./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ntdrivers-simplified/cdaudio_simpl1.cil-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ntdrivers-simplified/cdaudio_simpl1.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 602ea7c33e3d58a05b038901c89b84d09b02e08d ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ntdrivers-simplified/cdaudio_simpl1.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 602ea7c33e3d58a05b038901c89b84d09b02e08d .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 06:44:03,195 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 06:44:03,197 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 06:44:03,229 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 06:44:03,229 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 06:44:03,231 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 06:44:03,233 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 06:44:03,235 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 06:44:03,238 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 06:44:03,239 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 06:44:03,240 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 06:44:03,242 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 06:44:03,243 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 06:44:03,244 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 06:44:03,246 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 06:44:03,248 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 06:44:03,250 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 06:44:03,251 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 06:44:03,253 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 06:44:03,256 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 06:44:03,260 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 06:44:03,263 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 06:44:03,267 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 06:44:03,269 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 06:44:03,277 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 06:44:03,279 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 06:44:03,280 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 06:44:03,284 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 06:44:03,288 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 06:44:03,289 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 06:44:03,290 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 06:44:03,291 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 06:44:03,293 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 06:44:03,295 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 06:44:03,296 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 06:44:03,297 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 06:44:03,298 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 06:44:03,298 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 06:44:03,298 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 06:44:03,299 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 06:44:03,300 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 06:44:03,301 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2021-10-13 06:44:03,351 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 06:44:03,351 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 06:44:03,353 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 06:44:03,354 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 06:44:03,354 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 06:44:03,354 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 06:44:03,354 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-13 06:44:03,355 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 06:44:03,355 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 06:44:03,355 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-13 06:44:03,356 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-13 06:44:03,356 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 06:44:03,357 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-13 06:44:03,357 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-13 06:44:03,357 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-13 06:44:03,359 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 06:44:03,359 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 06:44:03,359 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 06:44:03,360 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 06:44:03,360 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 06:44:03,360 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 06:44:03,360 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 06:44:03,361 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 06:44:03,361 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-13 06:44:03,361 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-13 06:44:03,361 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-13 06:44:03,363 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 06:44:03,363 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 06:44:03,364 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 06:44:03,364 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 06:44:03,364 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 06:44:03,365 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 06:44:03,365 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 06:44:03,365 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 06:44:03,365 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 06:44:03,366 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-13 06:44:03,366 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 06:44:03,366 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 06:44:03,366 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 06:44:03,367 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 602ea7c33e3d58a05b038901c89b84d09b02e08d [2021-10-13 06:44:03,652 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 06:44:03,681 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 06:44:03,683 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 06:44:03,685 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 06:44:03,685 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 06:44:03,686 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/ntdrivers-simplified/cdaudio_simpl1.cil-1.c [2021-10-13 06:44:03,758 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/data/bc79b888e/a486d47a018945589852d19085346ee4/FLAG103570120 [2021-10-13 06:44:04,343 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 06:44:04,356 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/sv-benchmarks/c/ntdrivers-simplified/cdaudio_simpl1.cil-1.c [2021-10-13 06:44:04,399 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/data/bc79b888e/a486d47a018945589852d19085346ee4/FLAG103570120 [2021-10-13 06:44:04,569 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/data/bc79b888e/a486d47a018945589852d19085346ee4 [2021-10-13 06:44:04,571 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 06:44:04,572 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 06:44:04,575 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 06:44:04,576 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 06:44:04,580 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 06:44:04,581 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:44:04" (1/1) ... [2021-10-13 06:44:04,583 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e3acca2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:44:04, skipping insertion in model container [2021-10-13 06:44:04,583 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:44:04" (1/1) ... [2021-10-13 06:44:04,592 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 06:44:04,686 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 06:44:04,914 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/sv-benchmarks/c/ntdrivers-simplified/cdaudio_simpl1.cil-1.c[2074,2087] [2021-10-13 06:44:05,167 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 06:44:05,185 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 06:44:05,218 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/sv-benchmarks/c/ntdrivers-simplified/cdaudio_simpl1.cil-1.c[2074,2087] [2021-10-13 06:44:05,344 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 06:44:05,365 INFO L208 MainTranslator]: Completed translation [2021-10-13 06:44:05,366 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:44:05 WrapperNode [2021-10-13 06:44:05,366 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 06:44:05,367 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 06:44:05,367 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 06:44:05,367 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 06:44:05,376 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:44:05" (1/1) ... [2021-10-13 06:44:05,402 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:44:05" (1/1) ... [2021-10-13 06:44:05,572 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 06:44:05,573 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 06:44:05,573 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 06:44:05,573 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 06:44:05,582 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:44:05" (1/1) ... [2021-10-13 06:44:05,582 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:44:05" (1/1) ... [2021-10-13 06:44:05,626 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:44:05" (1/1) ... [2021-10-13 06:44:05,632 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:44:05" (1/1) ... [2021-10-13 06:44:05,684 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:44:05" (1/1) ... [2021-10-13 06:44:05,730 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:44:05" (1/1) ... [2021-10-13 06:44:05,747 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:44:05" (1/1) ... [2021-10-13 06:44:05,777 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 06:44:05,779 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 06:44:05,781 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 06:44:05,781 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 06:44:05,782 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:44:05" (1/1) ... [2021-10-13 06:44:05,789 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 06:44:05,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 06:44:05,817 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 06:44:05,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 06:44:05,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 06:44:05,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 06:44:05,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 06:44:05,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 06:44:06,180 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 06:44:06,186 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 06:44:06,196 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 06:44:06,200 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 06:44:06,211 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 06:44:06,214 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 06:44:06,219 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 06:44:06,232 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 06:44:06,235 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 06:44:06,237 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 06:44:06,238 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 06:44:06,243 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 06:44:06,246 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 06:44:06,249 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 06:44:06,253 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 06:44:06,255 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 06:44:06,257 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 06:44:06,259 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 06:44:06,261 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 06:44:06,265 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 06:44:06,266 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 06:44:06,268 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 06:44:06,271 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 06:44:06,273 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 06:44:06,274 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 06:44:06,277 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 06:44:06,322 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 06:44:06,324 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 06:44:06,326 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 06:44:06,331 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 06:44:06,334 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 06:44:06,337 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 06:44:06,339 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 06:44:06,340 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 06:44:06,342 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 06:44:06,344 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 06:44:06,345 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 06:44:06,349 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 06:44:06,351 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 06:44:06,354 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 06:44:06,355 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 06:44:06,357 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 06:44:06,360 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 06:44:08,343 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1271: assume false; [2021-10-13 06:44:08,344 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1272: assume !false; [2021-10-13 06:44:08,344 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##249: assume false; [2021-10-13 06:44:08,345 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##250: assume !false; [2021-10-13 06:44:08,345 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1230: assume !false; [2021-10-13 06:44:08,345 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##287: assume false; [2021-10-13 06:44:08,346 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##288: assume !false; [2021-10-13 06:44:08,346 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1229: assume false; [2021-10-13 06:44:08,346 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1210: assume false; [2021-10-13 06:44:08,346 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1211: assume !false; [2021-10-13 06:44:08,346 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##319: assume false; [2021-10-13 06:44:08,346 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##320: assume !false; [2021-10-13 06:44:08,347 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1160: assume !false; [2021-10-13 06:44:08,347 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1159: assume false; [2021-10-13 06:44:08,347 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##371: assume false; [2021-10-13 06:44:08,347 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##372: assume !false; [2021-10-13 06:44:08,347 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1108: assume false; [2021-10-13 06:44:08,347 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1109: assume !false; [2021-10-13 06:44:08,347 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##346: assume false; [2021-10-13 06:44:08,347 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##347: assume !false; [2021-10-13 06:44:08,348 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##416: assume false; [2021-10-13 06:44:08,348 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##417: assume !false; [2021-10-13 06:44:08,348 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1050: assume !false; [2021-10-13 06:44:08,348 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L305: CdAudioPnp_#res := 0; [2021-10-13 06:44:08,348 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1049: assume false; [2021-10-13 06:44:08,348 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1003: assume false; [2021-10-13 06:44:08,349 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1004: assume !false; [2021-10-13 06:44:08,349 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##461: assume !false; [2021-10-13 06:44:08,349 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##460: assume false; [2021-10-13 06:44:08,349 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##487: assume !false; [2021-10-13 06:44:08,349 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##486: assume false; [2021-10-13 06:44:08,349 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##526: assume !false; [2021-10-13 06:44:08,349 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##525: assume false; [2021-10-13 06:44:08,349 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##71: assume !false; [2021-10-13 06:44:08,350 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##70: assume false; [2021-10-13 06:44:08,350 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##47: assume !false; [2021-10-13 06:44:08,350 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##46: assume false; [2021-10-13 06:44:08,350 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##25: assume !false; [2021-10-13 06:44:08,350 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##24: assume false; [2021-10-13 06:44:08,351 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume !false; [2021-10-13 06:44:08,351 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume false; [2021-10-13 06:44:08,351 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##573: assume !false; [2021-10-13 06:44:08,351 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##572: assume false; [2021-10-13 06:44:08,351 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##685: assume !false; [2021-10-13 06:44:08,352 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##684: assume false; [2021-10-13 06:44:08,352 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##609: assume false; [2021-10-13 06:44:08,353 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##610: assume !false; [2021-10-13 06:44:08,353 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##639: assume !false; [2021-10-13 06:44:08,353 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##638: assume false; [2021-10-13 06:44:08,353 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1612: assume false; [2021-10-13 06:44:08,353 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1613: assume !false; [2021-10-13 06:44:08,353 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##757: assume !false; [2021-10-13 06:44:08,353 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##756: assume false; [2021-10-13 06:44:08,353 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##717: assume !false; [2021-10-13 06:44:08,354 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##716: assume false; [2021-10-13 06:44:08,354 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1506: assume false; [2021-10-13 06:44:08,354 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1507: assume !false; [2021-10-13 06:44:08,354 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1564: assume false; [2021-10-13 06:44:08,354 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1565: assume !false; [2021-10-13 06:44:08,355 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##856: assume false; [2021-10-13 06:44:08,355 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##857: assume !false; [2021-10-13 06:44:08,355 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##801: assume false; [2021-10-13 06:44:08,355 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##802: assume !false; [2021-10-13 06:44:08,356 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##832: assume !false; [2021-10-13 06:44:08,356 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##831: assume false; [2021-10-13 06:44:08,359 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1426: assume false; [2021-10-13 06:44:08,359 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1427: assume !false; [2021-10-13 06:44:08,359 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1476: assume false; [2021-10-13 06:44:08,359 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1477: assume !false; [2021-10-13 06:44:08,359 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1398: assume false; [2021-10-13 06:44:08,360 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1399: assume !false; [2021-10-13 06:44:08,360 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##961: assume !false; [2021-10-13 06:44:08,360 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##960: assume false; [2021-10-13 06:44:08,362 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##909: assume false; [2021-10-13 06:44:08,368 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##910: assume !false; [2021-10-13 06:44:08,368 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1301: assume false; [2021-10-13 06:44:08,368 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1302: assume !false; [2021-10-13 06:44:08,368 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##188: assume !false; [2021-10-13 06:44:08,368 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##187: assume false; [2021-10-13 06:44:08,368 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##148: assume false; [2021-10-13 06:44:08,368 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##149: assume !false; [2021-10-13 06:44:08,369 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1354: assume false; [2021-10-13 06:44:08,369 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1355: assume !false; [2021-10-13 06:44:08,369 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1341: assume false; [2021-10-13 06:44:08,369 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1342: assume !false; [2021-10-13 06:44:08,369 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##111: assume false; [2021-10-13 06:44:08,369 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##112: assume !false; [2021-10-13 06:44:10,947 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 06:44:10,948 INFO L299 CfgBuilder]: Removed 555 assume(true) statements. [2021-10-13 06:44:10,953 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:44:10 BoogieIcfgContainer [2021-10-13 06:44:10,953 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 06:44:10,955 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 06:44:10,955 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 06:44:10,959 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 06:44:10,960 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 06:44:04" (1/3) ... [2021-10-13 06:44:10,960 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38435bd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 06:44:10, skipping insertion in model container [2021-10-13 06:44:10,961 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:44:05" (2/3) ... [2021-10-13 06:44:10,961 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38435bd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 06:44:10, skipping insertion in model container [2021-10-13 06:44:10,961 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:44:10" (3/3) ... [2021-10-13 06:44:10,963 INFO L111 eAbstractionObserver]: Analyzing ICFG cdaudio_simpl1.cil-1.c [2021-10-13 06:44:10,974 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 06:44:10,974 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 104 error locations. [2021-10-13 06:44:11,029 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 06:44:11,039 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-13 06:44:11,039 INFO L340 AbstractCegarLoop]: Starting to check reachability of 104 error locations. [2021-10-13 06:44:11,074 INFO L276 IsEmpty]: Start isEmpty. Operand has 780 states, 675 states have (on average 1.7392592592592593) internal successors, (1174), 779 states have internal predecessors, (1174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:11,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-13 06:44:11,080 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:44:11,080 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-10-13 06:44:11,081 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr103ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-10-13 06:44:11,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:44:11,086 INFO L82 PathProgramCache]: Analyzing trace with hash 141332570, now seen corresponding path program 1 times [2021-10-13 06:44:11,095 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 06:44:11,096 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887502634] [2021-10-13 06:44:11,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:44:11,097 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 06:44:11,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:44:11,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:11,264 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 06:44:11,264 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887502634] [2021-10-13 06:44:11,265 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [887502634] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 06:44:11,265 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:44:11,266 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 06:44:11,267 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264333486] [2021-10-13 06:44:11,272 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 06:44:11,272 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 06:44:11,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 06:44:11,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 06:44:11,290 INFO L87 Difference]: Start difference. First operand has 780 states, 675 states have (on average 1.7392592592592593) internal successors, (1174), 779 states have internal predecessors, (1174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:11,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:44:11,383 INFO L93 Difference]: Finished difference Result 784 states and 1072 transitions. [2021-10-13 06:44:11,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 06:44:11,385 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2021-10-13 06:44:11,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:44:11,408 INFO L225 Difference]: With dead ends: 784 [2021-10-13 06:44:11,409 INFO L226 Difference]: Without dead ends: 782 [2021-10-13 06:44:11,410 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 06:44:11,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 782 states. [2021-10-13 06:44:11,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 782 to 779. [2021-10-13 06:44:11,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 779 states, 675 states have (on average 1.5822222222222222) internal successors, (1068), 778 states have internal predecessors, (1068), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:11,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 779 states to 779 states and 1068 transitions. [2021-10-13 06:44:11,525 INFO L78 Accepts]: Start accepts. Automaton has 779 states and 1068 transitions. Word has length 4 [2021-10-13 06:44:11,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:44:11,526 INFO L470 AbstractCegarLoop]: Abstraction has 779 states and 1068 transitions. [2021-10-13 06:44:11,526 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:11,526 INFO L276 IsEmpty]: Start isEmpty. Operand 779 states and 1068 transitions. [2021-10-13 06:44:11,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-13 06:44:11,527 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:44:11,527 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-10-13 06:44:11,527 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-13 06:44:11,528 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr103ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-10-13 06:44:11,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:44:11,528 INFO L82 PathProgramCache]: Analyzing trace with hash -1833987899, now seen corresponding path program 1 times [2021-10-13 06:44:11,528 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 06:44:11,529 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495204863] [2021-10-13 06:44:11,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:44:11,529 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 06:44:11,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:44:11,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:11,585 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 06:44:11,585 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495204863] [2021-10-13 06:44:11,585 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [495204863] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 06:44:11,586 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:44:11,586 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 06:44:11,586 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944939398] [2021-10-13 06:44:11,587 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 06:44:11,587 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 06:44:11,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 06:44:11,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 06:44:11,589 INFO L87 Difference]: Start difference. First operand 779 states and 1068 transitions. Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:11,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:44:11,660 INFO L93 Difference]: Finished difference Result 984 states and 1332 transitions. [2021-10-13 06:44:11,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 06:44:11,661 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2021-10-13 06:44:11,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:44:11,667 INFO L225 Difference]: With dead ends: 984 [2021-10-13 06:44:11,667 INFO L226 Difference]: Without dead ends: 984 [2021-10-13 06:44:11,668 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 06:44:11,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 984 states. [2021-10-13 06:44:11,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 984 to 914. [2021-10-13 06:44:11,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 914 states, 822 states have (on average 1.5717761557177616) internal successors, (1292), 913 states have internal predecessors, (1292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:11,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 914 states to 914 states and 1292 transitions. [2021-10-13 06:44:11,709 INFO L78 Accepts]: Start accepts. Automaton has 914 states and 1292 transitions. Word has length 6 [2021-10-13 06:44:11,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:44:11,709 INFO L470 AbstractCegarLoop]: Abstraction has 914 states and 1292 transitions. [2021-10-13 06:44:11,709 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:11,710 INFO L276 IsEmpty]: Start isEmpty. Operand 914 states and 1292 transitions. [2021-10-13 06:44:11,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-13 06:44:11,710 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:44:11,711 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:44:11,711 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-13 06:44:11,712 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr103ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-10-13 06:44:11,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:44:11,716 INFO L82 PathProgramCache]: Analyzing trace with hash 1239318394, now seen corresponding path program 1 times [2021-10-13 06:44:11,716 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 06:44:11,717 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719213197] [2021-10-13 06:44:11,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:44:11,718 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 06:44:11,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:44:11,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:11,813 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 06:44:11,814 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719213197] [2021-10-13 06:44:11,815 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [719213197] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 06:44:11,815 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:44:11,815 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-10-13 06:44:11,816 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114501503] [2021-10-13 06:44:11,816 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 06:44:11,816 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 06:44:11,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 06:44:11,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 06:44:11,819 INFO L87 Difference]: Start difference. First operand 914 states and 1292 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:11,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:44:11,832 INFO L93 Difference]: Finished difference Result 913 states and 1291 transitions. [2021-10-13 06:44:11,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 06:44:11,832 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2021-10-13 06:44:11,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:44:11,838 INFO L225 Difference]: With dead ends: 913 [2021-10-13 06:44:11,838 INFO L226 Difference]: Without dead ends: 911 [2021-10-13 06:44:11,839 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 06:44:11,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 911 states. [2021-10-13 06:44:11,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 911 to 911. [2021-10-13 06:44:11,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 911 states, 820 states have (on average 1.5609756097560976) internal successors, (1280), 910 states have internal predecessors, (1280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:11,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 911 states to 911 states and 1280 transitions. [2021-10-13 06:44:11,866 INFO L78 Accepts]: Start accepts. Automaton has 911 states and 1280 transitions. Word has length 7 [2021-10-13 06:44:11,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:44:11,866 INFO L470 AbstractCegarLoop]: Abstraction has 911 states and 1280 transitions. [2021-10-13 06:44:11,866 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:11,867 INFO L276 IsEmpty]: Start isEmpty. Operand 911 states and 1280 transitions. [2021-10-13 06:44:11,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-13 06:44:11,868 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:44:11,868 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:44:11,868 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-13 06:44:11,869 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-10-13 06:44:11,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:44:11,869 INFO L82 PathProgramCache]: Analyzing trace with hash -98879247, now seen corresponding path program 1 times [2021-10-13 06:44:11,870 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 06:44:11,870 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642752974] [2021-10-13 06:44:11,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:44:11,870 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 06:44:11,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:44:11,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:11,948 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 06:44:11,949 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642752974] [2021-10-13 06:44:11,949 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1642752974] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 06:44:11,950 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:44:11,950 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 06:44:11,950 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732754876] [2021-10-13 06:44:11,950 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 06:44:11,951 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 06:44:11,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 06:44:11,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 06:44:11,952 INFO L87 Difference]: Start difference. First operand 911 states and 1280 transitions. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:12,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:44:12,443 INFO L93 Difference]: Finished difference Result 901 states and 1290 transitions. [2021-10-13 06:44:12,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 06:44:12,444 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-10-13 06:44:12,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:44:12,449 INFO L225 Difference]: With dead ends: 901 [2021-10-13 06:44:12,449 INFO L226 Difference]: Without dead ends: 901 [2021-10-13 06:44:12,449 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 06:44:12,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 901 states. [2021-10-13 06:44:12,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 901 to 899. [2021-10-13 06:44:12,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 899 states, 844 states have (on average 1.5272511848341233) internal successors, (1289), 898 states have internal predecessors, (1289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:12,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 899 states to 899 states and 1289 transitions. [2021-10-13 06:44:12,473 INFO L78 Accepts]: Start accepts. Automaton has 899 states and 1289 transitions. Word has length 8 [2021-10-13 06:44:12,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:44:12,473 INFO L470 AbstractCegarLoop]: Abstraction has 899 states and 1289 transitions. [2021-10-13 06:44:12,473 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:12,474 INFO L276 IsEmpty]: Start isEmpty. Operand 899 states and 1289 transitions. [2021-10-13 06:44:12,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-13 06:44:12,475 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:44:12,475 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:44:12,475 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-13 06:44:12,475 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-10-13 06:44:12,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:44:12,476 INFO L82 PathProgramCache]: Analyzing trace with hash 1229719949, now seen corresponding path program 1 times [2021-10-13 06:44:12,476 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 06:44:12,476 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705997000] [2021-10-13 06:44:12,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:44:12,477 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 06:44:12,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:44:12,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:12,517 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 06:44:12,517 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705997000] [2021-10-13 06:44:12,518 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [705997000] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 06:44:12,518 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:44:12,518 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 06:44:12,518 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704938629] [2021-10-13 06:44:12,518 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 06:44:12,519 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 06:44:12,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 06:44:12,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 06:44:12,520 INFO L87 Difference]: Start difference. First operand 899 states and 1289 transitions. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:12,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:44:12,559 INFO L93 Difference]: Finished difference Result 828 states and 1169 transitions. [2021-10-13 06:44:12,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 06:44:12,560 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-10-13 06:44:12,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:44:12,565 INFO L225 Difference]: With dead ends: 828 [2021-10-13 06:44:12,565 INFO L226 Difference]: Without dead ends: 828 [2021-10-13 06:44:12,565 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 06:44:12,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 828 states. [2021-10-13 06:44:12,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 828 to 728. [2021-10-13 06:44:12,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 728 states, 685 states have (on average 1.513868613138686) internal successors, (1037), 727 states have internal predecessors, (1037), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:12,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 728 states to 728 states and 1037 transitions. [2021-10-13 06:44:12,586 INFO L78 Accepts]: Start accepts. Automaton has 728 states and 1037 transitions. Word has length 9 [2021-10-13 06:44:12,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:44:12,586 INFO L470 AbstractCegarLoop]: Abstraction has 728 states and 1037 transitions. [2021-10-13 06:44:12,586 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:12,586 INFO L276 IsEmpty]: Start isEmpty. Operand 728 states and 1037 transitions. [2021-10-13 06:44:12,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-13 06:44:12,588 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:44:12,588 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:44:12,588 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-13 06:44:12,588 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr99ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-10-13 06:44:12,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:44:12,589 INFO L82 PathProgramCache]: Analyzing trace with hash -420517100, now seen corresponding path program 1 times [2021-10-13 06:44:12,589 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 06:44:12,589 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955761621] [2021-10-13 06:44:12,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:44:12,590 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 06:44:12,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:44:12,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:12,612 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 06:44:12,612 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955761621] [2021-10-13 06:44:12,612 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [955761621] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 06:44:12,612 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:44:12,613 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 06:44:12,613 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684155284] [2021-10-13 06:44:12,613 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 06:44:12,613 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 06:44:12,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 06:44:12,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 06:44:12,614 INFO L87 Difference]: Start difference. First operand 728 states and 1037 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:12,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:44:12,871 INFO L93 Difference]: Finished difference Result 731 states and 1039 transitions. [2021-10-13 06:44:12,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 06:44:12,872 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-10-13 06:44:12,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:44:12,876 INFO L225 Difference]: With dead ends: 731 [2021-10-13 06:44:12,876 INFO L226 Difference]: Without dead ends: 728 [2021-10-13 06:44:12,877 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 06:44:12,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 728 states. [2021-10-13 06:44:12,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 728 to 728. [2021-10-13 06:44:12,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 728 states, 685 states have (on average 1.5124087591240876) internal successors, (1036), 727 states have internal predecessors, (1036), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:12,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 728 states to 728 states and 1036 transitions. [2021-10-13 06:44:12,895 INFO L78 Accepts]: Start accepts. Automaton has 728 states and 1036 transitions. Word has length 10 [2021-10-13 06:44:12,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:44:12,896 INFO L470 AbstractCegarLoop]: Abstraction has 728 states and 1036 transitions. [2021-10-13 06:44:12,896 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:12,896 INFO L276 IsEmpty]: Start isEmpty. Operand 728 states and 1036 transitions. [2021-10-13 06:44:12,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-13 06:44:12,897 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:44:12,898 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:44:12,898 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-13 06:44:12,898 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-10-13 06:44:12,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:44:12,898 INFO L82 PathProgramCache]: Analyzing trace with hash 799963787, now seen corresponding path program 1 times [2021-10-13 06:44:12,899 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 06:44:12,899 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509918004] [2021-10-13 06:44:12,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:44:12,899 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 06:44:12,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:44:12,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:12,939 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 06:44:12,939 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [509918004] [2021-10-13 06:44:12,939 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [509918004] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 06:44:12,939 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:44:12,939 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 06:44:12,940 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312338729] [2021-10-13 06:44:12,940 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 06:44:12,940 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 06:44:12,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 06:44:12,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 06:44:12,941 INFO L87 Difference]: Start difference. First operand 728 states and 1036 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:13,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:44:13,295 INFO L93 Difference]: Finished difference Result 1016 states and 1420 transitions. [2021-10-13 06:44:13,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 06:44:13,295 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-10-13 06:44:13,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:44:13,301 INFO L225 Difference]: With dead ends: 1016 [2021-10-13 06:44:13,302 INFO L226 Difference]: Without dead ends: 1016 [2021-10-13 06:44:13,302 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 06:44:13,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1016 states. [2021-10-13 06:44:13,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1016 to 870. [2021-10-13 06:44:13,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 870 states, 827 states have (on average 1.5114873035066505) internal successors, (1250), 869 states have internal predecessors, (1250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:13,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 870 states to 870 states and 1250 transitions. [2021-10-13 06:44:13,326 INFO L78 Accepts]: Start accepts. Automaton has 870 states and 1250 transitions. Word has length 12 [2021-10-13 06:44:13,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:44:13,327 INFO L470 AbstractCegarLoop]: Abstraction has 870 states and 1250 transitions. [2021-10-13 06:44:13,327 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:13,327 INFO L276 IsEmpty]: Start isEmpty. Operand 870 states and 1250 transitions. [2021-10-13 06:44:13,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-13 06:44:13,328 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:44:13,328 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:44:13,329 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-13 06:44:13,329 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-10-13 06:44:13,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:44:13,329 INFO L82 PathProgramCache]: Analyzing trace with hash -978581787, now seen corresponding path program 1 times [2021-10-13 06:44:13,330 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 06:44:13,330 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944227428] [2021-10-13 06:44:13,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:44:13,330 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 06:44:13,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:44:13,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:13,374 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 06:44:13,374 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944227428] [2021-10-13 06:44:13,374 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [944227428] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 06:44:13,375 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:44:13,375 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 06:44:13,375 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658285932] [2021-10-13 06:44:13,375 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 06:44:13,376 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 06:44:13,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 06:44:13,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-13 06:44:13,376 INFO L87 Difference]: Start difference. First operand 870 states and 1250 transitions. