./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/bitvector/s3_srvr_2a_alt.BV.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/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_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/bitvector/s3_srvr_2a_alt.BV.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 04feb5c83918fd751a112898fdf968c7fd7558ae ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/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_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/bitvector/s3_srvr_2a_alt.BV.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 04feb5c83918fd751a112898fdf968c7fd7558ae ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 07:53:45,818 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:53:45,822 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:53:45,898 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:53:45,899 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:53:45,905 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:53:45,907 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:53:45,912 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:53:45,916 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:53:45,926 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:53:45,928 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:53:45,931 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:53:45,932 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:53:45,935 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:53:45,938 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:53:45,946 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:53:45,949 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:53:45,951 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:53:45,958 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:53:45,967 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:53:45,971 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:53:45,973 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:53:45,978 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:53:45,980 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:53:45,996 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:53:45,996 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:53:45,997 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:53:46,000 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:53:46,001 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:53:46,003 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:53:46,004 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:53:46,005 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:53:46,008 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:53:46,010 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:53:46,013 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:53:46,013 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:53:46,014 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:53:46,015 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:53:46,015 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:53:46,016 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:53:46,018 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:53:46,019 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-13 07:53:46,075 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:53:46,075 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:53:46,077 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:53:46,078 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:53:46,078 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:53:46,078 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:53:46,079 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-13 07:53:46,079 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:53:46,079 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:53:46,080 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-13 07:53:46,081 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-13 07:53:46,081 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:53:46,082 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-13 07:53:46,082 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-13 07:53:46,082 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-13 07:53:46,083 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:53:46,084 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 07:53:46,084 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 07:53:46,084 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 07:53:46,085 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:53:46,085 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 07:53:46,085 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:53:46,086 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 07:53:46,086 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:53:46,086 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 07:53:46,087 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 07:53:46,087 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:53:46,087 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 07:53:46,088 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:53:46,090 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:53:46,090 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:53:46,090 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:53:46,091 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:53:46,091 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 07:53:46,092 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-13 07:53:46,092 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 07:53:46,092 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 07:53:46,093 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:53:46,093 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:53:46,093 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_f59e51ef-8702-4f9a-83a9-b525baafd5e9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 04feb5c83918fd751a112898fdf968c7fd7558ae [2021-10-13 07:53:46,426 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:53:46,458 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:53:46,462 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:53:46,463 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:53:46,468 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:53:46,469 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/bitvector/s3_srvr_2a_alt.BV.c.cil.c [2021-10-13 07:53:46,591 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/data/67b8640db/ccbd77036d0644daac7807738cd00ff7/FLAG1f6f86612 [2021-10-13 07:53:47,193 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:53:47,194 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/sv-benchmarks/c/bitvector/s3_srvr_2a_alt.BV.c.cil.c [2021-10-13 07:53:47,210 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/data/67b8640db/ccbd77036d0644daac7807738cd00ff7/FLAG1f6f86612 [2021-10-13 07:53:47,523 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/data/67b8640db/ccbd77036d0644daac7807738cd00ff7 [2021-10-13 07:53:47,527 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:53:47,528 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:53:47,531 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:53:47,531 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:53:47,550 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:53:47,551 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:53:47" (1/1) ... [2021-10-13 07:53:47,553 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7493448e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:53:47, skipping insertion in model container [2021-10-13 07:53:47,553 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:53:47" (1/1) ... [2021-10-13 07:53:47,562 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:53:47,634 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:53:47,928 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_f59e51ef-8702-4f9a-83a9-b525baafd5e9/sv-benchmarks/c/bitvector/s3_srvr_2a_alt.BV.c.cil.c[44355,44368] [2021-10-13 07:53:47,950 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:53:47,971 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 07:53:48,092 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_f59e51ef-8702-4f9a-83a9-b525baafd5e9/sv-benchmarks/c/bitvector/s3_srvr_2a_alt.BV.c.cil.c[44355,44368] [2021-10-13 07:53:48,103 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:53:48,129 INFO L208 MainTranslator]: Completed translation [2021-10-13 07:53:48,130 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:53:48 WrapperNode [2021-10-13 07:53:48,131 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:53:48,132 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 07:53:48,133 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 07:53:48,133 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 07:53:48,143 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:53:48" (1/1) ... [2021-10-13 07:53:48,169 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:53:48" (1/1) ... [2021-10-13 07:53:48,233 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 07:53:48,241 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 07:53:48,242 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 07:53:48,242 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 07:53:48,258 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:53:48" (1/1) ... [2021-10-13 07:53:48,258 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:53:48" (1/1) ... [2021-10-13 07:53:48,271 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:53:48" (1/1) ... [2021-10-13 07:53:48,283 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:53:48" (1/1) ... [2021-10-13 07:53:48,294 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:53:48" (1/1) ... [2021-10-13 07:53:48,305 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:53:48" (1/1) ... [2021-10-13 07:53:48,321 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:53:48" (1/1) ... [2021-10-13 07:53:48,326 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 07:53:48,328 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 07:53:48,328 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 07:53:48,328 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 07:53:48,344 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:53:48" (1/1) ... [2021-10-13 07:53:48,354 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:53:48,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 07:53:48,390 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 07:53:48,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 07:53:48,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 07:53:48,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 07:53:48,463 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 07:53:48,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 07:53:48,637 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 07:53:49,287 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2021-10-13 07:53:49,288 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2021-10-13 07:53:49,764 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 07:53:49,764 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-13 07:53:49,768 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:53:49 BoogieIcfgContainer [2021-10-13 07:53:49,768 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 07:53:49,771 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 07:53:49,771 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 07:53:49,776 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 07:53:49,777 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:53:47" (1/3) ... [2021-10-13 07:53:49,778 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11cc0466 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:53:49, skipping insertion in model container [2021-10-13 07:53:49,778 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:53:48" (2/3) ... [2021-10-13 07:53:49,779 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11cc0466 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:53:49, skipping insertion in model container [2021-10-13 07:53:49,779 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:53:49" (3/3) ... [2021-10-13 07:53:49,782 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr_2a_alt.BV.c.cil.c [2021-10-13 07:53:49,795 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 07:53:49,796 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-13 07:53:49,855 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 07:53:49,862 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=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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 07:53:49,863 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-13 07:53:49,885 INFO L276 IsEmpty]: Start isEmpty. Operand has 104 states, 102 states have (on average 1.7843137254901962) internal successors, (182), 103 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:53:49,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-10-13 07:53:49,896 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:53:49,897 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 07:53:49,897 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:53:49,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:53:49,905 INFO L82 PathProgramCache]: Analyzing trace with hash 1320956486, now seen corresponding path program 1 times [2021-10-13 07:53:49,918 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 07:53:49,919 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621596631] [2021-10-13 07:53:49,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:53:49,920 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 07:53:50,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:53:50,171 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 07:53:50,172 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 07:53:50,173 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621596631] [2021-10-13 07:53:50,174 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [621596631] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 07:53:50,174 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:53:50,174 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 07:53:50,177 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744642241] [2021-10-13 07:53:50,183 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 07:53:50,184 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 07:53:50,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 07:53:50,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 07:53:50,259 INFO L87 Difference]: Start difference. First operand has 104 states, 102 states have (on average 1.7843137254901962) internal successors, (182), 103 states have internal predecessors, (182), 0 states have call successors, (0), 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 13.0) internal successors, (39), 2 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:53:50,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:53:50,558 INFO L93 Difference]: Finished difference Result 215 states and 374 transitions. [2021-10-13 07:53:50,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 07:53:50,561 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 2 states have internal predecessors, (39), 0 states have call successors, (0), 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 07:53:50,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:53:50,578 INFO L225 Difference]: With dead ends: 215 [2021-10-13 07:53:50,579 INFO L226 Difference]: Without dead ends: 105 [2021-10-13 07:53:50,583 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 07:53:50,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2021-10-13 07:53:50,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 103. [2021-10-13 07:53:50,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 102 states have (on average 1.4509803921568627) internal successors, (148), 102 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:53:50,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 148 transitions. [2021-10-13 07:53:50,658 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 148 transitions. Word has length 39 [2021-10-13 07:53:50,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:53:50,659 INFO L470 AbstractCegarLoop]: Abstraction has 103 states and 148 transitions. [2021-10-13 07:53:50,659 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 2 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:53:50,659 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 148 transitions. [2021-10-13 07:53:50,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-10-13 07:53:50,662 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:53:50,663 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:53:50,663 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-13 07:53:50,663 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:53:50,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:53:50,665 INFO L82 PathProgramCache]: Analyzing trace with hash -880717989, now seen corresponding path program 1 times [2021-10-13 07:53:50,665 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 07:53:50,665 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7583542] [2021-10-13 07:53:50,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:53:50,666 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 07:53:50,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:53:50,878 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:53:50,878 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 07:53:50,879 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7583542] [2021-10-13 07:53:50,879 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [7583542] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 07:53:50,879 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [707063767] [2021-10-13 07:53:50,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:53:50,880 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 07:53:50,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 07:53:50,884 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 07:53:50,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-13 07:53:50,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:53:50,979 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 07:53:50,986 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:53:51,237 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:53:51,238 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:53:51,502 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-10-13 07:53:51,503 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [707063767] provided 1 perfect and 1 imperfect interpolant sequences [2021-10-13 07:53:51,503 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2021-10-13 07:53:51,503 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3, 3] total 4 [2021-10-13 07:53:51,505 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113693229] [2021-10-13 07:53:51,506 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 07:53:51,507 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 07:53:51,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 07:53:51,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-13 07:53:51,512 INFO L87 Difference]: Start difference. First operand 103 states and 148 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:53:51,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:53:51,567 INFO L93 Difference]: Finished difference Result 193 states and 283 transitions. [2021-10-13 07:53:51,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 07:53:51,568 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 0 states have call successors, (0), 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 53 [2021-10-13 07:53:51,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:53:51,577 INFO L225 Difference]: With dead ends: 193 [2021-10-13 07:53:51,577 INFO L226 Difference]: Without dead ends: 191 [2021-10-13 07:53:51,579 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 15.6ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-13 07:53:51,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2021-10-13 07:53:51,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 190. [2021-10-13 07:53:51,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 189 states have (on average 1.4814814814814814) internal successors, (280), 189 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:53:51,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 280 transitions. [2021-10-13 07:53:51,622 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 280 transitions. Word has length 53 [2021-10-13 07:53:51,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:53:51,623 INFO L470 AbstractCegarLoop]: Abstraction has 190 states and 280 transitions. [2021-10-13 07:53:51,624 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:53:51,624 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 280 transitions. [2021-10-13 07:53:51,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-10-13 07:53:51,633 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:53:51,634 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:53:51,688 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-13 07:53:51,847 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2021-10-13 07:53:51,848 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:53:51,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:53:51,849 INFO L82 PathProgramCache]: Analyzing trace with hash -653826653, now seen corresponding path program 1 times [2021-10-13 07:53:51,849 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 07:53:51,849 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498030905] [2021-10-13 07:53:51,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:53:51,850 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 07:53:51,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:53:52,002 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-10-13 07:53:52,003 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 07:53:52,003 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [498030905] [2021-10-13 07:53:52,003 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [498030905] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 07:53:52,004 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:53:52,004 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-13 07:53:52,004 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746383903] [2021-10-13 07:53:52,005 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 07:53:52,005 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 07:53:52,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 07:53:52,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:53:52,007 INFO L87 Difference]: Start difference. First operand 190 states and 280 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 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 07:53:52,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:53:52,233 INFO L93 Difference]: Finished difference Result 331 states and 497 transitions. [2021-10-13 07:53:52,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 07:53:52,235 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 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 70 [2021-10-13 07:53:52,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:53:52,238 INFO L225 Difference]: With dead ends: 331 [2021-10-13 07:53:52,238 INFO L226 Difference]: Without dead ends: 240 [2021-10-13 07:53:52,239 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.5ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:53:52,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2021-10-13 07:53:52,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 228. [2021-10-13 07:53:52,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 227 states have (on average 1.4185022026431717) internal successors, (322), 227 states have internal predecessors, (322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:53:52,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 322 transitions. [2021-10-13 07:53:52,261 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 322 transitions. Word has length 70 [2021-10-13 