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:13,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:44:13,682 INFO L93 Difference]: Finished difference Result 754 states and 1060 transitions. [2021-10-13 06:44:13,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 06:44:13,683 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-10-13 06:44:13,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:44:13,687 INFO L225 Difference]: With dead ends: 754 [2021-10-13 06:44:13,687 INFO L226 Difference]: Without dead ends: 754 [2021-10-13 06:44:13,687 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.9ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-13 06:44:13,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 754 states. [2021-10-13 06:44:13,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 754 to 696. [2021-10-13 06:44:13,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 696 states, 675 states have (on average 1.442962962962963) internal successors, (974), 695 states have internal predecessors, (974), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:13,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 696 states to 696 states and 974 transitions. [2021-10-13 06:44:13,704 INFO L78 Accepts]: Start accepts. Automaton has 696 states and 974 transitions. Word has length 13 [2021-10-13 06:44:13,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:44:13,705 INFO L470 AbstractCegarLoop]: Abstraction has 696 states and 974 transitions. [2021-10-13 06:44:13,705 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:13,705 INFO L276 IsEmpty]: Start isEmpty. Operand 696 states and 974 transitions. [2021-10-13 06:44:13,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-13 06:44:13,706 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:44:13,706 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:44:13,707 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-13 06:44:13,707 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr98ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-10-13 06:44:13,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:44:13,708 INFO L82 PathProgramCache]: Analyzing trace with hash -955846767, now seen corresponding path program 1 times [2021-10-13 06:44:13,708 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 06:44:13,708 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911464537] [2021-10-13 06:44:13,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:44:13,708 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 06:44:13,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:44:13,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:13,737 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 06:44:13,738 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911464537] [2021-10-13 06:44:13,738 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1911464537] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 06:44:13,738 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:44:13,738 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 06:44:13,738 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109458355] [2021-10-13 06:44:13,739 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 06:44:13,739 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 06:44:13,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 06:44:13,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 06:44:13,740 INFO L87 Difference]: Start difference. First operand 696 states and 974 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:13,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:44:13,974 INFO L93 Difference]: Finished difference Result 678 states and 956 transitions. [2021-10-13 06:44:13,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 06:44:13,975 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2021-10-13 06:44:13,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:44:13,978 INFO L225 Difference]: With dead ends: 678 [2021-10-13 06:44:13,979 INFO L226 Difference]: Without dead ends: 678 [2021-10-13 06:44:13,979 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 06:44:13,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 678 states. [2021-10-13 06:44:13,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 678 to 678. [2021-10-13 06:44:13,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 678 states, 666 states have (on average 1.4354354354354355) internal successors, (956), 677 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:13,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 678 states and 956 transitions. [2021-10-13 06:44:13,995 INFO L78 Accepts]: Start accepts. Automaton has 678 states and 956 transitions. Word has length 14 [2021-10-13 06:44:13,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:44:13,996 INFO L470 AbstractCegarLoop]: Abstraction has 678 states and 956 transitions. [2021-10-13 06:44:13,996 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:13,996 INFO L276 IsEmpty]: Start isEmpty. Operand 678 states and 956 transitions. [2021-10-13 06:44:13,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-13 06:44:13,997 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:44:13,998 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:44:13,998 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-13 06:44:13,998 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-10-13 06:44:13,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:44:13,998 INFO L82 PathProgramCache]: Analyzing trace with hash -72477361, now seen corresponding path program 1 times [2021-10-13 06:44:13,999 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 06:44:14,000 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811610595] [2021-10-13 06:44:14,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:44:14,000 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 06:44:14,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:44:14,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:14,052 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 06:44:14,052 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811610595] [2021-10-13 06:44:14,052 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [811610595] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 06:44:14,052 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:44:14,052 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 06:44:14,053 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463431866] [2021-10-13 06:44:14,053 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 06:44:14,053 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 06:44:14,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 06:44:14,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 06:44:14,054 INFO L87 Difference]: Start difference. First operand 678 states and 956 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:14,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:44:14,253 INFO L93 Difference]: Finished difference Result 666 states and 935 transitions. [2021-10-13 06:44:14,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 06:44:14,254 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-10-13 06:44:14,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:44:14,258 INFO L225 Difference]: With dead ends: 666 [2021-10-13 06:44:14,259 INFO L226 Difference]: Without dead ends: 666 [2021-10-13 06:44:14,259 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 06:44:14,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 666 states. [2021-10-13 06:44:14,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 666 to 666. [2021-10-13 06:44:14,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 666 states, 657 states have (on average 1.4231354642313547) internal successors, (935), 665 states have internal predecessors, (935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:14,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 666 states to 666 states and 935 transitions. [2021-10-13 06:44:14,275 INFO L78 Accepts]: Start accepts. Automaton has 666 states and 935 transitions. Word has length 19 [2021-10-13 06:44:14,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:44:14,276 INFO L470 AbstractCegarLoop]: Abstraction has 666 states and 935 transitions. [2021-10-13 06:44:14,276 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:14,276 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 935 transitions. [2021-10-13 06:44:14,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-13 06:44:14,278 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:44:14,278 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:44:14,278 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-13 06:44:14,279 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-10-13 06:44:14,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:44:14,279 INFO L82 PathProgramCache]: Analyzing trace with hash 1499767541, now seen corresponding path program 1 times [2021-10-13 06:44:14,279 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 06:44:14,280 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087633718] [2021-10-13 06:44:14,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:44:14,280 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 06:44:14,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:44:14,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:14,319 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 06:44:14,319 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087633718] [2021-10-13 06:44:14,320 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2087633718] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 06:44:14,320 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:44:14,320 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 06:44:14,320 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378989607] [2021-10-13 06:44:14,321 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 06:44:14,321 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 06:44:14,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 06:44:14,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 06:44:14,322 INFO L87 Difference]: Start difference. First operand 666 states and 935 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:14,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:44:14,353 INFO L93 Difference]: Finished difference Result 687 states and 954 transitions. [2021-10-13 06:44:14,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 06:44:14,354 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-10-13 06:44:14,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:44:14,358 INFO L225 Difference]: With dead ends: 687 [2021-10-13 06:44:14,359 INFO L226 Difference]: Without dead ends: 687 [2021-10-13 06:44:14,359 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 06:44:14,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 687 states. [2021-10-13 06:44:14,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 687 to 666. [2021-10-13 06:44:14,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 666 states, 657 states have (on average 1.4185692541856925) internal successors, (932), 665 states have internal predecessors, (932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:14,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 666 states to 666 states and 932 transitions. [2021-10-13 06:44:14,375 INFO L78 Accepts]: Start accepts. Automaton has 666 states and 932 transitions. Word has length 19 [2021-10-13 06:44:14,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:44:14,376 INFO L470 AbstractCegarLoop]: Abstraction has 666 states and 932 transitions. [2021-10-13 06:44:14,376 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:14,376 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 932 transitions. [2021-10-13 06:44:14,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-13 06:44:14,378 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:44:14,378 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:44:14,378 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-13 06:44:14,379 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr99ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-10-13 06:44:14,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:44:14,380 INFO L82 PathProgramCache]: Analyzing trace with hash -869704822, now seen corresponding path program 1 times [2021-10-13 06:44:14,380 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 06:44:14,381 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575436461] [2021-10-13 06:44:14,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:44:14,381 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 06:44:14,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:44:14,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:14,417 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 06:44:14,417 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575436461] [2021-10-13 06:44:14,422 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1575436461] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 06:44:14,422 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:44:14,422 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 06:44:14,423 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982727600] [2021-10-13 06:44:14,423 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 06:44:14,423 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 06:44:14,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 06:44:14,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 06:44:14,424 INFO L87 Difference]: Start difference. First operand 666 states and 932 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:14,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:44:14,602 INFO L93 Difference]: Finished difference Result 831 states and 1163 transitions. [2021-10-13 06:44:14,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 06:44:14,603 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2021-10-13 06:44:14,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:44:14,608 INFO L225 Difference]: With dead ends: 831 [2021-10-13 06:44:14,608 INFO L226 Difference]: Without dead ends: 831 [2021-10-13 06:44:14,608 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 06:44:14,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 831 states. [2021-10-13 06:44:14,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 831 to 701. [2021-10-13 06:44:14,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 701 states, 692 states have (on average 1.403179190751445) internal successors, (971), 700 states have internal predecessors, (971), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:14,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 701 states to 701 states and 971 transitions. [2021-10-13 06:44:14,626 INFO L78 Accepts]: Start accepts. Automaton has 701 states and 971 transitions. Word has length 21 [2021-10-13 06:44:14,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:44:14,627 INFO L470 AbstractCegarLoop]: Abstraction has 701 states and 971 transitions. [2021-10-13 06:44:14,627 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:14,627 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 971 transitions. [2021-10-13 06:44:14,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-13 06:44:14,629 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:44:14,629 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:44:14,629 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-13 06:44:14,630 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr99ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-10-13 06:44:14,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:44:14,630 INFO L82 PathProgramCache]: Analyzing trace with hash -813682924, now seen corresponding path program 1 times [2021-10-13 06:44:14,630 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 06:44:14,631 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404724436] [2021-10-13 06:44:14,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:44:14,631 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 06:44:14,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:44:14,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:14,672 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 06:44:14,672 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404724436] [2021-10-13 06:44:14,672 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1404724436] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 06:44:14,673 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:44:14,673 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 06:44:14,673 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362687829] [2021-10-13 06:44:14,673 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 06:44:14,674 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 06:44:14,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 06:44:14,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 06:44:14,675 INFO L87 Difference]: Start difference. First operand 701 states and 971 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:14,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:44:14,840 INFO L93 Difference]: Finished difference Result 730 states and 1006 transitions. [2021-10-13 06:44:14,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 06:44:14,841 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-10-13 06:44:14,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:44:14,847 INFO L225 Difference]: With dead ends: 730 [2021-10-13 06:44:14,847 INFO L226 Difference]: Without dead ends: 730 [2021-10-13 06:44:14,847 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 06:44:14,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 730 states. [2021-10-13 06:44:14,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 730 to 727. [2021-10-13 06:44:14,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 727 states, 718 states have (on average 1.3983286908077994) internal successors, (1004), 726 states have internal predecessors, (1004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:14,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 727 states to 727 states and 1004 transitions. [2021-10-13 06:44:14,864 INFO L78 Accepts]: Start accepts. Automaton has 727 states and 1004 transitions. Word has length 22 [2021-10-13 06:44:14,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:44:14,864 INFO L470 AbstractCegarLoop]: Abstraction has 727 states and 1004 transitions. [2021-10-13 06:44:14,865 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:14,865 INFO L276 IsEmpty]: Start isEmpty. Operand 727 states and 1004 transitions. [2021-10-13 06:44:14,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-13 06:44:14,866 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:44:14,867 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:44:14,867 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-13 06:44:14,867 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-10-13 06:44:14,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:44:14,868 INFO L82 PathProgramCache]: Analyzing trace with hash -2098008752, now seen corresponding path program 1 times [2021-10-13 06:44:14,868 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 06:44:14,868 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549696199] [2021-10-13 06:44:14,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:44:14,868 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 06:44:14,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:44:14,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:14,909 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 06:44:14,910 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549696199] [2021-10-13 06:44:14,910 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [549696199] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 06:44:14,910 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:44:14,910 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 06:44:14,910 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293119817] [2021-10-13 06:44:14,911 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 06:44:14,911 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 06:44:14,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 06:44:14,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 06:44:14,912 INFO L87 Difference]: Start difference. First operand 727 states and 1004 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:14,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:44:14,932 INFO L93 Difference]: Finished difference Result 695 states and 947 transitions. [2021-10-13 06:44:14,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 06:44:14,933 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-10-13 06:44:14,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:44:14,937 INFO L225 Difference]: With dead ends: 695 [2021-10-13 06:44:14,937 INFO L226 Difference]: Without dead ends: 695 [2021-10-13 06:44:14,938 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 06:44:14,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 695 states. [2021-10-13 06:44:14,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 695 to 695. [2021-10-13 06:44:14,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 695 states, 687 states have (on average 1.3784570596797672) internal successors, (947), 694 states have internal predecessors, (947), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:14,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 695 states and 947 transitions. [2021-10-13 06:44:14,955 INFO L78 Accepts]: Start accepts. Automaton has 695 states and 947 transitions. Word has length 22 [2021-10-13 06:44:14,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:44:14,956 INFO L470 AbstractCegarLoop]: Abstraction has 695 states and 947 transitions. [2021-10-13 06:44:14,956 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:14,956 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 947 transitions. [2021-10-13 06:44:14,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-13 06:44:14,959 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:44:14,959 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:44:14,959 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-10-13 06:44:14,959 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-10-13 06:44:14,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:44:14,960 INFO L82 PathProgramCache]: Analyzing trace with hash -130838756, now seen corresponding path program 1 times [2021-10-13 06:44:14,960 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 06:44:14,960 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850955174] [2021-10-13 06:44:14,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:44:14,961 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 06:44:14,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:44:15,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:15,007 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 06:44:15,007 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850955174] [2021-10-13 06:44:15,007 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1850955174] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 06:44:15,007 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:44:15,008 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-13 06:44:15,008 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913544800] [2021-10-13 06:44:15,008 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 06:44:15,008 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 06:44:15,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 06:44:15,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-13 06:44:15,009 INFO L87 Difference]: Start difference. First operand 695 states and 947 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:15,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:44:15,048 INFO L93 Difference]: Finished difference Result 638 states and 855 transitions. [2021-10-13 06:44:15,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 06:44:15,048 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-10-13 06:44:15,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:44:15,052 INFO L225 Difference]: With dead ends: 638 [2021-10-13 06:44:15,052 INFO L226 Difference]: Without dead ends: 638 [2021-10-13 06:44:15,054 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.6ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-13 06:44:15,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 638 states. [2021-10-13 06:44:15,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 638 to 588. [2021-10-13 06:44:15,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 588 states, 582 states have (on average 1.3642611683848798) internal successors, (794), 587 states have internal predecessors, (794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:15,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 588 states and 794 transitions. [2021-10-13 06:44:15,067 INFO L78 Accepts]: Start accepts. Automaton has 588 states and 794 transitions. Word has length 22 [2021-10-13 06:44:15,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:44:15,068 INFO L470 AbstractCegarLoop]: Abstraction has 588 states and 794 transitions. [2021-10-13 06:44:15,068 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:15,068 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 794 transitions. [2021-10-13 06:44:15,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-13 06:44:15,071 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:44:15,071 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:44:15,071 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-10-13 06:44:15,071 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr101ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-10-13 06:44:15,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:44:15,072 INFO L82 PathProgramCache]: Analyzing trace with hash -1173821042, now seen corresponding path program 1 times [2021-10-13 06:44:15,072 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 06:44:15,074 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391715487] [2021-10-13 06:44:15,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:44:15,075 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 06:44:15,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:44:15,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:15,119 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 06:44:15,119 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391715487] [2021-10-13 06:44:15,121 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [391715487] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 06:44:15,122 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:44:15,122 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 06:44:15,122 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261760547] [2021-10-13 06:44:15,122 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 06:44:15,123 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 06:44:15,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 06:44:15,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-13 06:44:15,124 INFO L87 Difference]: Start difference. First operand 588 states and 794 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:15,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:44:15,386 INFO L93 Difference]: Finished difference Result 641 states and 857 transitions. [2021-10-13 06:44:15,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 06:44:15,387 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-10-13 06:44:15,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:44:15,391 INFO L225 Difference]: With dead ends: 641 [2021-10-13 06:44:15,391 INFO L226 Difference]: Without dead ends: 641 [2021-10-13 06:44:15,391 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.6ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-13 06:44:15,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 641 states. [2021-10-13 06:44:15,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 641 to 588. [2021-10-13 06:44:15,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 588 states, 582 states have (on average 1.3608247422680413) internal successors, (792), 587 states have internal predecessors, (792), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:15,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 588 states and 792 transitions. [2021-10-13 06:44:15,408 INFO L78 Accepts]: Start accepts. Automaton has 588 states and 792 transitions. Word has length 22 [2021-10-13 06:44:15,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:44:15,409 INFO L470 AbstractCegarLoop]: Abstraction has 588 states and 792 transitions. [2021-10-13 06:44:15,409 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:15,409 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 792 transitions. [2021-10-13 06:44:15,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-13 06:44:15,412 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:44:15,412 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:44:15,412 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-10-13 06:44:15,413 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr99ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-10-13 06:44:15,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:44:15,413 INFO L82 PathProgramCache]: Analyzing trace with hash 367677154, now seen corresponding path program 1 times [2021-10-13 06:44:15,413 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 06:44:15,414 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671477525] [2021-10-13 06:44:15,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:44:15,414 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 06:44:15,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:44:15,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:15,463 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 06:44:15,463 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671477525] [2021-10-13 06:44:15,464 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1671477525] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 06:44:15,464 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:44:15,464 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 06:44:15,464 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466306395] [2021-10-13 06:44:15,465 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 06:44:15,465 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 06:44:15,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 06:44:15,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-13 06:44:15,466 INFO L87 Difference]: Start difference. First operand 588 states and 792 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:15,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:44:15,701 INFO L93 Difference]: Finished difference Result 588 states and 783 transitions. [2021-10-13 06:44:15,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 06:44:15,702 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-10-13 06:44:15,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:44:15,705 INFO L225 Difference]: With dead ends: 588 [2021-10-13 06:44:15,706 INFO L226 Difference]: Without dead ends: 588 [2021-10-13 06:44:15,706 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.5ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-13 06:44:15,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 588 states. [2021-10-13 06:44:15,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 588 to 588. [2021-10-13 06:44:15,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 588 states, 582 states have (on average 1.3453608247422681) internal successors, (783), 587 states have internal predecessors, (783), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:15,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 588 states and 783 transitions. [2021-10-13 06:44:15,720 INFO L78 Accepts]: Start accepts. Automaton has 588 states and 783 transitions. Word has length 22 [2021-10-13 06:44:15,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:44:15,721 INFO L470 AbstractCegarLoop]: Abstraction has 588 states and 783 transitions. [2021-10-13 06:44:15,721 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:15,721 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 783 transitions. [2021-10-13 06:44:15,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-13 06:44:15,722 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:44:15,723 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:44:15,723 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-10-13 06:44:15,723 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-10-13 06:44:15,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:44:15,723 INFO L82 PathProgramCache]: Analyzing trace with hash 562845880, now seen corresponding path program 1 times [2021-10-13 06:44:15,724 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 06:44:15,724 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901695852] [2021-10-13 06:44:15,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:44:15,724 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 06:44:15,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:44:15,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:15,766 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 06:44:15,766 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901695852] [2021-10-13 06:44:15,766 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1901695852] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 06:44:15,766 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:44:15,766 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 06:44:15,766 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327317884] [2021-10-13 06:44:15,767 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 06:44:15,767 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 06:44:15,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 06:44:15,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-13 06:44:15,768 INFO L87 Difference]: Start difference. First operand 588 states and 783 transitions. Second operand has 4 states, 4 states have (on average 5.75) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:15,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:44:15,995 INFO L93 Difference]: Finished difference Result 591 states and 784 transitions. [2021-10-13 06:44:15,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 06:44:15,995 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2021-10-13 06:44:15,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:44:15,999 INFO L225 Difference]: With dead ends: 591 [2021-10-13 06:44:15,999 INFO L226 Difference]: Without dead ends: 591 [2021-10-13 06:44:15,999 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.4ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-13 06:44:16,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 591 states. [2021-10-13 06:44:16,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 591 to 588. [2021-10-13 06:44:16,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 588 states, 582 states have (on average 1.3436426116838487) internal successors, (782), 587 states have internal predecessors, (782), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:16,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 588 states and 782 transitions. [2021-10-13 06:44:16,014 INFO L78 Accepts]: Start accepts. Automaton has 588 states and 782 transitions. Word has length 23 [2021-10-13 06:44:16,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:44:16,014 INFO L470 AbstractCegarLoop]: Abstraction has 588 states and 782 transitions. [2021-10-13 06:44:16,014 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:16,014 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 782 transitions. [2021-10-13 06:44:16,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-13 06:44:16,016 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:44:16,016 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:44:16,016 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-10-13 06:44:16,017 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr101ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-10-13 06:44:16,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:44:16,017 INFO L82 PathProgramCache]: Analyzing trace with hash 1744018661, now seen corresponding path program 1 times [2021-10-13 06:44:16,017 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 06:44:16,017 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000062483] [2021-10-13 06:44:16,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:44:16,018 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 06:44:16,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:44:16,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:16,052 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 06:44:16,052 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000062483] [2021-10-13 06:44:16,052 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2000062483] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 06:44:16,053 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:44:16,053 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 06:44:16,053 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029897830] [2021-10-13 06:44:16,053 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 06:44:16,053 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 06:44:16,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 06:44:16,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-13 06:44:16,054 INFO L87 Difference]: Start difference. First operand 588 states and 782 transitions. Second operand has 4 states, 4 states have (on average 5.75) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:16,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:44:16,285 INFO L93 Difference]: Finished difference Result 575 states and 760 transitions. [2021-10-13 06:44:16,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 06:44:16,286 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2021-10-13 06:44:16,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:44:16,289 INFO L225 Difference]: With dead ends: 575 [2021-10-13 06:44:16,289 INFO L226 Difference]: Without dead ends: 575 [2021-10-13 06:44:16,290 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.1ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-13 06:44:16,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 575 states. [2021-10-13 06:44:16,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 575 to 575. [2021-10-13 06:44:16,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 575 states, 569 states have (on average 1.3356766256590509) internal successors, (760), 574 states have internal predecessors, (760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:16,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 575 states and 760 transitions. [2021-10-13 06:44:16,304 INFO L78 Accepts]: Start accepts. Automaton has 575 states and 760 transitions. Word has length 23 [2021-10-13 06:44:16,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:44:16,304 INFO L470 AbstractCegarLoop]: Abstraction has 575 states and 760 transitions. [2021-10-13 06:44:16,304 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:16,305 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 760 transitions. [2021-10-13 06:44:16,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-13 06:44:16,306 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:44:16,306 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:44:16,307 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-10-13 06:44:16,307 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr99ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-10-13 06:44:16,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:44:16,307 INFO L82 PathProgramCache]: Analyzing trace with hash 1355107055, now seen corresponding path program 1 times [2021-10-13 06:44:16,308 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 06:44:16,308 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372887920] [2021-10-13 06:44:16,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:44:16,308 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 06:44:16,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:44:16,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:16,345 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 06:44:16,345 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372887920] [2021-10-13 06:44:16,346 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1372887920] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 06:44:16,346 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:44:16,346 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 06:44:16,346 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638337785] [2021-10-13 06:44:16,347 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 06:44:16,347 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 06:44:16,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 06:44:16,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 06:44:16,348 INFO L87 Difference]: Start difference. First operand 575 states and 760 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:16,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:44:16,508 INFO L93 Difference]: Finished difference Result 595 states and 779 transitions. [2021-10-13 06:44:16,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 06:44:16,508 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2021-10-13 06:44:16,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:44:16,512 INFO L225 Difference]: With dead ends: 595 [2021-10-13 06:44:16,512 INFO L226 Difference]: Without dead ends: 595 [2021-10-13 06:44:16,513 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 06:44:16,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 595 states. [2021-10-13 06:44:16,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 595 to 583. [2021-10-13 06:44:16,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 583 states, 577 states have (on average 1.3310225303292895) internal successors, (768), 582 states have internal predecessors, (768), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:16,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 583 states and 768 transitions. [2021-10-13 06:44:16,525 INFO L78 Accepts]: Start accepts. Automaton has 583 states and 768 transitions. Word has length 23 [2021-10-13 06:44:16,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:44:16,525 INFO L470 AbstractCegarLoop]: Abstraction has 583 states and 768 transitions. [2021-10-13 06:44:16,526 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:16,526 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 768 transitions. [2021-10-13 06:44:16,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-13 06:44:16,527 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:44:16,527 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:44:16,527 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-10-13 06:44:16,527 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-10-13 06:44:16,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:44:16,528 INFO L82 PathProgramCache]: Analyzing trace with hash -253524125, now seen corresponding path program 1 times [2021-10-13 06:44:16,528 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 06:44:16,528 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092998858] [2021-10-13 06:44:16,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:44:16,529 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 06:44:16,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:44:16,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:16,570 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 06:44:16,570 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092998858] [2021-10-13 06:44:16,570 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2092998858] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 06:44:16,570 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:44:16,571 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 06:44:16,571 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156070568] [2021-10-13 06:44:16,571 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 06:44:16,571 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 06:44:16,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 06:44:16,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-13 06:44:16,572 INFO L87 Difference]: Start difference. First operand 583 states and 768 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:16,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:44:16,768 INFO L93 Difference]: Finished difference Result 586 states and 769 transitions. [2021-10-13 06:44:16,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 06:44:16,768 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-10-13 06:44:16,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:44:16,771 INFO L225 Difference]: With dead ends: 586 [2021-10-13 06:44:16,771 INFO L226 Difference]: Without dead ends: 586 [2021-10-13 06:44:16,772 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.7ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-13 06:44:16,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 586 states. [2021-10-13 06:44:16,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 586 to 583. [2021-10-13 06:44:16,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 583 states, 577 states have (on average 1.3292894280762566) internal successors, (767), 582 states have internal predecessors, (767), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:16,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 583 states and 767 transitions. [2021-10-13 06:44:16,784 INFO L78 Accepts]: Start accepts. Automaton has 583 states and 767 transitions. Word has length 24 [2021-10-13 06:44:16,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:44:16,785 INFO L470 AbstractCegarLoop]: Abstraction has 583 states and 767 transitions. [2021-10-13 06:44:16,785 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:16,785 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 767 transitions. [2021-10-13 06:44:16,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-13 06:44:16,787 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:44:16,787 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:44:16,787 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-10-13 06:44:16,787 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr101ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-10-13 06:44:16,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:44:16,788 INFO L82 PathProgramCache]: Analyzing trace with hash -924129591, now seen corresponding path program 1 times [2021-10-13 06:44:16,788 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 06:44:16,788 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893981616] [2021-10-13 06:44:16,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:44:16,788 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 06:44:16,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:44:16,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:16,866 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 06:44:16,866 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [893981616] [2021-10-13 06:44:16,866 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [893981616] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 06:44:16,866 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:44:16,866 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-13 06:44:16,866 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108845751] [2021-10-13 06:44:16,867 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 06:44:16,867 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 06:44:16,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 06:44:16,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-13 06:44:16,867 INFO L87 Difference]: Start difference. First operand 583 states and 767 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:16,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:44:16,926 INFO L93 Difference]: Finished difference Result 595 states and 778 transitions. [2021-10-13 06:44:16,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 06:44:16,927 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-10-13 06:44:16,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:44:16,930 INFO L225 Difference]: With dead ends: 595 [2021-10-13 06:44:16,930 INFO L226 Difference]: Without dead ends: 594 [2021-10-13 06:44:16,932 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 20.3ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-13 06:44:16,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 594 states. [2021-10-13 06:44:16,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 594 to 589. [2021-10-13 06:44:16,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 589 states, 583 states have (on average 1.3259005145797598) internal successors, (773), 588 states have internal predecessors, (773), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:16,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 589 states and 773 transitions. [2021-10-13 06:44:16,944 INFO L78 Accepts]: Start accepts. Automaton has 589 states and 773 transitions. Word has length 24 [2021-10-13 06:44:16,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:44:16,944 INFO L470 AbstractCegarLoop]: Abstraction has 589 states and 773 transitions. [2021-10-13 06:44:16,945 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:16,945 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 773 transitions. [2021-10-13 06:44:16,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-13 06:44:16,946 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:44:16,946 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:44:16,947 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-10-13 06:44:16,947 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-10-13 06:44:16,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:44:16,947 INFO L82 PathProgramCache]: Analyzing trace with hash -924141507, now seen corresponding path program 1 times [2021-10-13 06:44:16,947 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 06:44:16,948 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958651275] [2021-10-13 06:44:16,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:44:16,948 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 06:44:16,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:44:16,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:16,994 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 06:44:16,994 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1958651275] [2021-10-13 06:44:16,994 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1958651275] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 06:44:16,994 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:44:16,994 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 06:44:16,995 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010586811] [2021-10-13 06:44:16,996 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 06:44:16,996 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 06:44:16,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 06:44:16,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-13 06:44:16,998 INFO L87 Difference]: Start difference. First operand 589 states and 773 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:17,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:44:17,202 INFO L93 Difference]: Finished difference Result 600 states and 782 transitions. [2021-10-13 06:44:17,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 06:44:17,203 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-10-13 06:44:17,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:44:17,206 INFO L225 Difference]: With dead ends: 600 [2021-10-13 06:44:17,206 INFO L226 Difference]: Without dead ends: 583 [2021-10-13 06:44:17,206 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.8ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-13 06:44:17,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 583 states. [2021-10-13 06:44:17,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 583 to 577. [2021-10-13 06:44:17,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 577 states, 571 states have (on average 1.3327495621716288) internal successors, (761), 576 states have internal predecessors, (761), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:17,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 577 states and 761 transitions. [2021-10-13 06:44:17,252 INFO L78 Accepts]: Start accepts. Automaton has 577 states and 761 transitions. Word has length 24 [2021-10-13 06:44:17,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:44:17,252 INFO L470 AbstractCegarLoop]: Abstraction has 577 states and 761 transitions. [2021-10-13 06:44:17,252 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:17,252 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 761 transitions. [2021-10-13 06:44:17,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-13 06:44:17,254 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:44:17,254 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:44:17,254 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-10-13 06:44:17,254 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-10-13 06:44:17,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:44:17,255 INFO L82 PathProgramCache]: Analyzing trace with hash 377813839, now seen corresponding path program 1 times [2021-10-13 06:44:17,255 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 06:44:17,255 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248365758] [2021-10-13 06:44:17,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:44:17,255 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 06:44:17,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:44:17,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:17,348 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 06:44:17,349 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248365758] [2021-10-13 06:44:17,349 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [248365758] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 06:44:17,349 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:44:17,349 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-13 06:44:17,349 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246160815] [2021-10-13 06:44:17,349 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-13 06:44:17,349 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 06:44:17,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-13 06:44:17,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-10-13 06:44:17,350 INFO L87 Difference]: Start difference. First operand 577 states and 761 transitions. Second operand has 7 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 7 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:17,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:44:17,463 INFO L93 Difference]: Finished difference Result 593 states and 776 transitions. [2021-10-13 06:44:17,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-13 06:44:17,464 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 7 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-10-13 06:44:17,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:44:17,467 INFO L225 Difference]: With dead ends: 593 [2021-10-13 06:44:17,468 INFO L226 Difference]: Without dead ends: 574 [2021-10-13 06:44:17,468 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 45.5ms TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-10-13 06:44:17,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 574 states. [2021-10-13 06:44:17,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 574 to 574. [2021-10-13 06:44:17,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 574 states, 568 states have (on average 1.3151408450704225) internal successors, (747), 573 states have internal predecessors, (747), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:17,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 574 states and 747 transitions. [2021-10-13 06:44:17,481 INFO L78 Accepts]: Start accepts. Automaton has 574 states and 747 transitions. Word has length 25 [2021-10-13 06:44:17,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:44:17,482 INFO L470 AbstractCegarLoop]: Abstraction has 574 states and 747 transitions. [2021-10-13 06:44:17,482 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 7 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:17,482 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states and 747 transitions. [2021-10-13 06:44:17,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-13 06:44:17,484 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:44:17,484 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:44:17,484 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-10-13 06:44:17,484 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-10-13 06:44:17,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:44:17,485 INFO L82 PathProgramCache]: Analyzing trace with hash -588711945, now seen corresponding path program 1 times [2021-10-13 06:44:17,485 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 06:44:17,487 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315997188] [2021-10-13 06:44:17,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:44:17,487 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 06:44:17,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:44:17,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:17,546 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 06:44:17,546 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [315997188] [2021-10-13 06:44:17,546 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [315997188] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 06:44:17,547 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:44:17,547 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-13 06:44:17,547 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132190870] [2021-10-13 06:44:17,547 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-13 06:44:17,547 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 06:44:17,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 06:44:17,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-13 06:44:17,548 INFO L87 Difference]: Start difference. First operand 574 states and 747 transitions. Second operand has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:17,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:44:17,693 INFO L93 Difference]: Finished difference Result 590 states and 762 transitions. [2021-10-13 06:44:17,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 06:44:17,694 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-10-13 06:44:17,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:44:17,697 INFO L225 Difference]: With dead ends: 590 [2021-10-13 06:44:17,697 INFO L226 Difference]: Without dead ends: 569 [2021-10-13 06:44:17,697 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 30.3ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-13 06:44:17,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 569 states. [2021-10-13 06:44:17,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 569 to 569. [2021-10-13 06:44:17,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 569 states, 563 states have (on average 1.300177619893428) internal successors, (732), 568 states have internal predecessors, (732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:17,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 569 states and 732 transitions. [2021-10-13 06:44:17,708 INFO L78 Accepts]: Start accepts. Automaton has 569 states and 732 transitions. Word has length 25 [2021-10-13 06:44:17,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:44:17,708 INFO L470 AbstractCegarLoop]: Abstraction has 569 states and 732 transitions. [2021-10-13 06:44:17,708 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:17,708 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 732 transitions. [2021-10-13 06:44:17,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-13 06:44:17,709 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:44:17,710 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:44:17,710 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-10-13 06:44:17,710 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-10-13 06:44:17,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:44:17,710 INFO L82 PathProgramCache]: Analyzing trace with hash 319484659, now seen corresponding path program 1 times [2021-10-13 06:44:17,710 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 06:44:17,711 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965911108] [2021-10-13 06:44:17,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:44:17,711 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 06:44:17,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:44:17,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:17,756 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 06:44:17,756 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965911108] [2021-10-13 06:44:17,757 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1965911108] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 06:44:17,757 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:44:17,757 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-13 06:44:17,757 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864113233] [2021-10-13 06:44:17,757 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-13 06:44:17,757 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 06:44:17,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 06:44:17,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-13 06:44:17,758 INFO L87 Difference]: Start difference. First operand 569 states and 732 transitions. Second operand has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:17,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:44:17,836 INFO L93 Difference]: Finished difference Result 582 states and 744 transitions. [2021-10-13 06:44:17,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 06:44:17,836 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-10-13 06:44:17,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:44:17,839 INFO L225 Difference]: With dead ends: 582 [2021-10-13 06:44:17,840 INFO L226 Difference]: Without dead ends: 563 [2021-10-13 06:44:17,840 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 33.2ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-13 06:44:17,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 563 states. [2021-10-13 06:44:17,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 563 to 563. [2021-10-13 06:44:17,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 563 states, 557 states have (on average 1.2980251346499103) internal successors, (723), 562 states have internal predecessors, (723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:17,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 563 states and 723 transitions. [2021-10-13 06:44:17,851 INFO L78 Accepts]: Start accepts. Automaton has 563 states and 723 transitions. Word has length 26 [2021-10-13 06:44:17,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:44:17,851 INFO L470 AbstractCegarLoop]: Abstraction has 563 states and 723 transitions. [2021-10-13 06:44:17,851 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:17,852 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 723 transitions. [2021-10-13 06:44:17,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-13 06:44:17,853 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:44:17,853 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:44:17,853 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-10-13 06:44:17,854 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-10-13 06:44:17,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:44:17,854 INFO L82 PathProgramCache]: Analyzing trace with hash 38315170, now seen corresponding path program 1 times [2021-10-13 06:44:17,854 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 06:44:17,854 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439303570] [2021-10-13 06:44:17,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:44:17,855 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 06:44:17,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:44:17,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:17,994 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 06:44:17,994 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439303570] [2021-10-13 06:44:17,994 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1439303570] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 06:44:17,994 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:44:17,994 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-13 06:44:17,994 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777676447] [2021-10-13 06:44:17,995 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 06:44:17,995 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 06:44:17,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 06:44:17,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 06:44:17,996 INFO L87 Difference]: Start difference. First operand 563 states and 723 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:18,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:44:18,076 INFO L93 Difference]: Finished difference Result 572 states and 729 transitions. [2021-10-13 06:44:18,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 06:44:18,076 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-10-13 06:44:18,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:44:18,080 INFO L225 Difference]: With dead ends: 572 [2021-10-13 06:44:18,080 INFO L226 Difference]: Without dead ends: 572 [2021-10-13 06:44:18,080 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 40.0ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-13 06:44:18,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 572 states. [2021-10-13 06:44:18,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 572 to 559. [2021-10-13 06:44:18,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 559 states, 553 states have (on average 1.2965641952983724) internal successors, (717), 558 states have internal predecessors, (717), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:18,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 559 states and 717 transitions. [2021-10-13 06:44:18,091 INFO L78 Accepts]: Start accepts. Automaton has 559 states and 717 transitions. Word has length 26 [2021-10-13 06:44:18,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:44:18,091 INFO L470 AbstractCegarLoop]: Abstraction has 559 states and 717 transitions. [2021-10-13 06:44:18,091 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:18,092 INFO L276 IsEmpty]: Start isEmpty. Operand 559 states and 717 transitions. [2021-10-13 06:44:18,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-13 06:44:18,093 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:44:18,093 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:44:18,093 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-10-13 06:44:18,093 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr101ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-10-13 06:44:18,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:44:18,094 INFO L82 PathProgramCache]: Analyzing trace with hash 1860469072, now seen corresponding path program 1 times [2021-10-13 06:44:18,094 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 06:44:18,094 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811425109] [2021-10-13 06:44:18,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:44:18,094 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 06:44:18,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:44:18,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:18,125 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 06:44:18,125 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811425109] [2021-10-13 06:44:18,125 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [811425109] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 06:44:18,125 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:44:18,125 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-13 06:44:18,125 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545031408] [2021-10-13 06:44:18,126 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 06:44:18,126 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 06:44:18,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 06:44:18,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 06:44:18,127 INFO L87 Difference]: Start difference. First operand 559 states and 717 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:18,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:44:18,242 INFO L93 Difference]: Finished difference Result 581 states and 737 transitions. [2021-10-13 06:44:18,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 06:44:18,243 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-10-13 06:44:18,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:44:18,246 INFO L225 Difference]: With dead ends: 581 [2021-10-13 06:44:18,246 INFO L226 Difference]: Without dead ends: 555 [2021-10-13 06:44:18,246 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 20.9ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-13 06:44:18,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 555 states. [2021-10-13 06:44:18,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 555 to 542. [2021-10-13 06:44:18,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 542 states, 536 states have (on average 1.3022388059701493) internal successors, (698), 541 states have internal predecessors, (698), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:18,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 698 transitions. [2021-10-13 06:44:18,257 INFO L78 Accepts]: Start accepts. Automaton has 542 states and 698 transitions. Word has length 26 [2021-10-13 06:44:18,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:44:18,257 INFO L470 AbstractCegarLoop]: Abstraction has 542 states and 698 transitions. [2021-10-13 06:44:18,257 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:18,257 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 698 transitions. [2021-10-13 06:44:18,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-13 06:44:18,258 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:44:18,259 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:44:18,259 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-10-13 06:44:18,259 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr101ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-10-13 06:44:18,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:44:18,259 INFO L82 PathProgramCache]: Analyzing trace with hash 932430537, now seen corresponding path program 1 times [2021-10-13 06:44:18,259 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 06:44:18,260 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120199249] [2021-10-13 06:44:18,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:44:18,260 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 06:44:18,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:44:18,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:18,327 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 06:44:18,327 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2120199249] [2021-10-13 06:44:18,327 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2120199249] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 06:44:18,327 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:44:18,327 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-13 06:44:18,328 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830278152] [2021-10-13 06:44:18,328 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 06:44:18,328 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 06:44:18,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 06:44:18,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 06:44:18,329 INFO L87 Difference]: Start difference. First operand 542 states and 698 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:18,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:44:18,452 INFO L93 Difference]: Finished difference Result 565 states and 719 transitions. [2021-10-13 06:44:18,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 06:44:18,452 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2021-10-13 06:44:18,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:44:18,455 INFO L225 Difference]: With dead ends: 565 [2021-10-13 06:44:18,456 INFO L226 Difference]: Without dead ends: 547 [2021-10-13 06:44:18,456 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 39.5ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-13 06:44:18,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 547 states. [2021-10-13 06:44:18,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 547 to 534. [2021-10-13 06:44:18,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 534 states, 528 states have (on average 1.3049242424242424) internal successors, (689), 533 states have internal predecessors, (689), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:18,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 534 states and 689 transitions. [2021-10-13 06:44:18,466 INFO L78 Accepts]: Start accepts. Automaton has 534 states and 689 transitions. Word has length 27 [2021-10-13 06:44:18,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:44:18,466 INFO L470 AbstractCegarLoop]: Abstraction has 534 states and 689 transitions. [2021-10-13 06:44:18,467 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:18,467 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states and 689 transitions. [2021-10-13 06:44:18,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-13 06:44:18,468 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:44:18,468 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:44:18,468 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-10-13 06:44:18,468 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-10-13 06:44:18,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:44:18,469 INFO L82 PathProgramCache]: Analyzing trace with hash 1719793547, now seen corresponding path program 1 times [2021-10-13 06:44:18,469 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 06:44:18,469 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853400929] [2021-10-13 06:44:18,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:44:18,470 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 06:44:18,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:44:18,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:18,514 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 06:44:18,514 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853400929] [2021-10-13 06:44:18,514 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [853400929] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 06:44:18,514 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:44:18,514 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-13 06:44:18,514 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920613900] [2021-10-13 06:44:18,515 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-13 06:44:18,515 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 06:44:18,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 06:44:18,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-13 06:44:18,516 INFO L87 Difference]: Start difference. First operand 534 states and 689 transitions. Second operand has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:18,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:44:18,576 INFO L93 Difference]: Finished difference Result 547 states and 701 transitions. [2021-10-13 06:44:18,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 06:44:18,576 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2021-10-13 06:44:18,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:44:18,579 INFO L225 Difference]: With dead ends: 547 [2021-10-13 06:44:18,580 INFO L226 Difference]: Without dead ends: 532 [2021-10-13 06:44:18,580 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 33.1ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-13 06:44:18,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 532 states. [2021-10-13 06:44:18,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 532 to 532. [2021-10-13 06:44:18,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 532 states, 526 states have (on average 1.3041825095057034) internal successors, (686), 531 states have internal predecessors, (686), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:18,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 532 states and 686 transitions. [2021-10-13 06:44:18,590 INFO L78 Accepts]: Start accepts. Automaton has 532 states and 686 transitions. Word has length 27 [2021-10-13 06:44:18,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:44:18,590 INFO L470 AbstractCegarLoop]: Abstraction has 532 states and 686 transitions. [2021-10-13 06:44:18,590 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:18,590 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 686 transitions. [2021-10-13 06:44:18,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-13 06:44:18,592 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:44:18,592 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:44:18,592 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-10-13 06:44:18,592 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-10-13 06:44:18,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:44:18,593 INFO L82 PathProgramCache]: Analyzing trace with hash 305942732, now seen corresponding path program 1 times [2021-10-13 06:44:18,593 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 06:44:18,593 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435423026] [2021-10-13 06:44:18,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:44:18,593 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 06:44:18,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:44:18,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:18,619 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 06:44:18,620 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435423026] [2021-10-13 06:44:18,620 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1435423026] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 06:44:18,620 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:44:18,620 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-13 06:44:18,620 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499414970] [2021-10-13 06:44:18,621 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 06:44:18,621 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 06:44:18,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 06:44:18,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-13 06:44:18,622 INFO L87 Difference]: Start difference. First operand 532 states and 686 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:18,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:44:18,742 INFO L93 Difference]: Finished difference Result 617 states and 785 transitions. [2021-10-13 06:44:18,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 06:44:18,743 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2021-10-13 06:44:18,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:44:18,746 INFO L225 Difference]: With dead ends: 617 [2021-10-13 06:44:18,746 INFO L226 Difference]: Without dead ends: 615 [2021-10-13 06:44:18,747 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.0ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-13 06:44:18,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 615 states. [2021-10-13 06:44:18,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 615 to 532. [2021-10-13 06:44:18,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 532 states, 526 states have (on average 1.3022813688212929) internal successors, (685), 531 states have internal predecessors, (685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:18,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 532 states and 685 transitions. [2021-10-13 06:44:18,757 INFO L78 Accepts]: Start accepts. Automaton has 532 states and 685 transitions. Word has length 27 [2021-10-13 06:44:18,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:44:18,757 INFO L470 AbstractCegarLoop]: Abstraction has 532 states and 685 transitions. [2021-10-13 06:44:18,758 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:18,758 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 685 transitions. [2021-10-13 06:44:18,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-13 06:44:18,759 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:44:18,759 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:44:18,759 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-10-13 06:44:18,760 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-10-13 06:44:18,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:44:18,760 INFO L82 PathProgramCache]: Analyzing trace with hash 2073605245, now seen corresponding path program 1 times [2021-10-13 06:44:18,760 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 06:44:18,760 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140758506] [2021-10-13 06:44:18,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:44:18,761 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 06:44:18,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:44:18,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:18,794 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 06:44:18,795 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140758506] [2021-10-13 06:44:18,795 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1140758506] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 06:44:18,795 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:44:18,795 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 06:44:18,795 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287025344] [2021-10-13 06:44:18,796 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 06:44:18,796 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 06:44:18,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 06:44:18,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-13 06:44:18,797 INFO L87 Difference]: Start difference. First operand 532 states and 685 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:18,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:44:18,991 INFO L93 Difference]: Finished difference Result 532 states and 681 transitions. [2021-10-13 06:44:18,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 06:44:18,991 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2021-10-13 06:44:18,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:44:18,994 INFO L225 Difference]: With dead ends: 532 [2021-10-13 06:44:18,994 INFO L226 Difference]: Without dead ends: 532 [2021-10-13 06:44:18,995 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.0ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-13 06:44:18,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 532 states. [2021-10-13 06:44:19,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 532 to 532. [2021-10-13 06:44:19,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 532 states, 526 states have (on average 1.2946768060836502) internal successors, (681), 531 states have internal predecessors, (681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:19,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 532 states and 681 transitions. [2021-10-13 06:44:19,006 INFO L78 Accepts]: Start accepts. Automaton has 532 states and 681 transitions. Word has length 27 [2021-10-13 06:44:19,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:44:19,006 INFO L470 AbstractCegarLoop]: Abstraction has 532 states and 681 transitions. [2021-10-13 06:44:19,007 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:19,007 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 681 transitions. [2021-10-13 06:44:19,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-13 06:44:19,009 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:44:19,009 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:44:19,009 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-10-13 06:44:19,010 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-10-13 06:44:19,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:44:19,010 INFO L82 PathProgramCache]: Analyzing trace with hash 1501328934, now seen corresponding path program 1 times [2021-10-13 06:44:19,010 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 06:44:19,010 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413398731] [2021-10-13 06:44:19,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:44:19,011 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 06:44:19,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:44:19,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:19,048 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 06:44:19,048 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413398731] [2021-10-13 06:44:19,048 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413398731] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 06:44:19,048 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:44:19,048 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-13 06:44:19,048 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795805129] [2021-10-13 06:44:19,049 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 06:44:19,049 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 06:44:19,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 06:44:19,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 06:44:19,050 INFO L87 Difference]: Start difference. First operand 532 states and 681 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:19,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:44:19,107 INFO L93 Difference]: Finished difference Result 599 states and 751 transitions. [2021-10-13 06:44:19,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 06:44:19,107 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-10-13 06:44:19,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:44:19,111 INFO L225 Difference]: With dead ends: 599 [2021-10-13 06:44:19,111 INFO L226 Difference]: Without dead ends: 599 [2021-10-13 06:44:19,112 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 17.1ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-13 06:44:19,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 599 states. [2021-10-13 06:44:19,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 599 to 542. [2021-10-13 06:44:19,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 542 states, 536 states have (on average 1.294776119402985) internal successors, (694), 541 states have internal predecessors, (694), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:19,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 694 transitions. [2021-10-13 06:44:19,123 INFO L78 Accepts]: Start accepts. Automaton has 542 states and 694 transitions. Word has length 28 [2021-10-13 06:44:19,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:44:19,123 INFO L470 AbstractCegarLoop]: Abstraction has 542 states and 694 transitions. [2021-10-13 06:44:19,123 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:19,124 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 694 transitions. [2021-10-13 06:44:19,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-13 06:44:19,125 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:44:19,125 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:44:19,125 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-10-13 06:44:19,126 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-10-13 06:44:19,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:44:19,126 INFO L82 PathProgramCache]: Analyzing trace with hash -1555918340, now seen corresponding path program 1 times [2021-10-13 06:44:19,126 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 06:44:19,126 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739314526] [2021-10-13 06:44:19,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:44:19,127 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 06:44:19,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:44:19,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:19,176 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 06:44:19,176 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739314526] [2021-10-13 06:44:19,176 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [739314526] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 06:44:19,176 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:44:19,176 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-13 06:44:19,177 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477887816] [2021-10-13 06:44:19,177 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-13 06:44:19,177 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 06:44:19,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 06:44:19,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-13 06:44:19,178 INFO L87 Difference]: Start difference. First operand 542 states and 694 transitions. Second operand has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:19,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:44:19,273 INFO L93 Difference]: Finished difference Result 555 states and 706 transitions. [2021-10-13 06:44:19,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 06:44:19,274 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-10-13 06:44:19,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:44:19,277 INFO L225 Difference]: With dead ends: 555 [2021-10-13 06:44:19,277 INFO L226 Difference]: Without dead ends: 536 [2021-10-13 06:44:19,278 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 29.5ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-13 06:44:19,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states. [2021-10-13 06:44:19,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 536. [2021-10-13 06:44:19,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 536 states, 530 states have (on average 1.2924528301886793) internal successors, (685), 535 states have internal predecessors, (685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:19,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 685 transitions. [2021-10-13 06:44:19,287 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 685 transitions. Word has length 28 [2021-10-13 06:44:19,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:44:19,287 INFO L470 AbstractCegarLoop]: Abstraction has 536 states and 685 transitions. [2021-10-13 06:44:19,287 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:19,288 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 685 transitions. [2021-10-13 06:44:19,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-13 06:44:19,289 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:44:19,289 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:44:19,289 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-10-13 06:44:19,290 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr101ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-10-13 06:44:19,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:44:19,290 INFO L82 PathProgramCache]: Analyzing trace with hash -500361546, now seen corresponding path program 1 times [2021-10-13 06:44:19,291 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 06:44:19,291 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515193083] [2021-10-13 06:44:19,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:44:19,291 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 06:44:19,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:44:19,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:19,378 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 06:44:19,378 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515193083] [2021-10-13 06:44:19,378 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1515193083] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 06:44:19,378 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:44:19,378 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-13 06:44:19,379 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672523595] [2021-10-13 06:44:19,379 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-13 06:44:19,379 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 06:44:19,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 06:44:19,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-13 06:44:19,380 INFO L87 Difference]: Start difference. First operand 536 states and 685 transitions. Second operand has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:19,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:44:19,533 INFO L93 Difference]: Finished difference Result 559 states and 706 transitions. [2021-10-13 06:44:19,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 06:44:19,534 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-10-13 06:44:19,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:44:19,537 INFO L225 Difference]: With dead ends: 559 [2021-10-13 06:44:19,537 INFO L226 Difference]: Without dead ends: 540 [2021-10-13 06:44:19,537 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 58.7ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-13 06:44:19,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 540 states. [2021-10-13 06:44:19,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 540 to 527. [2021-10-13 06:44:19,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 527 states, 521 states have (on average 1.2955854126679462) internal successors, (675), 526 states have internal predecessors, (675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:19,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 527 states and 675 transitions. [2021-10-13 06:44:19,547 INFO L78 Accepts]: Start accepts. Automaton has 527 states and 675 transitions. Word has length 28 [2021-10-13 06:44:19,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:44:19,547 INFO L470 AbstractCegarLoop]: Abstraction has 527 states and 675 transitions. [2021-10-13 06:44:19,547 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:19,547 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 675 transitions. [2021-10-13 06:44:19,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-13 06:44:19,549 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:44:19,549 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:44:19,549 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-10-13 06:44:19,549 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-10-13 06:44:19,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:44:19,550 INFO L82 PathProgramCache]: Analyzing trace with hash -560965630, now seen corresponding path program 1 times [2021-10-13 06:44:19,550 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 06:44:19,550 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129565442] [2021-10-13 06:44:19,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:44:19,551 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 06:44:19,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:44:19,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:19,584 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 06:44:19,585 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129565442] [2021-10-13 06:44:19,585 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2129565442] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 06:44:19,585 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:44:19,585 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-13 06:44:19,585 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892257424] [2021-10-13 06:44:19,586 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 06:44:19,586 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 06:44:19,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 06:44:19,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 06:44:19,587 INFO L87 Difference]: Start difference. First operand 527 states and 675 transitions. Second operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:19,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:44:19,764 INFO L93 Difference]: Finished difference Result 561 states and 711 transitions. [2021-10-13 06:44:19,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 06:44:19,765 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-10-13 06:44:19,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:44:19,768 INFO L225 Difference]: With dead ends: 561 [2021-10-13 06:44:19,768 INFO L226 Difference]: Without dead ends: 561 [2021-10-13 06:44:19,768 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.1ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 06:44:19,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 561 states. [2021-10-13 06:44:19,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 561 to 500. [2021-10-13 06:44:19,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 500 states, 496 states have (on average 1.2883064516129032) internal successors, (639), 499 states have internal predecessors, (639), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:19,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 500 states and 639 transitions. [2021-10-13 06:44:19,778 INFO L78 Accepts]: Start accepts. Automaton has 500 states and 639 transitions. Word has length 28 [2021-10-13 06:44:19,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:44:19,778 INFO L470 AbstractCegarLoop]: Abstraction has 500 states and 639 transitions. [2021-10-13 06:44:19,778 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:19,778 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 639 transitions. [2021-10-13 06:44:19,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-10-13 06:44:19,779 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:44:19,780 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:44:19,780 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-10-13 06:44:19,780 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-10-13 06:44:19,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:44:19,780 INFO L82 PathProgramCache]: Analyzing trace with hash 984261047, now seen corresponding path program 1 times [2021-10-13 06:44:19,781 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 06:44:19,781 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833160431] [2021-10-13 06:44:19,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:44:19,781 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 06:44:19,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:44:19,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:19,840 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 06:44:19,840 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833160431] [2021-10-13 06:44:19,840 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1833160431] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 06:44:19,841 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:44:19,841 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-10-13 06:44:19,841 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843911729] [2021-10-13 06:44:19,841 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-13 06:44:19,842 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 06:44:19,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-13 06:44:19,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-10-13 06:44:19,842 INFO L87 Difference]: Start difference. First operand 500 states and 639 transitions. Second operand has 8 states, 8 states have (on average 3.625) internal successors, (29), 8 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:20,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:44:20,095 INFO L93 Difference]: Finished difference Result 586 states and 733 transitions. [2021-10-13 06:44:20,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-13 06:44:20,095 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.625) internal successors, (29), 8 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2021-10-13 06:44:20,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:44:20,099 INFO L225 Difference]: With dead ends: 586 [2021-10-13 06:44:20,099 INFO L226 Difference]: Without dead ends: 555 [2021-10-13 06:44:20,099 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 67.7ms TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2021-10-13 06:44:20,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 555 states. [2021-10-13 06:44:20,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 555 to 500. [2021-10-13 06:44:20,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 500 states, 496 states have (on average 1.2762096774193548) internal successors, (633), 499 states have internal predecessors, (633), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:20,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 500 states and 633 transitions. [2021-10-13 06:44:20,108 INFO L78 Accepts]: Start accepts. Automaton has 500 states and 633 transitions. Word has length 29 [2021-10-13 06:44:20,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:44:20,108 INFO L470 AbstractCegarLoop]: Abstraction has 500 states and 633 transitions. [2021-10-13 06:44:20,108 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.625) internal successors, (29), 8 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:20,108 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 633 transitions. [2021-10-13 06:44:20,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-10-13 06:44:20,110 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:44:20,110 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:44:20,110 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-10-13 06:44:20,110 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-10-13 06:44:20,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:44:20,111 INFO L82 PathProgramCache]: Analyzing trace with hash 1715010805, now seen corresponding path program 1 times [2021-10-13 06:44:20,111 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 06:44:20,111 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752622315] [2021-10-13 06:44:20,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:44:20,111 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 06:44:20,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:44:20,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:20,161 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 06:44:20,161 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752622315] [2021-10-13 06:44:20,161 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1752622315] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 06:44:20,162 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:44:20,162 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-13 06:44:20,162 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488183878] [2021-10-13 06:44:20,162 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-13 06:44:20,162 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 06:44:20,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-13 06:44:20,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-10-13 06:44:20,163 INFO L87 Difference]: Start difference. First operand 500 states and 633 transitions. Second operand has 7 states, 7 states have (on average 4.142857142857143) internal successors, (29), 7 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:20,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:44:20,409 INFO L93 Difference]: Finished difference Result 581 states and 721 transitions. [2021-10-13 06:44:20,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-13 06:44:20,410 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.142857142857143) internal successors, (29), 7 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2021-10-13 06:44:20,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:44:20,413 INFO L225 Difference]: With dead ends: 581 [2021-10-13 06:44:20,413 INFO L226 Difference]: Without dead ends: 545 [2021-10-13 06:44:20,413 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 48.0ms TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-10-13 06:44:20,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 545 states. [2021-10-13 06:44:20,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 545 to 503. [2021-10-13 06:44:20,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 503 states, 499 states have (on average 1.2605210420841684) internal successors, (629), 502 states have internal predecessors, (629), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:20,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 503 states and 629 transitions. [2021-10-13 06:44:20,422 INFO L78 Accepts]: Start accepts. Automaton has 503 states and 629 transitions. Word has length 29 [2021-10-13 06:44:20,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:44:20,422 INFO L470 AbstractCegarLoop]: Abstraction has 503 states and 629 transitions. [2021-10-13 06:44:20,422 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.142857142857143) internal successors, (29), 7 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:20,422 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 629 transitions. [2021-10-13 06:44:20,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-10-13 06:44:20,423 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:44:20,424 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:44:20,424 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2021-10-13 06:44:20,424 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-10-13 06:44:20,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:44:20,424 INFO L82 PathProgramCache]: Analyzing trace with hash 626456419, now seen corresponding path program 1 times [2021-10-13 06:44:20,425 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 06:44:20,425 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394304431] [2021-10-13 06:44:20,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:44:20,425 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 06:44:20,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:44:20,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:20,464 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 06:44:20,464 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394304431] [2021-10-13 06:44:20,464 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394304431] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 06:44:20,464 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:44:20,464 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-13 06:44:20,464 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975685180] [2021-10-13 06:44:20,465 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-13 06:44:20,465 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 06:44:20,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 06:44:20,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-13 06:44:20,466 INFO L87 Difference]: Start difference. First operand 503 states and 629 transitions. Second operand has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:20,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:44:20,545 INFO L93 Difference]: Finished difference Result 520 states and 645 transitions. [2021-10-13 06:44:20,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 06:44:20,546 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2021-10-13 06:44:20,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:44:20,548 INFO L225 Difference]: With dead ends: 520 [2021-10-13 06:44:20,549 INFO L226 Difference]: Without dead ends: 496 [2021-10-13 06:44:20,549 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 25.2ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-13 06:44:20,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 496 states. [2021-10-13 06:44:20,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 496 to 496. [2021-10-13 06:44:20,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 496 states, 492 states have (on average 1.2540650406504066) internal successors, (617), 495 states have internal predecessors, (617), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:20,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 496 states and 617 transitions. [2021-10-13 06:44:20,557 INFO L78 Accepts]: Start accepts. Automaton has 496 states and 617 transitions. Word has length 29 [2021-10-13 06:44:20,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:44:20,558 INFO L470 AbstractCegarLoop]: Abstraction has 496 states and 617 transitions. [2021-10-13 06:44:20,558 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:20,558 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 617 transitions. [2021-10-13 06:44:20,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-10-13 06:44:20,559 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:44:20,560 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:44:20,560 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2021-10-13 06:44:20,560 INFO L402 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr101ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-10-13 06:44:20,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:44:20,561 INFO L82 PathProgramCache]: Analyzing trace with hash -1857740232, now seen corresponding path program 1 times [2021-10-13 06:44:20,561 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 06:44:20,561 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377285958] [2021-10-13 06:44:20,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:44:20,561 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 06:44:20,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:44:20,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:20,638 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 06:44:20,638 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377285958] [2021-10-13 06:44:20,638 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [377285958] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 06:44:20,638 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:44:20,638 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-13 06:44:20,638 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580943631] [2021-10-13 06:44:20,639 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-13 06:44:20,639 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 06:44:20,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 06:44:20,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-13 06:44:20,640 INFO L87 Difference]: Start difference. First operand 496 states and 617 transitions. Second operand has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:20,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:44:20,749 INFO L93 Difference]: Finished difference Result 524 states and 642 transitions. [2021-10-13 06:44:20,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 06:44:20,750 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2021-10-13 06:44:20,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:44:20,752 INFO L225 Difference]: With dead ends: 524 [2021-10-13 06:44:20,753 INFO L226 Difference]: Without dead ends: 505 [2021-10-13 06:44:20,753 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 32.8ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-13 06:44:20,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 505 states. [2021-10-13 06:44:20,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 505 to 484. [2021-10-13 06:44:20,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 484 states, 480 states have (on average 1.25) internal successors, (600), 483 states have internal predecessors, (600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:20,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 484 states and 600 transitions. [2021-10-13 06:44:20,798 INFO L78 Accepts]: Start accepts. Automaton has 484 states and 600 transitions. Word has length 29 [2021-10-13 06:44:20,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:44:20,798 INFO L470 AbstractCegarLoop]: Abstraction has 484 states and 600 transitions. [2021-10-13 06:44:20,798 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:20,799 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 600 transitions. [2021-10-13 06:44:20,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-10-13 06:44:20,800 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:44:20,800 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:44:20,800 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2021-10-13 06:44:20,800 INFO L402 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-10-13 06:44:20,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:44:20,801 INFO L82 PathProgramCache]: Analyzing trace with hash 1557561648, now seen corresponding path program 1 times [2021-10-13 06:44:20,801 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 06:44:20,801 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663734938] [2021-10-13 06:44:20,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:44:20,802 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 06:44:20,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:44:20,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:20,823 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 06:44:20,823 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663734938] [2021-10-13 06:44:20,824 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1663734938] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 06:44:20,825 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:44:20,825 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 06:44:20,825 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867872391] [2021-10-13 06:44:20,825 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 06:44:20,826 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 06:44:20,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 06:44:20,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 06:44:20,827 INFO L87 Difference]: Start difference. First operand 484 states and 600 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:20,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:44:20,868 INFO L93 Difference]: Finished difference Result 343 states and 400 transitions. [2021-10-13 06:44:20,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 06:44:20,869 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2021-10-13 06:44:20,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:44:20,870 INFO L225 Difference]: With dead ends: 343 [2021-10-13 06:44:20,871 INFO L226 Difference]: Without dead ends: 270 [2021-10-13 06:44:20,871 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 06:44:20,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2021-10-13 06:44:20,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 248. [2021-10-13 06:44:20,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 244 states have (on average 1.1762295081967213) internal successors, (287), 247 states have internal predecessors, (287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:20,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 287 transitions. [2021-10-13 06:44:20,876 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 287 transitions. Word has length 29 [2021-10-13 06:44:20,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:44:20,876 INFO L470 AbstractCegarLoop]: Abstraction has 248 states and 287 transitions. [2021-10-13 06:44:20,876 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:20,876 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 287 transitions. [2021-10-13 06:44:20,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-13 06:44:20,877 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:44:20,877 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:44:20,877 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2021-10-13 06:44:20,878 INFO L402 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-10-13 06:44:20,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:44:20,878 INFO L82 PathProgramCache]: Analyzing trace with hash -1035203637, now seen corresponding path program 1 times [2021-10-13 06:44:20,878 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 06:44:20,878 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042706363] [2021-10-13 06:44:20,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:44:20,879 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 06:44:20,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:44:20,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:20,899 