07:53:52,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:53:52,262 INFO L470 AbstractCegarLoop]: Abstraction has 228 states and 322 transitions. [2021-10-13 07:53:52,262 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 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 07:53:52,262 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 322 transitions. [2021-10-13 07:53:52,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-10-13 07:53:52,267 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:53:52,267 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:53:52,267 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-13 07:53:52,268 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:53:52,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:53:52,268 INFO L82 PathProgramCache]: Analyzing trace with hash 2000170960, now seen corresponding path program 1 times [2021-10-13 07:53:52,269 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 07:53:52,269 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32170869] [2021-10-13 07:53:52,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:53:52,270 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 07:53:52,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:53:52,357 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-10-13 07:53:52,358 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 07:53:52,358 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32170869] [2021-10-13 07:53:52,358 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [32170869] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 07:53:52,358 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:53:52,363 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 07:53:52,365 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398759174] [2021-10-13 07:53:52,365 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 07:53:52,366 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 07:53:52,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 07:53:52,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 07:53:52,370 INFO L87 Difference]: Start difference. First operand 228 states and 322 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 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 07:53:52,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:53:52,516 INFO L93 Difference]: Finished difference Result 510 states and 738 transitions. [2021-10-13 07:53:52,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 07:53:52,517 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 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 89 [2021-10-13 07:53:52,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:53:52,520 INFO L225 Difference]: With dead ends: 510 [2021-10-13 07:53:52,520 INFO L226 Difference]: Without dead ends: 294 [2021-10-13 07:53:52,522 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 07:53:52,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2021-10-13 07:53:52,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 274. [2021-10-13 07:53:52,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 274 states, 273 states have (on average 1.36996336996337) internal successors, (374), 273 states have internal predecessors, (374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:53:52,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 374 transitions. [2021-10-13 07:53:52,540 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 374 transitions. Word has length 89 [2021-10-13 07:53:52,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:53:52,541 INFO L470 AbstractCegarLoop]: Abstraction has 274 states and 374 transitions. [2021-10-13 07:53:52,542 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 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 07:53:52,542 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 374 transitions. [2021-10-13 07:53:52,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-10-13 07:53:52,547 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:53:52,548 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:53:52,548 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-13 07:53:52,548 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:53:52,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:53:52,549 INFO L82 PathProgramCache]: Analyzing trace with hash -667890088, now seen corresponding path program 1 times [2021-10-13 07:53:52,549 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 07:53:52,550 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536885890] [2021-10-13 07:53:52,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:53:52,550 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 07:53:52,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:53:52,667 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 94 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:53:52,668 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 07:53:52,668 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536885890] [2021-10-13 07:53:52,668 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [536885890] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 07:53:52,669 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1349199233] [2021-10-13 07:53:52,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:53:52,669 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 07:53:52,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 07:53:52,671 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 07:53:52,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-13 07:53:52,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:53:52,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-13 07:53:52,828 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:53:53,286 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 94 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:53:53,286 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:53:53,891 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2021-10-13 07:53:53,891 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1349199233] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 07:53:53,893 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [171700128] [2021-10-13 07:53:53,919 INFO L159 IcfgInterpreter]: Started Sifa with 50 locations of interest [2021-10-13 07:53:53,920 INFO L166 IcfgInterpreter]: Building call graph [2021-10-13 07:53:53,926 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-10-13 07:53:53,933 INFO L176 IcfgInterpreter]: Starting interpretation [2021-10-13 07:53:53,934 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-10-13 07:53:54,417 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:53:54,427 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-13 07:53:54,429 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:53:54,429 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-10-13 07:53:54,431 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-13 07:53:54,432 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:53:54,433 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-10-13 07:53:54,462 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 335 [2021-10-13 07:53:54,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:53:54,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:53:54,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:53:54,575 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-10-13 07:53:54,576 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:53:54,577 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-10-13 07:53:54,578 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:53:54,578 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-10-13 07:53:54,579 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-13 07:53:54,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:53:54,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:53:54,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:53:54,617 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-10-13 07:53:54,618 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:53:54,619 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-10-13 07:53:54,620 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:53:54,620 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-10-13 07:53:54,621 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-10-13 07:53:54,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:53:54,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:53:54,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:53:54,651 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-10-13 07:53:54,666 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:53:54,667 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-10-13 07:53:54,667 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:53:54,673 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-10-13 07:53:54,674 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-10-13 07:53:54,676 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:53:54,805 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:53:54,927 INFO L180 QuantifierPusher]: treesize reduction 18, result has 98.1 percent of original size [2021-10-13 07:53:54,961 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 927 [2021-10-13 07:53:54,963 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-10-13 07:53:54,964 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:936, output treesize:927 [2021-10-13 07:53:55,009 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-13 07:53:55,190 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 07:53:55,191 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: No corresponding IProgramVar for |v_#valid_18| at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermVarsProc.computeTermVarsProc(TermVarsProc.java:97) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermVarsProc.computeTermVarsProc(TermVarsProc.java:83) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.constructTermVarsProc(BasicPredicateFactory.java:92) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.newPredicate(BasicPredicateFactory.java:81) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools.predicate(SymbolicTools.java:174) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools.post(SymbolicTools.java:116) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretInternal(DagInterpreter.java:227) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:209) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:187) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:165) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:123) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:136) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:102) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:268) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:608) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:53) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:392) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-10-13 07:53:55,195 INFO L168 Benchmark]: Toolchain (without parser) took 7666.54 ms. Allocated memory was 98.6 MB in the beginning and 180.4 MB in the end (delta: 81.8 MB). Free memory was 63.9 MB in the beginning and 101.6 MB in the end (delta: -37.7 MB). Peak memory consumption was 83.5 MB. Max. memory is 16.1 GB. [2021-10-13 07:53:55,196 INFO L168 Benchmark]: CDTParser took 0.39 ms. Allocated memory is still 98.6 MB. Free memory is still 50.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:53:55,197 INFO L168 Benchmark]: CACSL2BoogieTranslator took 600.43 ms. Allocated memory was 98.6 MB in the beginning and 138.4 MB in the end (delta: 39.8 MB). Free memory was 63.6 MB in the beginning and 110.5 MB in the end (delta: -46.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 07:53:55,198 INFO L168 Benchmark]: Boogie Procedure Inliner took 108.14 ms. Allocated memory is still 138.4 MB. Free memory was 109.8 MB in the beginning and 107.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 07:53:55,198 INFO L168 Benchmark]: Boogie Preprocessor took 85.19 ms. Allocated memory is still 138.4 MB. Free memory was 107.7 MB in the beginning and 105.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 07:53:55,199 INFO L168 Benchmark]: RCFGBuilder took 1440.94 ms. Allocated memory is still 138.4 MB. Free memory was 105.6 MB in the beginning and 60.2 MB in the end (delta: 45.4 MB). Peak memory consumption was 46.1 MB. Max. memory is 16.1 GB. [2021-10-13 07:53:55,200 INFO L168 Benchmark]: TraceAbstraction took 5423.71 ms. Allocated memory was 138.4 MB in the beginning and 180.4 MB in the end (delta: 41.9 MB). Free memory was 59.5 MB in the beginning and 101.6 MB in the end (delta: -42.1 MB). Peak memory consumption was 42.2 MB. Max. memory is 16.1 GB. [2021-10-13 07:53:55,205 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 ms. Allocated memory is still 98.6 MB. Free memory is still 50.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 600.43 ms. Allocated memory was 98.6 MB in the beginning and 138.4 MB in the end (delta: 39.8 MB). Free memory was 63.6 MB in the beginning and 110.5 MB in the end (delta: -46.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 108.14 ms. Allocated memory is still 138.4 MB. Free memory was 109.8 MB in the beginning and 107.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 85.19 ms. Allocated memory is still 138.4 MB. Free memory was 107.7 MB in the beginning and 105.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1440.94 ms. Allocated memory is still 138.4 MB. Free memory was 105.6 MB in the beginning and 60.2 MB in the end (delta: 45.4 MB). Peak memory consumption was 46.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 5423.71 ms. Allocated memory was 138.4 MB in the beginning and 180.4 MB in the end (delta: 41.9 MB). Free memory was 59.5 MB in the beginning and 101.6 MB in the end (delta: -42.1 MB). Peak memory consumption was 42.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: No corresponding IProgramVar for |v_#valid_18| de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: No corresponding IProgramVar for |v_#valid_18|: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermVarsProc.computeTermVarsProc(TermVarsProc.java:97) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-10-13 07:53:55,254 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 07:53:58,092 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:53:58,095 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:53:58,176 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:53:58,176 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:53:58,182 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:53:58,185 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:53:58,192 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:53:58,196 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:53:58,208 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:53:58,210 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:53:58,212 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:53:58,213 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:53:58,217 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:53:58,221 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:53:58,224 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:53:58,227 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:53:58,228 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:53:58,235 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:53:58,245 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:53:58,249 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:53:58,251 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:53:58,255 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:53:58,258 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:53:58,273 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:53:58,275 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:53:58,276 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:53:58,279 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:53:58,280 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:53:58,281 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:53:58,282 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:53:58,283 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:53:58,286 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:53:58,287 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:53:58,289 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:53:58,289 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:53:58,290 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:53:58,291 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:53:58,291 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:53:58,294 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:53:58,295 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:53:58,296 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-13 07:53:58,353 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:53:58,355 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:53:58,356 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:53:58,357 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:53:58,357 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:53:58,358 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:53:58,358 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:53:58,358 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:53:58,358 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:53:58,361 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:53:58,362 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 07:53:58,363 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 07:53:58,363 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:53:58,363 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 07:53:58,364 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:53:58,364 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 07:53:58,364 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:53:58,364 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 07:53:58,365 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 07:53:58,365 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 07:53:58,365 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 07:53:58,365 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:53:58,366 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 07:53:58,366 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:53:58,366 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 07:53:58,367 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:53:58,367 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:53:58,367 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:53:58,368 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:53:58,368 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 07:53:58,368 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-13 07:53:58,368 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 07:53:58,369 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 07:53:58,369 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:53:58,370 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:53:58,370 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_f59e51ef-8702-4f9a-83a9-b525baafd5e9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 04feb5c83918fd751a112898fdf968c7fd7558ae [2021-10-13 07:53:58,852 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:53:58,883 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:53:58,887 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:53:58,889 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:53:58,890 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:53:58,891 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/bitvector/s3_srvr_2a_alt.BV.c.cil.c [2021-10-13 07:53:58,979 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/data/77d5d1ceb/f0ada8c72b0e4334af6b73fe95d30a02/FLAG0c761439c [2021-10-13 07:53:59,780 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:53:59,781 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/sv-benchmarks/c/bitvector/s3_srvr_2a_alt.BV.c.cil.c [2021-10-13 07:53:59,801 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/data/77d5d1ceb/f0ada8c72b0e4334af6b73fe95d30a02/FLAG0c761439c [2021-10-13 07:54:00,006 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/data/77d5d1ceb/f0ada8c72b0e4334af6b73fe95d30a02 [2021-10-13 07:54:00,009 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:54:00,011 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:54:00,013 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:54:00,013 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:54:00,017 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:54:00,018 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:54:00" (1/1) ... [2021-10-13 07:54:00,020 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@620b2640 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:54:00, skipping insertion in model container [2021-10-13 07:54:00,020 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:54:00" (1/1) ... [2021-10-13 07:54:00,029 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:54:00,070 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:54:00,376 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_f59e51ef-8702-4f9a-83a9-b525baafd5e9/sv-benchmarks/c/bitvector/s3_srvr_2a_alt.BV.c.cil.c[44355,44368] [2021-10-13 07:54:00,385 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:54:00,407 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 07:54:00,519 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_f59e51ef-8702-4f9a-83a9-b525baafd5e9/sv-benchmarks/c/bitvector/s3_srvr_2a_alt.BV.c.cil.c[44355,44368] [2021-10-13 07:54:00,523 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:54:00,543 INFO L208 MainTranslator]: Completed translation [2021-10-13 07:54:00,544 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:54:00 WrapperNode [2021-10-13 07:54:00,544 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:54:00,546 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 07:54:00,546 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 07:54:00,546 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 07:54:00,555 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:54:00" (1/1) ... [2021-10-13 07:54:00,571 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:54:00" (1/1) ... [2021-10-13 07:54:00,612 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 07:54:00,613 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 07:54:00,614 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 07:54:00,614 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 07:54:00,625 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:54:00" (1/1) ... [2021-10-13 07:54:00,625 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:54:00" (1/1) ... [2021-10-13 07:54:00,633 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:54:00" (1/1) ... [2021-10-13 07:54:00,633 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:54:00" (1/1) ... [2021-10-13 07:54:00,645 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:54:00" (1/1) ... [2021-10-13 07:54:00,669 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:54:00" (1/1) ... [2021-10-13 07:54:00,672 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:54:00" (1/1) ... [2021-10-13 07:54:00,686 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 07:54:00,687 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 07:54:00,687 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 07:54:00,687 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 07:54:00,688 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:54:00" (1/1) ... [2021-10-13 07:54:00,714 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:54:00,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 07:54:00,762 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 07:54:00,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 07:54:00,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-13 07:54:00,811 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 07:54:00,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 07:54:00,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 07:54:01,026 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 07:54:01,776 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2021-10-13 07:54:01,777 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2021-10-13 07:54:01,788 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 07:54:01,788 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-13 07:54:01,791 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:54:01 BoogieIcfgContainer [2021-10-13 07:54:01,791 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 07:54:01,793 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 07:54:01,794 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 07:54:01,797 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 07:54:01,798 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:54:00" (1/3) ... [2021-10-13 07:54:01,799 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65ea0181 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:54:01, skipping insertion in model container [2021-10-13 07:54:01,799 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:54:00" (2/3) ... [2021-10-13 07:54:01,800 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65ea0181 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:54:01, skipping insertion in model container [2021-10-13 07:54:01,800 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:54:01" (3/3) ... [2021-10-13 07:54:01,802 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr_2a_alt.BV.c.cil.c [2021-10-13 07:54:01,808 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 07:54:01,809 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-13 07:54:01,876 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 07:54:01,882 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=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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 07:54:01,883 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-13 07:54:01,906 INFO L276 IsEmpty]: Start isEmpty. Operand has 138 states, 136 states have (on average 1.7426470588235294) internal successors, (237), 137 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:54:01,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-10-13 07:54:01,918 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:54:01,919 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 07:54:01,919 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:54:01,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:54:01,926 INFO L82 PathProgramCache]: Analyzing trace with hash 1632002022, now seen corresponding path program 1 times [2021-10-13 07:54:01,942 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:54:01,942 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [717639214] [2021-10-13 07:54:01,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:54:01,944 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:54:01,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:54:01,948 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:54:01,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-13 07:54:02,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:54:02,118 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 07:54:02,126 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:54:02,526 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 07:54:02,527 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:54:02,751 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 07:54:02,752 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:54:02,752 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [717639214] [2021-10-13 07:54:02,753 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [717639214] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:54:02,754 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:54:02,754 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-13 07:54:02,757 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009906434] [2021-10-13 07:54:02,766 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 07:54:02,768 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:54:02,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 07:54:02,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 07:54:02,798 INFO L87 Difference]: Start difference. First operand has 138 states, 136 states have (on average 1.7426470588235294) internal successors, (237), 137 states have internal predecessors, (237), 0 states have call successors, (0), 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 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:54:03,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:54:03,145 INFO L93 Difference]: Finished difference Result 284 states and 484 transitions. [2021-10-13 07:54:03,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 07:54:03,148 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 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 07:54:03,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:54:03,162 INFO L225 Difference]: With dead ends: 284 [2021-10-13 07:54:03,162 INFO L226 Difference]: Without dead ends: 128 [2021-10-13 07:54:03,166 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 07:54:03,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2021-10-13 07:54:03,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 125. [2021-10-13 07:54:03,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 124 states have (on average 1.4919354838709677) internal successors, (185), 124 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:54:03,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 185 transitions. [2021-10-13 07:54:03,215 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 185 transitions. Word has length 44 [2021-10-13 07:54:03,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:54:03,216 INFO L470 AbstractCegarLoop]: Abstraction has 125 states and 185 transitions. [2021-10-13 07:54:03,216 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:54:03,216 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 185 transitions. [2021-10-13 07:54:03,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-10-13 07:54:03,219 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:54:03,220 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:54:03,241 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-13 07:54:03,432 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:54:03,433 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:54:03,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:54:03,434 INFO L82 PathProgramCache]: Analyzing trace with hash 2033157093, now seen corresponding path program 1 times [2021-10-13 07:54:03,435 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:54:03,435 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1914019405] [2021-10-13 07:54:03,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:54:03,436 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:54:03,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:54:03,437 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:54:03,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-13 07:54:03,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:54:03,569 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 07:54:03,574 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:54:03,810 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:54:03,810 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:54:04,030 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:54:04,030 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:54:04,031 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1914019405] [2021-10-13 07:54:04,031 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1914019405] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:54:04,031 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:54:04,031 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-13 07:54:04,032 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572693519] [2021-10-13 07:54:04,034 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 07:54:04,034 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:54:04,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 07:54:04,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:54:04,036 INFO L87 Difference]: Start difference. First operand 125 states and 185 transitions. Second operand has 4 states, 4 states have (on average 25.25) internal successors, (101), 4 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:54:04,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:54:04,145 INFO L93 Difference]: Finished difference Result 432 states and 659 transitions. [2021-10-13 07:54:04,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 07:54:04,146 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.25) internal successors, (101), 4 states have internal predecessors, (101), 0 states have call successors, (0), 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 60 [2021-10-13 07:54:04,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:54:04,151 INFO L225 Difference]: With dead ends: 432 [2021-10-13 07:54:04,151 INFO L226 Difference]: Without dead ends: 326 [2021-10-13 07:54:04,153 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.1ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:54:04,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2021-10-13 07:54:04,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 326. [2021-10-13 07:54:04,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 326 states, 325 states have (on average 1.5138461538461538) internal successors, (492), 325 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:54:04,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 492 transitions. [2021-10-13 07:54:04,233 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 492 transitions. Word has length 60 [2021-10-13 07:54:04,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:54:04,235 INFO L470 AbstractCegarLoop]: Abstraction has 326 states and 492 transitions. [2021-10-13 07:54:04,235 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.25) internal successors, (101), 4 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:54:04,236 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 492 transitions. [2021-10-13 07:54:04,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-10-13 07:54:04,252 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:54:04,252 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:54:04,268 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-13 07:54:04,453 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:54:04,453 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:54:04,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:54:04,454 INFO L82 PathProgramCache]: Analyzing trace with hash -1976048908, now seen corresponding path program 1 times [2021-10-13 07:54:04,455 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:54:04,455 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1560451400] [2021-10-13 07:54:04,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:54:04,456 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:54:04,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:54:04,458 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:54:04,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-13 07:54:04,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:54:04,611 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 07:54:04,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:54:04,903 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-10-13 07:54:04,903 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:54:05,221 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-10-13 07:54:05,221 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:54:05,221 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1560451400] [2021-10-13 07:54:05,222 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1560451400] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:54:05,222 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:54:05,222 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-13 07:54:05,222 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885347727] [2021-10-13 07:54:05,225 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 07:54:05,225 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:54:05,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 07:54:05,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 07:54:05,233 INFO L87 Difference]: Start difference. First operand 326 states and 492 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:54:05,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:54:05,263 INFO L93 Difference]: Finished difference Result 635 states and 964 transitions. [2021-10-13 07:54:05,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 07:54:05,264 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 0 states have call successors, (0), 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 82 [2021-10-13 07:54:05,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:54:05,267 INFO L225 Difference]: With dead ends: 635 [2021-10-13 07:54:05,268 INFO L226 Difference]: Without dead ends: 328 [2021-10-13 07:54:05,269 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 07:54:05,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2021-10-13 07:54:05,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 328. [2021-10-13 07:54:05,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 328 states, 327 states have (on average 1.510703363914373) internal successors, (494), 327 states have internal predecessors, (494), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:54:05,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 494 transitions. [2021-10-13 07:54:05,296 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 494 transitions. Word has length 82 [2021-10-13 07:54:05,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:54:05,297 INFO L470 AbstractCegarLoop]: Abstraction has 328 states and 494 transitions. [2021-10-13 07:54:05,297 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:54:05,297 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 494 transitions. [2021-10-13 07:54:05,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-10-13 07:54:05,300 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:54:05,300 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:54:05,323 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-13 07:54:05,523 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:54:05,524 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:54:05,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:54:05,524 INFO L82 PathProgramCache]: Analyzing trace with hash -1614320406, now seen corresponding path program 1 times [2021-10-13 07:54:05,525 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:54:05,526 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1719639819] [2021-10-13 07:54:05,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:54:05,526 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:54:05,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:54:05,528 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:54:05,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-13 07:54:05,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:54:05,752 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 07:54:05,757 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:54:06,061 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-13 07:54:06,062 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:54:06,333 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-13 07:54:06,334 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:54:06,335 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1719639819] [2021-10-13 07:54:06,335 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1719639819] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:54:06,335 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:54:06,335 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-13 07:54:06,336 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659669379] [2021-10-13 07:54:06,337 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 07:54:06,337 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:54:06,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 07:54:06,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:54:06,339 INFO L87 Difference]: Start difference. First operand 328 states and 494 transitions. Second operand has 4 states, 4 states have (on average 27.75) internal successors, (111), 4 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:54:06,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:54:06,680 INFO L93 Difference]: Finished difference Result 847 states and 1312 transitions. [2021-10-13 07:54:06,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 07:54:06,681 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.75) internal successors, (111), 4 states have internal predecessors, (111), 0 states have call successors, (0), 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 103 [2021-10-13 07:54:06,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:54:06,686 INFO L225 Difference]: With dead ends: 847 [2021-10-13 07:54:06,686 INFO L226 Difference]: Without dead ends: 540 [2021-10-13 07:54:06,687 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.4ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:54:06,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 540 states. [2021-10-13 07:54:06,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 540 to 516. [2021-10-13 07:54:06,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 516 states, 515 states have (on average 1.4174757281553398) internal successors, (730), 515 states have internal predecessors, (730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:54:06,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 516 states and 730 transitions. [2021-10-13 07:54:06,729 INFO L78 Accepts]: Start accepts. Automaton has 516 states and 730 transitions. Word has length 103 [2021-10-13 07:54:06,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:54:06,730 INFO L470 AbstractCegarLoop]: Abstraction has 516 states and 730 transitions. [2021-10-13 07:54:06,730 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.75) internal successors, (111), 4 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:54:06,731 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 730 transitions. [2021-10-13 07:54:06,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-10-13 07:54:06,734 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:54:06,734 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:54:06,759 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-13 07:54:06,952 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:54:06,952 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:54:06,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:54:06,953 INFO L82 PathProgramCache]: Analyzing trace with hash 2020105131, now seen corresponding path program 1 times [2021-10-13 07:54:06,954 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:54:06,954 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [729568284] [2021-10-13 07:54:06,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:54:06,954 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:54:06,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:54:06,957 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:54:06,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-13 07:54:07,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:54:07,237 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 07:54:07,240 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:54:07,534 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-13 07:54:07,535 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:54:07,830 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-13 07:54:07,831 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:54:07,831 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [729568284] [2021-10-13 07:54:07,832 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [729568284] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:54:07,832 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:54:07,832 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-13 07:54:07,833 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916687509] [2021-10-13 07:54:07,833 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 07:54:07,834 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:54:07,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 07:54:07,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:54:07,835 INFO L87 Difference]: Start difference. First operand 516 states and 730 transitions. Second operand has 4 states, 4 states have (on average 28.25) internal successors, (113), 4 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:54:08,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:54:08,124 INFO L93 Difference]: Finished difference Result 1144 states and 1642 transitions. [2021-10-13 07:54:08,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 07:54:08,128 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.25) internal successors, (113), 4 states have internal predecessors, (113), 0 states have call successors, (0), 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 104 [2021-10-13 07:54:08,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:54:08,134 INFO L225 Difference]: With dead ends: 1144 [2021-10-13 07:54:08,134 INFO L226 Difference]: Without dead ends: 649 [2021-10-13 07:54:08,136 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.9ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:54:08,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 649 states. [2021-10-13 07:54:08,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 649 to 628. [2021-10-13 07:54:08,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 628 states, 627 states have (on average 1.4162679425837321) internal successors, (888), 627 states have internal predecessors, (888), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:54:08,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 628 states and 888 transitions. [2021-10-13 07:54:08,173 INFO L78 Accepts]: Start accepts. Automaton has 628 states and 888 transitions. Word has length 104 [2021-10-13 07:54:08,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:54:08,174 INFO L470 AbstractCegarLoop]: Abstraction has 628 states and 888 transitions. [2021-10-13 07:54:08,174 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.25) internal successors, (113), 4 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:54:08,174 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 888 transitions. [2021-10-13 07:54:08,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2021-10-13 07:54:08,178 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:54:08,179 INFO L512 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 5, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:54:08,197 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-13 07:54:08,393 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:54:08,394 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:54:08,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:54:08,394 INFO L82 PathProgramCache]: Analyzing trace with hash -1728047681, now seen corresponding path program 1 times [2021-10-13 07:54:08,395 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:54:08,395 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2054990600] [2021-10-13 07:54:08,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:54:08,395 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:54:08,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:54:08,397 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:54:08,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-13 07:54:08,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:54:08,773 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 07:54:08,777 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:54:09,163 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 219 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2021-10-13 07:54:09,163 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:54:09,564 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 219 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2021-10-13 07:54:09,566 