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 06:44:20,899 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042706363] [2021-10-13 06:44:20,899 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2042706363] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 06:44:20,899 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:44:20,899 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 06:44:20,900 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23082510] [2021-10-13 06:44:20,900 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 06:44:20,900 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 06:44:20,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 06:44:20,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 06:44:20,901 INFO L87 Difference]: Start difference. First operand 248 states and 287 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:20,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:44:20,913 INFO L93 Difference]: Finished difference Result 253 states and 290 transitions. [2021-10-13 06:44:20,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 06:44:20,913 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-10-13 06:44:20,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:44:20,915 INFO L225 Difference]: With dead ends: 253 [2021-10-13 06:44:20,915 INFO L226 Difference]: Without dead ends: 253 [2021-10-13 06:44:20,915 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 06:44:20,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2021-10-13 06:44:20,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 248. [2021-10-13 06:44:20,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 244 states have (on average 1.1721311475409837) internal successors, (286), 247 states have internal predecessors, (286), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:20,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 286 transitions. [2021-10-13 06:44:20,920 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 286 transitions. Word has length 32 [2021-10-13 06:44:20,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:44:20,920 INFO L470 AbstractCegarLoop]: Abstraction has 248 states and 286 transitions. [2021-10-13 06:44:20,920 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:20,920 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 286 transitions. [2021-10-13 06:44:20,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-13 06:44:20,921 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:44:20,921 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:44:20,922 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2021-10-13 06:44:20,922 INFO L402 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-10-13 06:44:20,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:44:20,922 INFO L82 PathProgramCache]: Analyzing trace with hash 1077481681, now seen corresponding path program 1 times [2021-10-13 06:44:20,922 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 06:44:20,923 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242991386] [2021-10-13 06:44:20,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:44:20,923 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 06:44:20,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:44:20,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:20,953 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 06:44:20,953 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242991386] [2021-10-13 06:44:20,953 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1242991386] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 06:44:20,954 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:44:20,954 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 06:44:20,954 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046977713] [2021-10-13 06:44:20,954 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 06:44:20,954 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 06:44:20,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 06:44:20,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-13 06:44:20,955 INFO L87 Difference]: Start difference. First operand 248 states and 286 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:21,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:44:21,026 INFO L93 Difference]: Finished difference Result 254 states and 291 transitions. [2021-10-13 06:44:21,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 06:44:21,026 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-10-13 06:44:21,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:44:21,027 INFO L225 Difference]: With dead ends: 254 [2021-10-13 06:44:21,027 INFO L226 Difference]: Without dead ends: 240 [2021-10-13 06:44:21,027 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.0ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-13 06:44:21,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2021-10-13 06:44:21,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 236. [2021-10-13 06:44:21,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 232 states have (on average 1.1724137931034482) internal successors, (272), 235 states have internal predecessors, (272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:21,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 272 transitions. [2021-10-13 06:44:21,031 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 272 transitions. Word has length 34 [2021-10-13 06:44:21,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:44:21,031 INFO L470 AbstractCegarLoop]: Abstraction has 236 states and 272 transitions. [2021-10-13 06:44:21,031 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:21,031 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 272 transitions. [2021-10-13 06:44:21,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-13 06:44:21,032 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:44:21,032 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:44:21,032 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2021-10-13 06:44:21,032 INFO L402 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr99ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-10-13 06:44:21,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:44:21,032 INFO L82 PathProgramCache]: Analyzing trace with hash 2087882022, now seen corresponding path program 1 times [2021-10-13 06:44:21,032 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 06:44:21,033 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442035998] [2021-10-13 06:44:21,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:44:21,033 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 06:44:21,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:44:21,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:21,125 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 06:44:21,125 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442035998] [2021-10-13 06:44:21,125 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [442035998] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 06:44:21,126 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:44:21,126 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-13 06:44:21,126 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311017807] [2021-10-13 06:44:21,126 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 06:44:21,126 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 06:44:21,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 06:44:21,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 06:44:21,127 INFO L87 Difference]: Start difference. First operand 236 states and 272 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:21,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:44:21,234 INFO L93 Difference]: Finished difference Result 215 states and 242 transitions. [2021-10-13 06:44:21,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 06:44:21,235 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-10-13 06:44:21,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:44:21,236 INFO L225 Difference]: With dead ends: 215 [2021-10-13 06:44:21,237 INFO L226 Difference]: Without dead ends: 212 [2021-10-13 06:44:21,237 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 83.8ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-13 06:44:21,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2021-10-13 06:44:21,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 198. [2021-10-13 06:44:21,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 195 states have (on average 1.158974358974359) internal successors, (226), 197 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:21,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 226 transitions. [2021-10-13 06:44:21,240 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 226 transitions. Word has length 34 [2021-10-13 06:44:21,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:44:21,241 INFO L470 AbstractCegarLoop]: Abstraction has 198 states and 226 transitions. [2021-10-13 06:44:21,241 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:21,241 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 226 transitions. [2021-10-13 06:44:21,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-13 06:44:21,241 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:44:21,241 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:44:21,242 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2021-10-13 06:44:21,242 INFO L402 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr102ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-10-13 06:44:21,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:44:21,242 INFO L82 PathProgramCache]: Analyzing trace with hash 184103724, now seen corresponding path program 1 times [2021-10-13 06:44:21,242 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 06:44:21,242 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471886905] [2021-10-13 06:44:21,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:44:21,243 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 06:44:21,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:44:21,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:21,267 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 06:44:21,268 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471886905] [2021-10-13 06:44:21,268 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [471886905] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 06:44:21,268 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:44:21,268 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 06:44:21,268 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127727543] [2021-10-13 06:44:21,269 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 06:44:21,269 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 06:44:21,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 06:44:21,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 06:44:21,270 INFO L87 Difference]: Start difference. First operand 198 states and 226 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:21,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:44:21,281 INFO L93 Difference]: Finished difference Result 198 states and 224 transitions. [2021-10-13 06:44:21,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 06:44:21,281 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-10-13 06:44:21,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:44:21,282 INFO L225 Difference]: With dead ends: 198 [2021-10-13 06:44:21,283 INFO L226 Difference]: Without dead ends: 198 [2021-10-13 06:44:21,283 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 06:44:21,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2021-10-13 06:44:21,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 198. [2021-10-13 06:44:21,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 195 states have (on average 1.1487179487179486) internal successors, (224), 197 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:21,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 224 transitions. [2021-10-13 06:44:21,287 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 224 transitions. Word has length 34 [2021-10-13 06:44:21,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:44:21,287 INFO L470 AbstractCegarLoop]: Abstraction has 198 states and 224 transitions. [2021-10-13 06:44:21,287 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:21,287 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 224 transitions. [2021-10-13 06:44:21,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-13 06:44:21,288 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:44:21,288 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:44:21,288 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2021-10-13 06:44:21,289 INFO L402 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr101ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-10-13 06:44:21,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:44:21,289 INFO L82 PathProgramCache]: Analyzing trace with hash 761977829, now seen corresponding path program 1 times [2021-10-13 06:44:21,289 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 06:44:21,289 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78801422] [2021-10-13 06:44:21,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:44:21,290 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 06:44:21,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:44:21,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:21,361 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 06:44:21,362 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78801422] [2021-10-13 06:44:21,362 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [78801422] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 06:44:21,362 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:44:21,362 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-13 06:44:21,362 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755188326] [2021-10-13 06:44:21,363 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-13 06:44:21,363 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 06:44:21,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 06:44:21,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-13 06:44:21,364 INFO L87 Difference]: Start difference. First operand 198 states and 224 transitions. Second operand has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:21,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:44:21,478 INFO L93 Difference]: Finished difference Result 208 states and 233 transitions. [2021-10-13 06:44:21,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 06:44:21,478 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-10-13 06:44:21,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:44:21,479 INFO L225 Difference]: With dead ends: 208 [2021-10-13 06:44:21,479 INFO L226 Difference]: Without dead ends: 168 [2021-10-13 06:44:21,479 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 56.6ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-13 06:44:21,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2021-10-13 06:44:21,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 168. [2021-10-13 06:44:21,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 165 states have (on average 1.1333333333333333) internal successors, (187), 167 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:21,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 187 transitions. [2021-10-13 06:44:21,482 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 187 transitions. Word has length 36 [2021-10-13 06:44:21,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:44:21,482 INFO L470 AbstractCegarLoop]: Abstraction has 168 states and 187 transitions. [2021-10-13 06:44:21,483 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:21,483 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 187 transitions. [2021-10-13 06:44:21,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-13 06:44:21,483 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:44:21,483 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:44:21,483 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2021-10-13 06:44:21,484 INFO L402 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr102ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-10-13 06:44:21,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:44:21,486 INFO L82 PathProgramCache]: Analyzing trace with hash -651748818, now seen corresponding path program 1 times [2021-10-13 06:44:21,486 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 06:44:21,486 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259374174] [2021-10-13 06:44:21,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:44:21,486 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 06:44:21,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 06:44:21,527 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 06:44:21,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 06:44:21,607 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-10-13 06:44:21,608 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-13 06:44:21,608 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr102ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:44:21,610 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:44:21,612 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:44:21,613 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:44:21,613 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:44:21,613 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:44:21,613 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:44:21,613 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:44:21,613 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:44:21,613 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:44:21,614 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:44:21,614 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:44:21,614 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:44:21,614 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:44:21,614 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:44:21,614 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:44:21,614 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:44:21,615 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:44:21,615 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:44:21,616 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:44:21,616 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:44:21,616 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:44:21,616 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:44:21,616 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:44:21,617 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:44:21,617 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:44:21,617 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:44:21,617 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:44:21,617 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:44:21,618 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:44:21,618 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:44:21,618 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:44:21,618 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:44:21,619 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:44:21,619 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:44:21,619 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:44:21,619 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:44:21,619 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:44:21,620 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:44:21,620 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:44:21,620 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:44:21,620 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:44:21,620 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:44:21,621 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:44:21,621 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:44:21,621 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:44:21,621 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:44:21,622 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:44:21,622 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:44:21,622 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:44:21,622 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:44:21,622 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:44:21,623 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:44:21,623 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:44:21,623 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:44:21,623 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:44:21,623 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:44:21,624 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:44:21,624 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:44:21,624 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:44:21,624 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:44:21,625 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:44:21,625 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:44:21,625 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:44:21,625 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:44:21,625 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:44:21,626 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:44:21,626 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:44:21,626 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:44:21,626 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:44:21,626 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:44:21,627 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:44:21,627 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:44:21,627 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:44:21,627 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:44:21,628 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:44:21,628 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:44:21,628 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:44:21,628 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:44:21,628 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:44:21,629 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr79ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:44:21,629 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:44:21,629 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:44:21,629 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:44:21,629 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:44:21,630 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:44:21,630 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:44:21,630 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr86ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:44:21,630 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr87ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:44:21,630 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr88ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:44:21,631 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr89ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:44:21,631 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr90ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:44:21,631 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr91ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:44:21,631 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr92ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:44:21,631 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr93ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:44:21,632 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr94ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:44:21,632 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr95ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:44:21,632 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr96ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:44:21,632 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr97ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:44:21,633 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr98ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:44:21,633 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr99ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:44:21,633 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:44:21,633 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr101ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:44:21,633 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr103ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:44:21,634 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2021-10-13 06:44:21,640 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 06:44:21,748 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 06:44:21 BoogieIcfgContainer [2021-10-13 06:44:21,749 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 06:44:21,749 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 06:44:21,750 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 06:44:21,750 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 06:44:21,751 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:44:10" (3/4) ... [2021-10-13 06:44:21,753 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-13 06:44:21,754 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 06:44:21,755 INFO L168 Benchmark]: Toolchain (without parser) took 17181.81 ms. Allocated memory was 88.1 MB in the beginning and 364.9 MB in the end (delta: 276.8 MB). Free memory was 47.7 MB in the beginning and 181.3 MB in the end (delta: -133.6 MB). Peak memory consumption was 142.3 MB. Max. memory is 16.1 GB. [2021-10-13 06:44:21,756 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 88.1 MB. Free memory was 65.9 MB in the beginning and 65.9 MB in the end (delta: 55.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 06:44:21,757 INFO L168 Benchmark]: CACSL2BoogieTranslator took 790.99 ms. Allocated memory was 88.1 MB in the beginning and 113.2 MB in the end (delta: 25.2 MB). Free memory was 47.5 MB in the beginning and 69.6 MB in the end (delta: -22.1 MB). Peak memory consumption was 8.9 MB. Max. memory is 16.1 GB. [2021-10-13 06:44:21,757 INFO L168 Benchmark]: Boogie Procedure Inliner took 205.22 ms. Allocated memory is still 113.2 MB. Free memory was 69.6 MB in the beginning and 49.1 MB in the end (delta: 20.4 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2021-10-13 06:44:21,757 INFO L168 Benchmark]: Boogie Preprocessor took 204.92 ms. Allocated memory is still 113.2 MB. Free memory was 49.1 MB in the beginning and 70.3 MB in the end (delta: -21.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 16.1 GB. [2021-10-13 06:44:21,762 INFO L168 Benchmark]: RCFGBuilder took 5174.51 ms. Allocated memory was 113.2 MB in the beginning and 268.4 MB in the end (delta: 155.2 MB). Free memory was 70.3 MB in the beginning and 144.3 MB in the end (delta: -73.9 MB). Peak memory consumption was 115.5 MB. Max. memory is 16.1 GB. [2021-10-13 06:44:21,763 INFO L168 Benchmark]: TraceAbstraction took 10794.08 ms. Allocated memory was 268.4 MB in the beginning and 364.9 MB in the end (delta: 96.5 MB). Free memory was 144.3 MB in the beginning and 182.4 MB in the end (delta: -38.1 MB). Peak memory consumption was 58.4 MB. Max. memory is 16.1 GB. [2021-10-13 06:44:21,763 INFO L168 Benchmark]: Witness Printer took 4.31 ms. Allocated memory is still 364.9 MB. Free memory was 182.4 MB in the beginning and 181.3 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 06:44:21,765 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 88.1 MB. Free memory was 65.9 MB in the beginning and 65.9 MB in the end (delta: 55.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 790.99 ms. Allocated memory was 88.1 MB in the beginning and 113.2 MB in the end (delta: 25.2 MB). Free memory was 47.5 MB in the beginning and 69.6 MB in the end (delta: -22.1 MB). Peak memory consumption was 8.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 205.22 ms. Allocated memory is still 113.2 MB. Free memory was 69.6 MB in the beginning and 49.1 MB in the end (delta: 20.4 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 204.92 ms. Allocated memory is still 113.2 MB. Free memory was 49.1 MB in the beginning and 70.3 MB in the end (delta: -21.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 5174.51 ms. Allocated memory was 113.2 MB in the beginning and 268.4 MB in the end (delta: 155.2 MB). Free memory was 70.3 MB in the beginning and 144.3 MB in the end (delta: -73.9 MB). Peak memory consumption was 115.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 10794.08 ms. Allocated memory was 268.4 MB in the beginning and 364.9 MB in the end (delta: 96.5 MB). Free memory was 144.3 MB in the beginning and 182.4 MB in the end (delta: -38.1 MB). Peak memory consumption was 58.4 MB. Max. memory is 16.1 GB. * Witness Printer took 4.31 ms. Allocated memory is still 364.9 MB. Free memory was 182.4 MB in the beginning and 181.3 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 59. Possible FailurePath: [L32] int s ; [L33] int UNLOADED ; [L34] int NP ; [L35] int DC ; [L36] int SKIP1 ; [L37] int SKIP2 ; [L38] int MPR1 ; [L39] int MPR3 ; [L40] int IPC ; [L41] int pended ; [L42] int compFptr ; [L43] int compRegistered ; [L44] int lowerDriverReturn ; [L45] int setEventCalled ; [L46] int customIrp ; [L47] int routine ; [L48] int myStatus ; [L49] int pirp ; [L50] int Executive ; [L51] int Suspended ; [L52] int KernelMode ; [L53] int DeviceUsageTypePaging ; [L1718] int pirp__IoStatus__Status ; [L1719] int d = __VERIFIER_nondet_int() ; [L1720] int status = __VERIFIER_nondet_int() ; [L1721] int irp = __VERIFIER_nondet_int() ; [L1722] int we_should_unload = __VERIFIER_nondet_int() ; [L1723] int irp_choice = __VERIFIER_nondet_int() ; [L1724] int devobj = __VERIFIER_nondet_int() ; [L1725] int __cil_tmp9 ; [L1730] s = 0 [L1731] UNLOADED = 0 [L1732] NP = 0 [L1733] DC = 0 [L1734] SKIP1 = 0 [L1735] SKIP2 = 0 [L1736] MPR1 = 0 [L1737] MPR3 = 0 [L1738] IPC = 0 [L1739] pended = 0 [L1740] compFptr = 0 [L1741] compRegistered = 0 [L1742] lowerDriverReturn = 0 [L1743] setEventCalled = 0 [L1744] customIrp = 0 [L1745] routine = 0 [L1746] myStatus = 0 [L1747] pirp = 0 [L1748] Executive = 0 [L1749] Suspended = 5 [L1750] KernelMode = 0 [L1751] DeviceUsageTypePaging = 1 [L1754] pirp = irp [L67] UNLOADED = 0 [L68] NP = 1 [L69] DC = 2 [L70] SKIP1 = 3 [L71] SKIP2 = 4 [L72] MPR1 = 5 [L73] MPR3 = 6 [L74] IPC = 7 [L75] s = UNLOADED [L76] pended = 0 [L77] compFptr = 0 [L78] compRegistered = 0 [L79] lowerDriverReturn = 0 [L80] setEventCalled = 0 [L81] customIrp = 0 VAL [compFptr=0, compRegistered=0, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=0, NP=1, pended=0, pirp=0, routine=0, s=0, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1757] COND TRUE status >= 0 [L1758] s = NP [L1759] customIrp = 0 [L1760] setEventCalled = customIrp [L1761] lowerDriverReturn = setEventCalled [L1762] compRegistered = lowerDriverReturn [L1763] compFptr = compRegistered [L1764] pended = compFptr [L1765] pirp__IoStatus__Status = 0 [L1766] myStatus = 0 [L1767] COND TRUE irp_choice == 0 [L1768] pirp__IoStatus__Status = -1073741637 [L1769] myStatus = -1073741637 [L1707] s = NP [L1708] customIrp = 0 [L1709] setEventCalled = customIrp [L1710] lowerDriverReturn = setEventCalled [L1711] compRegistered = lowerDriverReturn [L1712] compFptr = compRegistered [L1713] pended = compFptr VAL [compFptr=0, compRegistered=0, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, pirp=0, routine=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1775] COND FALSE !(status < 0) [L1779] int tmp_ndt_1; [L1780] tmp_ndt_1 = __VERIFIER_nondet_int() [L1781] COND TRUE tmp_ndt_1 == 2 [L313] int deviceExtension__Active = __VERIFIER_nondet_int() ; [L314] int status ; VAL [compFptr=0, compRegistered=0, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, pirp=0, routine=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L317] COND FALSE !(deviceExtension__Active == 2) VAL [compFptr=0, compRegistered=0, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, pirp=0, routine=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L320] COND FALSE !(deviceExtension__Active == 3) VAL [compFptr=0, compRegistered=0, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, pirp=0, routine=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L323] COND FALSE !(deviceExtension__Active == 1) VAL [compFptr=0, compRegistered=0, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, pirp=0, routine=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L326] COND TRUE deviceExtension__Active == 7 [L1591] int currentIrpStack__Parameters__DeviceIoControl__IoControlCode = __VERIFIER_nondet_int() ; [L1592] int deviceExtension__TargetDeviceObject = __VERIFIER_nondet_int() ; [L1593] int irpSp__Control ; [L1594] int tmp ; [L1595] int tmp___0 ; [L1596] int __cil_tmp8 ; [L1597] int __cil_tmp9 ; [L1598] int __cil_tmp10 ; [L1599] int __cil_tmp11 ; [L1600] int __cil_tmp12 ; [L1604] __cil_tmp8 = 56 [L1605] __cil_tmp9 = 16384 [L1606] __cil_tmp10 = 131072 [L1607] __cil_tmp11 = 147456 [L1608] __cil_tmp12 = 147512 VAL [compFptr=0, compRegistered=0, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, pirp=0, routine=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1609] COND TRUE currentIrpStack__Parameters__DeviceIoControl__IoControlCode == __cil_tmp12 VAL [compFptr=0, compRegistered=0, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, pirp=0, routine=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1610] COND FALSE !(s != NP) VAL [compFptr=0, compRegistered=0, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, pirp=0, routine=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1615] COND FALSE !(compRegistered != 0) [L1620] compRegistered = 1 [L1621] routine = 0 VAL [compFptr=0, compRegistered=1, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, pirp=0, routine=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1625] irpSp__Control = 224 [L1900] int Irp__PendingReturned = __VERIFIER_nondet_int() ; [L1901] int returnVal2 ; [L1902] int compRetStatus ; [L1903] int lcontext = __VERIFIER_nondet_int() ; [L1904] unsigned long __cil_tmp8 ; VAL [compFptr=0, compRegistered=1, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, pirp=0, routine=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1907] COND TRUE \read(compRegistered) VAL [compFptr=0, compRegistered=1, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, pirp=0, routine=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1908] COND TRUE routine == 0 [L1569] int Irp__PendingReturned = __VERIFIER_nondet_int() ; [L1570] int Irp__AssociatedIrp__SystemBuffer = __VERIFIER_nondet_int() ; [L1573] COND TRUE \read(Irp__PendingReturned) VAL [compFptr=0, compRegistered=1, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, pirp=0, routine=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1574] COND TRUE pended == 0 [L1575] pended = 1 VAL [compFptr=0, compRegistered=1, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=1, pirp=0, routine=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1582] COND FALSE !(myStatus >= 0) [L1587] return (myStatus); [L1910] compRetStatus = HPCdrCompletion(DeviceObject, Irp, lcontext) [L1920] __cil_tmp8 = (unsigned long )compRetStatus VAL [compFptr=0, compRegistered=1, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=1, pirp=0, routine=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1921] COND FALSE !(__cil_tmp8 == -1073741802) VAL [compFptr=0, compRegistered=1, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=1, pirp=0, routine=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1928] COND FALSE !(\read(Irp__PendingReturned)) [L1931] int tmp_ndt_4; [L1932] tmp_ndt_4 = __VERIFIER_nondet_int() [L1933] COND TRUE tmp_ndt_4 == 0 [L1944] returnVal2 = 0 VAL [compFptr=0, compRegistered=1, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=1, pirp=0, routine=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1958] COND TRUE s == NP [L1959] s = IPC [L1960] lowerDriverReturn = returnVal2 VAL [compFptr=0, compRegistered=1, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=1, pirp=0, routine=0, s=7, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1981] return (returnVal2); [L1626] tmp = IofCallDriver(deviceExtension__TargetDeviceObject, Irp) [L1628] return (tmp); VAL [compFptr=0, compRegistered=1, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=1, pirp=0, routine=0, s=7, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L348] status = CdAudioHPCdrDeviceControl(DeviceObject, Irp) [L363] return (status); [L1798] status = CdAudioDeviceControl(devobj, pirp) [L1819] COND FALSE !(\read(we_should_unload)) VAL [compFptr=0, compRegistered=1, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=1, pirp=0, routine=0, s=7, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1825] COND TRUE pended == 1 VAL [compFptr=0, compRegistered=1, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=1, pirp=0, routine=0, s=7, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1826] COND FALSE !(s == NP) VAL [compFptr=0, compRegistered=1, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=1, pirp=0, routine=0, s=7, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1833] COND TRUE pended == 1 VAL [compFptr=0, compRegistered=1, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=1, pirp=0, routine=0, s=7, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1834] COND FALSE !(s == MPR3) VAL [compFptr=0, compRegistered=1, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=1, pirp=0, routine=0, s=7, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1841] COND TRUE s != UNLOADED VAL [compFptr=0, compRegistered=1, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=1, pirp=0, routine=0, s=7, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1842] COND TRUE status != -1 VAL [compFptr=0, compRegistered=1, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=1, pirp=0, routine=0, s=7, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1843] COND TRUE s != SKIP2 VAL [compFptr=0, compRegistered=1, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=1, pirp=0, routine=0, s=7, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1844] COND FALSE !(s != IPC) VAL [compFptr=0, compRegistered=1, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=1, pirp=0, routine=0, s=7, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1857] COND FALSE !(pended != 1) VAL [compFptr=0, compRegistered=1, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=1, pirp=0, routine=0, s=7, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1869] COND TRUE status != 259 VAL [compFptr=0, compRegistered=1, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=1, pirp=0, routine=0, s=7, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L59] reach_error() VAL [compFptr=0, compRegistered=1, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=1, pirp=0, routine=0, s=7, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 1717]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 780 locations, 104 error locations. Started 1 CEGAR loops. OverallTime: 10610.2ms, OverallIterations: 47, TraceHistogramMax: 1, EmptinessCheckTime: 74.6ms, AutomataDifference: 6912.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 26.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 28100 SDtfs, 14025 SDslu, 45114 SDs, 0 SdLazy, 5563 SolverSat, 750 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4291.3ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 244 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 165 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 826.1ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=914occurred in iteration=2, InterpolantAutomatonStates: 199, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 745.7ms AutomataMinimizationTime, 46 MinimizatonAttempts, 1081 StatesRemovedByMinimization, 30 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 121.0ms SsaConstructionTime, 544.8ms SatisfiabilityAnalysisTime, 1548.8ms InterpolantComputationTime, 1092 NumberOfCodeBlocks, 1092 NumberOfCodeBlocksAsserted, 47 NumberOfCheckSat, 1010 ConstructedInterpolants, 0 QuantifiedInterpolants, 3052 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 46 InterpolantComputations, 46 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-10-13 06:44:21,816 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 06:44:24,284 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 06:44:24,287 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 06:44:24,338 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 06:44:24,339 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 06:44:24,343 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 06:44:24,344 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 06:44:24,348 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 06:44:24,352 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 06:44:24,359 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 06:44:24,360 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 06:44:24,362 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 06:44:24,362 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 06:44:24,365 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 06:44:24,367 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 06:44:24,372 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 06:44:24,374 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 06:44:24,375 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 06:44:24,376 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 06:44:24,385 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 06:44:24,387 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 06:44:24,388 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 06:44:24,390 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 06:44:24,392 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 06:44:24,401 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 06:44:24,402 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 06:44:24,402 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 06:44:24,404 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 06:44:24,404 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 06:44:24,405 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 06:44:24,406 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 06:44:24,407 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 06:44:24,408 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 06:44:24,409 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 06:44:24,411 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 06:44:24,411 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 06:44:24,412 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 06:44:24,412 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 06:44:24,412 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 06:44:24,414 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 06:44:24,414 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 06:44:24,415 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2021-10-13 06:44:24,457 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 06:44:24,458 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 06:44:24,459 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 06:44:24,459 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 06:44:24,459 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 06:44:24,459 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 06:44:24,460 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 06:44:24,460 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 06:44:24,460 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 06:44:24,461 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 06:44:24,462 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 06:44:24,463 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 06:44:24,463 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 06:44:24,463 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 06:44:24,463 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 06:44:24,464 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 06:44:24,464 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 06:44:24,464 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-13 06:44:24,464 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-13 06:44:24,464 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-13 06:44:24,465 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 06:44:24,465 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 06:44:24,465 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 06:44:24,465 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 06:44:24,466 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 06:44:24,466 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 06:44:24,466 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 06:44:24,466 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 06:44:24,466 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 06:44:24,467 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 06:44:24,467 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 06:44:24,467 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 06:44:24,468 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-13 06:44:24,468 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 06:44:24,468 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 06:44:24,468 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 06:44:24,469 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 602ea7c33e3d58a05b038901c89b84d09b02e08d [2021-10-13 06:44:24,829 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 06:44:24,849 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 06:44:24,852 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 06:44:24,853 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 06:44:24,854 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 06:44:24,855 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/ntdrivers-simplified/cdaudio_simpl1.cil-1.c [2021-10-13 06:44:24,916 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/data/8877ba15d/4076012bc3b6486e8954404700d5cb4a/FLAG05922071e [2021-10-13 06:44:25,504 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 06:44:25,505 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/sv-benchmarks/c/ntdrivers-simplified/cdaudio_simpl1.cil-1.c [2021-10-13 06:44:25,528 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/data/8877ba15d/4076012bc3b6486e8954404700d5cb4a/FLAG05922071e [2021-10-13 06:44:25,748 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/data/8877ba15d/4076012bc3b6486e8954404700d5cb4a [2021-10-13 06:44:25,751 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 06:44:25,754 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 06:44:25,757 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 06:44:25,758 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 06:44:25,762 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 06:44:25,763 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:44:25" (1/1) ... [2021-10-13 06:44:25,765 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@186eb586 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:44:25, skipping insertion in model container [2021-10-13 06:44:25,766 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:44:25" (1/1) ... [2021-10-13 06:44:25,773 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 06:44:25,859 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 06:44:26,122 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/sv-benchmarks/c/ntdrivers-simplified/cdaudio_simpl1.cil-1.c[2074,2087] [2021-10-13 06:44:26,302 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 06:44:26,314 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 06:44:26,343 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/sv-benchmarks/c/ntdrivers-simplified/cdaudio_simpl1.cil-1.c[2074,2087] [2021-10-13 06:44:26,481 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 06:44:26,499 INFO L208 MainTranslator]: Completed translation [2021-10-13 06:44:26,499 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:44:26 WrapperNode [2021-10-13 06:44:26,500 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 06:44:26,501 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 06:44:26,501 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 06:44:26,501 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 06:44:26,508 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:44:26" (1/1) ... [2021-10-13 06:44:26,559 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:44:26" (1/1) ... [2021-10-13 06:44:26,761 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 06:44:26,762 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 06:44:26,763 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 06:44:26,763 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 06:44:26,771 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:44:26" (1/1) ... [2021-10-13 06:44:26,771 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:44:26" (1/1) ... [2021-10-13 06:44:26,802 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:44:26" (1/1) ... [2021-10-13 06:44:26,803 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:44:26" (1/1) ... [2021-10-13 06:44:26,868 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:44:26" (1/1) ... [2021-10-13 06:44:26,908 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:44:26" (1/1) ... [2021-10-13 06:44:26,920 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:44:26" (1/1) ... [2021-10-13 06:44:26,952 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 06:44:26,955 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 06:44:26,955 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 06:44:26,955 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 06:44:26,956 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:44:26" (1/1) ... [2021-10-13 06:44:26,964 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 06:44:27,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 06:44:27,038 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 06:44:27,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 06:44:27,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-13 06:44:27,095 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 06:44:27,095 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 06:44:27,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 06:44:27,428 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 06:44:27,429 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 06:44:27,442 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 06:44:27,449 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 06:44:27,461 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 06:44:27,465 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 06:44:27,469 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 06:44:27,475 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 06:44:27,479 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 06:44:27,482 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 06:44:27,484 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 06:44:27,486 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 06:44:27,490 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 06:44:27,494 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 06:44:27,496 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 06:44:27,498 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 06:44:27,501 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 06:44:27,504 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 06:44:27,512 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 06:44:27,515 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 06:44:27,517 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 06:44:27,520 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 06:44:27,522 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 06:44:27,524 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 06:44:27,525 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 06:44:27,528 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 06:44:27,530 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 06:44:27,532 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 06:44:27,534 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 06:44:27,538 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 06:44:27,540 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 06:44:27,543 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 06:44:27,544 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 06:44:27,546 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 06:44:27,547 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 06:44:27,571 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 06:44:27,572 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 06:44:27,574 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 06:44:27,575 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 06:44:27,577 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 06:44:27,579 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 06:44:27,581 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 06:44:27,583 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 06:44:29,872 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1271: assume false; [2021-10-13 06:44:29,872 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1272: assume !false; [2021-10-13 06:44:29,872 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##249: assume false; [2021-10-13 06:44:29,872 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##250: assume !false; [2021-10-13 06:44:29,873 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1230: assume !false; [2021-10-13 06:44:29,873 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##287: assume false; [2021-10-13 06:44:29,873 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##288: assume !false; [2021-10-13 06:44:29,873 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1229: assume false; [2021-10-13 06:44:29,873 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1210: assume false; [2021-10-13 06:44:29,873 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1211: assume !false; [2021-10-13 06:44:29,873 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##319: assume false; [2021-10-13 06:44:29,874 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##320: assume !false; [2021-10-13 06:44:29,874 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1160: assume !false; [2021-10-13 06:44:29,874 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1159: assume false; [2021-10-13 06:44:29,874 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##371: assume false; [2021-10-13 06:44:29,874 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##372: assume !false; [2021-10-13 06:44:29,874 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1108: assume false; [2021-10-13 06:44:29,875 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1109: assume !false; [2021-10-13 06:44:29,875 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##346: assume false; [2021-10-13 06:44:29,875 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##347: assume !false; [2021-10-13 06:44:29,875 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##416: assume false; [2021-10-13 06:44:29,875 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##417: assume !false; [2021-10-13 06:44:29,875 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1050: assume !false; [2021-10-13 06:44:29,876 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L305: CdAudioPnp_#res := 0bv32; [2021-10-13 06:44:29,876 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1049: assume false; [2021-10-13 06:44:29,876 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1003: assume false; [2021-10-13 06:44:29,877 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1004: assume !false; [2021-10-13 06:44:29,877 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##461: assume !false; [2021-10-13 06:44:29,877 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##460: assume false; [2021-10-13 06:44:29,878 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##487: assume !false; [2021-10-13 06:44:29,878 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##486: assume false; [2021-10-13 06:44:29,878 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##526: assume !false; [2021-10-13 06:44:29,878 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##525: assume false; [2021-10-13 06:44:29,878 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##71: assume !false; [2021-10-13 06:44:29,878 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##70: assume false; [2021-10-13 06:44:29,879 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##47: assume !false; [2021-10-13 06:44:29,879 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##46: assume false; [2021-10-13 06:44:29,879 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##25: assume !false; [2021-10-13 06:44:29,879 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##24: assume false; [2021-10-13 06:44:29,879 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume !false; [2021-10-13 06:44:29,879 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume false; [2021-10-13 06:44:29,880 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##573: assume !false; [2021-10-13 06:44:29,880 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##572: assume false; [2021-10-13 06:44:29,881 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##685: assume !false; [2021-10-13 06:44:29,881 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##684: assume false; [2021-10-13 06:44:29,881 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##609: assume false; [2021-10-13 06:44:29,881 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##610: assume !false; [2021-10-13 06:44:29,882 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##639: assume !false; [2021-10-13 06:44:29,882 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##638: assume false; [2021-10-13 06:44:29,882 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1612: assume false; [2021-10-13 06:44:29,883 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1613: assume !false; [2021-10-13 06:44:29,883 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##757: assume !false; [2021-10-13 06:44:29,883 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##756: assume false; [2021-10-13 06:44:29,883 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##717: assume !false; [2021-10-13 06:44:29,883 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##716: assume false; [2021-10-13 06:44:29,884 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1506: assume false; [2021-10-13 06:44:29,884 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1507: assume !false; [2021-10-13 06:44:29,884 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1564: assume false; [2021-10-13 06:44:29,884 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1565: assume !false; [2021-10-13 06:44:29,885 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##856: assume false; [2021-10-13 06:44:29,885 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##857: assume !false; [2021-10-13 06:44:29,885 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##801: assume false; [2021-10-13 06:44:29,885 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##802: assume !false; [2021-10-13 06:44:29,886 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##832: assume !false; [2021-10-13 06:44:29,887 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##831: assume false; [2021-10-13 06:44:29,887 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1426: assume false; [2021-10-13 06:44:29,888 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1427: assume !false; [2021-10-13 06:44:29,889 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1476: assume false; [2021-10-13 06:44:29,892 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1477: assume !false; [2021-10-13 06:44:29,892 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1398: assume false; [2021-10-13 06:44:29,892 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1399: assume !false; [2021-10-13 06:44:29,893 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##961: assume !false; [2021-10-13 06:44:29,893 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##960: assume false; [2021-10-13 06:44:29,894 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##909: assume false; [2021-10-13 06:44:29,895 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##910: assume !false; [2021-10-13 06:44:29,895 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1301: assume false; [2021-10-13 06:44:29,896 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1302: assume !false; [2021-10-13 06:44:29,902 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##188: assume !false; [2021-10-13 06:44:29,902 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##187: assume false; [2021-10-13 06:44:29,902 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##148: assume false; [2021-10-13 06:44:29,903 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##149: assume !false; [2021-10-13 06:44:29,903 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1354: assume false; [2021-10-13 06:44:29,903 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1355: assume !false; [2021-10-13 06:44:29,903 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1341: assume false; [2021-10-13 06:44:29,903 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1342: assume !false; [2021-10-13 06:44:29,903 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##111: assume false; [2021-10-13 06:44:29,904 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##112: assume !false; [2021-10-13 06:44:29,947 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 06:44:29,948 INFO L299 CfgBuilder]: Removed 555 assume(true) statements. [2021-10-13 06:44:29,951 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:44:29 BoogieIcfgContainer [2021-10-13 06:44:29,952 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 06:44:29,955 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 06:44:29,955 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 06:44:29,958 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 06:44:29,958 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 06:44:25" (1/3) ... [2021-10-13 06:44:29,959 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7dd26df9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 06:44:29, skipping insertion in model container [2021-10-13 06:44:29,959 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:44:26" (2/3) ... [2021-10-13 06:44:29,960 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7dd26df9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 06:44:29, skipping insertion in model container [2021-10-13 06:44:29,960 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:44:29" (3/3) ... [2021-10-13 06:44:29,961 INFO L111 eAbstractionObserver]: Analyzing ICFG cdaudio_simpl1.cil-1.c [2021-10-13 06:44:29,967 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 06:44:29,967 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 104 error locations. [2021-10-13 06:44:30,028 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 06:44:30,034 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-13 06:44:30,034 INFO L340 AbstractCegarLoop]: Starting to check reachability of 104 error locations. [2021-10-13 06:44:30,079 INFO L276 IsEmpty]: Start isEmpty. Operand has 1186 states, 1081 states have (on average 1.633672525439408) internal successors, (1766), 1185 states have internal predecessors, (1766), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:30,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-13 06:44:30,085 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:44:30,086 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:44:30,086 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr103ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-10-13 06:44:30,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:44:30,092 INFO L82 PathProgramCache]: Analyzing trace with hash 1805895402, now seen corresponding path program 1 times [2021-10-13 06:44:30,103 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:44:30,103 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1520812279] [2021-10-13 06:44:30,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:44:30,105 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:44:30,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:44:30,108 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:44:30,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-13 06:44:30,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:44:30,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 06:44:30,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:44:30,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:30,354 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:44:30,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:30,392 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:44:30,392 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1520812279] [2021-10-13 06:44:30,393 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1520812279] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 06:44:30,393 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:44:30,393 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-13 06:44:30,395 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808613887] [2021-10-13 06:44:30,399 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 06:44:30,404 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:44:30,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 06:44:30,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 06:44:30,436 INFO L87 Difference]: Start difference. First operand has 1186 states, 1081 states have (on average 1.633672525439408) internal successors, (1766), 1185 states have internal predecessors, (1766), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:30,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:44:30,599 INFO L93 Difference]: Finished difference Result 1191 states and 1663 transitions. [2021-10-13 06:44:30,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 06:44:30,601 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2021-10-13 06:44:30,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:44:30,640 INFO L225 Difference]: With dead ends: 1191 [2021-10-13 06:44:30,641 INFO L226 Difference]: Without dead ends: 1187 [2021-10-13 06:44:30,642 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 20.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 06:44:30,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1187 states. [2021-10-13 06:44:30,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1187 to 1184. [2021-10-13 06:44:30,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1184 states, 1080 states have (on average 1.5342592592592592) internal successors, (1657), 1183 states have internal predecessors, (1657), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:30,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1184 states to 1184 states and 1657 transitions. [2021-10-13 06:44:30,753 INFO L78 Accepts]: Start accepts. Automaton has 1184 states and 1657 transitions. Word has length 7 [2021-10-13 06:44:30,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:44:30,754 INFO L470 AbstractCegarLoop]: Abstraction has 1184 states and 1657 transitions. [2021-10-13 06:44:30,754 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:30,754 INFO L276 IsEmpty]: Start isEmpty. Operand 1184 states and 1657 transitions. [2021-10-13 06:44:30,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-13 06:44:30,755 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:44:30,755 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:44:30,777 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-13 06:44:30,966 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 06:44:30,966 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr103ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-10-13 06:44:30,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:44:30,967 INFO L82 PathProgramCache]: Analyzing trace with hash 1702263824, now seen corresponding path program 1 times [2021-10-13 06:44:30,968 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:44:30,974 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1826621414] [2021-10-13 06:44:30,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:44:30,975 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:44:30,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:44:30,976 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:44:30,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-13 06:44:31,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:44:31,116 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 06:44:31,131 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:44:31,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:31,174 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:44:31,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:31,202 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:44:31,202 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1826621414] [2021-10-13 06:44:31,203 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1826621414] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 06:44:31,203 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:44:31,203 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-13 06:44:31,203 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141445538] [2021-10-13 06:44:31,204 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 06:44:31,205 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:44:31,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 06:44:31,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 06:44:31,207 INFO L87 Difference]: Start difference. First operand 1184 states and 1657 transitions. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:31,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:44:31,331 INFO L93 Difference]: Finished difference Result 1561 states and 2180 transitions. [2021-10-13 06:44:31,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 06:44:31,332 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2021-10-13 06:44:31,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:44:31,342 INFO L225 Difference]: With dead ends: 1561 [2021-10-13 06:44:31,342 INFO L226 Difference]: Without dead ends: 1561 [2021-10-13 06:44:31,343 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.3ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 06:44:31,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1561 states. [2021-10-13 06:44:31,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1561 to 1479. [2021-10-13 06:44:31,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1479 states, 1387 states have (on average 1.532083633741889) internal successors, (2125), 1478 states have internal predecessors, (2125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:31,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1479 states to 1479 states and 2125 transitions. [2021-10-13 06:44:31,386 INFO L78 Accepts]: Start accepts. Automaton has 1479 states and 2125 transitions. Word has length 7 [2021-10-13 06:44:31,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:44:31,387 INFO L470 AbstractCegarLoop]: Abstraction has 1479 states and 2125 transitions. [2021-10-13 06:44:31,387 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:31,387 INFO L276 IsEmpty]: Start isEmpty. Operand 1479 states and 2125 transitions. [2021-10-13 06:44:31,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-13 06:44:31,388 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:44:31,388 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:44:31,402 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-13 06:44:31,598 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 06:44:31,599 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr103ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-10-13 06:44:31,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:44:31,599 INFO L82 PathProgramCache]: Analyzing trace with hash 1238468123, now seen corresponding path program 1 times [2021-10-13 06:44:31,599 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:44:31,600 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1140279471] [2021-10-13 06:44:31,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:44:31,600 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:44:31,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:44:31,601 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:44:31,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-13 06:44:31,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:44:31,723 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 06:44:31,724 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:44:31,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:31,746 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:44:31,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:31,766 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:44:31,767 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1140279471] [2021-10-13 06:44:31,767 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1140279471] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 06:44:31,767 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:44:31,767 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-13 06:44:31,768 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882981077] [2021-10-13 06:44:31,768 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 06:44:31,768 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:44:31,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 06:44:31,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 06:44:31,769 INFO L87 Difference]: Start difference. First operand 1479 states and 2125 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:31,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:44:31,798 INFO L93 Difference]: Finished difference Result 1478 states and 2124 transitions. [2021-10-13 06:44:31,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 06:44:31,800 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-10-13 06:44:31,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:44:31,808 INFO L225 Difference]: With dead ends: 1478 [2021-10-13 06:44:31,813 INFO L226 Difference]: Without dead ends: 1475 [2021-10-13 06:44:31,814 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 06:44:31,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1475 states. [2021-10-13 06:44:31,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1475 to 1475. [2021-10-13 06:44:31,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1475 states, 1384 states have (on average 1.5260115606936415) internal successors, (2112), 1474 states have internal predecessors, (2112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:31,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1475 states to 1475 states and 2112 transitions. [2021-10-13 06:44:31,910 INFO L78 Accepts]: Start accepts. Automaton has 1475 states and 2112 transitions. Word has length 8 [2021-10-13 06:44:31,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:44:31,910 INFO L470 AbstractCegarLoop]: Abstraction has 1475 states and 2112 transitions. [2021-10-13 06:44:31,911 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:31,911 INFO L276 IsEmpty]: Start isEmpty. Operand 1475 states and 2112 transitions. [2021-10-13 06:44:31,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-13 06:44:31,912 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:44:31,912 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:44:31,927 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-13 06:44:32,126 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 06:44:32,126 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr99ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-10-13 06:44:32,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:44:32,127 INFO L82 PathProgramCache]: Analyzing trace with hash -630605601, now seen corresponding path program 1 times [2021-10-13 06:44:32,127 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:44:32,128 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1734620642] [2021-10-13 06:44:32,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:44:32,128 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:44:32,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:44:32,129 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:44:32,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-13 06:44:32,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:44:32,262 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 06:44:32,263 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:44:32,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:32,300 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:44:32,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:32,333 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:44:32,334 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1734620642] [2021-10-13 06:44:32,335 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1734620642] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 06:44:32,335 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:44:32,335 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-13 06:44:32,335 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457289330] [2021-10-13 06:44:32,336 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 06:44:32,336 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:44:32,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 06:44:32,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 06:44:32,338 INFO L87 Difference]: Start difference. First operand 1475 states and 2112 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:32,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:44:32,869 INFO L93 Difference]: Finished difference Result 1478 states and 2114 transitions. [2021-10-13 06:44:32,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 06:44:32,871 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-10-13 06:44:32,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:44:32,879 INFO L225 Difference]: With dead ends: 1478 [2021-10-13 06:44:32,879 INFO L226 Difference]: Without dead ends: 1475 [2021-10-13 06:44:32,880 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 06:44:32,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1475 states. [2021-10-13 06:44:32,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1475 to 1475. [2021-10-13 06:44:32,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1475 states, 1384 states have (on average 1.5252890173410405) internal successors, (2111), 1474 states have internal predecessors, (2111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:32,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1475 states to 1475 states and 2111 transitions. [2021-10-13 06:44:32,920 INFO L78 Accepts]: Start accepts. Automaton has 1475 states and 2111 transitions. Word has length 11 [2021-10-13 06:44:32,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:44:32,920 INFO L470 AbstractCegarLoop]: Abstraction has 1475 states and 2111 transitions. [2021-10-13 06:44:32,920 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:32,921 INFO L276 IsEmpty]: Start isEmpty. Operand 1475 states and 2111 transitions. [2021-10-13 06:44:32,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-13 06:44:32,922 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:44:32,922 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:44:32,936 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-13 06:44:33,132 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 06:44:33,133 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr95ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-10-13 06:44:33,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:44:33,133 INFO L82 PathProgramCache]: Analyzing trace with hash 1724813645, now seen corresponding path program 1 times [2021-10-13 06:44:33,134 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:44:33,134 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1754097154] [2021-10-13 06:44:33,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:44:33,134 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:44:33,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:44:33,135 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:44:33,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-13 06:44:33,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:44:33,286 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 06:44:33,287 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:44:33,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:33,337 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:44:33,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:33,375 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:44:33,375 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1754097154] [2021-10-13 06:44:33,375 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1754097154] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 06:44:33,375 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:44:33,375 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-13 06:44:33,376 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518184792] [2021-10-13 06:44:33,376 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 06:44:33,376 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:44:33,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 06:44:33,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 06:44:33,378 INFO L87 Difference]: Start difference. First operand 1475 states and 2111 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:33,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:44:33,931 INFO L93 Difference]: Finished difference Result 1680 states and 2399 transitions. [2021-10-13 06:44:33,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 06:44:33,933 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-10-13 06:44:33,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:44:33,943 INFO L225 Difference]: With dead ends: 1680 [2021-10-13 06:44:33,943 INFO L226 Difference]: Without dead ends: 1679 [2021-10-13 06:44:33,943 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 06:44:33,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1679 states. [2021-10-13 06:44:33,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1679 to 1581. [2021-10-13 06:44:33,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1581 states, 1526 states have (on average 1.5072083879423328) internal successors, (2300), 1580 states have internal predecessors, (2300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:33,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1581 states to 1581 states and 2300 transitions. [2021-10-13 06:44:33,987 INFO L78 Accepts]: Start accepts. Automaton has 1581 states and 2300 transitions. Word has length 12 [2021-10-13 06:44:33,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:44:33,988 INFO L470 AbstractCegarLoop]: Abstraction has 1581 states and 2300 transitions. [2021-10-13 06:44:33,988 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:33,988 INFO L276 IsEmpty]: Start isEmpty. Operand 1581 states and 2300 transitions. [2021-10-13 06:44:33,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-13 06:44:33,989 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:44:33,990 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:44:34,004 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-13 06:44:34,200 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 06:44:34,201 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-10-13 06:44:34,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:44:34,202 INFO L82 PathProgramCache]: Analyzing trace with hash 375851837, now seen corresponding path program 1 times [2021-10-13 06:44:34,202 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:44:34,202 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [549809299] [2021-10-13 06:44:34,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:44:34,203 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:44:34,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:44:34,204 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:44:34,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-13 06:44:34,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:44:34,356 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 06:44:34,357 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:44:34,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:34,411 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:44:34,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:34,459 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:44:34,459 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [549809299] [2021-10-13 06:44:34,460 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [549809299] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 06:44:34,460 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:44:34,460 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-13 06:44:34,461 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311356990] [2021-10-13 06:44:34,461 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 06:44:34,461 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:44:34,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 06:44:34,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 06:44:34,462 INFO L87 Difference]: Start difference. First operand 1581 states and 2300 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:34,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:44:34,516 INFO L93 Difference]: Finished difference Result 1436 states and 2060 transitions. [2021-10-13 06:44:34,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 06:44:34,517 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2021-10-13 06:44:34,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:44:34,525 INFO L225 Difference]: With dead ends: 1436 [2021-10-13 06:44:34,525 INFO L226 Difference]: Without dead ends: 1436 [2021-10-13 06:44:34,526 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 06:44:34,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1436 states. [2021-10-13 06:44:34,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1436 to 1257. [2021-10-13 06:44:34,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1257 states, 1214 states have (on average 1.4950576606260297) internal successors, (1815), 1256 states have internal predecessors, (1815), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:34,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1257 states to 1257 states and 1815 transitions. [2021-10-13 06:44:34,566 INFO L78 Accepts]: Start accepts. Automaton has 1257 states and 1815 transitions. Word has length 14 [2021-10-13 06:44:34,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:44:34,567 INFO L470 AbstractCegarLoop]: Abstraction has 1257 states and 1815 transitions. [2021-10-13 06:44:34,567 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:34,567 INFO L276 IsEmpty]: Start isEmpty. Operand 1257 states and 1815 transitions. [2021-10-13 06:44:34,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-13 06:44:34,574 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:44:34,574 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:44:34,592 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-13 06:44:34,785 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 06:44:34,785 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-10-13 06:44:34,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:44:34,786 INFO L82 PathProgramCache]: Analyzing trace with hash -1788319990, now seen corresponding path program 1 times [2021-10-13 06:44:34,786 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:44:34,786 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [997514391] [2021-10-13 06:44:34,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:44:34,787 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:44:34,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:44:34,788 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:44:34,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-13 06:44:34,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:44:34,940 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 06:44:34,942 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:44:35,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:35,110 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:44:35,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:35,174 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:44:35,175 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [997514391] [2021-10-13 06:44:35,175 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [997514391] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 06:44:35,175 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:44:35,175 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-10-13 06:44:35,175 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604520255] [2021-10-13 06:44:35,176 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-13 06:44:35,176 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:44:35,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 06:44:35,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-13 06:44:35,177 INFO L87 Difference]: Start difference. First operand 1257 states and 1815 transitions. Second operand has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:35,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:44:35,789 INFO L93 Difference]: Finished difference Result 1336 states and 1874 transitions. [2021-10-13 06:44:35,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 06:44:35,789 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-10-13 06:44:35,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:44:35,800 INFO L225 Difference]: With dead ends: 1336 [2021-10-13 06:44:35,801 INFO L226 Difference]: Without dead ends: 1336 [2021-10-13 06:44:35,801 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 39.4ms TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-10-13 06:44:35,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1336 states. [2021-10-13 06:44:35,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1336 to 1227. [2021-10-13 06:44:35,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1227 states, 1206 states have (on average 1.4469320066334992) internal successors, (1745), 1226 states have internal predecessors, (1745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:35,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1227 states to 1227 states and 1745 transitions. [2021-10-13 06:44:35,833 INFO L78 Accepts]: Start accepts. Automaton has 1227 states and 1745 transitions. Word has length 16 [2021-10-13 06:44:35,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:44:35,834 INFO L470 AbstractCegarLoop]: Abstraction has 1227 states and 1745 transitions. [2021-10-13 06:44:35,834 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:35,834 INFO L276 IsEmpty]: Start isEmpty. Operand 1227 states and 1745 transitions. [2021-10-13 06:44:35,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-13 06:44:35,835 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:44:35,836 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:44:35,850 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-10-13 06:44:36,047 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 06:44:36,048 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-10-13 06:44:36,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:44:36,048 INFO L82 PathProgramCache]: Analyzing trace with hash 2053267823, now seen corresponding path program 1 times [2021-10-13 06:44:36,049 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:44:36,049 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1493975773] [2021-10-13 06:44:36,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:44:36,049 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:44:36,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:44:36,050 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:44:36,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-10-13 06:44:36,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:44:36,198 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 06:44:36,199 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:44:36,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:36,247 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:44:36,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:36,293 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:44:36,293 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1493975773] [2021-10-13 06:44:36,294 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1493975773] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 06:44:36,294 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:44:36,294 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-13 06:44:36,294 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191407127] [2021-10-13 06:44:36,295 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 06:44:36,295 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:44:36,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 06:44:36,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 06:44:36,296 INFO L87 Difference]: Start difference. First operand 1227 states and 1745 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:36,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:44:36,617 INFO L93 Difference]: Finished difference Result 1209 states and 1727 transitions. [2021-10-13 06:44:36,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 06:44:36,617 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2021-10-13 06:44:36,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:44:36,624 INFO L225 Difference]: With dead ends: 1209 [2021-10-13 06:44:36,624 INFO L226 Difference]: Without dead ends: 1209 [2021-10-13 06:44:36,624 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 06:44:36,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1209 states. [2021-10-13 06:44:36,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1209 to 1209. [2021-10-13 06:44:36,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1209 states, 1197 states have (on average 1.4427736006683376) internal successors, (1727), 1208 states have internal predecessors, (1727), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:36,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1209 states to 1209 states and 1727 transitions. [2021-10-13 06:44:36,652 INFO L78 Accepts]: Start accepts. Automaton has 1209 states and 1727 transitions. Word has length 20 [2021-10-13 06:44:36,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:44:36,654 INFO L470 AbstractCegarLoop]: Abstraction has 1209 states and 1727 transitions. [2021-10-13 06:44:36,654 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:36,654 INFO L276 IsEmpty]: Start isEmpty. Operand 1209 states and 1727 transitions. [2021-10-13 06:44:36,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-13 06:44:36,656 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:44:36,656 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:44:36,669 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-10-13 06:44:36,867 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 06:44:36,868 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-10-13 06:44:36,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:44:36,869 INFO L82 PathProgramCache]: Analyzing trace with hash 85424501, now seen corresponding path program 1 times [2021-10-13 06:44:36,869 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:44:36,869 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [47097262] [2021-10-13 06:44:36,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:44:36,870 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:44:36,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:44:36,871 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:44:36,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-10-13 06:44:37,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:44:37,035 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 06:44:37,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:44:37,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:37,097 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:44:37,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:37,164 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:44:37,164 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [47097262] [2021-10-13 06:44:37,164 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [47097262] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 06:44:37,164 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:44:37,165 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-13 06:44:37,165 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067437635] [2021-10-13 06:44:37,165 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 06:44:37,165 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:44:37,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 06:44:37,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 06:44:37,166 INFO L87 Difference]: Start difference. First operand 1209 states and 1727 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:37,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:44:37,209 INFO L93 Difference]: Finished difference Result 1038 states and 1460 transitions. [2021-10-13 06:44:37,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 06:44:37,210 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-10-13 06:44:37,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:44:37,216 INFO L225 Difference]: With dead ends: 1038 [2021-10-13 06:44:37,216 INFO L226 Difference]: Without dead ends: 1038 [2021-10-13 06:44:37,216 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 06:44:37,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1038 states. [2021-10-13 06:44:37,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1038 to 992. [2021-10-13 06:44:37,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 992 states, 980 states have (on average 1.4306122448979592) internal successors, (1402), 991 states have internal predecessors, (1402), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:37,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 992 states to 992 states and 1402 transitions. [2021-10-13 06:44:37,240 INFO L78 Accepts]: Start accepts. Automaton has 992 states and 1402 transitions. Word has length 25 [2021-10-13 06:44:37,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:44:37,240 INFO L470 AbstractCegarLoop]: Abstraction has 992 states and 1402 transitions. [2021-10-13 06:44:37,240 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:37,241 INFO L276 IsEmpty]: Start isEmpty. Operand 992 states and 1402 transitions. [2021-10-13 06:44:37,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-13 06:44:37,242 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:44:37,243 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:44:37,261 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-10-13 06:44:37,454 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 06:44:37,455 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-10-13 06:44:37,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:44:37,455 INFO L82 PathProgramCache]: Analyzing trace with hash -1013203817, now seen corresponding path program 1 times [2021-10-13 06:44:37,456 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:44:37,456 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [366217077] [2021-10-13 06:44:37,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:44:37,456 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:44:37,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:44:37,457 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:44:37,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-10-13 06:44:37,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:44:37,660 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 06:44:37,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:44:37,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:37,715 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:44:37,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:37,767 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:44:37,768 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [366217077] [2021-10-13 06:44:37,768 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [366217077] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 06:44:37,768 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:44:37,768 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-13 06:44:37,768 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874968446] [2021-10-13 06:44:37,770 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 06:44:37,770 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:44:37,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 06:44:37,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 06:44:37,771 INFO L87 Difference]: Start difference. First operand 992 states and 1402 transitions. Second operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:37,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:44:37,816 INFO L93 Difference]: Finished difference Result 1014 states and 1423 transitions. [2021-10-13 06:44:37,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 06:44:37,817 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-10-13 06:44:37,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:44:37,822 INFO L225 Difference]: With dead ends: 1014 [2021-10-13 06:44:37,823 INFO L226 Difference]: Without dead ends: 1014 [2021-10-13 06:44:37,823 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.7ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 06:44:37,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1014 states. [2021-10-13 06:44:37,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1014 to 992. [2021-10-13 06:44:37,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 992 states, 980 states have (on average 1.4275510204081632) internal successors, (1399), 991 states have internal predecessors, (1399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:37,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 992 states to 992 states and 1399 transitions. [2021-10-13 06:44:37,845 INFO L78 Accepts]: Start accepts. Automaton has 992 states and 1399 transitions. Word has length 25 [2021-10-13 06:44:37,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:44:37,847 INFO L470 AbstractCegarLoop]: Abstraction has 992 states and 1399 transitions. [2021-10-13 06:44:37,848 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:37,848 INFO L276 IsEmpty]: Start isEmpty. Operand 992 states and 1399 transitions. [2021-10-13 06:44:37,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-13 06:44:37,850 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:44:37,850 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:44:37,868 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-10-13 06:44:38,061 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 06:44:38,062 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-10-13 06:44:38,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:44:38,062 INFO L82 PathProgramCache]: Analyzing trace with hash -105580495, now seen corresponding path program 1 times [2021-10-13 06:44:38,063 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:44:38,064 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [231329160] [2021-10-13 06:44:38,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:44:38,064 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:44:38,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:44:38,065 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:44:38,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-10-13 06:44:38,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:44:38,269 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 06:44:38,271 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:44:38,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:38,338 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:44:38,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:38,388 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:44:38,388 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [231329160] [2021-10-13 06:44:38,388 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [231329160] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 06:44:38,389 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:44:38,389 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-13 06:44:38,389 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075798153] [2021-10-13 06:44:38,389 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 06:44:38,390 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:44:38,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 06:44:38,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 06:44:38,392 INFO L87 Difference]: Start difference. First operand 992 states and 1399 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:38,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:44:38,702 INFO L93 Difference]: Finished difference Result 982 states and 1384 transitions. [2021-10-13 06:44:38,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 06:44:38,703 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2021-10-13 06:44:38,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:44:38,709 INFO L225 Difference]: With dead ends: 982 [2021-10-13 06:44:38,709 INFO L226 Difference]: Without dead ends: 982 [2021-10-13 06:44:38,709 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 06:44:38,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 982 states. [2021-10-13 06:44:38,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 982 to 982. [2021-10-13 06:44:38,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 982 states, 973 states have (on average 1.4224049331963) internal successors, (1384), 981 states have internal predecessors, (1384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:38,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 982 states to 982 states and 1384 transitions. [2021-10-13 06:44:38,731 INFO L78 Accepts]: Start accepts. Automaton has 982 states and 1384 transitions. Word has length 27 [2021-10-13 06:44:38,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:44:38,732 INFO L470 AbstractCegarLoop]: Abstraction has 982 states and 1384 transitions. [2021-10-13 06:44:38,732 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:38,732 INFO L276 IsEmpty]: Start isEmpty. Operand 982 states and 1384 transitions. [2021-10-13 06:44:38,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-10-13 06:44:38,735 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:44:38,735 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:44:38,752 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-10-13 06:44:38,947 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 06:44:38,948 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr99ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-10-13 06:44:38,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:44:38,948 INFO L82 PathProgramCache]: Analyzing trace with hash 333752835, now seen corresponding path program 1 times [2021-10-13 06:44:38,948 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:44:38,949 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [191291922] [2021-10-13 06:44:38,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:44:38,949 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:44:38,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:44:38,949 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:44:38,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-10-13 06:44:39,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:44:39,136 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 06:44:39,138 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:44:39,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:39,291 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:44:39,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:39,382 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:44:39,382 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [191291922] [2021-10-13 06:44:39,382 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [191291922] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 06:44:39,382 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:44:39,383 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-10-13 06:44:39,383 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098099916] [2021-10-13 06:44:39,384 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-13 06:44:39,384 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:44:39,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 06:44:39,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-13 06:44:39,386 INFO L87 Difference]: Start difference. First operand 982 states and 1384 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:39,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:44:39,769 INFO L93 Difference]: Finished difference Result 997 states and 1391 transitions. [2021-10-13 06:44:39,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 06:44:39,770 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2021-10-13 06:44:39,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:44:39,775 INFO L225 Difference]: With dead ends: 997 [2021-10-13 06:44:39,776 INFO L226 Difference]: Without dead ends: 997 [2021-10-13 06:44:39,776 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 38.7ms TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-10-13 06:44:39,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 997 states. [2021-10-13 06:44:39,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 997 to 982. [2021-10-13 06:44:39,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 982 states, 973 states have (on average 1.4131551901336075) internal successors, (1375), 981 states have internal predecessors, (1375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:39,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 982 states to 982 states and 1375 transitions. [2021-10-13 06:44:39,804 INFO L78 Accepts]: Start accepts. Automaton has 982 states and 1375 transitions. Word has length 29 [2021-10-13 06:44:39,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:44:39,805 INFO L470 