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:54:09,568 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2054990600] [2021-10-13 07:54:09,569 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2054990600] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:54:09,569 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:54:09,569 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-13 07:54:09,570 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210176242] [2021-10-13 07:54:09,571 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 07:54:09,572 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:54:09,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 07:54:09,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:54:09,574 INFO L87 Difference]: Start difference. First operand 628 states and 888 transitions. Second operand has 4 states, 4 states have (on average 29.0) internal successors, (116), 4 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:54:09,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:54:09,860 INFO L93 Difference]: Finished difference Result 1355 states and 1939 transitions. [2021-10-13 07:54:09,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 07:54:09,861 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 29.0) internal successors, (116), 4 states have internal predecessors, (116), 0 states have call successors, (0), 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 159 [2021-10-13 07:54:09,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:54:09,869 INFO L225 Difference]: With dead ends: 1355 [2021-10-13 07:54:09,870 INFO L226 Difference]: Without dead ends: 748 [2021-10-13 07:54:09,871 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 316 GetRequests, 314 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.2ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:54:09,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 748 states. [2021-10-13 07:54:09,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 748 to 703. [2021-10-13 07:54:09,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 703 states, 702 states have (on average 1.3888888888888888) internal successors, (975), 702 states have internal predecessors, (975), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:54:09,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 703 states to 703 states and 975 transitions. [2021-10-13 07:54:09,912 INFO L78 Accepts]: Start accepts. Automaton has 703 states and 975 transitions. Word has length 159 [2021-10-13 07:54:09,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:54:09,913 INFO L470 AbstractCegarLoop]: Abstraction has 703 states and 975 transitions. [2021-10-13 07:54:09,914 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.0) internal successors, (116), 4 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:54:09,916 INFO L276 IsEmpty]: Start isEmpty. Operand 703 states and 975 transitions. [2021-10-13 07:54:09,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2021-10-13 07:54:09,920 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:54:09,921 INFO L512 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:54:09,940 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-13 07:54:10,140 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:54:10,140 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:54:10,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:54:10,141 INFO L82 PathProgramCache]: Analyzing trace with hash -546671195, now seen corresponding path program 1 times [2021-10-13 07:54:10,142 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:54:10,142 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1154150557] [2021-10-13 07:54:10,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:54:10,142 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:54:10,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:54:10,144 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:54:10,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-13 07:54:10,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:54:10,552 INFO L263 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 07:54:10,556 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:54:11,083 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 261 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2021-10-13 07:54:11,083 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:54:11,681 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 261 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2021-10-13 07:54:11,683 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:54:11,683 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1154150557] [2021-10-13 07:54:11,683 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1154150557] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:54:11,684 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:54:11,684 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-13 07:54:11,684 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163245759] [2021-10-13 07:54:11,685 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 07:54:11,686 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:54:11,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 07:54:11,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:54:11,687 INFO L87 Difference]: Start difference. First operand 703 states and 975 transitions. Second operand has 4 states, 4 states have (on average 35.5) internal successors, (142), 4 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:54:12,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:54:12,026 INFO L93 Difference]: Finished difference Result 1530 states and 2162 transitions. [2021-10-13 07:54:12,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 07:54:12,027 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.5) internal successors, (142), 4 states have internal predecessors, (142), 0 states have call successors, (0), 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 200 [2021-10-13 07:54:12,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:54:12,034 INFO L225 Difference]: With dead ends: 1530 [2021-10-13 07:54:12,034 INFO L226 Difference]: Without dead ends: 848 [2021-10-13 07:54:12,036 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 398 GetRequests, 396 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.9ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:54:12,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 848 states. [2021-10-13 07:54:12,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 848 to 829. [2021-10-13 07:54:12,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 829 states, 828 states have (on average 1.3405797101449275) internal successors, (1110), 828 states have internal predecessors, (1110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:54:12,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 829 states to 829 states and 1110 transitions. [2021-10-13 07:54:12,081 INFO L78 Accepts]: Start accepts. Automaton has 829 states and 1110 transitions. Word has length 200 [2021-10-13 07:54:12,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:54:12,081 INFO L470 AbstractCegarLoop]: Abstraction has 829 states and 1110 transitions. [2021-10-13 07:54:12,082 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.5) internal successors, (142), 4 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:54:12,082 INFO L276 IsEmpty]: Start isEmpty. Operand 829 states and 1110 transitions. [2021-10-13 07:54:12,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2021-10-13 07:54:12,087 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:54:12,088 INFO L512 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 6, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:54:12,105 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-10-13 07:54:12,303 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:54:12,304 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:54:12,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:54:12,305 INFO L82 PathProgramCache]: Analyzing trace with hash 1371194429, now seen corresponding path program 1 times [2021-10-13 07:54:12,305 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:54:12,306 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [906359027] [2021-10-13 07:54:12,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:54:12,306 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:54:12,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:54:12,313 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:54:12,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-10-13 07:54:12,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:54:12,917 INFO L263 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 07:54:12,921 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:54:13,405 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 298 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2021-10-13 07:54:13,406 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:54:13,928 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 298 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2021-10-13 07:54:13,929 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:54:13,929 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [906359027] [2021-10-13 07:54:13,929 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [906359027] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:54:13,931 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:54:13,932 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-13 07:54:13,936 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456978486] [2021-10-13 07:54:13,938 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 07:54:13,939 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:54:13,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 07:54:13,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:54:13,940 INFO L87 Difference]: Start difference. First operand 829 states and 1110 transitions. Second operand has 4 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:54:14,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:54:14,221 INFO L93 Difference]: Finished difference Result 1808 states and 2452 transitions. [2021-10-13 07:54:14,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 07:54:14,222 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 0 states have call successors, (0), 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 207 [2021-10-13 07:54:14,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:54:14,230 INFO L225 Difference]: With dead ends: 1808 [2021-10-13 07:54:14,230 INFO L226 Difference]: Without dead ends: 1000 [2021-10-13 07:54:14,233 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 412 GetRequests, 410 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.9ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:54:14,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1000 states. [2021-10-13 07:54:14,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1000 to 970. [2021-10-13 07:54:14,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 970 states, 969 states have (on average 1.3312693498452013) internal successors, (1290), 969 states have internal predecessors, (1290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:54:14,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 970 states to 970 states and 1290 transitions. [2021-10-13 07:54:14,286 INFO L78 Accepts]: Start accepts. Automaton has 970 states and 1290 transitions. Word has length 207 [2021-10-13 07:54:14,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:54:14,287 INFO L470 AbstractCegarLoop]: Abstraction has 970 states and 1290 transitions. [2021-10-13 07:54:14,287 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:54:14,288 INFO L276 IsEmpty]: Start isEmpty. Operand 970 states and 1290 transitions. [2021-10-13 07:54:14,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2021-10-13 07:54:14,293 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:54:14,293 INFO L512 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 6, 6, 5, 5, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:54:14,316 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-10-13 07:54:14,509 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:54:14,509 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:54:14,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:54:14,510 INFO L82 PathProgramCache]: Analyzing trace with hash -328856853, now seen corresponding path program 1 times [2021-10-13 07:54:14,511 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:54:14,511 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1064873154] [2021-10-13 07:54:14,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:54:14,511 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:54:14,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:54:14,513 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:54:14,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-10-13 07:54:15,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:54:15,270 INFO L263 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 07:54:15,273 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:54:15,914 INFO L134 CoverageAnalysis]: Checked inductivity of 624 backedges. 405 proven. 0 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2021-10-13 07:54:15,915 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:54:16,613 INFO L134 CoverageAnalysis]: Checked inductivity of 624 backedges. 405 proven. 0 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2021-10-13 07:54:16,613 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:54:16,614 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1064873154] [2021-10-13 07:54:16,614 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1064873154] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:54:16,614 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:54:16,614 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-13 07:54:16,614 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514958570] [2021-10-13 07:54:16,615 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 07:54:16,616 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:54:16,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 07:54:16,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 07:54:16,617 INFO L87 Difference]: Start difference. First operand 970 states and 1290 transitions. Second operand has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:54:16,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:54:16,824 INFO L93 Difference]: Finished difference Result 2012 states and 2693 transitions. [2021-10-13 07:54:16,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 07:54:16,825 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 0 states have call successors, (0), 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 240 [2021-10-13 07:54:16,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:54:16,833 INFO L225 Difference]: With dead ends: 2012 [2021-10-13 07:54:16,833 INFO L226 Difference]: Without dead ends: 1063 [2021-10-13 07:54:16,835 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 478 GetRequests, 477 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 07:54:16,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1063 states. [2021-10-13 07:54:16,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1063 to 1057. [2021-10-13 07:54:16,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1057 states, 1056 states have (on average 1.3181818181818181) internal successors, (1392), 1056 states have internal predecessors, (1392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:54:16,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1057 states to 1057 states and 1392 transitions. [2021-10-13 07:54:16,920 INFO L78 Accepts]: Start accepts. Automaton has 1057 states and 1392 transitions. Word has length 240 [2021-10-13 07:54:16,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:54:16,921 INFO L470 AbstractCegarLoop]: Abstraction has 1057 states and 1392 transitions. [2021-10-13 07:54:16,921 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:54:16,921 INFO L276 IsEmpty]: Start isEmpty. Operand 1057 states and 1392 transitions. [2021-10-13 07:54:16,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2021-10-13 07:54:16,938 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:54:16,938 INFO L512 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 6, 6, 5, 5, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:54:16,972 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-10-13 07:54:17,154 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:54:17,155 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:54:17,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:54:17,155 INFO L82 PathProgramCache]: Analyzing trace with hash 557282683, now seen corresponding path program 1 times [2021-10-13 07:54:17,156 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:54:17,156 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [992674061] [2021-10-13 07:54:17,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:54:17,156 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:54:17,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:54:17,158 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:54:17,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-10-13 07:54:18,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:54:18,025 INFO L263 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 07:54:18,029 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:54:18,720 INFO L134 CoverageAnalysis]: Checked inductivity of 624 backedges. 431 proven. 0 refuted. 0 times theorem prover too weak. 193 trivial. 0 not checked. [2021-10-13 07:54:18,721 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:54:19,428 INFO L134 CoverageAnalysis]: Checked inductivity of 624 backedges. 431 proven. 0 refuted. 0 times theorem prover too weak. 193 trivial. 0 not checked. [2021-10-13 07:54:19,429 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:54:19,429 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [992674061] [2021-10-13 07:54:19,429 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [992674061] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:54:19,429 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:54:19,430 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-13 07:54:19,430 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775112739] [2021-10-13 07:54:19,431 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 07:54:19,431 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:54:19,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 07:54:19,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 07:54:19,433 INFO L87 Difference]: Start difference. First operand 1057 states and 1392 transitions. Second operand has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:54:19,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:54:19,513 INFO L93 Difference]: Finished difference Result 3123 states and 4117 transitions. [2021-10-13 07:54:19,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 07:54:19,513 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 0 states have call successors, (0), 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 244 [2021-10-13 07:54:19,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:54:19,527 INFO L225 Difference]: With dead ends: 3123 [2021-10-13 07:54:19,527 INFO L226 Difference]: Without dead ends: 2087 [2021-10-13 07:54:19,531 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 486 GetRequests, 485 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 07:54:19,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2087 states. [2021-10-13 07:54:19,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2087 to 2085. [2021-10-13 07:54:19,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2085 states, 2084 states have (on average 1.316218809980806) internal successors, (2743), 2084 states have internal predecessors, (2743), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:54:19,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2085 states to 2085 states and 2743 transitions. [2021-10-13 07:54:19,632 INFO L78 Accepts]: Start accepts. Automaton has 2085 states and 2743 transitions. Word has length 244 [2021-10-13 07:54:19,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:54:19,633 INFO L470 AbstractCegarLoop]: Abstraction has 2085 states and 2743 transitions. [2021-10-13 07:54:19,633 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:54:19,633 INFO L276 IsEmpty]: Start isEmpty. Operand 2085 states and 2743 transitions. [2021-10-13 07:54:19,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2021-10-13 07:54:19,642 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:54:19,643 INFO L512 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 6, 6, 5, 5, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:54:19,664 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-10-13 07:54:19,855 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:54:19,856 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:54:19,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:54:19,856 INFO L82 PathProgramCache]: Analyzing trace with hash 1971337506, now seen corresponding path program 1 times [2021-10-13 07:54:19,857 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:54:19,858 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [183560023] [2021-10-13 07:54:19,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:54:19,858 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:54:19,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:54:19,859 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:54:19,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-10-13 07:54:20,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:54:20,728 INFO L263 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-13 07:54:20,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:54:21,386 INFO L134 CoverageAnalysis]: Checked inductivity of 624 backedges. 425 proven. 16 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2021-10-13 07:54:21,387 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:54:22,030 INFO L134 CoverageAnalysis]: Checked inductivity of 624 backedges. 425 proven. 16 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2021-10-13 07:54:22,030 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:54:22,031 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [183560023] [2021-10-13 07:54:22,031 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [183560023] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 07:54:22,031 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1278161228] [2021-10-13 07:54:22,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:54:22,032 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-13 07:54:22,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/cvc4 [2021-10-13 07:54:22,034 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-13 07:54:22,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2021-10-13 07:54:23,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:54:23,339 INFO L263 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 07:54:23,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:54:24,138 INFO L134 CoverageAnalysis]: Checked inductivity of 624 backedges. 398 proven. 0 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2021-10-13 07:54:24,138 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:54:24,966 INFO L134 CoverageAnalysis]: Checked inductivity of 624 backedges. 398 proven. 