AbstractCegarLoop]: Abstraction has 982 states and 1375 transitions. [2021-10-13 06:44:39,805 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:39,805 INFO L276 IsEmpty]: Start isEmpty. Operand 982 states and 1375 transitions. [2021-10-13 06:44:39,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-10-13 06:44:39,809 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:44:39,809 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:44:39,833 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (13)] Ended with exit code 0 [2021-10-13 06:44:40,033 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 06:44:40,033 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr99ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-10-13 06:44:40,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:44:40,034 INFO L82 PathProgramCache]: Analyzing trace with hash -1053614682, now seen corresponding path program 1 times [2021-10-13 06:44:40,034 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:44:40,034 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1344581694] [2021-10-13 06:44:40,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:44:40,034 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:44:40,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:44:40,036 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:44:40,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-10-13 06:44:40,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:44:40,296 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-13 06:44:40,297 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:44:40,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:40,363 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:44:40,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:40,429 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:44:40,429 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1344581694] [2021-10-13 06:44:40,429 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1344581694] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 06:44:40,429 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:44:40,431 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-10-13 06:44:40,432 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623497199] [2021-10-13 06:44:40,432 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-13 06:44:40,432 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:44:40,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 06:44:40,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-13 06:44:40,434 INFO L87 Difference]: Start difference. First operand 982 states and 1375 transitions. Second operand has 6 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:40,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:44:40,620 INFO L93 Difference]: Finished difference Result 1103 states and 1515 transitions. [2021-10-13 06:44:40,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-13 06:44:40,620 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-10-13 06:44:40,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:44:40,626 INFO L225 Difference]: With dead ends: 1103 [2021-10-13 06:44:40,626 INFO L226 Difference]: Without dead ends: 1103 [2021-10-13 06:44:40,627 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 25.3ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-13 06:44:40,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1103 states. [2021-10-13 06:44:40,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1103 to 988. [2021-10-13 06:44:40,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 988 states, 979 states have (on average 1.4136874361593463) internal successors, (1384), 987 states have internal predecessors, (1384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:40,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 988 states to 988 states and 1384 transitions. [2021-10-13 06:44:40,648 INFO L78 Accepts]: Start accepts. Automaton has 988 states and 1384 transitions. Word has length 30 [2021-10-13 06:44:40,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:44:40,648 INFO L470 AbstractCegarLoop]: Abstraction has 988 states and 1384 transitions. [2021-10-13 06:44:40,648 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:40,649 INFO L276 IsEmpty]: Start isEmpty. Operand 988 states and 1384 transitions. [2021-10-13 06:44:40,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-10-13 06:44:40,651 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:44:40,651 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:44:40,665 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-10-13 06:44:40,862 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 06:44:40,862 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr99ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-10-13 06:44:40,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:44:40,863 INFO L82 PathProgramCache]: Analyzing trace with hash -2074683036, now seen corresponding path program 1 times [2021-10-13 06:44:40,863 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:44:40,863 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1051177635] [2021-10-13 06:44:40,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:44:40,864 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:44:40,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:44:40,866 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:44:40,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-10-13 06:44:41,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:44:41,090 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 06:44:41,091 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:44:41,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:41,175 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:44:41,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:41,241 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:44:41,241 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1051177635] [2021-10-13 06:44:41,241 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1051177635] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 06:44:41,241 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:44:41,241 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-13 06:44:41,242 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865140504] [2021-10-13 06:44:41,242 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 06:44:41,242 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:44:41,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 06:44:41,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 06:44:41,243 INFO L87 Difference]: Start difference. First operand 988 states and 1384 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:41,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:44:41,512 INFO L93 Difference]: Finished difference Result 1008 states and 1407 transitions. [2021-10-13 06:44:41,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 06:44:41,513 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-10-13 06:44:41,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:44:41,518 INFO L225 Difference]: With dead ends: 1008 [2021-10-13 06:44:41,518 INFO L226 Difference]: Without dead ends: 1008 [2021-10-13 06:44:41,518 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 06:44:41,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1008 states. [2021-10-13 06:44:41,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1008 to 1005. [2021-10-13 06:44:41,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1005 states, 996 states have (on average 1.4106425702811245) internal successors, (1405), 1004 states have internal predecessors, (1405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:41,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1005 states to 1005 states and 1405 transitions. [2021-10-13 06:44:41,537 INFO L78 Accepts]: Start accepts. Automaton has 1005 states and 1405 transitions. Word has length 30 [2021-10-13 06:44:41,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:44:41,538 INFO L470 AbstractCegarLoop]: Abstraction has 1005 states and 1405 transitions. [2021-10-13 06:44:41,538 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:41,538 INFO L276 IsEmpty]: Start isEmpty. Operand 1005 states and 1405 transitions. [2021-10-13 06:44:41,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-13 06:44:41,540 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:44:41,540 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:44:41,555 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (15)] Ended with exit code 0 [2021-10-13 06:44:41,751 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 06:44:41,751 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-10-13 06:44:41,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:44:41,752 INFO L82 PathProgramCache]: Analyzing trace with hash 126548072, now seen corresponding path program 1 times [2021-10-13 06:44:41,752 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:44:41,753 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [64419383] [2021-10-13 06:44:41,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:44:41,753 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:44:41,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:44:41,754 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:44:41,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-10-13 06:44:42,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:44:42,016 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 06:44:42,017 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:44:42,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:42,243 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:44:42,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:42,351 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:44:42,351 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [64419383] [2021-10-13 06:44:42,351 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [64419383] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 06:44:42,351 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:44:42,351 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-10-13 06:44:42,351 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163972656] [2021-10-13 06:44:42,352 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-13 06:44:42,352 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:44:42,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 06:44:42,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-13 06:44:42,353 INFO L87 Difference]: Start difference. First operand 1005 states and 1405 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:42,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:44:42,678 INFO L93 Difference]: Finished difference Result 1017 states and 1415 transitions. [2021-10-13 06:44:42,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 06:44:42,678 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2021-10-13 06:44:42,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:44:42,683 INFO L225 Difference]: With dead ends: 1017 [2021-10-13 06:44:42,683 INFO L226 Difference]: Without dead ends: 1017 [2021-10-13 06:44:42,684 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 41.6ms TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-10-13 06:44:42,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1017 states. [2021-10-13 06:44:42,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1017 to 1005. [2021-10-13 06:44:42,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1005 states, 996 states have (on average 1.4096385542168675) internal successors, (1404), 1004 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:42,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1005 states to 1005 states and 1404 transitions. [2021-10-13 06:44:42,703 INFO L78 Accepts]: Start accepts. Automaton has 1005 states and 1404 transitions. Word has length 31 [2021-10-13 06:44:42,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:44:42,704 INFO L470 AbstractCegarLoop]: Abstraction has 1005 states and 1404 transitions. [2021-10-13 06:44:42,704 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:42,704 INFO L276 IsEmpty]: Start isEmpty. Operand 1005 states and 1404 transitions. [2021-10-13 06:44:42,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-13 06:44:42,706 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:44:42,706 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:44:42,722 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2021-10-13 06:44:42,918 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 06:44:42,919 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-10-13 06:44:42,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:44:42,919 INFO L82 PathProgramCache]: Analyzing trace with hash -1557214583, now seen corresponding path program 1 times [2021-10-13 06:44:42,919 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:44:42,920 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [705276625] [2021-10-13 06:44:42,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:44:42,920 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:44:42,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:44:42,921 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:44:42,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2021-10-13 06:44:43,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:44:43,181 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 06:44:43,182 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:44:43,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:43,275 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:44:43,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:43,341 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:44:43,341 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [705276625] [2021-10-13 06:44:43,341 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [705276625] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 06:44:43,341 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:44:43,341 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-13 06:44:43,341 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022478059] [2021-10-13 06:44:43,342 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 06:44:43,342 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:44:43,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 06:44:43,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 06:44:43,343 INFO L87 Difference]: Start difference. First operand 1005 states and 1404 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:43,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:44:43,446 INFO L93 Difference]: Finished difference Result 1081 states and 1490 transitions. [2021-10-13 06:44:43,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 06:44:43,447 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2021-10-13 06:44:43,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:44:43,461 INFO L225 Difference]: With dead ends: 1081 [2021-10-13 06:44:43,461 INFO L226 Difference]: Without dead ends: 1081 [2021-10-13 06:44:43,461 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 28.5ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-13 06:44:43,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1081 states. [2021-10-13 06:44:43,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1081 to 993. [2021-10-13 06:44:43,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 993 states, 984 states have (on average 1.4065040650406504) internal successors, (1384), 992 states have internal predecessors, (1384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:43,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 993 states to 993 states and 1384 transitions. [2021-10-13 06:44:43,482 INFO L78 Accepts]: Start accepts. Automaton has 993 states and 1384 transitions. Word has length 31 [2021-10-13 06:44:43,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:44:43,482 INFO L470 AbstractCegarLoop]: Abstraction has 993 states and 1384 transitions. [2021-10-13 06:44:43,482 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:43,483 INFO L276 IsEmpty]: Start isEmpty. Operand 993 states and 1384 transitions. [2021-10-13 06:44:43,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-13 06:44:43,485 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:44:43,485 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:44:43,497 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (17)] Ended with exit code 0 [2021-10-13 06:44:43,697 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 06:44:43,697 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr99ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-10-13 06:44:43,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:44:43,697 INFO L82 PathProgramCache]: Analyzing trace with hash 1095917288, now seen corresponding path program 1 times [2021-10-13 06:44:43,698 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:44:43,698 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [3947357] [2021-10-13 06:44:43,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:44:43,698 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:44:43,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:44:43,699 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:44:43,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2021-10-13 06:44:43,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:44:43,947 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 06:44:43,948 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:44:44,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:44,015 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:44:44,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:44,076 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:44:44,076 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [3947357] [2021-10-13 06:44:44,076 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [3947357] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 06:44:44,076 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:44:44,076 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-13 06:44:44,076 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102210983] [2021-10-13 06:44:44,077 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 06:44:44,077 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:44:44,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 06:44:44,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 06:44:44,078 INFO L87 Difference]: Start difference. First operand 993 states and 1384 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:44,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:44:44,321 INFO L93 Difference]: Finished difference Result 1045 states and 1436 transitions. [2021-10-13 06:44:44,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 06:44:44,322 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2021-10-13 06:44:44,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:44:44,326 INFO L225 Difference]: With dead ends: 1045 [2021-10-13 06:44:44,326 INFO L226 Difference]: Without dead ends: 1045 [2021-10-13 06:44:44,326 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 06:44:44,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1045 states. [2021-10-13 06:44:44,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1045 to 1033. [2021-10-13 06:44:44,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1033 states, 1024 states have (on average 1.3916015625) internal successors, (1425), 1032 states have internal predecessors, (1425), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:44,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1033 states to 1033 states and 1425 transitions. [2021-10-13 06:44:44,345 INFO L78 Accepts]: Start accepts. Automaton has 1033 states and 1425 transitions. Word has length 31 [2021-10-13 06:44:44,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:44:44,346 INFO L470 AbstractCegarLoop]: Abstraction has 1033 states and 1425 transitions. [2021-10-13 06:44:44,346 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:44,346 INFO L276 IsEmpty]: Start isEmpty. Operand 1033 states and 1425 transitions. [2021-10-13 06:44:44,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-13 06:44:44,348 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:44:44,348 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:44:44,368 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2021-10-13 06:44:44,560 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 06:44:44,560 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr99ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-10-13 06:44:44,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:44:44,561 INFO L82 PathProgramCache]: Analyzing trace with hash -1102324248, now seen corresponding path program 1 times [2021-10-13 06:44:44,561 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:44:44,561 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2091951131] [2021-10-13 06:44:44,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:44:44,561 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:44:44,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:44:44,562 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:44:44,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2021-10-13 06:44:44,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:44:44,833 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 06:44:44,835 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:44:44,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:44,986 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:44:45,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:45,073 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:44:45,073 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2091951131] [2021-10-13 06:44:45,073 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2091951131] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 06:44:45,073 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:44:45,073 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-10-13 06:44:45,075 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82542034] [2021-10-13 06:44:45,075 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-13 06:44:45,076 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:44:45,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 06:44:45,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-13 06:44:45,076 INFO L87 Difference]: Start difference. First operand 1033 states and 1425 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:45,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:44:45,334 INFO L93 Difference]: Finished difference Result 993 states and 1367 transitions. [2021-10-13 06:44:45,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 06:44:45,335 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2021-10-13 06:44:45,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:44:45,338 INFO L225 Difference]: With dead ends: 993 [2021-10-13 06:44:45,338 INFO L226 Difference]: Without dead ends: 993 [2021-10-13 06:44:45,339 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 35.9ms TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-10-13 06:44:45,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 993 states. [2021-10-13 06:44:45,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 993 to 993. [2021-10-13 06:44:45,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 993 states, 984 states have (on average 1.3892276422764227) internal successors, (1367), 992 states have internal predecessors, (1367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:45,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 993 states to 993 states and 1367 transitions. [2021-10-13 06:44:45,353 INFO L78 Accepts]: Start accepts. Automaton has 993 states and 1367 transitions. Word has length 31 [2021-10-13 06:44:45,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:44:45,353 INFO L470 AbstractCegarLoop]: Abstraction has 993 states and 1367 transitions. [2021-10-13 06:44:45,353 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:45,354 INFO L276 IsEmpty]: Start isEmpty. Operand 993 states and 1367 transitions. [2021-10-13 06:44:45,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-13 06:44:45,355 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:44:45,356 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:44:45,371 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2021-10-13 06:44:45,567 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 06:44:45,569 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-10-13 06:44:45,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:44:45,570 INFO L82 PathProgramCache]: Analyzing trace with hash -893854285, now seen corresponding path program 1 times [2021-10-13 06:44:45,571 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:44:45,571 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2030124427] [2021-10-13 06:44:45,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:44:45,572 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:44:45,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:44:45,574 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:44:45,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2021-10-13 06:44:45,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:44:45,880 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 06:44:45,881 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:44:46,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:46,104 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:44:46,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:46,225 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:44:46,225 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2030124427] [2021-10-13 06:44:46,225 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2030124427] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 06:44:46,225 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:44:46,225 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-10-13 06:44:46,226 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578093112] [2021-10-13 06:44:46,226 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-13 06:44:46,226 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:44:46,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 06:44:46,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-13 06:44:46,227 INFO L87 Difference]: Start difference. First operand 993 states and 1367 transitions. Second operand has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:46,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:44:46,580 INFO L93 Difference]: Finished difference Result 1129 states and 1549 transitions. [2021-10-13 06:44:46,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 06:44:46,581 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-10-13 06:44:46,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:44:46,585 INFO L225 Difference]: With dead ends: 1129 [2021-10-13 06:44:46,585 INFO L226 Difference]: Without dead ends: 1127 [2021-10-13 06:44:46,585 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 35.9ms TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-10-13 06:44:46,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1127 states. [2021-10-13 06:44:46,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1127 to 1022. [2021-10-13 06:44:46,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1022 states, 1013 states have (on average 1.3840078973346495) internal successors, (1402), 1021 states have internal predecessors, (1402), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:46,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1022 states to 1022 states and 1402 transitions. [2021-10-13 06:44:46,604 INFO L78 Accepts]: Start accepts. Automaton has 1022 states and 1402 transitions. Word has length 32 [2021-10-13 06:44:46,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:44:46,605 INFO L470 AbstractCegarLoop]: Abstraction has 1022 states and 1402 transitions. [2021-10-13 06:44:46,605 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:46,605 INFO L276 IsEmpty]: Start isEmpty. Operand 1022 states and 1402 transitions. [2021-10-13 06:44:46,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-13 06:44:46,607 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:44:46,607 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:44:46,615 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (20)] Forceful destruction successful, exit code 0 [2021-10-13 06:44:46,808 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 06:44:46,808 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-10-13 06:44:46,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:44:46,809 INFO L82 PathProgramCache]: Analyzing trace with hash 1174449588, now seen corresponding path program 1 times [2021-10-13 06:44:46,809 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:44:46,809 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [397832566] [2021-10-13 06:44:46,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:44:46,809 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:44:46,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:44:46,810 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:44:46,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2021-10-13 06:44:47,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:44:47,126 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 06:44:47,127 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:44:47,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:47,318 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:44:47,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:47,407 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:44:47,407 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [397832566] [2021-10-13 06:44:47,407 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [397832566] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 06:44:47,407 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:44:47,407 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-10-13 06:44:47,407 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124651583] [2021-10-13 06:44:47,407 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-13 06:44:47,407 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:44:47,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 06:44:47,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-13 06:44:47,408 INFO L87 Difference]: Start difference. First operand 1022 states and 1402 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:47,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:44:47,757 INFO L93 Difference]: Finished difference Result 1045 states and 1423 transitions. [2021-10-13 06:44:47,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 06:44:47,757 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-10-13 06:44:47,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:44:47,761 INFO L225 Difference]: With dead ends: 1045 [2021-10-13 06:44:47,761 INFO L226 Difference]: Without dead ends: 1045 [2021-10-13 06:44:47,762 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 30.7ms TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-10-13 06:44:47,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1045 states. [2021-10-13 06:44:47,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1045 to 1022. [2021-10-13 06:44:47,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1022 states, 1013 states have (on average 1.3800592300098717) internal successors, (1398), 1021 states have internal predecessors, (1398), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:47,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1022 states to 1022 states and 1398 transitions. [2021-10-13 06:44:47,776 INFO L78 Accepts]: Start accepts. Automaton has 1022 states and 1398 transitions. Word has length 32 [2021-10-13 06:44:47,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:44:47,776 INFO L470 AbstractCegarLoop]: Abstraction has 1022 states and 1398 transitions. [2021-10-13 06:44:47,776 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:47,776 INFO L276 IsEmpty]: Start isEmpty. Operand 1022 states and 1398 transitions. [2021-10-13 06:44:47,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-13 06:44:47,778 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:44:47,779 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:44:47,790 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (21)] Forceful destruction successful, exit code 0 [2021-10-13 06:44:47,985 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 06:44:47,985 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr101ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-10-13 06:44:47,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:44:47,986 INFO L82 PathProgramCache]: Analyzing trace with hash -369077776, now seen corresponding path program 1 times [2021-10-13 06:44:47,986 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:44:47,986 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [695338240] [2021-10-13 06:44:47,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:44:47,987 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:44:47,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:44:47,987 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:44:47,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2021-10-13 06:44:48,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:44:48,296 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-13 06:44:48,297 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:44:48,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:48,467 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:44:48,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:48,594 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:44:48,594 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [695338240] [2021-10-13 06:44:48,594 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [695338240] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 06:44:48,594 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:44:48,594 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 6] imperfect sequences [] total 11 [2021-10-13 06:44:48,594 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120181563] [2021-10-13 06:44:48,594 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-13 06:44:48,595 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:44:48,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-13 06:44:48,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-10-13 06:44:48,595 INFO L87 Difference]: Start difference. First operand 1022 states and 1398 transitions. Second operand has 11 states, 11 states have (on average 4.363636363636363) internal successors, (48), 11 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:48,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:44:48,855 INFO L93 Difference]: Finished difference Result 1050 states and 1426 transitions. [2021-10-13 06:44:48,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-13 06:44:48,856 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.363636363636363) internal successors, (48), 11 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-10-13 06:44:48,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:44:48,861 INFO L225 Difference]: With dead ends: 1050 [2021-10-13 06:44:48,861 INFO L226 Difference]: Without dead ends: 1032 [2021-10-13 06:44:48,862 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 160.6ms TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2021-10-13 06:44:48,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1032 states. [2021-10-13 06:44:48,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1032 to 1027. [2021-10-13 06:44:48,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1027 states, 1018 states have (on average 1.3781925343811394) internal successors, (1403), 1026 states have internal predecessors, (1403), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:48,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1027 states to 1027 states and 1403 transitions. [2021-10-13 06:44:48,879 INFO L78 Accepts]: Start accepts. Automaton has 1027 states and 1403 transitions. Word has length 32 [2021-10-13 06:44:48,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:44:48,880 INFO L470 AbstractCegarLoop]: Abstraction has 1027 states and 1403 transitions. [2021-10-13 06:44:48,880 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.363636363636363) internal successors, (48), 11 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:48,881 INFO L276 IsEmpty]: Start isEmpty. Operand 1027 states and 1403 transitions. [2021-10-13 06:44:48,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-13 06:44:48,883 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:44:48,883 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:44:48,893 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (22)] Ended with exit code 0 [2021-10-13 06:44:49,092 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 06:44:49,092 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-10-13 06:44:49,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:44:49,092 INFO L82 PathProgramCache]: Analyzing trace with hash 2002415359, now seen corresponding path program 1 times [2021-10-13 06:44:49,092 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:44:49,093 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2080145332] [2021-10-13 06:44:49,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:44:49,093 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:44:49,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:44:49,095 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:44:49,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2021-10-13 06:44:49,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:44:49,438 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-13 06:44:49,439 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:44:49,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:49,565 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:44:49,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:49,673 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:44:49,674 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2080145332] [2021-10-13 06:44:49,674 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2080145332] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 06:44:49,674 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:44:49,674 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 12 [2021-10-13 06:44:49,674 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655654160] [2021-10-13 06:44:49,674 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-10-13 06:44:49,674 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:44:49,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-10-13 06:44:49,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2021-10-13 06:44:49,675 INFO L87 Difference]: Start difference. First operand 1027 states and 1403 transitions. Second operand has 12 states, 12 states have (on average 4.416666666666667) internal successors, (53), 12 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:50,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:44:50,008 INFO L93 Difference]: Finished difference Result 1087 states and 1472 transitions. [2021-10-13 06:44:50,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-13 06:44:50,009 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.416666666666667) internal successors, (53), 12 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-10-13 06:44:50,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:44:50,014 INFO L225 Difference]: With dead ends: 1087 [2021-10-13 06:44:50,014 INFO L226 Difference]: Without dead ends: 958 [2021-10-13 06:44:50,015 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 149.6ms TimeCoverageRelationStatistics Valid=106, Invalid=274, Unknown=0, NotChecked=0, Total=380 [2021-10-13 06:44:50,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 958 states. [2021-10-13 06:44:50,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 958 to 944. [2021-10-13 06:44:50,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 944 states, 935 states have (on average 1.3529411764705883) internal successors, (1265), 943 states have internal predecessors, (1265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:50,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 944 states to 944 states and 1265 transitions. [2021-10-13 06:44:50,050 INFO L78 Accepts]: Start accepts. Automaton has 944 states and 1265 transitions. Word has length 33 [2021-10-13 06:44:50,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:44:50,051 INFO L470 AbstractCegarLoop]: Abstraction has 944 states and 1265 transitions. [2021-10-13 06:44:50,051 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.416666666666667) internal successors, (53), 12 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:50,051 INFO L276 IsEmpty]: Start isEmpty. Operand 944 states and 1265 transitions. [2021-10-13 06:44:50,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-13 06:44:50,053 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:44:50,053 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:44:50,065 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (23)] Forceful destruction successful, exit code 0 [2021-10-13 06:44:50,264 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 06:44:50,265 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr101ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-10-13 06:44:50,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:44:50,265 INFO L82 PathProgramCache]: Analyzing trace with hash -691762275, now seen corresponding path program 1 times [2021-10-13 06:44:50,265 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:44:50,265 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [691055163] [2021-10-13 06:44:50,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:44:50,266 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:44:50,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:44:50,266 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:44:50,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (24)] Waiting until timeout for monitored process [2021-10-13 06:44:50,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:44:50,611 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-13 06:44:50,612 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:44:50,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:50,774 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:44:50,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:50,923 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:44:50,924 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [691055163] [2021-10-13 06:44:50,924 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [691055163] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 06:44:50,924 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:44:50,924 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 7] imperfect sequences [] total 13 [2021-10-13 06:44:50,924 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959976002] [2021-10-13 06:44:50,924 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-13 06:44:50,925 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:44:50,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-13 06:44:50,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-10-13 06:44:50,926 INFO L87 Difference]: Start difference. First operand 944 states and 1265 transitions. Second operand has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:51,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:44:51,531 INFO L93 Difference]: Finished difference Result 1191 states and 1542 transitions. [2021-10-13 06:44:51,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-13 06:44:51,531 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-10-13 06:44:51,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:44:51,536 INFO L225 Difference]: With dead ends: 1191 [2021-10-13 06:44:51,537 INFO L226 Difference]: Without dead ends: 1189 [2021-10-13 06:44:51,537 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 242.5ms TimeCoverageRelationStatistics Valid=142, Invalid=364, Unknown=0, NotChecked=0, Total=506 [2021-10-13 06:44:51,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1189 states. [2021-10-13 06:44:51,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1189 to 956. [2021-10-13 06:44:51,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 956 states, 947 states have (on average 1.3484688489968322) internal successors, (1277), 955 states have internal predecessors, (1277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:51,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 956 states to 956 states and 1277 transitions. [2021-10-13 06:44:51,554 INFO L78 Accepts]: Start accepts. Automaton has 956 states and 1277 transitions. Word has length 33 [2021-10-13 06:44:51,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:44:51,554 INFO L470 AbstractCegarLoop]: Abstraction has 956 states and 1277 transitions. [2021-10-13 06:44:51,554 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:51,555 INFO L276 IsEmpty]: Start isEmpty. Operand 956 states and 1277 transitions. [2021-10-13 06:44:51,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-13 06:44:51,566 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:44:51,566 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:44:51,582 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (24)] Forceful destruction successful, exit code 0 [2021-10-13 06:44:51,778 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 06:44:51,778 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-10-13 06:44:51,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:44:51,779 INFO L82 PathProgramCache]: Analyzing trace with hash -691774191, now seen corresponding path program 1 times [2021-10-13 06:44:51,779 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:44:51,779 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1684792565] [2021-10-13 06:44:51,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:44:51,780 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:44:51,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:44:51,781 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:44:51,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (25)] Waiting until timeout for monitored process [2021-10-13 06:44:52,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:44:52,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 06:44:52,160 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:44:52,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:52,400 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:44:52,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:52,518 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:44:52,518 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1684792565] [2021-10-13 06:44:52,518 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1684792565] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 06:44:52,518 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:44:52,518 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-10-13 06:44:52,518 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352975018] [2021-10-13 06:44:52,519 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-13 06:44:52,519 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:44:52,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 06:44:52,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-13 06:44:52,520 INFO L87 Difference]: Start difference. First operand 956 states and 1277 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:52,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:44:52,724 INFO L93 Difference]: Finished difference Result 967 states and 1285 transitions. [2021-10-13 06:44:52,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 06:44:52,724 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-10-13 06:44:52,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:44:52,726 INFO L225 Difference]: With dead ends: 967 [2021-10-13 06:44:52,727 INFO L226 Difference]: Without dead ends: 911 [2021-10-13 06:44:52,727 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 35.9ms TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-10-13 06:44:52,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 911 states. [2021-10-13 06:44:52,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 911 to 899. [2021-10-13 06:44:52,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 899 states, 890 states have (on average 1.3561797752808988) internal successors, (1207), 898 states have internal predecessors, (1207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:52,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 899 states to 899 states and 1207 transitions. [2021-10-13 06:44:52,742 INFO L78 Accepts]: Start accepts. Automaton has 899 states and 1207 transitions. Word has length 33 [2021-10-13 06:44:52,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:44:52,743 INFO L470 AbstractCegarLoop]: Abstraction has 899 states and 1207 transitions. [2021-10-13 06:44:52,743 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:52,743 INFO L276 IsEmpty]: Start isEmpty. Operand 899 states and 1207 transitions. [2021-10-13 06:44:52,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-13 06:44:52,745 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:44:52,745 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:44:52,757 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (25)] Forceful destruction successful, exit code 0 [2021-10-13 06:44:52,956 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 06:44:52,956 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-10-13 06:44:52,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:44:52,957 INFO L82 PathProgramCache]: Analyzing trace with hash -2061346662, now seen corresponding path program 1 times [2021-10-13 06:44:52,957 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:44:52,957 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [801602441] [2021-10-13 06:44:52,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:44:52,957 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:44:52,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:44:52,958 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:44:52,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (26)] Waiting until timeout for monitored process [2021-10-13 06:44:53,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:44:53,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 06:44:53,351 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:44:53,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:53,416 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:44:53,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:53,487 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:44:53,487 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [801602441] [2021-10-13 06:44:53,487 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [801602441] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 06:44:53,487 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:44:53,487 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-10-13 06:44:53,487 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676903817] [2021-10-13 06:44:53,487 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-13 06:44:53,488 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:44:53,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 06:44:53,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-13 06:44:53,489 INFO L87 Difference]: Start difference. First operand 899 states and 1207 transitions. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:53,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:44:53,580 INFO L93 Difference]: Finished difference Result 981 states and 1288 transitions. [2021-10-13 06:44:53,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-13 06:44:53,581 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-10-13 06:44:53,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:44:53,583 INFO L225 Difference]: With dead ends: 981 [2021-10-13 06:44:53,583 INFO L226 Difference]: Without dead ends: 981 [2021-10-13 06:44:53,584 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 22.8ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-13 06:44:53,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 981 states. [2021-10-13 06:44:53,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 981 to 907. [2021-10-13 06:44:53,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 907 states, 898 states have (on average 1.3518930957683741) internal successors, (1214), 906 states have internal predecessors, (1214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:53,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 907 states to 907 states and 1214 transitions. [2021-10-13 06:44:53,609 INFO L78 Accepts]: Start accepts. Automaton has 907 states and 1214 transitions. Word has length 34 [2021-10-13 06:44:53,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:44:53,609 INFO L470 AbstractCegarLoop]: Abstraction has 907 states and 1214 transitions. [2021-10-13 06:44:53,609 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:53,609 INFO L276 IsEmpty]: Start isEmpty. Operand 907 states and 1214 transitions. [2021-10-13 06:44:53,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-13 06:44:53,610 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:44:53,611 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:44:53,624 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (26)] Forceful destruction successful, exit code 0 [2021-10-13 06:44:53,811 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 06:44:53,811 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-10-13 06:44:53,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:44:53,812 INFO L82 PathProgramCache]: Analyzing trace with hash 1415972184, now seen corresponding path program 1 times [2021-10-13 06:44:53,812 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:44:53,812 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [45691727] [2021-10-13 06:44:53,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:44:53,812 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:44:53,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:44:53,813 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:44:53,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (27)] Waiting until timeout for monitored process [2021-10-13 06:44:54,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:44:54,246 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-13 06:44:54,247 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:44:54,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:54,377 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:44:54,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:54,539 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:44:54,539 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [45691727] [2021-10-13 06:44:54,539 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [45691727] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 06:44:54,539 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:44:54,539 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 16 [2021-10-13 06:44:54,540 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539320816] [2021-10-13 06:44:54,540 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-10-13 06:44:54,540 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:44:54,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-10-13 06:44:54,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2021-10-13 06:44:54,541 INFO L87 Difference]: Start difference. First operand 907 states and 1214 transitions. Second operand has 16 states, 16 states have (on average 3.4375) internal successors, (55), 16 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:55,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:44:55,053 INFO L93 Difference]: Finished difference Result 956 states and 1266 transitions. [2021-10-13 06:44:55,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-10-13 06:44:55,054 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 3.4375) internal successors, (55), 16 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-10-13 06:44:55,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:44:55,055 INFO L225 Difference]: With dead ends: 956 [2021-10-13 06:44:55,055 INFO L226 Difference]: Without dead ends: 840 [2021-10-13 06:44:55,055 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 309.9ms TimeCoverageRelationStatistics Valid=192, Invalid=564, Unknown=0, NotChecked=0, Total=756 [2021-10-13 06:44:55,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 840 states. [2021-10-13 06:44:55,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 840 to 840. [2021-10-13 06:44:55,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 840 states, 831 states have (on average 1.332129963898917) internal successors, (1107), 839 states have internal predecessors, (1107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:55,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 840 states to 840 states and 1107 transitions. [2021-10-13 06:44:55,065 INFO L78 Accepts]: Start accepts. Automaton has 840 states and 1107 transitions. Word has length 34 [2021-10-13 06:44:55,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:44:55,065 INFO L470 AbstractCegarLoop]: Abstraction has 840 states and 1107 transitions. [2021-10-13 06:44:55,065 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.4375) internal successors, (55), 16 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:55,065 INFO L276 IsEmpty]: Start isEmpty. Operand 840 states and 1107 transitions. [2021-10-13 06:44:55,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-13 06:44:55,067 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:44:55,067 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:44:55,079 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (27)] Forceful destruction successful, exit code 0 [2021-10-13 06:44:55,277 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 06:44:55,278 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-10-13 06:44:55,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:44:55,278 INFO L82 PathProgramCache]: Analyzing trace with hash -842658898, now seen corresponding path program 1 times [2021-10-13 06:44:55,278 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:44:55,278 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2024297017] [2021-10-13 06:44:55,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:44:55,279 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:44:55,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:44:55,280 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:44:55,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (28)] Waiting until timeout for monitored process [2021-10-13 06:44:55,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:44:55,689 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-13 06:44:55,689 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:44:55,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:55,747 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:44:55,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:55,807 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:44:55,807 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2024297017] [2021-10-13 06:44:55,807 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2024297017] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 06:44:55,807 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:44:55,808 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-13 06:44:55,808 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700890884] [2021-10-13 06:44:55,808 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 06:44:55,808 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:44:55,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 06:44:55,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 06:44:55,809 INFO L87 Difference]: Start difference. First operand 840 states and 1107 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:55,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:44:55,873 INFO L93 Difference]: Finished difference Result 1005 states and 1309 transitions. [2021-10-13 06:44:55,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 06:44:55,874 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-10-13 06:44:55,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:44:55,875 INFO L225 Difference]: With dead ends: 1005 [2021-10-13 06:44:55,875 INFO L226 Difference]: Without dead ends: 1005 [2021-10-13 06:44:55,875 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 06:44:55,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1005 states. [2021-10-13 06:44:55,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1005 to 840. [2021-10-13 06:44:55,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 840 states, 831 states have (on average 1.3200962695547533) internal successors, (1097), 839 states have internal predecessors, (1097), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:55,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 840 states to 840 states and 1097 transitions. [2021-10-13 06:44:55,890 INFO L78 Accepts]: Start accepts. Automaton has 840 states and 1097 transitions. Word has length 34 [2021-10-13 06:44:55,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:44:55,890 INFO L470 AbstractCegarLoop]: Abstraction has 840 states and 1097 transitions. [2021-10-13 06:44:55,890 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:55,890 INFO L276 IsEmpty]: Start isEmpty. Operand 840 states and 1097 transitions. [2021-10-13 06:44:55,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-13 06:44:55,892 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:44:55,892 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:44:55,906 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (28)] Forceful destruction successful, exit code 0 [2021-10-13 06:44:56,103 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 06:44:56,103 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-10-13 06:44:56,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:44:56,104 INFO L82 PathProgramCache]: Analyzing trace with hash -419957072, now seen corresponding path program 1 times [2021-10-13 06:44:56,104 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:44:56,104 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1887998846] [2021-10-13 06:44:56,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:44:56,104 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:44:56,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:44:56,106 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:44:56,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (29)] Waiting until timeout for monitored process [2021-10-13 06:44:56,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:44:56,543 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-13 06:44:56,544 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:44:56,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:56,669 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:44:56,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:56,791 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:44:56,791 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1887998846] [2021-10-13 06:44:56,791 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1887998846] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 06:44:56,792 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:44:56,792 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 14 [2021-10-13 06:44:56,792 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531095910] [2021-10-13 06:44:56,792 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-10-13 06:44:56,792 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:44:56,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-10-13 06:44:56,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2021-10-13 06:44:56,793 INFO L87 Difference]: Start difference. First operand 840 states and 1097 transitions. Second operand has 14 states, 14 states have (on average 3.7857142857142856) internal successors, (53), 14 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:57,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:44:57,150 INFO L93 Difference]: Finished difference Result 992 states and 1273 transitions. [2021-10-13 06:44:57,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-13 06:44:57,151 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.7857142857142856) internal successors, (53), 14 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-10-13 06:44:57,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:44:57,152 INFO L225 Difference]: With dead ends: 992 [2021-10-13 06:44:57,152 INFO L226 Difference]: Without dead ends: 958 [2021-10-13 06:44:57,152 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 200.1ms TimeCoverageRelationStatistics Valid=129, Invalid=377, Unknown=0, NotChecked=0, Total=506 [2021-10-13 06:44:57,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 958 states. [2021-10-13 06:44:57,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 958 to 838. [2021-10-13 06:44:57,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 838 states, 829 states have (on average 1.3184559710494572) internal successors, (1093), 837 states have internal predecessors, (1093), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:57,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 838 states and 1093 transitions. [2021-10-13 06:44:57,163 INFO L78 Accepts]: Start accepts. Automaton has 838 states and 1093 transitions. Word has length 34 [2021-10-13 06:44:57,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:44:57,163 INFO L470 AbstractCegarLoop]: Abstraction has 838 states and 1093 transitions. [2021-10-13 06:44:57,163 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.7857142857142856) internal successors, (53), 14 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:57,164 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1093 transitions. [2021-10-13 06:44:57,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-13 06:44:57,166 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:44:57,166 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:44:57,177 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (29)] Ended with exit code 0 [2021-10-13 06:44:57,376 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 06:44:57,376 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-10-13 06:44:57,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:44:57,377 INFO L82 PathProgramCache]: Analyzing trace with hash 282533081, now seen corresponding path program 1 times [2021-10-13 06:44:57,377 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:44:57,377 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [890175928] [2021-10-13 06:44:57,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:44:57,378 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:44:57,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:44:57,378 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:44:57,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (30)] Waiting until timeout for monitored process [2021-10-13 06:44:57,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:44:57,819 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 06:44:57,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:44:57,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:57,887 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:44:57,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:57,951 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:44:57,951 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [890175928] [2021-10-13 06:44:57,951 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [890175928] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 06:44:57,951 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:44:57,951 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-13 06:44:57,952 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907627559] [2021-10-13 06:44:57,952 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 06:44:57,952 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:44:57,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 06:44:57,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 06:44:57,952 INFO L87 Difference]: Start difference. First operand 838 states and 1093 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:57,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:44:57,981 INFO L93 Difference]: Finished difference Result 925 states and 1201 transitions. [2021-10-13 06:44:57,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 06:44:57,982 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-10-13 06:44:57,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:44:57,983 INFO L225 Difference]: With dead ends: 925 [2021-10-13 06:44:57,983 INFO L226 Difference]: Without dead ends: 925 [2021-10-13 06:44:57,983 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 06:44:57,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 925 states. [2021-10-13 06:44:57,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 925 to 826. [2021-10-13 06:44:57,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 826 states, 820 states have (on average 1.3109756097560976) internal successors, (1075), 825 states have internal predecessors, (1075), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:57,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 826 states to 826 states and 1075 transitions. [2021-10-13 06:44:57,995 INFO L78 Accepts]: Start accepts. Automaton has 826 states and 1075 transitions. Word has length 34 [2021-10-13 06:44:57,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:44:57,995 INFO L470 AbstractCegarLoop]: Abstraction has 826 states and 1075 transitions. [2021-10-13 06:44:57,995 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:57,995 INFO L276 IsEmpty]: Start isEmpty. Operand 826 states and 1075 transitions. [2021-10-13 06:44:57,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-13 06:44:57,997 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:44:57,997 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:44:58,013 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (30)] Forceful destruction successful, exit code 0 [2021-10-13 06:44:58,210 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 06:44:58,210 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr101ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-10-13 06:44:58,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:44:58,211 INFO L82 PathProgramCache]: Analyzing trace with hash 479003308, now seen corresponding path program 1 times [2021-10-13 06:44:58,211 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:44:58,211 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [77917931] [2021-10-13 06:44:58,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:44:58,211 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:44:58,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:44:58,212 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:44:58,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (31)] Waiting until timeout for monitored process [2021-10-13 06:44:58,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:44:58,654 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-13 06:44:58,655 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:44:58,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:58,820 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:44:58,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:58,942 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:44:58,942 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [77917931] [2021-10-13 06:44:58,942 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [77917931] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 06:44:58,942 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:44:58,943 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 8] imperfect sequences [] total 15 [2021-10-13 06:44:58,943 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752452821] [2021-10-13 06:44:58,943 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-13 06:44:58,943 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:44:58,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-13 06:44:58,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2021-10-13 06:44:58,944 INFO L87 Difference]: Start difference. First operand 826 states and 1075 transitions. Second operand has 15 states, 15 states have (on average 3.533333333333333) internal successors, (53), 15 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:59,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:44:59,643 INFO L93 Difference]: Finished difference Result 1040 states and 1317 transitions. [2021-10-13 06:44:59,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-13 06:44:59,643 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.533333333333333) internal successors, (53), 15 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-10-13 06:44:59,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:44:59,645 INFO L225 Difference]: With dead ends: 1040 [2021-10-13 06:44:59,645 INFO L226 Difference]: Without dead ends: 996 [2021-10-13 06:44:59,646 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 326.5ms TimeCoverageRelationStatistics Valid=166, Invalid=484, Unknown=0, NotChecked=0, Total=650 [2021-10-13 06:44:59,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 996 states. [2021-10-13 06:44:59,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 996 to 810. [2021-10-13 06:44:59,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 810 states, 804 states have (on average 1.3121890547263682) internal successors, (1055), 809 states have internal predecessors, (1055), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:59,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 810 states to 810 states and 1055 transitions. [2021-10-13 06:44:59,658 INFO L78 Accepts]: Start accepts. Automaton has 810 states and 1055 transitions. Word has length 35 [2021-10-13 06:44:59,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:44:59,659 INFO L470 AbstractCegarLoop]: Abstraction has 810 states and 1055 transitions. [2021-10-13 06:44:59,659 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.533333333333333) internal successors, (53), 15 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:59,659 INFO L276 IsEmpty]: Start isEmpty. Operand 810 states and 1055 transitions. [2021-10-13 06:44:59,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-13 06:44:59,661 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:44:59,661 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:44:59,677 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (31)] Forceful destruction successful, exit code 0 [2021-10-13 06:44:59,873 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 06:44:59,874 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-10-13 06:44:59,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:44:59,874 INFO L82 PathProgramCache]: Analyzing trace with hash 1833221872, now seen corresponding path program 1 times [2021-10-13 06:44:59,875 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:44:59,875 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [565843707] [2021-10-13 06:44:59,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:44:59,875 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:44:59,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:44:59,876 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:44:59,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (32)] Waiting until timeout for monitored process [2021-10-13 06:45:00,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:45:00,370 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 06:45:00,371 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:45:00,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:45:00,432 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:45:00,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:45:00,485 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:45:00,486 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [565843707] [2021-10-13 06:45:00,486 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [565843707] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 06:45:00,486 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:45:00,486 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-13 06:45:00,486 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669997160] [2021-10-13 06:45:00,486 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 06:45:00,486 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:45:00,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 06:45:00,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 06:45:00,487 INFO L87 Difference]: Start difference. First operand 810 states and 1055 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:45:00,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:45:00,511 INFO L93 Difference]: Finished difference Result 794 states and 1026 transitions. [2021-10-13 06:45:00,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 06:45:00,512 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-10-13 06:45:00,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:45:00,513 INFO L225 Difference]: With dead ends: 794 [2021-10-13 06:45:00,513 INFO L226 Difference]: Without dead ends: 794 [2021-10-13 06:45:00,513 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.4ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 06:45:00,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 794 states. [2021-10-13 06:45:00,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 794 to 794. [2021-10-13 06:45:00,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 794 states, 788 states have (on average 1.3020304568527918) internal successors, (1026), 793 states have internal predecessors, (1026), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:45:00,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 794 states to 794 states and 1026 transitions. [2021-10-13 06:45:00,521 INFO L78 Accepts]: Start accepts. Automaton has 794 states and 1026 transitions. Word has length 35 [2021-10-13 06:45:00,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:45:00,521 INFO L470 AbstractCegarLoop]: Abstraction has 794 states and 1026 transitions. [2021-10-13 06:45:00,521 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:45:00,521 INFO L276 IsEmpty]: Start isEmpty. Operand 794 states and 1026 transitions. [2021-10-13 06:45:00,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-13 06:45:00,523 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:45:00,523 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:45:00,547 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (32)] Forceful destruction successful, exit code 0 [2021-10-13 06:45:00,736 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 06:45:00,736 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr101ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-10-13 06:45:00,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:45:00,737 INFO L82 PathProgramCache]: Analyzing trace with hash -700544509, now seen corresponding path program 1 times [2021-10-13 06:45:00,737 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:45:00,737 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [764971778] [2021-10-13 06:45:00,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:45:00,737 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:45:00,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:45:00,738 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:45:00,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (33)] Waiting until timeout for monitored process [2021-10-13 06:45:01,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:45:01,219 INFO L263 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-13 06:45:01,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:45:01,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:45:01,435 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:45:01,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:45:01,610 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:45:01,611 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [764971778] [2021-10-13 06:45:01,611 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [764971778] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 06:45:01,611 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:45:01,611 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 9] imperfect sequences [] total 17 [2021-10-13 06:45:01,611 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430561127] [2021-10-13 06:45:01,611 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-10-13 06:45:01,612 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:45:01,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-10-13 06:45:01,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2021-10-13 06:45:01,612 INFO L87 Difference]: Start difference. First operand 794 states and 1026 transitions. Second operand has 17 states, 17 states have (on average 3.235294117647059) internal successors, (55), 17 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:45:02,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:45:02,326 INFO L93 Difference]: Finished difference Result 1002 states and 1262 transitions. [2021-10-13 06:45:02,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-13 06:45:02,327 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 3.235294117647059) internal successors, (55), 17 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-10-13 06:45:02,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:45:02,328 INFO L225 Difference]: With dead ends: 1002 [2021-10-13 06:45:02,328 INFO L226 Difference]: Without dead ends: 957 [2021-10-13 06:45:02,329 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 427.2ms TimeCoverageRelationStatistics Valid=213, Invalid=657, Unknown=0, NotChecked=0, Total=870 [2021-10-13 06:45:02,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 957 states. [2021-10-13 06:45:02,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 957 to 778. [2021-10-13 06:45:02,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 778 states, 772 states have (on average 1.3031088082901554) internal successors, (1006), 777 states have internal predecessors, (1006), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:45:02,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 778 states to 778 states and 1006 transitions. [2021-10-13 06:45:02,337 INFO L78 Accepts]: Start accepts. Automaton has 778 states and 1006 transitions. Word has length 36 [2021-10-13 06:45:02,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:45:02,338 INFO L470 AbstractCegarLoop]: Abstraction has 778 states and 1006 transitions. [2021-10-13 06:45:02,338 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 3.235294117647059) internal successors, (55), 17 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:45:02,338 INFO L276 IsEmpty]: Start isEmpty. Operand 778 states and 1006 transitions. [2021-10-13 06:45:02,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-13 06:45:02,340 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:45:02,340 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:45:02,353 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (33)] Forceful destruction successful, exit code 0 [2021-10-13 06:45:02,553 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 06:45:02,553 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-10-13 06:45:02,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:45:02,554 INFO L82 PathProgramCache]: Analyzing trace with hash -1075516100, now seen corresponding path program 1 times [2021-10-13 06:45:02,554 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:45:02,554 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [611792479] [2021-10-13 06:45:02,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:45:02,554 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:45:02,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:45:02,555 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:45:02,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (34)] Waiting until timeout for monitored process [2021-10-13 06:45:03,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:45:03,053 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 06:45:03,054 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:45:03,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:45:03,117 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:45:03,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:45:03,182 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:45:03,182 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [611792479] [2021-10-13 06:45:03,182 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [611792479] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 06:45:03,182 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:45:03,183 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-13 06:45:03,183 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454368273] [2021-10-13 06:45:03,183 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 06:45:03,183 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:45:03,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 06:45:03,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 06:45:03,183 INFO L87 Difference]: Start difference. First operand 778 states and 1006 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:45:03,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:45:03,224 INFO L93 Difference]: Finished difference Result 659 states and 835 transitions. [2021-10-13 06:45:03,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 06:45:03,225 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2021-10-13 06:45:03,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:45:03,225 INFO L225 Difference]: With dead ends: 659 [2021-10-13 06:45:03,226 INFO L226 Difference]: Without dead ends: 655 [2021-10-13 06:45:03,226 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 06:45:03,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 655 states. [2021-10-13 06:45:03,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 655 to 608. [2021-10-13 06:45:03,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 608 states, 602 states have (on average 1.282392026578073) internal successors, (772), 607 states have internal predecessors, (772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:45:03,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 608 states and 772 transitions. [2021-10-13 06:45:03,232 INFO L78 Accepts]: Start accepts. Automaton has 608 states and 772 transitions. Word has length 37 [2021-10-13 06:45:03,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:45:03,232 INFO L470 AbstractCegarLoop]: Abstraction has 608 states and 772 transitions. [2021-10-13 06:45:03,233 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:45:03,233 INFO L276 IsEmpty]: Start isEmpty. Operand 608 states and 772 transitions. [2021-10-13 06:45:03,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-13 06:45:03,234 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:45:03,234 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:45:03,242 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (34)] Ended with exit code 0 [2021-10-13 06:45:03,434 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 06:45:03,434 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr101ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-10-13 06:45:03,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:45:03,435 INFO L82 PathProgramCache]: Analyzing trace with hash 1405976500, now seen corresponding path program 1 times [2021-10-13 06:45:03,435 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:45:03,435 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1454824647] [2021-10-13 06:45:03,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:45:03,435 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:45:03,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:45:03,436 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:45:03,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (35)] Waiting until timeout for monitored process [2021-10-13 06:45:03,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:45:03,961 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-13 06:45:03,962 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:45:04,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:45:04,161 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:45:04,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:45:04,328 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:45:04,328 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1454824647] [2021-10-13 06:45:04,328 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1454824647] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 06:45:04,328 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:45:04,328 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 9] imperfect sequences [] total 17 [2021-10-13 06:45:04,329 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014600113] [2021-10-13 06:45:04,329 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-10-13 06:45:04,329 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:45:04,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-10-13 06:45:04,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2021-10-13 06:45:04,329 INFO L87 Difference]: Start difference. First operand 608 states and 772 transitions. Second operand has 17 states, 17 states have (on average 3.2941176470588234) internal successors, (56), 17 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:45:05,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:45:05,077 INFO L93 Difference]: Finished difference Result 801 states and 988 transitions. [2021-10-13 06:45:05,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-10-13 06:45:05,078 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 3.2941176470588234) internal successors, (56), 17 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2021-10-13 06:45:05,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:45:05,079 INFO L225 Difference]: With dead ends: 801 [2021-10-13 06:45:05,079 INFO L226 Difference]: Without dead ends: 700 [2021-10-13 06:45:05,079 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 227 ImplicationChecksByTransitivity, 552.4ms TimeCoverageRelationStatistics Valid=352, Invalid=1054, Unknown=0, NotChecked=0, Total=1406 [2021-10-13 06:45:05,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 700 states. [2021-10-13 06:45:05,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 700 to 564. [2021-10-13 06:45:05,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 564 states, 558 states have (on average 1.2670250896057347) internal successors, (707), 563 states have internal predecessors, (707), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:45:05,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 564 states and 707 transitions. [2021-10-13 06:45:05,085 INFO L78 Accepts]: Start accepts. Automaton has 564 states and 707 transitions. Word has length 37 [2021-10-13 06:45:05,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:45:05,085 INFO L470 AbstractCegarLoop]: Abstraction has 564 states and 707 transitions. [2021-10-13 06:45:05,085 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 3.2941176470588234) internal successors, (56), 17 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:45:05,085 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 707 transitions. [2021-10-13 06:45:05,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-10-13 06:45:05,086 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:45:05,087 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:45:05,100 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (35)] Forceful destruction successful, exit code 0 [2021-10-13 06:45:05,299 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 06:45:05,300 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-10-13 06:45:05,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:45:05,300 INFO L82 PathProgramCache]: Analyzing trace with hash -2131208369, now seen corresponding path program 1 times [2021-10-13 06:45:05,300 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:45:05,300 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2088756605] [2021-10-13 06:45:05,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:45:05,300 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:45:05,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:45:05,301 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:45:05,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (36)] Waiting until timeout for monitored process [2021-10-13 06:45:05,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:45:05,840 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-13 06:45:05,841 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:45:05,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:45:05,917 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:45:06,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:45:06,016 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:45:06,016 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2088756605] [2021-10-13 06:45:06,016 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2088756605] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 06:45:06,016 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:45:06,017 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-10-13 06:45:06,017 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130015724] [2021-10-13 06:45:06,017 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-13 06:45:06,017 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:45:06,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 06:45:06,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-13 06:45:06,018 INFO L87 Difference]: Start difference. First operand 564 states and 707 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:45:06,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:45:06,097 INFO L93 Difference]: Finished difference Result 612 states and 758 transitions. [2021-10-13 06:45:06,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 06:45:06,097 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2021-10-13 06:45:06,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:45:06,098 INFO L225 Difference]: With dead ends: 612 [2021-10-13 06:45:06,098 INFO L226 Difference]: Without dead ends: 574 [2021-10-13 06:45:06,098 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 18.8ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-13 06:45:06,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 574 states. [2021-10-13 06:45:06,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 574 to 512. [2021-10-13 06:45:06,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 512 states, 506 states have (on average 1.2707509881422925) internal successors, (643), 511 states have internal predecessors, (643), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:45:06,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 512 states and 643 transitions. [2021-10-13 06:45:06,106 INFO L78 Accepts]: Start accepts. Automaton has 512 states and 643 transitions. Word has length 39 [2021-10-13 06:45:06,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:45:06,107 INFO L470 AbstractCegarLoop]: Abstraction has 512 states and 643 transitions. [2021-10-13 06:45:06,107 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:45:06,107 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 643 transitions. [2021-10-13 06:45:06,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-10-13 06:45:06,107 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:45:06,108 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:45:06,119 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (36)] Forceful destruction successful, exit code 0 [2021-10-13 06:45:06,308 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 06:45:06,308 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-10-13 06:45:06,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:45:06,309 INFO L82 PathProgramCache]: Analyzing trace with hash 289296501, now seen corresponding path program 1 times [2021-10-13 06:45:06,309 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:45:06,309 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1088312816] [2021-10-13 06:45:06,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:45:06,309 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:45:06,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:45:06,310 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:45:06,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (37)] Waiting until timeout for monitored process [2021-10-13 06:45:06,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:45:06,869 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-13 06:45:06,870 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:45:06,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:45:06,961 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:45:07,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:45:07,056 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:45:07,057 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1088312816] [2021-10-13 06:45:07,058 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1088312816] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 06:45:07,058 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:45:07,058 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-10-13 06:45:07,058 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856655182] [2021-10-13 06:45:07,059 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-13 06:45:07,059 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:45:07,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-13 06:45:07,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-13 06:45:07,059 INFO L87 Difference]: Start difference. First operand 512 states and 643 transitions. Second operand has 8 states, 8 states have (on average 5.625) internal successors, (45), 8 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:45:07,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:45:07,148 INFO L93 Difference]: Finished difference Result 560 states and 694 transitions. [2021-10-13 06:45:07,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 06:45:07,149 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.625) internal successors, (45), 8 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 41 [2021-10-13 06:45:07,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:45:07,150 INFO L225 Difference]: With dead ends: 560 [2021-10-13 06:45:07,150 INFO L226 Difference]: Without dead ends: 513 [2021-10-13 06:45:07,150 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 34.1ms TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-10-13 06:45:07,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 513 states. [2021-10-13 06:45:07,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 513 to 451. [2021-10-13 06:45:07,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 451 states, 445 states have (on average 1.2584269662921348) internal successors, (560), 450 states have internal predecessors, (560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:45:07,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 451 states and 560 transitions. [2021-10-13 06:45:07,159 INFO L78 Accepts]: Start accepts. Automaton has 451 states and 560 transitions. Word has length 41 [2021-10-13 06:45:07,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:45:07,160 INFO L470 AbstractCegarLoop]: Abstraction has 451 states and 560 transitions. [2021-10-13 06:45:07,160 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.625) internal successors, (45), 8 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:45:07,161 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 560 transitions. [2021-10-13 06:45:07,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-10-13 06:45:07,170 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:45:07,170 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:45:07,187 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (37)] Forceful destruction successful, exit code 0 [2021-10-13 06:45:07,383 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 06:45:07,383 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-10-13 06:45:07,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:45:07,384 INFO L82 PathProgramCache]: Analyzing trace with hash -528351949, now seen corresponding path program 1 times [2021-10-13 06:45:07,384 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:45:07,384 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1166448227] [2021-10-13 06:45:07,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:45:07,384 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:45:07,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:45:07,386 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:45:07,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (38)] Waiting until timeout for monitored process [2021-10-13 06:45:08,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:45:08,048 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-13 06:45:08,050 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:45:08,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:45:08,195 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:45:08,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:45:08,366 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:45:08,366 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1166448227] [2021-10-13 06:45:08,366 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1166448227] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 06:45:08,366 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:45:08,366 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 10] imperfect sequences [] total 18 [2021-10-13 06:45:08,366 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561572899] [2021-10-13 06:45:08,368 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-10-13 06:45:08,368 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:45:08,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-10-13 06:45:08,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=265, Unknown=0, NotChecked=0, Total=306 [2021-10-13 06:45:08,370 INFO L87 Difference]: Start difference. First operand 451 states and 560 transitions. Second operand has 18 states, 18 states have (on average 3.5) internal successors, (63), 18 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:45:08,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:45:08,585 INFO L93 Difference]: Finished difference Result 511 states and 632 transitions. [2021-10-13 06:45:08,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-13 06:45:08,586 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.5) internal successors, (63), 18 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 41 [2021-10-13 06:45:08,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:45:08,587 INFO L225 Difference]: With dead ends: 511 [2021-10-13 06:45:08,587 INFO L226 Difference]: Without dead ends: 487 [2021-10-13 06:45:08,587 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 235.7ms TimeCoverageRelationStatistics Valid=146, Invalid=454, Unknown=0, NotChecked=0, Total=600 [2021-10-13 06:45:08,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2021-10-13 06:45:08,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 440. [2021-10-13 06:45:08,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 440 states, 434 states have (on average 1.262672811059908) internal successors, (548), 439 states have internal predecessors, (548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:45:08,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 440 states and 548 transitions. [2021-10-13 06:45:08,593 INFO L78 Accepts]: Start accepts. Automaton has 440 states and 548 transitions. Word has length 41 [2021-10-13 06:45:08,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:45:08,594 INFO L470 AbstractCegarLoop]: Abstraction has 440 states and 548 transitions. [2021-10-13 06:45:08,594 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.5) internal successors, (63), 18 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:45:08,594 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 548 transitions. [2021-10-13 06:45:08,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-10-13 06:45:08,595 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:45:08,595 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:45:08,612 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (38)] Forceful destruction successful, exit code 0 [2021-10-13 06:45:08,816 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 06:45:08,817 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr99ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-10-13 06:45:08,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:45:08,817 INFO L82 PathProgramCache]: Analyzing trace with hash 961058282, now seen corresponding path program 1 times [2021-10-13 06:45:08,818 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:45:08,818 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [81933245] [2021-10-13 06:45:08,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:45:08,818 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:45:08,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:45:08,819 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:45:08,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (39)] Waiting until timeout for monitored process [2021-10-13 06:45:09,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:45:09,487 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 06:45:09,488 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:45:09,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:45:09,565 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:45:09,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:45:09,636 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:45:09,636 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [81933245] [2021-10-13 06:45:09,636 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [81933245] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 06:45:09,636 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:45:09,636 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-13 06:45:09,637 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711231702] [2021-10-13 06:45:09,637 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 06:45:09,637 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:45:09,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 06:45:09,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 06:45:09,638 INFO L87 Difference]: Start difference. First operand 440 states and 548 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:45:09,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:45:09,653 INFO L93 Difference]: Finished difference Result 450 states and 556 transitions. [2021-10-13 06:45:09,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 06:45:09,653 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 41 [2021-10-13 06:45:09,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:45:09,654 INFO L225 Difference]: With dead ends: 450 [2021-10-13 06:45:09,654 INFO L226 Difference]: Without dead ends: 450 [2021-10-13 06:45:09,655 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 06:45:09,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 450 states. [2021-10-13 06:45:09,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 450 to 437. [2021-10-13 06:45:09,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 437 states, 431 states have (on average 1.259860788863109) internal successors, (543), 436 states have internal predecessors, (543), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:45:09,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 437 states and 543 transitions. [2021-10-13 06:45:09,659 INFO L78 Accepts]: Start accepts. Automaton has 437 states and 543 transitions. Word has length 41 [2021-10-13 06:45:09,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:45:09,659 INFO L470 AbstractCegarLoop]: Abstraction has 437 states and 543 transitions. [2021-10-13 06:45:09,660 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:45:09,660 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 543 transitions. [2021-10-13 06:45:09,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-10-13 06:45:09,660 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:45:09,660 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:45:09,672 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (39)] Forceful destruction successful, exit code 0 [2021-10-13 06:45:09,861 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 06:45:09,861 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-10-13 06:45:09,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:45:09,861 INFO L82 PathProgramCache]: Analyzing trace with hash 1198792050, now seen corresponding path program 1 times [2021-10-13 06:45:09,862 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:45:09,862 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [616790390] [2021-10-13 06:45:09,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:45:09,862 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:45:09,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:45:09,863 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:45:09,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (40)] Waiting until timeout for monitored process [2021-10-13 06:45:10,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:45:10,468 INFO L263 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 06:45:10,469 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:45:10,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:45:10,543 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:45:10,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:45:10,610 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:45:10,610 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [616790390] [2021-10-13 06:45:10,611 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [616790390] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 06:45:10,611 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:45:10,611 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-13 06:45:10,611 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298190439] [2021-10-13 06:45:10,612 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 06:45:10,612 