0 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2021-10-13 07:54:24,966 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1278161228] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:54:24,967 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-10-13 07:54:24,967 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [4, 4] total 7 [2021-10-13 07:54:24,967 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983000380] [2021-10-13 07:54:24,968 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 07:54:24,968 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:54:24,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 07:54:24,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-10-13 07:54:24,970 INFO L87 Difference]: Start difference. First operand 2085 states and 2743 transitions. Second operand has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:54:25,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:54:25,107 INFO L93 Difference]: Finished difference Result 5553 states and 7300 transitions. [2021-10-13 07:54:25,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 07:54:25,108 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 0 states have call successors, (0), 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 245 [2021-10-13 07:54:25,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:54:25,128 INFO L225 Difference]: With dead ends: 5553 [2021-10-13 07:54:25,129 INFO L226 Difference]: Without dead ends: 3489 [2021-10-13 07:54:25,133 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 976 GetRequests, 971 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 25.7ms TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-10-13 07:54:25,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3489 states. [2021-10-13 07:54:25,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3489 to 3487. [2021-10-13 07:54:25,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3487 states, 3486 states have (on average 1.3100975329890991) internal successors, (4567), 3486 states have internal predecessors, (4567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:54:25,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3487 states to 3487 states and 4567 transitions. [2021-10-13 07:54:25,321 INFO L78 Accepts]: Start accepts. Automaton has 3487 states and 4567 transitions. Word has length 245 [2021-10-13 07:54:25,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:54:25,322 INFO L470 AbstractCegarLoop]: Abstraction has 3487 states and 4567 transitions. [2021-10-13 07:54:25,322 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:54:25,322 INFO L276 IsEmpty]: Start isEmpty. Operand 3487 states and 4567 transitions. [2021-10-13 07:54:25,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2021-10-13 07:54:25,334 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:54:25,335 INFO L512 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 07:54:25,352 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-10-13 07:54:25,551 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2021-10-13 07:54:25,748 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt [2021-10-13 07:54:25,748 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:54:25,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:54:25,749 INFO L82 PathProgramCache]: Analyzing trace with hash -482554043, now seen corresponding path program 1 times [2021-10-13 07:54:25,749 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:54:25,750 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2012629054] [2021-10-13 07:54:25,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:54:25,750 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:54:25,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:54:25,751 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:54:25,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-10-13 07:54:26,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:54:26,771 INFO L263 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-13 07:54:26,774 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:54:27,443 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 430 proven. 16 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2021-10-13 07:54:27,443 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:54:28,068 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 430 proven. 16 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2021-10-13 07:54:28,068 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:54:28,069 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2012629054] [2021-10-13 07:54:28,069 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2012629054] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 07:54:28,069 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [190162898] [2021-10-13 07:54:28,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:54:28,070 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-13 07:54:28,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/cvc4 [2021-10-13 07:54:28,075 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-13 07:54:28,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2021-10-13 07:54:29,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:54:29,650 INFO L263 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-13 07:54:29,655 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:54:30,370 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 430 proven. 16 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2021-10-13 07:54:30,370 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:54:31,017 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 430 proven. 16 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2021-10-13 07:54:31,018 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [190162898] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 07:54:31,018 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1204540516] [2021-10-13 07:54:31,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:54:31,018 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 07:54:31,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 07:54:31,019 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 07:54:31,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2021-10-13 07:54:32,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:54:32,676 INFO L263 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-13 07:54:32,681 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:54:33,312 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 430 proven. 16 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2021-10-13 07:54:33,313 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:54:33,952 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 430 proven. 16 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2021-10-13 07:54:33,952 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1204540516] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 07:54:33,952 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-10-13 07:54:33,956 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4, 4, 4, 4] total 6 [2021-10-13 07:54:33,957 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330796785] [2021-10-13 07:54:33,958 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-13 07:54:33,959 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:54:33,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 07:54:33,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-13 07:54:33,960 INFO L87 Difference]: Start difference. First operand 3487 states and 4567 transitions. Second operand has 6 states, 6 states have (on average 34.333333333333336) internal successors, (206), 6 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:54:34,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:54:34,940 INFO L93 Difference]: Finished difference Result 10708 states and 14065 transitions. [2021-10-13 07:54:34,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-13 07:54:34,941 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 34.333333333333336) internal successors, (206), 6 states have internal predecessors, (206), 0 states have call successors, (0), 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 253 [2021-10-13 07:54:34,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:54:34,986 INFO L225 Difference]: With dead ends: 10708 [2021-10-13 07:54:34,986 INFO L226 Difference]: Without dead ends: 7242 [2021-10-13 07:54:34,993 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1520 GetRequests, 1512 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 49.9ms TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2021-10-13 07:54:35,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7242 states. [2021-10-13 07:54:35,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7242 to 4574. [2021-10-13 07:54:35,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4574 states, 4573 states have (on average 1.306363437568336) internal successors, (5974), 4573 states have internal predecessors, (5974), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:54:35,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4574 states to 4574 states and 5974 transitions. [2021-10-13 07:54:35,285 INFO L78 Accepts]: Start accepts. Automaton has 4574 states and 5974 transitions. Word has length 253 [2021-10-13 07:54:35,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:54:35,286 INFO L470 AbstractCegarLoop]: Abstraction has 4574 states and 5974 transitions. [2021-10-13 07:54:35,287 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 34.333333333333336) internal successors, (206), 6 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:54:35,287 INFO L276 IsEmpty]: Start isEmpty. Operand 4574 states and 5974 transitions. [2021-10-13 07:54:35,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2021-10-13 07:54:35,302 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:54:35,303 INFO L512 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 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 07:54:35,356 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2021-10-13 07:54:35,531 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2021-10-13 07:54:35,727 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (14)] Ended with exit code 0 [2021-10-13 07:54:35,917 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:54:35,917 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:54:35,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:54:35,918 INFO L82 PathProgramCache]: Analyzing trace with hash -956400624, now seen corresponding path program 1 times [2021-10-13 07:54:35,918 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:54:35,918 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1035922616] [2021-10-13 07:54:35,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:54:35,919 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:54:35,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:54:35,920 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:54:35,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2021-10-13 07:54:37,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:54:37,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 07:54:37,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:54:37,847 INFO L134 CoverageAnalysis]: Checked inductivity of 664 backedges. 426 proven. 0 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2021-10-13 07:54:37,847 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:54:38,400 INFO L134 CoverageAnalysis]: Checked inductivity of 664 backedges. 426 proven. 0 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2021-10-13 07:54:38,400 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:54:38,400 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1035922616] [2021-10-13 07:54:38,400 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1035922616] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:54:38,400 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:54:38,401 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-13 07:54:38,401 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391428477] [2021-10-13 07:54:38,414 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 07:54:38,415 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:54:38,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 07:54:38,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:54:38,416 INFO L87 Difference]: Start difference. First operand 4574 states and 5974 transitions. Second operand has 4 states, 4 states have (on average 36.25) internal successors, (145), 4 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:54:38,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:54:38,773 INFO L93 Difference]: Finished difference Result 9482 states and 12470 transitions. [2021-10-13 07:54:38,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 07:54:38,774 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 36.25) internal successors, (145), 4 states have internal predecessors, (145), 0 states have call successors, (0), 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 266 [2021-10-13 07:54:38,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:54:38,806 INFO L225 Difference]: With dead ends: 9482 [2021-10-13 07:54:38,807 INFO L226 Difference]: Without dead ends: 5088 [2021-10-13 07:54:38,814 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 530 GetRequests, 528 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.6ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:54:38,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5088 states. [2021-10-13 07:54:39,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5088 to 5008. [2021-10-13 07:54:39,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5008 states, 5007 states have (on average 1.2877970840822848) internal successors, (6448), 5007 states have internal predecessors, (6448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:54:39,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5008 states to 5008 states and 6448 transitions. [2021-10-13 07:54:39,047 INFO L78 Accepts]: Start accepts. Automaton has 5008 states and 6448 transitions. Word has length 266 [2021-10-13 07:54:39,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:54:39,048 INFO L470 AbstractCegarLoop]: Abstraction has 5008 states and 6448 transitions. [2021-10-13 07:54:39,049 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 36.25) internal successors, (145), 4 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:54:39,049 INFO L276 IsEmpty]: Start isEmpty. Operand 5008 states and 6448 transitions. [2021-10-13 07:54:39,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2021-10-13 07:54:39,101 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:54:39,103 INFO L512 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 10, 9, 7, 7, 5, 5, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 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 07:54:39,127 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2021-10-13 07:54:39,323 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:54:39,323 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:54:39,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:54:39,323 INFO L82 PathProgramCache]: Analyzing trace with hash -134367989, now seen corresponding path program 1 times [2021-10-13 07:54:39,324 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:54:39,324 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [933453595] [2021-10-13 07:54:39,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:54:39,324 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:54:39,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:54:39,326 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:54:39,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2021-10-13 07:54:40,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:54:40,898 INFO L263 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-13 07:54:40,902 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:54:41,696 INFO L134 CoverageAnalysis]: Checked inductivity of 1177 backedges. 810 proven. 17 refuted. 0 times theorem prover too weak. 350 trivial. 0 not checked. [2021-10-13 07:54:41,697 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:54:42,527 INFO L134 CoverageAnalysis]: Checked inductivity of 1177 backedges. 810 proven. 17 refuted. 0 times theorem prover too weak. 350 trivial. 0 not checked. [2021-10-13 07:54:42,527 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:54:42,527 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [933453595] [2021-10-13 07:54:42,528 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [933453595] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 07:54:42,528 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1606310019] [2021-10-13 07:54:42,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:54:42,528 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-13 07:54:42,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/cvc4 [2021-10-13 07:54:42,536 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-13 07:54:42,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2021-10-13 07:54:45,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:54:45,011 INFO L263 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 07:54:45,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:54:45,870 INFO L134 CoverageAnalysis]: Checked inductivity of 1177 backedges. 780 proven. 0 refuted. 0 times theorem prover too weak. 397 trivial. 0 not checked. [2021-10-13 07:54:45,871 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:54:46,712 INFO L134 CoverageAnalysis]: Checked inductivity of 1177 backedges. 780 proven. 0 refuted. 0 times theorem prover too weak. 397 trivial. 0 not checked. [2021-10-13 07:54:46,712 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1606310019] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:54:46,712 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-10-13 07:54:46,713 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [4, 4] total 8 [2021-10-13 07:54:46,713 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619856879] [2021-10-13 07:54:46,714 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 07:54:46,714 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:54:46,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 07:54:46,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-13 07:54:46,715 INFO L87 Difference]: Start difference. First operand 5008 states and 6448 transitions. Second operand has 4 states, 4 states have (on average 49.0) internal successors, (196), 4 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:54:46,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:54:46,955 INFO L93 Difference]: Finished difference Result 12518 states and 16121 transitions. [2021-10-13 07:54:46,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 07:54:46,956 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 49.0) internal successors, (196), 4 states have internal predecessors, (196), 0 states have call successors, (0), 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 308 [2021-10-13 07:54:46,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:54:47,014 INFO L225 Difference]: With dead ends: 12518 [2021-10-13 07:54:47,019 INFO L226 Difference]: Without dead ends: 7690 [2021-10-13 07:54:47,027 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1228 GetRequests, 1222 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 34.7ms TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-13 07:54:47,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7690 states. [2021-10-13 07:54:47,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7690 to 7690. [2021-10-13 07:54:47,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7690 states, 7689 states have (on average 1.2882039276889061) internal successors, (9905), 7689 states have internal predecessors, (9905), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:54:47,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7690 states to 7690 states and 9905 transitions. [2021-10-13 07:54:47,403 INFO L78 Accepts]: Start accepts. Automaton has 7690 states and 9905 transitions. Word has length 308 [2021-10-13 07:54:47,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:54:47,404 INFO L470 AbstractCegarLoop]: Abstraction has 7690 states and 9905 transitions. [2021-10-13 07:54:47,404 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 49.0) internal successors, (196), 4 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:54:47,404 INFO L276 IsEmpty]: Start isEmpty. Operand 7690 states and 9905 transitions. [2021-10-13 07:54:47,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2021-10-13 07:54:47,429 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:54:47,430 INFO L512 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 9, 8, 7, 7, 6, 6, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:54:47,448 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (19)] Forceful destruction successful, exit code 0 [2021-10-13 07:54:47,660 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2021-10-13 07:54:47,844 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:54:47,844 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:54:47,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:54:47,845 INFO L82 PathProgramCache]: Analyzing trace with hash 1515372042, now seen corresponding path program 1 times [2021-10-13 07:54:47,845 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:54:47,845 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1394477489] [2021-10-13 07:54:47,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:54:47,846 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:54:47,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:54:47,847 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:54:47,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2021-10-13 07:54:49,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:54:49,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 369 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 07:54:49,865 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:54:50,798 INFO L134 CoverageAnalysis]: Checked inductivity of 1044 backedges. 693 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2021-10-13 07:54:50,799 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:54:51,648 INFO L134 CoverageAnalysis]: Checked inductivity of 1044 backedges. 693 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2021-10-13 07:54:51,648 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:54:51,649 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1394477489] [2021-10-13 07:54:51,649 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1394477489] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:54:51,649 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:54:51,649 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-13 07:54:51,650 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533350006] [2021-10-13 07:54:51,650 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 07:54:51,651 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:54:51,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 07:54:51,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 07:54:51,652 INFO L87 Difference]: Start difference. First operand 7690 states and 9905 transitions. Second operand has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:54:51,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:54:51,869 INFO L93 Difference]: Finished difference Result 12570 states and 16175 transitions. [2021-10-13 07:54:51,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 07:54:51,870 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 0 states have call successors, (0), 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 316 [2021-10-13 07:54:51,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:54:51,891 INFO L225 Difference]: With dead ends: 12570 [2021-10-13 07:54:51,891 INFO L226 Difference]: Without dead ends: 8558 [2021-10-13 07:54:51,899 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 630 GetRequests, 629 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 07:54:51,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8558 states. [2021-10-13 07:54:52,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8558 to 8556. [2021-10-13 07:54:52,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8556 states, 8555 states have (on average 1.2882524839275278) internal successors, (11021), 8555 states have internal predecessors, (11021), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:54:52,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8556 states to 8556 states and 11021 transitions. [2021-10-13 07:54:52,232 INFO L78 Accepts]: Start accepts. Automaton has 8556 states and 11021 transitions. Word has length 316 [2021-10-13 07:54:52,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:54:52,233 INFO L470 AbstractCegarLoop]: Abstraction has 8556 states and 11021 transitions. [2021-10-13 07:54:52,234 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:54:52,234 INFO L276 IsEmpty]: Start isEmpty. Operand 8556 states and 11021 transitions. [2021-10-13 07:54:52,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2021-10-13 07:54:52,256 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:54:52,256 INFO L512 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 9, 9, 9, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 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 07:54:52,283 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (20)] Forceful destruction successful, exit code 0 [2021-10-13 07:54:52,471 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:54:52,472 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:54:52,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:54:52,473 INFO L82 PathProgramCache]: Analyzing trace with hash -854531706, now seen corresponding path program 1 times [2021-10-13 07:54:52,473 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:54:52,473 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [418300502] [2021-10-13 07:54:52,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:54:52,474 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:54:52,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:54:52,475 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:54:52,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2021-10-13 07:54:54,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:54:54,316 INFO L263 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 07:54:54,319 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:54:54,962 INFO L134 CoverageAnalysis]: Checked inductivity of 1098 backedges. 662 proven. 0 refuted. 0 times theorem prover too weak. 436 trivial. 0 not checked. [2021-10-13 07:54:54,962 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:54:55,616 INFO L134 CoverageAnalysis]: Checked inductivity of 1098 backedges. 662 proven. 0 refuted. 0 times theorem prover too weak. 436 trivial. 0 not checked. [2021-10-13 07:54:55,616 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:54:55,617 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [418300502] [2021-10-13 07:54:55,617 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [418300502] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:54:55,617 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:54:55,617 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-13 07:54:55,617 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166694565] [2021-10-13 07:54:55,618 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 07:54:55,618 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:54:55,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 07:54:55,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:54:55,619 INFO L87 Difference]: Start difference. First operand 8556 states and 11021 transitions. Second operand has 4 states, 4 states have (on average 38.5) internal successors, (154), 4 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:54:56,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:54:56,040 INFO L93 Difference]: Finished difference Result 14797 states and 19245 transitions. [2021-10-13 07:54:56,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 07:54:56,040 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 38.5) internal successors, (154), 4 states have internal predecessors, (154), 0 states have call successors, (0), 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 332 [2021-10-13 07:54:56,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:54:56,053 INFO L225 Difference]: With dead ends: 14797 [2021-10-13 07:54:56,054 INFO L226 Difference]: Without dead ends: 4910 [2021-10-13 07:54:56,067 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 662 GetRequests, 660 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.8ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:54:56,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4910 states. [2021-10-13 07:54:56,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4910 to 4133. [2021-10-13 07:54:56,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4133 states, 4132 states have (on average 1.265730880929332) internal successors, (5230), 4132 states have internal predecessors, (5230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:54:56,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4133 states to 4133 states and 5230 transitions. [2021-10-13 07:54:56,236 INFO L78 Accepts]: Start accepts. Automaton has 4133 states and 5230 transitions. Word has length 332 [2021-10-13 07:54:56,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:54:56,236 INFO L470 AbstractCegarLoop]: Abstraction has 4133 states and 5230 transitions. [2021-10-13 07:54:56,237 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 38.5) internal successors, (154), 4 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:54:56,237 INFO L276 IsEmpty]: Start isEmpty. Operand 4133 states and 5230 transitions. [2021-10-13 07:54:56,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 419 [2021-10-13 07:54:56,248 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:54:56,249 INFO L512 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 13, 12, 10, 10, 8, 8, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 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 07:54:56,274 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (21)] Forceful destruction successful, exit code 0 [2021-10-13 07:54:56,463 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:54:56,464 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:54:56,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:54:56,465 INFO L82 PathProgramCache]: Analyzing trace with hash -1396762579, now seen corresponding path program 1 times [2021-10-13 07:54:56,466 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:54:56,466 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [123999796] [2021-10-13 07:54:56,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:54:56,466 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:54:56,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:54:56,467 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:54:56,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2021-10-13 07:54:58,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:54:58,610 INFO L263 TraceCheckSpWp]: Trace formula consists of 479 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-13 07:54:58,615 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:54:59,443 INFO L134 CoverageAnalysis]: Checked inductivity of 2016 backedges. 1240 proven. 26 refuted. 0 times theorem prover too weak. 750 trivial. 0 not checked. [2021-10-13 07:54:59,443 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:55:00,348 INFO L134 CoverageAnalysis]: Checked inductivity of 2016 backedges. 1240 proven. 26 refuted. 0 times theorem prover too weak. 750 trivial. 0 not checked. [2021-10-13 07:55:00,348 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:55:00,348 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [123999796] [2021-10-13 07:55:00,348 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [123999796] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 07:55:00,348 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1319352465] [2021-10-13 07:55:00,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:55:00,349 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-13 07:55:00,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/cvc4 [2021-10-13 07:55:00,350 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-13 07:55:00,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2021-10-13 07:55:03,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:55:03,569 INFO L263 TraceCheckSpWp]: Trace formula consists of 479 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-13 07:55:03,573 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:55:04,432 INFO L134 CoverageAnalysis]: Checked inductivity of 2016 backedges. 1240 proven. 26 refuted. 0 times theorem prover too weak. 750 trivial. 0 not checked. [2021-10-13 07:55:04,432 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:55:05,321 INFO L134 CoverageAnalysis]: Checked inductivity of 2016 backedges. 1240 proven. 26 refuted. 0 times theorem prover too weak. 750 trivial. 0 not checked. [2021-10-13 07:55:05,321 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1319352465] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 07:55:05,321 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [501166298] [2021-10-13 07:55:05,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:55:05,321 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 07:55:05,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 07:55:05,322 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 07:55:05,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2021-10-13 07:55:08,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:55:08,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 479 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-13 07:55:08,240 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:55:09,217 INFO L134 CoverageAnalysis]: Checked inductivity of 2016 backedges. 1240 proven. 26 refuted. 0 times theorem prover too weak. 750 trivial. 0 not checked. [2021-10-13 07:55:09,217 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:55:10,127 INFO L134 CoverageAnalysis]: Checked inductivity of 2016 backedges. 1240 proven. 26 refuted. 0 times theorem prover too weak. 750 trivial. 0 not checked. [2021-10-13 07:55:10,128 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [501166298] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 07:55:10,128 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-10-13 07:55:10,128 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4, 4, 4, 4] total 4 [2021-10-13 07:55:10,129 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744053312] [2021-10-13 07:55:10,130 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 07:55:10,130 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:55:10,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 07:55:10,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:55:10,130 INFO L87 Difference]: Start difference. First operand 4133 states and 5230 transitions. Second operand has 4 states, 4 states have (on average 46.5) internal successors, (186), 4 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:55:10,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:55:10,503 INFO L93 Difference]: Finished difference Result 12313 states and 15623 transitions. [2021-10-13 07:55:10,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 07:55:10,504 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 46.5) internal successors, (186), 4 states have internal predecessors, (186), 0 states have call successors, (0), 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 418 [2021-10-13 07:55:10,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:55:10,521 INFO L225 Difference]: With dead ends: 12313 [2021-10-13 07:55:10,522 INFO L226 Difference]: Without dead ends: 8311 [2021-10-13 07:55:10,527 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2504 GetRequests, 2501 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.4ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-13 07:55:10,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8311 states. [2021-10-13 07:55:10,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8311 to 5643. [2021-10-13 07:55:10,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5643 states, 5642 states have (on average 1.2754342431761787) internal successors, (7196), 5642 states have internal predecessors, (7196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:55:10,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5643 states to 5643 states and 7196 transitions. [2021-10-13 07:55:10,787 INFO L78 Accepts]: Start accepts. Automaton has 5643 states and 7196 transitions. Word has length 418 [2021-10-13 07:55:10,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:55:10,788 INFO L470 AbstractCegarLoop]: Abstraction has 5643 states and 7196 transitions. [2021-10-13 07:55:10,788 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 46.5) internal successors, (186), 4 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:55:10,788 INFO L276 IsEmpty]: Start isEmpty. Operand 5643 states and 7196 transitions. [2021-10-13 07:55:10,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 479 [2021-10-13 07:55:10,798 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:55:10,799 INFO L512 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 16, 16, 16, 16, 16, 15, 14, 12, 12, 10, 10, 8, 8, 8, 8, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 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 07:55:10,821 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (22)] Forceful destruction successful, exit code 0 [2021-10-13 07:55:11,046 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2021-10-13 07:55:11,223 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (23)] Forceful destruction successful, exit code 0 [2021-10-13 07:55:11,418 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3,24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt [2021-10-13 07:55:11,418 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:55:11,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:55:11,419 INFO L82 PathProgramCache]: Analyzing trace with hash 1699211053, now seen corresponding path program 1 times [2021-10-13 07:55:11,419 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:55:11,419 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [226151723] [2021-10-13 07:55:11,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:55:11,420 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:55:11,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:55:11,421 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:55:11,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (25)] Waiting until timeout for monitored process [2021-10-13 07:55:13,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:55:13,746 INFO L263 TraceCheckSpWp]: Trace formula consists of 541 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 07:55:13,753 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:55:14,647 INFO L134 CoverageAnalysis]: Checked inductivity of 2692 backedges. 1484 proven. 0 refuted. 0 times theorem prover too weak. 1208 trivial. 0 not checked. [2021-10-13 07:55:14,647 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:55:15,482 INFO L134 CoverageAnalysis]: Checked inductivity of 2692 backedges. 1484 proven. 0 refuted. 0 times theorem prover too weak. 1208 trivial. 0 not checked. [2021-10-13 07:55:15,482 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:55:15,482 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [226151723] [2021-10-13 07:55:15,482 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [226151723] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:55:15,482 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:55:15,483 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-13 07:55:15,483 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466468208] [2021-10-13 07:55:15,484 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 07:55:15,484 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:55:15,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 07:55:15,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 07:55:15,485 INFO L87 Difference]: Start difference. First operand 5643 states and 7196 transitions. Second operand has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:55:15,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:55:15,706 INFO L93 Difference]: Finished difference Result 11328 states and 14442 transitions. [2021-10-13 07:55:15,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 07:55:15,707 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 0 states have call successors, (0), 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 478 [2021-10-13 07:55:15,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:55:15,718 INFO L225 Difference]: With dead ends: 11328 [2021-10-13 07:55:15,718 INFO L226 Difference]: Without dead ends: 5706 [2021-10-13 07:55:15,723 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 954 GetRequests, 953 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 07:55:15,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5706 states. [2021-10-13 07:55:15,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5706 to 5643. [2021-10-13 07:55:15,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5643 states, 5642 states have (on average 1.271712158808933) internal successors, (7175), 5642 states have internal predecessors, (7175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:55:15,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5643 states to 5643 states and 7175 transitions. [2021-10-13 07:55:15,936 INFO L78 Accepts]: Start accepts. Automaton has 5643 states and 7175 transitions. Word has length 478 [2021-10-13 07:55:15,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:55:15,937 INFO L470 AbstractCegarLoop]: Abstraction has 5643 states and 7175 transitions. [2021-10-13 07:55:15,937 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:55:15,937 INFO L276 IsEmpty]: Start isEmpty. Operand 5643 states and 7175 transitions. [2021-10-13 07:55:15,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 481 [2021-10-13 07:55:15,947 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:55:15,947 INFO L512 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 16, 16, 16, 16, 16, 15, 14, 12, 12, 10, 10, 8, 8, 8, 8, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 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 07:55:15,975 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (25)] Forceful destruction successful, exit code 0 [2021-10-13 07:55:16,171 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:55:16,171 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:55:16,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:55:16,172 INFO L82 PathProgramCache]: Analyzing trace with hash 604379059, now seen corresponding path program 1 times [2021-10-13 07:55:16,172 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:55:16,172 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1117367452] [2021-10-13 07:55:16,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:55:16,173 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:55:16,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:55:16,173 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:55:16,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (26)] Waiting until timeout for monitored process [2021-10-13 07:55:18,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:55:18,702 INFO L263 TraceCheckSpWp]: Trace formula consists of 547 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 07:55:18,708 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:55:19,706 INFO L134 CoverageAnalysis]: Checked inductivity of 2693 backedges. 1564 proven. 0 refuted. 0 times theorem prover too weak. 1129 trivial. 0 not checked. [2021-10-13 07:55:19,706 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:55:20,612 INFO L134 CoverageAnalysis]: Checked inductivity of 2693 backedges. 1564 proven. 0 refuted. 0 times theorem prover too weak. 1129 trivial. 0 not checked. [2021-10-13 07:55:20,612 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:55:20,612 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1117367452] [2021-10-13 07:55:20,612 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1117367452] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:55:20,612 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:55:20,612 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-13 07:55:20,613 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402175399] [2021-10-13 07:55:20,613 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 07:55:20,613 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:55:20,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 07:55:20,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 07:55:20,614 INFO L87 Difference]: Start difference. First operand 5643 states and 7175 transitions. Second operand has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:55:20,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:55:20,910 INFO L93 Difference]: Finished difference Result 12021 states and 15438 transitions. [2021-10-13 07:55:20,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 07:55:20,911 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 0 states have call successors, (0), 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 480 [2021-10-13 07:55:20,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:55:20,921 INFO L225 Difference]: With dead ends: 12021 [2021-10-13 07:55:20,922 INFO L226 Difference]: Without dead ends: 6399 [2021-10-13 07:55:20,927 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 958 GetRequests, 957 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 07:55:20,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6399 states. [2021-10-13 07:55:21,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6399 to 6357. [2021-10-13 07:55:21,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6357 states, 6356 states have (on average 1.2577092511013215) internal successors, (7994), 6356 states have internal predecessors, (7994), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:55:21,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6357 states to 6357 states and 7994 transitions. [2021-10-13 07:55:21,157 INFO L78 Accepts]: Start accepts. Automaton has 6357 states and 7994 transitions. Word has length 480 [2021-10-13 07:55:21,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:55:21,161 INFO L470 AbstractCegarLoop]: Abstraction has 6357 states and 7994 transitions. [2021-10-13 07:55:21,161 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:55:21,162 INFO L276 IsEmpty]: Start isEmpty. Operand 6357 states and 7994 transitions. [2021-10-13 07:55:21,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 515 [2021-10-13 07:55:21,172 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:55:21,173 INFO L512 BasicCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 18, 18, 18, 18, 16, 15, 14, 12, 12, 10, 10, 8, 8, 8, 8, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 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 07:55:21,194 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (26)] Ended with exit code 0 [2021-10-13 07:55:21,392 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:55:21,392 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:55:21,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:55:21,393 INFO L82 PathProgramCache]: Analyzing trace with hash -1587883283, now seen corresponding path program 1 times [2021-10-13 07:55:21,394 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:55:21,394 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1827581201] [2021-10-13 07:55:21,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:55:21,395 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:55:21,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:55:21,395 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:55:21,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (27)] Waiting until timeout for monitored process [2021-10-13 07:55:24,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:55:24,168 INFO L263 TraceCheckSpWp]: Trace formula consists of 585 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 07:55:24,174 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:55:26,557 INFO L134 CoverageAnalysis]: Checked inductivity of 3218 backedges. 1749 proven. 206 refuted. 0 times theorem prover too weak. 1263 trivial. 0 not checked. [2021-10-13 07:55:26,557 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:55:29,087 INFO L134 CoverageAnalysis]: Checked inductivity of 3218 backedges. 1844 proven. 111 refuted. 0 times theorem prover too weak. 1263 trivial. 