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:45:10,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 06:45:10,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 06:45:10,613 INFO L87 Difference]: Start difference. First operand 437 states and 543 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:45:10,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:45:10,692 INFO L93 Difference]: Finished difference Result 406 states and 490 transitions. [2021-10-13 06:45:10,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 06:45:10,694 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 42 [2021-10-13 06:45:10,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:45:10,694 INFO L225 Difference]: With dead ends: 406 [2021-10-13 06:45:10,694 INFO L226 Difference]: Without dead ends: 405 [2021-10-13 06:45:10,694 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 06:45:10,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2021-10-13 06:45:10,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 384. [2021-10-13 06:45:10,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 384 states, 380 states have (on average 1.231578947368421) internal successors, (468), 383 states have internal predecessors, (468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:45:10,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 468 transitions. [2021-10-13 06:45:10,697 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 468 transitions. Word has length 42 [2021-10-13 06:45:10,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:45:10,698 INFO L470 AbstractCegarLoop]: Abstraction has 384 states and 468 transitions. [2021-10-13 06:45:10,698 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:45:10,698 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 468 transitions. [2021-10-13 06:45:10,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-10-13 06:45:10,698 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:45:10,698 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:45:10,707 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (40)] Ended with exit code 0 [2021-10-13 06:45:10,899 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 06:45:10,899 INFO L402 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-10-13 06:45:10,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:45:10,899 INFO L82 PathProgramCache]: Analyzing trace with hash 888562187, now seen corresponding path program 1 times [2021-10-13 06:45:10,899 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:45:10,899 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [232468884] [2021-10-13 06:45:10,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:45:10,900 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:45:10,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:45:10,900 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:45:10,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (41)] Waiting until timeout for monitored process [2021-10-13 06:45:11,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:45:11,526 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 06:45:11,527 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:45:11,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:45:11,624 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:45:11,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:45:11,727 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:45:11,727 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [232468884] [2021-10-13 06:45:11,727 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [232468884] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 06:45:11,727 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:45:11,727 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-10-13 06:45:11,727 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497932715] [2021-10-13 06:45:11,728 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-13 06:45:11,728 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:45:11,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-13 06:45:11,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-13 06:45:11,729 INFO L87 Difference]: Start difference. First operand 384 states and 468 transitions. Second operand has 8 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:45:11,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:45:11,774 INFO L93 Difference]: Finished difference Result 427 states and 516 transitions. [2021-10-13 06:45:11,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 06:45:11,775 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 43 [2021-10-13 06:45:11,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:45:11,776 INFO L225 Difference]: With dead ends: 427 [2021-10-13 06:45:11,776 INFO L226 Difference]: Without dead ends: 427 [2021-10-13 06:45:11,776 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 34.4ms TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-10-13 06:45:11,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2021-10-13 06:45:11,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 384. [2021-10-13 06:45:11,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 384 states, 380 states have (on average 1.2289473684210526) internal successors, (467), 383 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:45:11,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 467 transitions. [2021-10-13 06:45:11,791 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 467 transitions. Word has length 43 [2021-10-13 06:45:11,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:45:11,791 INFO L470 AbstractCegarLoop]: Abstraction has 384 states and 467 transitions. [2021-10-13 06:45:11,792 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:45:11,792 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 467 transitions. [2021-10-13 06:45:11,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-10-13 06:45:11,793 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:45:11,793 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:45:11,807 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (41)] Forceful destruction successful, exit code 0 [2021-10-13 06:45:12,006 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 06:45:12,007 INFO L402 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-10-13 06:45:12,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:45:12,007 INFO L82 PathProgramCache]: Analyzing trace with hash -800381555, now seen corresponding path program 1 times [2021-10-13 06:45:12,007 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:45:12,008 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [218503599] [2021-10-13 06:45:12,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:45:12,008 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:45:12,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:45:12,009 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:45:12,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (42)] Waiting until timeout for monitored process [2021-10-13 06:45:12,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:45:12,707 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-13 06:45:12,708 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:45:12,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:45:12,829 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:45:12,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:45:12,956 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:45:12,956 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [218503599] [2021-10-13 06:45:12,956 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [218503599] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 06:45:12,956 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:45:12,956 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 14 [2021-10-13 06:45:12,957 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696455639] [2021-10-13 06:45:12,957 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-10-13 06:45:12,957 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:45:12,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-10-13 06:45:12,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2021-10-13 06:45:12,958 INFO L87 Difference]: Start difference. First operand 384 states and 467 transitions. Second operand has 14 states, 14 states have (on average 4.571428571428571) internal successors, (64), 14 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:45:13,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:45:13,072 INFO L93 Difference]: Finished difference Result 425 states and 514 transitions. [2021-10-13 06:45:13,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-13 06:45:13,072 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.571428571428571) internal successors, (64), 14 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 43 [2021-10-13 06:45:13,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:45:13,073 INFO L225 Difference]: With dead ends: 425 [2021-10-13 06:45:13,073 INFO L226 Difference]: Without dead ends: 402 [2021-10-13 06:45:13,074 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 125.3ms TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2021-10-13 06:45:13,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 402 states. [2021-10-13 06:45:13,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 402 to 372. [2021-10-13 06:45:13,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 372 states, 368 states have (on average 1.233695652173913) internal successors, (454), 371 states have internal predecessors, (454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:45:13,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 454 transitions. [2021-10-13 06:45:13,077 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 454 transitions. Word has length 43 [2021-10-13 06:45:13,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:45:13,077 INFO L470 AbstractCegarLoop]: Abstraction has 372 states and 454 transitions. [2021-10-13 06:45:13,077 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.571428571428571) internal successors, (64), 14 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:45:13,077 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 454 transitions. [2021-10-13 06:45:13,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-10-13 06:45:13,078 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:45:13,078 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:45:13,087 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (42)] Ended with exit code 0 [2021-10-13 06:45:13,278 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 06:45:13,278 INFO L402 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr101ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-10-13 06:45:13,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:45:13,279 INFO L82 PathProgramCache]: Analyzing trace with hash -1424724662, now seen corresponding path program 1 times [2021-10-13 06:45:13,279 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:45:13,279 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [65961291] [2021-10-13 06:45:13,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:45:13,279 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:45:13,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:45:13,280 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:45:13,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (43)] Waiting until timeout for monitored process [2021-10-13 06:45:13,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:45:13,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-13 06:45:13,959 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:45:14,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:45:14,170 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:45:14,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:45:14,357 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:45:14,357 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [65961291] [2021-10-13 06:45:14,357 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [65961291] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 06:45:14,357 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:45:14,357 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 9] imperfect sequences [] total 17 [2021-10-13 06:45:14,357 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208778365] [2021-10-13 06:45:14,358 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-10-13 06:45:14,358 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:45:14,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-10-13 06:45:14,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2021-10-13 06:45:14,358 INFO L87 Difference]: Start difference. First operand 372 states and 454 transitions. Second operand has 17 states, 17 states have (on average 3.7058823529411766) internal successors, (63), 17 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:45:14,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:45:14,897 INFO L93 Difference]: Finished difference Result 501 states and 601 transitions. [2021-10-13 06:45:14,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-13 06:45:14,898 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 3.7058823529411766) internal successors, (63), 17 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2021-10-13 06:45:14,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:45:14,898 INFO L225 Difference]: With dead ends: 501 [2021-10-13 06:45:14,898 INFO L226 Difference]: Without dead ends: 427 [2021-10-13 06:45:14,899 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 392.9ms TimeCoverageRelationStatistics Valid=213, Invalid=657, Unknown=0, NotChecked=0, Total=870 [2021-10-13 06:45:14,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2021-10-13 06:45:14,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 327. [2021-10-13 06:45:14,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 327 states, 323 states have (on average 1.2260061919504643) internal successors, (396), 326 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:45:14,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 396 transitions. [2021-10-13 06:45:14,902 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 396 transitions. Word has length 44 [2021-10-13 06:45:14,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:45:14,902 INFO L470 AbstractCegarLoop]: Abstraction has 327 states and 396 transitions. [2021-10-13 06:45:14,902 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 3.7058823529411766) internal successors, (63), 17 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:45:14,902 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 396 transitions. [2021-10-13 06:45:14,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-10-13 06:45:14,903 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:45:14,903 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:45:14,912 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (43)] Forceful destruction successful, exit code 0 [2021-10-13 06:45:15,103 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 43 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 06:45:15,104 INFO L402 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr99ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-10-13 06:45:15,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:45:15,104 INFO L82 PathProgramCache]: Analyzing trace with hash 1904668637, now seen corresponding path program 1 times [2021-10-13 06:45:15,104 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:45:15,104 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1097972462] [2021-10-13 06:45:15,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:45:15,105 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:45:15,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:45:15,105 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:45:15,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (44)] Waiting until timeout for monitored process [2021-10-13 06:45:15,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:45:15,771 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 06:45:15,772 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:45:15,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:45:15,884 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:45:16,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:45:16,034 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:45:16,036 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1097972462] [2021-10-13 06:45:16,036 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1097972462] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 06:45:16,037 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:45:16,037 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2021-10-13 06:45:16,037 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043467891] [2021-10-13 06:45:16,038 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-13 06:45:16,038 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:45:16,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-13 06:45:16,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-10-13 06:45:16,039 INFO L87 Difference]: Start difference. First operand 327 states and 396 transitions. Second operand has 10 states, 10 states have (on average 6.6) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:45:16,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:45:16,216 INFO L93 Difference]: Finished difference Result 562 states and 669 transitions. [2021-10-13 06:45:16,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-13 06:45:16,216 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.6) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2021-10-13 06:45:16,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:45:16,217 INFO L225 Difference]: With dead ends: 562 [2021-10-13 06:45:16,217 INFO L226 Difference]: Without dead ends: 551 [2021-10-13 06:45:16,219 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 106.7ms TimeCoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2021-10-13 06:45:16,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 551 states. [2021-10-13 06:45:16,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 551 to 290. [2021-10-13 06:45:16,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 287 states have (on average 1.2055749128919862) internal successors, (346), 289 states have internal predecessors, (346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:45:16,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 346 transitions. [2021-10-13 06:45:16,224 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 346 transitions. Word has length 44 [2021-10-13 06:45:16,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:45:16,226 INFO L470 AbstractCegarLoop]: Abstraction has 290 states and 346 transitions. [2021-10-13 06:45:16,227 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.6) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:45:16,227 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 346 transitions. [2021-10-13 06:45:16,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-10-13 06:45:16,228 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:45:16,228 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:45:16,244 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (44)] Forceful destruction successful, exit code 0 [2021-10-13 06:45:16,441 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 06:45:16,443 INFO L402 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr102ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-10-13 06:45:16,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:45:16,443 INFO L82 PathProgramCache]: Analyzing trace with hash 1156621680, now seen corresponding path program 1 times [2021-10-13 06:45:16,443 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:45:16,443 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1292126360] [2021-10-13 06:45:16,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:45:16,444 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:45:16,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:45:16,444 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:45:16,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (45)] Waiting until timeout for monitored process [2021-10-13 06:45:17,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:45:17,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 06:45:17,140 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:45:17,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:45:17,370 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:45:17,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:45:17,493 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:45:17,493 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1292126360] [2021-10-13 06:45:17,493 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1292126360] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 06:45:17,493 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:45:17,493 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-10-13 06:45:17,493 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346808687] [2021-10-13 06:45:17,494 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-13 06:45:17,494 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:45:17,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 06:45:17,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-13 06:45:17,494 INFO L87 Difference]: Start difference. First operand 290 states and 346 transitions. Second operand has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 6 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:45:17,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:45:17,595 INFO L93 Difference]: Finished difference Result 290 states and 345 transitions. [2021-10-13 06:45:17,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 06:45:17,595 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 6 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 46 [2021-10-13 06:45:17,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:45:17,596 INFO L225 Difference]: With dead ends: 290 [2021-10-13 06:45:17,596 INFO L226 Difference]: Without dead ends: 290 [2021-10-13 06:45:17,596 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 28.6ms TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-10-13 06:45:17,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2021-10-13 06:45:17,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 290. [2021-10-13 06:45:17,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 287 states have (on average 1.2020905923344947) internal successors, (345), 289 states have internal predecessors, (345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:45:17,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 345 transitions. [2021-10-13 06:45:17,598 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 345 transitions. Word has length 46 [2021-10-13 06:45:17,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:45:17,599 INFO L470 AbstractCegarLoop]: Abstraction has 290 states and 345 transitions. [2021-10-13 06:45:17,599 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 6 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:45:17,599 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 345 transitions. [2021-10-13 06:45:17,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-10-13 06:45:17,599 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:45:17,599 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:45:17,608 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (45)] Ended with exit code 0 [2021-10-13 06:45:17,800 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 06:45:17,800 INFO L402 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr101ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-10-13 06:45:17,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:45:17,800 INFO L82 PathProgramCache]: Analyzing trace with hash -1018198740, now seen corresponding path program 1 times [2021-10-13 06:45:17,801 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:45:17,801 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [501798188] [2021-10-13 06:45:17,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:45:17,801 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:45:17,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:45:17,802 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:45:17,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (46)] Waiting until timeout for monitored process [2021-10-13 06:45:18,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:45:18,544 INFO L263 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-13 06:45:18,546 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:45:18,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:45:18,798 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:45:18,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:45:18,991 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:45:18,991 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [501798188] [2021-10-13 06:45:18,991 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [501798188] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 06:45:18,991 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:45:18,991 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 9] imperfect sequences [] total 17 [2021-10-13 06:45:18,991 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112208766] [2021-10-13 06:45:18,992 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-10-13 06:45:18,992 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:45:18,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-10-13 06:45:18,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2021-10-13 06:45:18,996 INFO L87 Difference]: Start difference. First operand 290 states and 345 transitions. Second operand has 17 states, 17 states have (on average 3.8823529411764706) internal successors, (66), 17 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:45:19,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:45:19,504 INFO L93 Difference]: Finished difference Result 371 states and 443 transitions. [2021-10-13 06:45:19,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-13 06:45:19,505 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 3.8823529411764706) internal successors, (66), 17 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 47 [2021-10-13 06:45:19,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:45:19,505 INFO L225 Difference]: With dead ends: 371 [2021-10-13 06:45:19,505 INFO L226 Difference]: Without dead ends: 273 [2021-10-13 06:45:19,506 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 409.8ms TimeCoverageRelationStatistics Valid=213, Invalid=657, Unknown=0, NotChecked=0, Total=870 [2021-10-13 06:45:19,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2021-10-13 06:45:19,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 214. [2021-10-13 06:45:19,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 212 states have (on average 1.1886792452830188) internal successors, (252), 213 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:45:19,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 252 transitions. [2021-10-13 06:45:19,510 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 252 transitions. Word has length 47 [2021-10-13 06:45:19,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:45:19,511 INFO L470 AbstractCegarLoop]: Abstraction has 214 states and 252 transitions. [2021-10-13 06:45:19,511 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 3.8823529411764706) internal successors, (66), 17 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:45:19,511 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 252 transitions. [2021-10-13 06:45:19,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-10-13 06:45:19,512 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:45:19,512 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:45:19,522 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (46)] Ended with exit code 0 [2021-10-13 06:45:19,716 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 06:45:19,716 INFO L402 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr102ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 101 more)] === [2021-10-13 06:45:19,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:45:19,717 INFO L82 PathProgramCache]: Analyzing trace with hash 1477898981, now seen corresponding path program 1 times [2021-10-13 06:45:19,717 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:45:19,717 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1232479614] [2021-10-13 06:45:19,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:45:19,717 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:45:19,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:45:19,718 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:45:19,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (47)] Waiting until timeout for monitored process [2021-10-13 06:45:20,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 06:45:20,471 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 06:45:20,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 06:45:20,649 INFO L133 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-10-13 06:45:20,650 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-13 06:45:20,651 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr102ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:45:20,652 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:45:20,653 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:45:20,653 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:45:20,653 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:45:20,653 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:45:20,653 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:45:20,654 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:45:20,654 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:45:20,654 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:45:20,654 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:45:20,654 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:45:20,654 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:45:20,655 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:45:20,655 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:45:20,655 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:45:20,655 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:45:20,655 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:45:20,656 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:45:20,656 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:45:20,656 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:45:20,656 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:45:20,656 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:45:20,656 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:45:20,657 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:45:20,657 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:45:20,657 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:45:20,657 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:45:20,657 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:45:20,658 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:45:20,658 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:45:20,658 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:45:20,658 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:45:20,658 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:45:20,658 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:45:20,659 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:45:20,659 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:45:20,659 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:45:20,659 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:45:20,659 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:45:20,660 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr39ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:45:20,660 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:45:20,660 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:45:20,660 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:45:20,660 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:45:20,660 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:45:20,661 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:45:20,661 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:45:20,661 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:45:20,661 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:45:20,661 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:45:20,662 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:45:20,662 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:45:20,662 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:45:20,662 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:45:20,662 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:45:20,662 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:45:20,663 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:45:20,663 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:45:20,663 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:45:20,663 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:45:20,663 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:45:20,663 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:45:20,664 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:45:20,664 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:45:20,664 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:45:20,664 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:45:20,664 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:45:20,665 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:45:20,665 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:45:20,665 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:45:20,665 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:45:20,665 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:45:20,665 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:45:20,666 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:45:20,666 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr74ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:45:20,666 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:45:20,666 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr76ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:45:20,666 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr77ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:45:20,667 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr78ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:45:20,667 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr79ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:45:20,667 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:45:20,667 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:45:20,667 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:45:20,668 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:45:20,668 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:45:20,668 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:45:20,668 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr86ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:45:20,668 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr87ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:45:20,668 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr88ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:45:20,669 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr89ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:45:20,669 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr90ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:45:20,669 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr91ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:45:20,669 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr92ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:45:20,669 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr93ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:45:20,670 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr94ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:45:20,670 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr95ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:45:20,670 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr96ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:45:20,670 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr97ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:45:20,670 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr98ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:45:20,671 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr99ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:45:20,671 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:45:20,671 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr101ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:45:20,671 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr103ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 06:45:20,688 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (47)] Forceful destruction successful, exit code 0 [2021-10-13 06:45:20,885 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 47 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 06:45:20,891 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 06:45:21,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 06:45:21 BoogieIcfgContainer [2021-10-13 06:45:21,033 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 06:45:21,034 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 06:45:21,034 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 06:45:21,034 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 06:45:21,035 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:44:29" (3/4) ... [2021-10-13 06:45:21,040 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-13 06:45:21,040 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 06:45:21,041 INFO L168 Benchmark]: Toolchain (without parser) took 55286.21 ms. Allocated memory was 69.2 MB in the beginning and 218.1 MB in the end (delta: 148.9 MB). Free memory was 46.4 MB in the beginning and 57.4 MB in the end (delta: -11.0 MB). Peak memory consumption was 139.2 MB. Max. memory is 16.1 GB. [2021-10-13 06:45:21,042 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 69.2 MB. Free memory is still 49.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 06:45:21,046 INFO L168 Benchmark]: CACSL2BoogieTranslator took 742.60 ms. Allocated memory is still 69.2 MB. Free memory was 46.2 MB in the beginning and 33.1 MB in the end (delta: 13.1 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-10-13 06:45:21,048 INFO L168 Benchmark]: Boogie Procedure Inliner took 260.45 ms. Allocated memory is still 69.2 MB. Free memory was 33.1 MB in the beginning and 37.6 MB in the end (delta: -4.5 MB). Peak memory consumption was 15.2 MB. Max. memory is 16.1 GB. [2021-10-13 06:45:21,048 INFO L168 Benchmark]: Boogie Preprocessor took 191.06 ms. Allocated memory is still 69.2 MB. Free memory was 37.6 MB in the beginning and 25.4 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-13 06:45:21,048 INFO L168 Benchmark]: RCFGBuilder took 2997.17 ms. Allocated memory was 69.2 MB in the beginning and 142.6 MB in the end (delta: 73.4 MB). Free memory was 25.4 MB in the beginning and 101.3 MB in the end (delta: -75.9 MB). Peak memory consumption was 40.2 MB. Max. memory is 16.1 GB. [2021-10-13 06:45:21,049 INFO L168 Benchmark]: TraceAbstraction took 51078.53 ms. Allocated memory was 142.6 MB in the beginning and 218.1 MB in the end (delta: 75.5 MB). Free memory was 101.3 MB in the beginning and 58.5 MB in the end (delta: 42.8 MB). Peak memory consumption was 118.3 MB. Max. memory is 16.1 GB. [2021-10-13 06:45:21,049 INFO L168 Benchmark]: Witness Printer took 6.08 ms. Allocated memory is still 218.1 MB. Free memory was 58.5 MB in the beginning and 57.4 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 06:45:21,051 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 69.2 MB. Free memory is still 49.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 742.60 ms. Allocated memory is still 69.2 MB. Free memory was 46.2 MB in the beginning and 33.1 MB in the end (delta: 13.1 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 260.45 ms. Allocated memory is still 69.2 MB. Free memory was 33.1 MB in the beginning and 37.6 MB in the end (delta: -4.5 MB). Peak memory consumption was 15.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 191.06 ms. Allocated memory is still 69.2 MB. Free memory was 37.6 MB in the beginning and 25.4 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2997.17 ms. Allocated memory was 69.2 MB in the beginning and 142.6 MB in the end (delta: 73.4 MB). Free memory was 25.4 MB in the beginning and 101.3 MB in the end (delta: -75.9 MB). Peak memory consumption was 40.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 51078.53 ms. Allocated memory was 142.6 MB in the beginning and 218.1 MB in the end (delta: 75.5 MB). Free memory was 101.3 MB in the beginning and 58.5 MB in the end (delta: 42.8 MB). Peak memory consumption was 118.3 MB. Max. memory is 16.1 GB. * Witness Printer took 6.08 ms. Allocated memory is still 218.1 MB. Free memory was 58.5 MB in the beginning and 57.4 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 59. Possible FailurePath: [L32] int s ; [L33] int UNLOADED ; [L34] int NP ; [L35] int DC ; [L36] int SKIP1 ; [L37] int SKIP2 ; [L38] int MPR1 ; [L39] int MPR3 ; [L40] int IPC ; [L41] int pended ; [L42] int compFptr ; [L43] int compRegistered ; [L44] int lowerDriverReturn ; [L45] int setEventCalled ; [L46] int customIrp ; [L47] int routine ; [L48] int myStatus ; [L49] int pirp ; [L50] int Executive ; [L51] int Suspended ; [L52] int KernelMode ; [L53] int DeviceUsageTypePaging ; VAL [compFptr=0, compRegistered=0, customIrp=0, DC=0, DeviceUsageTypePaging=0, Executive=0, IPC=0, KernelMode=0, lowerDriverReturn=0, MPR1=0, MPR3=0, myStatus=0, NP=0, pended=0, pirp=0, routine=0, s=0, setEventCalled=0, SKIP1=0, SKIP2=0, Suspended=0, UNLOADED=0] [L1718] int pirp__IoStatus__Status ; [L1719] int d = __VERIFIER_nondet_int() ; [L1720] int status = __VERIFIER_nondet_int() ; [L1721] int irp = __VERIFIER_nondet_int() ; [L1722] int we_should_unload = __VERIFIER_nondet_int() ; [L1723] int irp_choice = __VERIFIER_nondet_int() ; [L1724] int devobj = __VERIFIER_nondet_int() ; [L1725] int __cil_tmp9 ; [L1730] s = 0 [L1731] UNLOADED = 0 [L1732] NP = 0 [L1733] DC = 0 [L1734] SKIP1 = 0 [L1735] SKIP2 = 0 [L1736] MPR1 = 0 [L1737] MPR3 = 0 [L1738] IPC = 0 [L1739] pended = 0 [L1740] compFptr = 0 [L1741] compRegistered = 0 [L1742] lowerDriverReturn = 0 [L1743] setEventCalled = 0 [L1744] customIrp = 0 [L1745] routine = 0 [L1746] myStatus = 0 [L1747] pirp = 0 [L1748] Executive = 0 [L1749] Suspended = 5 [L1750] KernelMode = 0 [L1751] DeviceUsageTypePaging = 1 [L1754] pirp = irp [L67] UNLOADED = 0 [L68] NP = 1 [L69] DC = 2 [L70] SKIP1 = 3 [L71] SKIP2 = 4 [L72] MPR1 = 5 [L73] MPR3 = 6 [L74] IPC = 7 [L75] s = UNLOADED [L76] pended = 0 [L77] compFptr = 0 [L78] compRegistered = 0 [L79] lowerDriverReturn = 0 [L80] setEventCalled = 0 [L81] customIrp = 0 VAL [compFptr=0, compRegistered=0, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=0, NP=1, pended=0, pirp=8, routine=0, s=0, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1757] COND TRUE status >= 0 [L1758] s = NP [L1759] customIrp = 0 [L1760] setEventCalled = customIrp [L1761] lowerDriverReturn = setEventCalled [L1762] compRegistered = lowerDriverReturn [L1763] compFptr = compRegistered [L1764] pended = compFptr [L1765] pirp__IoStatus__Status = 0 [L1766] myStatus = 0 VAL [compFptr=0, compRegistered=0, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=0, NP=1, pended=0, pirp=8, routine=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1767] COND TRUE irp_choice == 0 [L1768] pirp__IoStatus__Status = -1073741637 [L1769] myStatus = -1073741637 VAL [compFptr=0, compRegistered=0, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=3221225659, NP=1, pended=0, pirp=8, routine=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1707] s = NP [L1708] customIrp = 0 [L1709] setEventCalled = customIrp [L1710] lowerDriverReturn = setEventCalled [L1711] compRegistered = lowerDriverReturn [L1712] compFptr = compRegistered [L1713] pended = compFptr VAL [compFptr=0, compRegistered=0, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=3221225659, NP=1, pended=0, pirp=8, routine=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1775] COND FALSE !(status < 0) [L1779] int tmp_ndt_1; [L1780] tmp_ndt_1 = __VERIFIER_nondet_int() [L1781] COND TRUE tmp_ndt_1 == 2 VAL [compFptr=0, compRegistered=0, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=3221225659, NP=1, pended=0, pirp=8, routine=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L313] int deviceExtension__Active = __VERIFIER_nondet_int() ; [L314] int status ; VAL [compFptr=0, compRegistered=0, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=3221225659, NP=1, pended=0, pirp=8, routine=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L317] COND FALSE !(deviceExtension__Active == 2) VAL [compFptr=0, compRegistered=0, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=3221225659, NP=1, pended=0, pirp=8, routine=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L320] COND FALSE !(deviceExtension__Active == 3) VAL [compFptr=0, compRegistered=0, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=3221225659, NP=1, pended=0, pirp=8, routine=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L323] COND FALSE !(deviceExtension__Active == 1) VAL [compFptr=0, compRegistered=0, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=3221225659, NP=1, pended=0, pirp=8, routine=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L326] COND TRUE deviceExtension__Active == 7 VAL [compFptr=0, compRegistered=0, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=3221225659, NP=1, pended=0, pirp=8, routine=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1591] int currentIrpStack__Parameters__DeviceIoControl__IoControlCode = __VERIFIER_nondet_int() ; [L1592] int deviceExtension__TargetDeviceObject = __VERIFIER_nondet_int() ; [L1593] int irpSp__Control ; [L1594] int tmp ; [L1595] int tmp___0 ; [L1596] int __cil_tmp8 ; [L1597] int __cil_tmp9 ; [L1598] int __cil_tmp10 ; [L1599] int __cil_tmp11 ; [L1600] int __cil_tmp12 ; [L1604] __cil_tmp8 = 56 [L1605] __cil_tmp9 = 16384 [L1606] __cil_tmp10 = 131072 [L1607] __cil_tmp11 = 147456 [L1608] __cil_tmp12 = 147512 VAL [compFptr=0, compRegistered=0, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=3221225659, NP=1, pended=0, pirp=8, routine=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1609] COND TRUE currentIrpStack__Parameters__DeviceIoControl__IoControlCode == __cil_tmp12 VAL [compFptr=0, compRegistered=0, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=3221225659, NP=1, pended=0, pirp=8, routine=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1610] COND FALSE !(s != NP) VAL [compFptr=0, compRegistered=0, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=3221225659, NP=1, pended=0, pirp=8, routine=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1615] COND FALSE !(compRegistered != 0) [L1620] compRegistered = 1 [L1621] routine = 0 VAL [compFptr=0, compRegistered=1, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=3221225659, NP=1, pended=0, pirp=8, routine=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1625] irpSp__Control = 224 [L1900] int Irp__PendingReturned = __VERIFIER_nondet_int() ; [L1901] int returnVal2 ; [L1902] int compRetStatus ; [L1903] int lcontext = __VERIFIER_nondet_int() ; [L1904] unsigned long __cil_tmp8 ; VAL [compFptr=0, compRegistered=1, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=3221225659, NP=1, pended=0, pirp=8, routine=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1907] COND TRUE \read(compRegistered) VAL [compFptr=0, compRegistered=1, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=3221225659, NP=1, pended=0, pirp=8, routine=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1908] COND TRUE routine == 0 [L1569] int Irp__PendingReturned = __VERIFIER_nondet_int() ; [L1570] int Irp__AssociatedIrp__SystemBuffer = __VERIFIER_nondet_int() ; [L1573] COND TRUE \read(Irp__PendingReturned) VAL [compFptr=0, compRegistered=1, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=3221225659, NP=1, pended=0, pirp=8, routine=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1574] COND TRUE pended == 0 [L1575] pended = 1 VAL [compFptr=0, compRegistered=1, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=3221225659, NP=1, pended=1, pirp=8, routine=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1582] COND FALSE !(myStatus >= 0) VAL [compFptr=0, compRegistered=1, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=3221225659, NP=1, pended=1, pirp=8, routine=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1587] return (myStatus); VAL [compFptr=0, compRegistered=1, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=3221225659, NP=1, pended=1, pirp=8, routine=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1910] compRetStatus = HPCdrCompletion(DeviceObject, Irp, lcontext) [L1920] __cil_tmp8 = (unsigned long )compRetStatus VAL [compFptr=0, compRegistered=1, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=3221225659, NP=1, pended=1, pirp=8, routine=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1921] COND FALSE !(__cil_tmp8 == -1073741802) VAL [compFptr=0, compRegistered=1, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=3221225659, NP=1, pended=1, pirp=8, routine=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1928] COND FALSE !(\read(Irp__PendingReturned)) [L1931] int tmp_ndt_4; [L1932] tmp_ndt_4 = __VERIFIER_nondet_int() [L1933] COND TRUE tmp_ndt_4 == 0 VAL [compFptr=0, compRegistered=1, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=3221225659, NP=1, pended=1, pirp=8, routine=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1944] returnVal2 = 0 VAL [compFptr=0, compRegistered=1, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=3221225659, NP=1, pended=1, pirp=8, routine=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1958] COND TRUE s == NP [L1959] s = IPC [L1960] lowerDriverReturn = returnVal2 VAL [compFptr=0, compRegistered=1, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=3221225659, NP=1, pended=1, pirp=8, routine=0, s=7, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1981] return (returnVal2); VAL [compFptr=0, compRegistered=1, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=3221225659, NP=1, pended=1, pirp=8, routine=0, s=7, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1626] tmp = IofCallDriver(deviceExtension__TargetDeviceObject, Irp) [L1628] return (tmp); VAL [compFptr=0, compRegistered=1, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=3221225659, NP=1, pended=1, pirp=8, routine=0, s=7, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L348] status = CdAudioHPCdrDeviceControl(DeviceObject, Irp) [L363] return (status); VAL [compFptr=0, compRegistered=1, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=3221225659, NP=1, pended=1, pirp=8, routine=0, s=7, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1798] status = CdAudioDeviceControl(devobj, pirp) [L1819] COND TRUE \read(we_should_unload) [L1825] COND TRUE pended == 1 VAL [compFptr=0, compRegistered=1, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=3221225659, NP=1, pended=1, pirp=8, routine=0, s=7, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1826] COND FALSE !(s == NP) VAL [compFptr=0, compRegistered=1, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=3221225659, NP=1, pended=1, pirp=8, routine=0, s=7, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1833] COND TRUE pended == 1 VAL [compFptr=0, compRegistered=1, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=3221225659, NP=1, pended=1, pirp=8, routine=0, s=7, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1834] COND FALSE !(s == MPR3) VAL [compFptr=0, compRegistered=1, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=3221225659, NP=1, pended=1, pirp=8, routine=0, s=7, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1841] COND TRUE s != UNLOADED VAL [compFptr=0, compRegistered=1, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=3221225659, NP=1, pended=1, pirp=8, routine=0, s=7, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1842] COND TRUE status != -1 VAL [compFptr=0, compRegistered=1, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=3221225659, NP=1, pended=1, pirp=8, routine=0, s=7, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1843] COND TRUE s != SKIP2 VAL [compFptr=0, compRegistered=1, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=3221225659, NP=1, pended=1, pirp=8, routine=0, s=7, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1844] COND FALSE !(s != IPC) VAL [compFptr=0, compRegistered=1, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=3221225659, NP=1, pended=1, pirp=8, routine=0, s=7, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1857] COND FALSE !(pended != 1) VAL [compFptr=0, compRegistered=1, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=3221225659, NP=1, pended=1, pirp=8, routine=0, s=7, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1869] COND TRUE status != 259 VAL [compFptr=0, compRegistered=1, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=3221225659, NP=1, pended=1, pirp=8, routine=0, s=7, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L59] reach_error() VAL [compFptr=0, compRegistered=1, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=3221225659, NP=1, pended=1, pirp=8, routine=0, s=7, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 1717]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 1186 locations, 104 error locations. Started 1 CEGAR loops. OverallTime: 50861.2ms, OverallIterations: 46, TraceHistogramMax: 1, EmptinessCheckTime: 105.9ms, AutomataDifference: 12241.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 34.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 42062 SDtfs, 32970 SDslu, 117840 SDs, 0 SdLazy, 9037 SolverSat, 1365 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6800.8ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2873 GetRequests, 2466 SyntacticMatches, 1 SemanticMatches, 406 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 876 ImplicationChecksByTransitivity, 4159.4ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=1581occurred in iteration=5, InterpolantAutomatonStates: 326, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 916.4ms AutomataMinimizationTime, 45 MinimizatonAttempts, 2880 StatesRemovedByMinimization, 37 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 725.8ms SsaConstructionTime, 1755.2ms SatisfiabilityAnalysisTime, 9685.5ms InterpolantComputationTime, 1448 NumberOfCodeBlocks, 1448 NumberOfCodeBlocksAsserted, 46 NumberOfCheckSat, 2712 ConstructedInterpolants, 0 QuantifiedInterpolants, 6615 SizeOfPredicates, 136 NumberOfNonLiveVariables, 6433 ConjunctsInSsa, 212 ConjunctsInUnsatCore, 90 InterpolantComputations, 90 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-10-13 06:45:21,104 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae5334a-a821-47d8-a749-a495cba94c8e/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...