0 not checked. [2021-10-13 07:55:29,088 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:55:29,088 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1827581201] [2021-10-13 07:55:29,088 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1827581201] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 07:55:29,088 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1710180631] [2021-10-13 07:55:29,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:55:29,089 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-13 07:55:29,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/cvc4 [2021-10-13 07:55:29,090 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-13 07:55:29,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2021-10-13 07:55:33,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:55:33,540 INFO L263 TraceCheckSpWp]: Trace formula consists of 585 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 07:55:33,548 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:55:35,308 INFO L134 CoverageAnalysis]: Checked inductivity of 3218 backedges. 1749 proven. 206 refuted. 0 times theorem prover too weak. 1263 trivial. 0 not checked. [2021-10-13 07:55:35,308 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:55:37,127 INFO L134 CoverageAnalysis]: Checked inductivity of 3218 backedges. 1844 proven. 111 refuted. 0 times theorem prover too weak. 1263 trivial. 0 not checked. [2021-10-13 07:55:37,127 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1710180631] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 07:55:37,127 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1239246013] [2021-10-13 07:55:37,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:55:37,127 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 07:55:37,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 07:55:37,128 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 07:55:37,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2021-10-13 07:55:41,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:55:41,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 585 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 07:55:41,084 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:55:42,883 INFO L134 CoverageAnalysis]: Checked inductivity of 3218 backedges. 1749 proven. 206 refuted. 0 times theorem prover too weak. 1263 trivial. 0 not checked. [2021-10-13 07:55:42,883 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:55:44,955 INFO L134 CoverageAnalysis]: Checked inductivity of 3218 backedges. 1844 proven. 111 refuted. 0 times theorem prover too weak. 1263 trivial. 0 not checked. [2021-10-13 07:55:44,955 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1239246013] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 07:55:44,955 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-10-13 07:55:44,956 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 7 [2021-10-13 07:55:44,956 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690089229] [2021-10-13 07:55:44,958 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-13 07:55:44,958 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:55:44,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-13 07:55:44,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-10-13 07:55:44,959 INFO L87 Difference]: Start difference. First operand 6357 states and 7994 transitions. Second operand has 7 states, 7 states have (on average 32.857142857142854) internal successors, (230), 7 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:55:47,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:55:47,222 INFO L93 Difference]: Finished difference Result 18427 states and 23431 transitions. [2021-10-13 07:55:47,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-13 07:55:47,223 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 32.857142857142854) internal successors, (230), 7 states have internal predecessors, (230), 0 states have call successors, (0), 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 514 [2021-10-13 07:55:47,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:55:47,241 INFO L225 Difference]: With dead ends: 18427 [2021-10-13 07:55:47,241 INFO L226 Difference]: Without dead ends: 12081 [2021-10-13 07:55:47,250 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3081 GetRequests, 3074 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 389.9ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-13 07:55:47,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12081 states. [2021-10-13 07:55:47,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12081 to 11090. [2021-10-13 07:55:47,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11090 states, 11089 states have (on average 1.2587248624763279) internal successors, (13958), 11089 states have internal predecessors, (13958), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:55:47,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11090 states to 11090 states and 13958 transitions. [2021-10-13 07:55:47,660 INFO L78 Accepts]: Start accepts. Automaton has 11090 states and 13958 transitions. Word has length 514 [2021-10-13 07:55:47,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:55:47,661 INFO L470 AbstractCegarLoop]: Abstraction has 11090 states and 13958 transitions. [2021-10-13 07:55:47,661 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 32.857142857142854) internal successors, (230), 7 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:55:47,661 INFO L276 IsEmpty]: Start isEmpty. Operand 11090 states and 13958 transitions. [2021-10-13 07:55:47,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 543 [2021-10-13 07:55:47,682 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:55:47,683 INFO L512 BasicCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 18, 18, 18, 18, 18, 17, 16, 14, 14, 12, 12, 10, 10, 10, 10, 7, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 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 07:55:47,711 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (27)] Forceful destruction successful, exit code 0 [2021-10-13 07:55:47,904 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (28)] Forceful destruction successful, exit code 0 [2021-10-13 07:55:48,131 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2021-10-13 07:55:48,296 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3,28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt,29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 07:55:48,296 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:55:48,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:55:48,297 INFO L82 PathProgramCache]: Analyzing trace with hash 1615273453, now seen corresponding path program 1 times [2021-10-13 07:55:48,298 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:55:48,298 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [578171675] [2021-10-13 07:55:48,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:55:48,298 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:55:48,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:55:48,299 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:55:48,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (30)] Waiting until timeout for monitored process [2021-10-13 07:55:51,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:55:51,705 INFO L263 TraceCheckSpWp]: Trace formula consists of 613 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 07:55:51,712 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:55:53,073 INFO L134 CoverageAnalysis]: Checked inductivity of 3490 backedges. 2011 proven. 0 refuted. 0 times theorem prover too weak. 1479 trivial. 0 not checked. [2021-10-13 07:55:53,073 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:55:54,214 INFO L134 CoverageAnalysis]: Checked inductivity of 3490 backedges. 2011 proven. 0 refuted. 0 times theorem prover too weak. 1479 trivial. 0 not checked. [2021-10-13 07:55:54,214 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:55:54,215 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [578171675] [2021-10-13 07:55:54,215 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [578171675] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:55:54,215 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:55:54,215 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-13 07:55:54,215 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071755586] [2021-10-13 07:55:54,216 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 07:55:54,216 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:55:54,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 07:55:54,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 07:55:54,216 INFO L87 Difference]: Start difference. First operand 11090 states and 13958 transitions. Second operand has 3 states, 3 states have (on average 62.666666666666664) internal successors, (188), 3 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:55:54,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:55:54,598 INFO L93 Difference]: Finished difference Result 22092 states and 27927 transitions. [2021-10-13 07:55:54,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 07:55:54,598 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 62.666666666666664) internal successors, (188), 3 states have internal predecessors, (188), 0 states have call successors, (0), 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 542 [2021-10-13 07:55:54,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:55:54,609 INFO L225 Difference]: With dead ends: 22092 [2021-10-13 07:55:54,609 INFO L226 Difference]: Without dead ends: 11023 [2021-10-13 07:55:54,617 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1082 GetRequests, 1081 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 07:55:54,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11023 states. [2021-10-13 07:55:54,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11023 to 9879. [2021-10-13 07:55:54,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9879 states, 9878 states have (on average 1.2387122899372343) internal successors, (12236), 9878 states have internal predecessors, (12236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:55:54,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9879 states to 9879 states and 12236 transitions. [2021-10-13 07:55:54,985 INFO L78 Accepts]: Start accepts. Automaton has 9879 states and 12236 transitions. Word has length 542 [2021-10-13 07:55:54,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:55:54,986 INFO L470 AbstractCegarLoop]: Abstraction has 9879 states and 12236 transitions. [2021-10-13 07:55:54,986 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 62.666666666666664) internal successors, (188), 3 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:55:54,986 INFO L276 IsEmpty]: Start isEmpty. Operand 9879 states and 12236 transitions. [2021-10-13 07:55:55,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 543 [2021-10-13 07:55:55,001 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:55:55,002 INFO L512 BasicCegarLoop]: trace histogram [20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 19, 19, 19, 19, 17, 16, 15, 13, 13, 11, 11, 9, 9, 9, 9, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 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 07:55:55,050 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (30)] Forceful destruction successful, exit code 0 [2021-10-13 07:55:55,215 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:55:55,216 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:55:55,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:55:55,216 INFO L82 PathProgramCache]: Analyzing trace with hash -1850834424, now seen corresponding path program 2 times [2021-10-13 07:55:55,217 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:55:55,217 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [133105426] [2021-10-13 07:55:55,217 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-13 07:55:55,217 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:55:55,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:55:55,218 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:55:55,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (31)] Waiting until timeout for monitored process [2021-10-13 07:55:58,895 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-13 07:55:58,895 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-13 07:55:58,905 INFO L263 TraceCheckSpWp]: Trace formula consists of 613 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 07:55:58,911 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:56:01,561 INFO L134 CoverageAnalysis]: Checked inductivity of 3626 backedges. 2017 proven. 312 refuted. 0 times theorem prover too weak. 1297 trivial. 0 not checked. [2021-10-13 07:56:01,562 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:56:04,014 INFO L134 CoverageAnalysis]: Checked inductivity of 3626 backedges. 2160 proven. 169 refuted. 0 times theorem prover too weak. 1297 trivial. 0 not checked. [2021-10-13 07:56:04,014 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:56:04,015 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [133105426] [2021-10-13 07:56:04,015 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [133105426] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 07:56:04,015 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1864823538] [2021-10-13 07:56:04,015 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-13 07:56:04,015 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-13 07:56:04,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/cvc4 [2021-10-13 07:56:04,016 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-13 07:56:04,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2021-10-13 07:56:09,812 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-13 07:56:09,812 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-13 07:56:09,817 INFO L263 TraceCheckSpWp]: Trace formula consists of 613 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 07:56:09,824 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:56:13,351 INFO L134 CoverageAnalysis]: Checked inductivity of 3626 backedges. 239 proven. 756 refuted. 0 times theorem prover too weak. 2631 trivial. 0 not checked. [2021-10-13 07:56:13,351 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:56:17,159 INFO L134 CoverageAnalysis]: Checked inductivity of 3626 backedges. 604 proven. 391 refuted. 0 times theorem prover too weak. 2631 trivial. 0 not checked. [2021-10-13 07:56:17,159 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1864823538] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 07:56:17,160 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [928895042] [2021-10-13 07:56:17,160 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-13 07:56:17,160 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 07:56:17,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 07:56:17,164 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 07:56:17,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2021-10-13 07:56:23,117 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-13 07:56:23,117 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-13 07:56:23,120 INFO L263 TraceCheckSpWp]: Trace formula consists of 613 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 07:56:23,124 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:56:25,043 INFO L134 CoverageAnalysis]: Checked inductivity of 3626 backedges. 2017 proven. 312 refuted. 0 times theorem prover too weak. 1297 trivial. 0 not checked. [2021-10-13 07:56:25,043 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:56:27,053 INFO L134 CoverageAnalysis]: Checked inductivity of 3626 backedges. 2160 proven. 169 refuted. 0 times theorem prover too weak. 1297 trivial. 0 not checked. [2021-10-13 07:56:27,053 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [928895042] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 07:56:27,054 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-10-13 07:56:27,055 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 7 [2021-10-13 07:56:27,055 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684190600] [2021-10-13 07:56:27,057 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-13 07:56:27,057 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:56:27,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-13 07:56:27,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-10-13 07:56:27,058 INFO L87 Difference]: Start difference. First operand 9879 states and 12236 transitions. Second operand has 7 states, 7 states have (on average 42.42857142857143) internal successors, (297), 7 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:56:29,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:56:29,312 INFO L93 Difference]: Finished difference Result 26167 states and 32519 transitions. [2021-10-13 07:56:29,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-13 07:56:29,314 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 42.42857142857143) internal successors, (297), 7 states have internal predecessors, (297), 0 states have call successors, (0), 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 542 [2021-10-13 07:56:29,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:56:29,334 INFO L225 Difference]: With dead ends: 26167 [2021-10-13 07:56:29,335 INFO L226 Difference]: Without dead ends: 16309 [2021-10-13 07:56:29,342 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3250 GetRequests, 3242 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 375.8ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-13 07:56:29,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16309 states. [2021-10-13 07:56:29,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16309 to 15126. [2021-10-13 07:56:29,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15126 states, 15125 states have (on average 1.2341818181818183) internal successors, (18667), 15125 states have internal predecessors, (18667), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:56:29,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15126 states to 15126 states and 18667 transitions. [2021-10-13 07:56:29,985 INFO L78 Accepts]: Start accepts. Automaton has 15126 states and 18667 transitions. Word has length 542 [2021-10-13 07:56:29,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:56:29,985 INFO L470 AbstractCegarLoop]: Abstraction has 15126 states and 18667 transitions. [2021-10-13 07:56:29,986 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 42.42857142857143) internal successors, (297), 7 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:56:29,986 INFO L276 IsEmpty]: Start isEmpty. Operand 15126 states and 18667 transitions. [2021-10-13 07:56:30,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 556 [2021-10-13 07:56:30,002 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:56:30,003 INFO L512 BasicCegarLoop]: trace histogram [21, 21, 21, 21, 21, 21, 21, 20, 20, 20, 20, 20, 19, 19, 17, 17, 15, 13, 13, 11, 11, 9, 9, 9, 9, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 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 07:56:30,013 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (32)] Forceful destruction successful, exit code 0 [2021-10-13 07:56:30,243 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2021-10-13 07:56:30,421 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (31)] Ended with exit code 0 [2021-10-13 07:56:30,603 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt,33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:56:30,604 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:56:30,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:56:30,604 INFO L82 PathProgramCache]: Analyzing trace with hash -965285211, now seen corresponding path program 1 times [2021-10-13 07:56:30,605 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:56:30,605 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [354803238] [2021-10-13 07:56:30,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:56:30,606 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:56:30,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:56:30,606 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:56:30,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (34)] Waiting until timeout for monitored process [2021-10-13 07:56:35,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:56:35,120 INFO L263 TraceCheckSpWp]: Trace formula consists of 630 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-13 07:56:35,124 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:56:36,092 INFO L134 CoverageAnalysis]: Checked inductivity of 3840 backedges. 995 proven. 12 refuted. 0 times theorem prover too weak. 2833 trivial. 0 not checked. [2021-10-13 07:56:36,092 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:56:37,270 INFO L134 CoverageAnalysis]: Checked inductivity of 3840 backedges. 995 proven. 12 refuted. 0 times theorem prover too weak. 2833 trivial. 0 not checked. [2021-10-13 07:56:37,270 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:56:37,270 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [354803238] [2021-10-13 07:56:37,270 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [354803238] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 07:56:37,270 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1590741102] [2021-10-13 07:56:37,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:56:37,270 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-13 07:56:37,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/cvc4 [2021-10-13 07:56:37,271 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-13 07:56:37,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2021-10-13 07:56:43,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:56:43,604 INFO L263 TraceCheckSpWp]: Trace formula consists of 630 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-13 07:56:43,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:56:44,663 INFO L134 CoverageAnalysis]: Checked inductivity of 3840 backedges. 995 proven. 12 refuted. 0 times theorem prover too weak. 2833 trivial. 0 not checked. [2021-10-13 07:56:44,663 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:56:45,834 INFO L134 CoverageAnalysis]: Checked inductivity of 3840 backedges. 995 proven. 12 refuted. 0 times theorem prover too weak. 2833 trivial. 0 not checked. [2021-10-13 07:56:45,834 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1590741102] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 07:56:45,834 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [151864706] [2021-10-13 07:56:45,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:56:45,835 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 07:56:45,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 07:56:45,835 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 07:56:45,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2021-10-13 07:56:51,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:56:51,715 INFO L263 TraceCheckSpWp]: Trace formula consists of 630 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-13 07:56:51,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:56:52,687 INFO L134 CoverageAnalysis]: Checked inductivity of 3840 backedges. 995 proven. 12 refuted. 0 times theorem prover too weak. 2833 trivial. 0 not checked. [2021-10-13 07:56:52,688 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:56:53,854 INFO L134 CoverageAnalysis]: Checked inductivity of 3840 backedges. 995 proven. 12 refuted. 0 times theorem prover too weak. 2833 trivial. 0 not checked. [2021-10-13 07:56:53,854 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [151864706] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 07:56:53,854 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-10-13 07:56:53,855 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4, 4, 4, 4] total 4 [2021-10-13 07:56:53,855 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651734051] [2021-10-13 07:56:53,857 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 07:56:53,857 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:56:53,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 07:56:53,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:56:53,857 INFO L87 Difference]: Start difference. First operand 15126 states and 18667 transitions. Second operand has 4 states, 4 states have (on average 37.75) internal successors, (151), 4 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:56:54,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:56:54,329 INFO L93 Difference]: Finished difference Result 30710 states and 37808 transitions. [2021-10-13 07:56:54,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 07:56:54,340 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 37.75) internal successors, (151), 4 states have internal predecessors, (151), 0 states have call successors, (0), 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 555 [2021-10-13 07:56:54,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:56:54,358 INFO L225 Difference]: With dead ends: 30710 [2021-10-13 07:56:54,358 INFO L226 Difference]: Without dead ends: 14590 [2021-10-13 07:56:54,368 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3326 GetRequests, 3323 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 07:56:54,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14590 states. [2021-10-13 07:56:54,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14590 to 14590. [2021-10-13 07:56:54,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14590 states, 14589 states have (on average 1.2242100212488862) internal successors, (17860), 14589 states have internal predecessors, (17860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:56:54,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14590 states to 14590 states and 17860 transitions. [2021-10-13 07:56:54,910 INFO L78 Accepts]: Start accepts. Automaton has 14590 states and 17860 transitions. Word has length 555 [2021-10-13 07:56:54,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:56:54,911 INFO L470 AbstractCegarLoop]: Abstraction has 14590 states and 17860 transitions. [2021-10-13 07:56:54,911 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 37.75) internal successors, (151), 4 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:56:54,911 INFO L276 IsEmpty]: Start isEmpty. Operand 14590 states and 17860 transitions. [2021-10-13 07:56:54,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 586 [2021-10-13 07:56:54,928 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:56:54,929 INFO L512 BasicCegarLoop]: trace histogram [21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 20, 20, 20, 20, 18, 18, 16, 14, 14, 12, 12, 10, 10, 10, 10, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:56:54,952 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (35)] Forceful destruction successful, exit code 0 [2021-10-13 07:56:55,186 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Forceful destruction successful, exit code 0 [2021-10-13 07:56:55,367 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (34)] Ended with exit code 0 [2021-10-13 07:56:55,545 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt,36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:56:55,545 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:56:55,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:56:55,546 INFO L82 PathProgramCache]: Analyzing trace with hash 744044369, now seen corresponding path program 1 times [2021-10-13 07:56:55,547 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:56:55,547 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2098769462] [2021-10-13 07:56:55,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:56:55,547 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:56:55,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:56:55,548 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:56:55,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (37)] Waiting until timeout for monitored process [2021-10-13 07:57:00,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:57:00,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 658 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-13 07:57:00,793 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:57:01,827 INFO L134 CoverageAnalysis]: Checked inductivity of 4111 backedges. 1339 proven. 17 refuted. 0 times theorem prover too weak. 2755 trivial. 0 not checked. [2021-10-13 07:57:01,827 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:57:03,013 INFO L134 CoverageAnalysis]: Checked inductivity of 4111 backedges. 1339 proven. 17 refuted. 0 times theorem prover too weak. 2755 trivial. 0 not checked. [2021-10-13 07:57:03,013 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:57:03,013 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2098769462] [2021-10-13 07:57:03,014 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2098769462] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 07:57:03,014 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [125948915] [2021-10-13 07:57:03,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:57:03,014 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-13 07:57:03,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/cvc4 [2021-10-13 07:57:03,015 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-13 07:57:03,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2021-10-13 07:57:10,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:57:10,483 INFO L263 TraceCheckSpWp]: Trace formula consists of 658 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-13 07:57:10,486 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:57:11,519 INFO L134 CoverageAnalysis]: Checked inductivity of 4111 backedges. 1339 proven. 17 refuted. 0 times theorem prover too weak. 2755 trivial. 0 not checked. [2021-10-13 07:57:11,519 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:57:12,686 INFO L134 CoverageAnalysis]: Checked inductivity of 4111 backedges. 1339 proven. 17 refuted. 0 times theorem prover too weak. 2755 trivial. 0 not checked. [2021-10-13 07:57:12,687 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [125948915] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 07:57:12,687 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2097199076] [2021-10-13 07:57:12,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:57:12,687 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 07:57:12,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 07:57:12,688 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 07:57:12,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2021-10-13 07:57:19,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:57:19,597 INFO L263 TraceCheckSpWp]: Trace formula consists of 658 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-13 07:57:19,601 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:57:20,648 INFO L134 CoverageAnalysis]: Checked inductivity of 4111 backedges. 1339 proven. 17 refuted. 0 times theorem prover too weak. 2755 trivial. 0 not checked. [2021-10-13 07:57:20,648 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:57:21,814 INFO L134 CoverageAnalysis]: Checked inductivity of 4111 backedges. 1339 proven. 17 refuted. 0 times theorem prover too weak. 2755 trivial. 0 not checked. [2021-10-13 07:57:21,814 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2097199076] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 07:57:21,814 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-10-13 07:57:21,815 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4, 4, 4, 4] total 6 [2021-10-13 07:57:21,815 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746089622] [2021-10-13 07:57:21,817 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-13 07:57:21,817 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:57:21,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 07:57:21,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-13 07:57:21,818 INFO L87 Difference]: Start difference. First operand 14590 states and 17860 transitions. Second operand has 6 states, 6 states have (on average 38.333333333333336) internal successors, (230), 6 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:57:22,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:57:22,357 INFO L93 Difference]: Finished difference Result 19536 states and 23881 transitions. [2021-10-13 07:57:22,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 07:57:22,362 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 38.333333333333336) internal successors, (230), 6 states have internal predecessors, (230), 0 states have call successors, (0), 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 585 [2021-10-13 07:57:22,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:57:22,362 INFO L225 Difference]: With dead ends: 19536 [2021-10-13 07:57:22,362 INFO L226 Difference]: Without dead ends: 0 [2021-10-13 07:57:22,373 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3510 GetRequests, 3503 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 33.3ms TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-10-13 07:57:22,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-13 07:57:22,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-13 07:57:22,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:57:22,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-13 07:57:22,374 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 585 [2021-10-13 07:57:22,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:57:22,375 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 07:57:22,375 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 38.333333333333336) internal successors, (230), 6 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:57:22,375 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-13 07:57:22,375 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-13 07:57:22,378 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 07:57:22,423 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Forceful destruction successful, exit code 0 [2021-10-13 07:57:22,606 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (37)] Ended with exit code 0 [2021-10-13 07:57:22,797 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (38)] Forceful destruction successful, exit code 0 [2021-10-13 07:57:22,979 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,37 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3,38 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt [2021-10-13 07:57:22,981 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-13 07:57:22,990 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:57:23,347 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:57:23,348 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:57:23,349 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:57:23,517 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:57:23,518 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:57:23,576 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:57:23,670 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:57:25,025 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:57:25,098 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:57:25,149 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:57:25,271 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:57:25,437 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:57:25,494 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:57:25,501 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:57:25,502 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:57:25,556 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:57:25,558 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:57:26,577 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:57:26,630 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:57:26,711 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:57:26,753 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:57:26,754 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:57:26,815 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:57:26,817 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:57:26,818 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:57:26,870 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:57:26,923 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:57:26,925 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:57:44,233 INFO L857 garLoopResultBuilder]: For program point L630(lines 630 654) no Hoare annotation was computed. [2021-10-13 07:57:44,233 INFO L857 garLoopResultBuilder]: For program point L564(lines 564 568) no Hoare annotation was computed. [2021-10-13 07:57:44,233 INFO L857 garLoopResultBuilder]: For program point L531(lines 531 535) no Hoare annotation was computed. [2021-10-13 07:57:44,234 INFO L857 garLoopResultBuilder]: For program point L498(lines 498 502) no Hoare annotation was computed. [2021-10-13 07:57:44,234 INFO L857 garLoopResultBuilder]: For program point L564-2(lines 564 568) no Hoare annotation was computed. [2021-10-13 07:57:44,234 INFO L857 garLoopResultBuilder]: For program point L531-2(lines 213 590) no Hoare annotation was computed. [2021-10-13 07:57:44,234 INFO L857 garLoopResultBuilder]: For program point L366(lines 366 370) no Hoare annotation was computed. [2021-10-13 07:57:44,234 INFO L857 garLoopResultBuilder]: For program point L366-2(lines 365 382) no Hoare annotation was computed. [2021-10-13 07:57:44,234 INFO L857 garLoopResultBuilder]: For program point L664(lines 664 668) no Hoare annotation was computed. [2021-10-13 07:57:44,235 INFO L857 garLoopResultBuilder]: For program point L631(lines 631 640) no Hoare annotation was computed. [2021-10-13 07:57:44,235 INFO L857 garLoopResultBuilder]: For program point L664-2(lines 664 668) no Hoare annotation was computed. [2021-10-13 07:57:44,235 INFO L857 garLoopResultBuilder]: For program point L631-2(lines 630 652) no Hoare annotation was computed. [2021-10-13 07:57:44,235 INFO L857 garLoopResultBuilder]: For program point L466(lines 466 470) no Hoare annotation was computed. [2021-10-13 07:57:44,235 INFO L857 garLoopResultBuilder]: For program point L334-1(lines 334 343) no Hoare annotation was computed. [2021-10-13 07:57:44,235 INFO L857 garLoopResultBuilder]: For program point L235(lines 235 240) no Hoare annotation was computed. [2021-10-13 07:57:44,235 INFO L857 garLoopResultBuilder]: For program point L202(lines 202 596) no Hoare annotation was computed. [2021-10-13 07:57:44,235 INFO L857 garLoopResultBuilder]: For program point L169(lines 169 607) no Hoare annotation was computed. [2021-10-13 07:57:44,235 INFO L857 garLoopResultBuilder]: For program point L136(lines 136 618) no Hoare annotation was computed. [2021-10-13 07:57:44,236 INFO L853 garLoopResultBuilder]: At program point L103-2(lines 103 659) the Hoare annotation is: (let ((.cse28 (bvadd (bvmul (_ bv2 32) ULTIMATE.start_ssl3_accept_~ag_Y~0) (bvmul (_ bv2 32) ULTIMATE.start_ssl3_accept_~ag_X~0))) (.cse6 (= ULTIMATE.start_ssl3_accept_~s__hit~0 (_ bv0 32)))) (let ((.cse21 (= (_ bv8512 32) ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse15 (= (_ bv8482 32) ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse16 (= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 (_ bv8482 32))) (.cse18 (= (_ bv8576 32) ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse25 (= (_ bv8608 32) ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse22 (= (_ bv8592 32) ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse14 (= (_ bv3 32) ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0)) (.cse12 (= (_ bv8672 32) ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse20 (= (_ bv3 32) ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse4 (= (_ bv8656 32) ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse0 (not (= (_ bv4 32) ULTIMATE.start_ssl3_accept_~blastFlag~0))) (.cse2 (= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 (_ bv8640 32))) (.cse3 (not .cse6)) (.cse17 (= (_ bv8576 32) ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0)) (.cse1 (= (_ bv8448 32) ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse19 (= (_ bv8640 32) ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse27 (= (_ bv8560 32) ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse23 (= .cse28 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse10 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 (_ bv1 32))) (.cse24 (= (_ bv8528 32) ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse26 (= (_ bv8544 32) ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse13 (= (_ bv8448 32) .cse28)) (.cse11 (= (_ bv8466 32) ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 (_ bv8496 32)))) (.cse7 (= .cse28 (_ bv8496 32))) (.cse8 (= (_ bv2 32) ULTIMATE.start_ssl3_accept_~blastFlag~0)) (.cse9 (not (= (_ bv8497 32) ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse10 .cse11) (and .cse12 .cse0 .cse5 .cse6 .cse13 .cse9) (and .cse14 .cse0 .cse1 .cse6 .cse7) (and .cse15 .cse6 .cse16) (and .cse17 .cse18 .cse6 .cse7 .cse8) (and .cse12 .cse0 .cse5 .cse6 .cse7 .cse9) (and .cse19 .cse10) (and .cse20 .cse5 .cse6) (and .cse1 .cse6 .cse16) (and .cse21 .cse6 .cse7 .cse8) (and .cse17 .cse1 .cse10) (and .cse5 .cse6 .cse13 .cse22 .cse8 .cse9) (and .cse17 .cse18 .cse6 .cse13 .cse8) (and .cse4 .cse3 .cse8) (and .cse23 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse17 .cse11 .cse6 .cse13 .cse8) (and .cse24 .cse10) (and .cse21 .cse6 .cse13 .cse8) (and .cse17 .cse23 .cse6 .cse13 .cse8) (and .cse4 .cse10 .cse6) (and .cse17 .cse6 .cse25 .cse7 .cse8) (and .cse19 .cse5 .cse6 .cse13 .cse8 .cse9) (and .cse15 .cse10 .cse16) (and .cse26 .cse6 .cse7 .cse8) (and .cse1 .cse10 .cse16) (and .cse12 .cse10) (and .cse17 .cse18 .cse10) (and .cse14 .cse0 .cse23 .cse6 .cse13) (and .cse5 .cse6 .cse25 .cse13 .cse8 .cse9) (and .cse10 .cse22) (and .cse27 .cse6 .cse13 .cse8) (and .cse10 .cse25) (and .cse10 .cse26) (and .cse17 .cse6 .cse22 .cse7 .cse8) (and .cse14 .cse1 .cse10) (and .cse24 .cse6 .cse13 .cse8) (and .cse12 .cse0 .cse3) (and .cse20 .cse10) (and .cse27 .cse10) (and .cse0 .cse20 .cse2) (and .cse4 .cse5 .cse6 .cse13 .cse8 .cse9) (and .cse0 .cse19 .cse2 .cse3) (and .cse17 .cse1 .cse6 .cse7 .cse8) (and .cse19 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse27 .cse6 .cse7 .cse8) (and .cse10 .cse23) (and .cse10 .cse13) (and .cse24 .cse6 .cse7 .cse8) (and (= (_ bv8464 32) ULTIMATE.start_ssl3_accept_~s__state~0) (= ULTIMATE.start_ssl3_accept_~blastFlag~0 (_ bv0 32))) (and .cse26 .cse6 .cse13 .cse8) (and .cse11 .cse5 .cse6 .cse7 .cse8 .cse9)))) [2021-10-13 07:57:44,236 INFO L853 garLoopResultBuilder]: At program point L170(lines 169 607) the Hoare annotation is: (let ((.cse12 (bvadd (bvmul (_ bv2 32) ULTIMATE.start_ssl3_accept_~ag_Y~0) (bvmul (_ bv2 32) ULTIMATE.start_ssl3_accept_~ag_X~0)))) (let ((.cse3 (= (_ bv3 32) ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0)) (.cse0 (not (= (_ bv4 32) ULTIMATE.start_ssl3_accept_~blastFlag~0))) (.cse8 (not (= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 (_ bv8496 32)))) (.cse5 (= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 (_ bv8482 32))) (.cse6 (= (_ bv8576 32) ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0)) (.cse1 (= (_ bv8448 32) ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse2 (= ULTIMATE.start_ssl3_accept_~s__hit~0 (_ bv0 32))) (.cse4 (= .cse12 (_ bv8496 32))) (.cse11 (= (_ bv2 32) ULTIMATE.start_ssl3_accept_~blastFlag~0)) (.cse7 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 (_ bv1 32))) (.cse9 (= .cse12 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse10 (= (_ bv8448 32) .cse12))) (or (and .cse0 .cse1 (= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 (_ bv8640 32)) (not .cse2)) (and .cse3 .cse0 .cse1 .cse2 .cse4) (and .cse1 .cse2 .cse5) (and .cse6 .cse1 .cse7) (and .cse3 .cse1 .cse7 .cse8) (and .cse6 .cse9 .cse2 .cse10 .cse11) (and .cse3 .cse0 .cse9 .cse2 .cse10) (and .cse1 .cse7 .cse8 .cse5) (and .cse6 .cse1 .cse2 .cse4 .cse11) (and .cse7 .cse9 .cse10)))) [2021-10-13 07:57:44,236 INFO L853 garLoopResultBuilder]: At program point L137(lines 130 620) the Hoare annotation is: (let ((.cse5 (bvadd (bvmul (_ bv2 32) ULTIMATE.start_ssl3_accept_~ag_Y~0) (bvmul (_ bv2 32) ULTIMATE.start_ssl3_accept_~ag_X~0)))) (let ((.cse8 (= (_ bv8448 32) .cse5))) (let ((.cse3 (= ULTIMATE.start_ssl3_accept_~s__hit~0 (_ bv0 32))) (.cse7 (= (_ bv2 32) ULTIMATE.start_ssl3_accept_~blastFlag~0)) (.cse0 (not (= (_ bv8497 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= (_ bv8481 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse2 (or (not (= (_ bv8448 32) ULTIMATE.start_ssl3_accept_~s__state~0)) .cse8)) (.cse4 (not (= (_ bv8480 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse6 (not (= (_ bv8496 32) ULTIMATE.start_ssl3_accept_~s__state~0)))) (or (and .cse0 .cse1 .cse2 (not (= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 (_ bv8496 32))) .cse3 .cse4 (= .cse5 (_ bv8496 32)) .cse6 .cse7 (not (= (_ bv8497 32) ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0))) (and .cse0 (not (= (_ bv8465 32) ULTIMATE.start_ssl3_accept_~s__state~0)) (= ULTIMATE.start_ssl3_accept_~blastFlag~0 (_ bv0 32)) (not (= (_ bv8466 32) ULTIMATE.start_ssl3_accept_~s__state~0)) .cse1 .cse2 .cse4 .cse6) (and (= (_ bv8576 32) ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0) .cse0 .cse1 .cse3 .cse8 .cse4 .cse6 .cse7) (and .cse0 .cse1 .cse2 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 (_ bv1 32)) .cse4 .cse6))))) [2021-10-13 07:57:44,236 INFO L857 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2021-10-13 07:57:44,236 INFO L857 garLoopResultBuilder]: For program point L633(lines 633 637) no Hoare annotation was computed. [2021-10-13 07:57:44,236 INFO L857 garLoopResultBuilder]: For program point L205(lines 205 595) no Hoare annotation was computed. [2021-10-13 07:57:44,236 INFO L857 garLoopResultBuilder]: For program point L172(lines 172 606) no Hoare annotation was computed. [2021-10-13 07:57:44,236 INFO L857 garLoopResultBuilder]: For program point L139(lines 139 617) no Hoare annotation was computed. [2021-10-13 07:57:44,236 INFO L857 garLoopResultBuilder]: For program point L106(lines 106 628) no Hoare annotation was computed. [2021-10-13 07:57:44,237 INFO L857 garLoopResultBuilder]: For program point L338(lines 338 342) no Hoare annotation was computed. [2021-10-13 07:57:44,237 INFO L853 garLoopResultBuilder]: At program point L206(lines 202 596) the Hoare annotation is: (let ((.cse11 (bvadd (bvmul (_ bv2 32) ULTIMATE.start_ssl3_accept_~ag_Y~0) (bvmul (_ bv2 32) ULTIMATE.start_ssl3_accept_~ag_X~0)))) (let ((.cse13 (= (_ bv8448 32) .cse11))) (let ((.cse5 (or (not (= (_ bv8448 32) ULTIMATE.start_ssl3_accept_~s__state~0)) .cse13)) (.cse9 (not (= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 (_ bv8496 32)))) (.cse12 (not (= (_ bv8497 32) ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0))) (.cse0 (not (= (_ bv8497 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (not (= (_ bv4 32) ULTIMATE.start_ssl3_accept_~blastFlag~0))) (.cse1 (not (= (_ bv8465 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse2 (not (= (_ bv8464 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= (_ bv8466 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= (_ bv8481 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse6 (not (= (_ bv8480 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse7 (not (= (_ bv8496 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (= ULTIMATE.start_ssl3_accept_~s__hit~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 (_ bv1 32)) .cse6 .cse7) (and .cse0 .cse8 .cse1 .cse2 .cse3 .cse4 .cse5 .cse9 .cse10 .cse6 (= .cse11 (_ bv8496 32)) .cse7 .cse12) (and .cse0 .cse8 .cse1 .cse2 .cse3 .cse4 .cse9 .cse10 .cse13 .cse6 .cse7 .cse12) (and .cse0 .cse8 .cse1 .cse2 .cse3 .cse4 .cse6 .cse7 (not .cse10)))))) [2021-10-13 07:57:44,237 INFO L860 garLoopResultBuilder]: At program point L107(lines 106 628) the Hoare annotation is: true [2021-10-13 07:57:44,237 INFO L857 garLoopResultBuilder]: For program point L471(lines 471 482) no Hoare annotation was computed. [2021-10-13 07:57:44,237 INFO L857 garLoopResultBuilder]: For program point L438(lines 438 442) no Hoare annotation was computed. [2021-10-13 07:57:44,237 INFO L853 garLoopResultBuilder]: At program point L372(lines 355 390) the Hoare annotation is: (let ((.cse11 (bvadd (bvmul (_ bv2 32) ULTIMATE.start_ssl3_accept_~ag_Y~0) (bvmul (_ bv2 32) ULTIMATE.start_ssl3_accept_~ag_X~0)))) (let ((.cse6 (= (_ bv8448 32) .cse11))) (let ((.cse0 (not (= (_ bv8497 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= (_ bv8465 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse2 (not (= (_ bv8464 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= (_ bv8466 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= (_ bv8481 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (or (not (= (_ bv8448 32) ULTIMATE.start_ssl3_accept_~s__state~0)) .cse6)) (.cse5 (= ULTIMATE.start_ssl3_accept_~s__hit~0 (_ bv0 32))) (.cse7 (not (= (_ bv8480 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (not (= (_ bv8496 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse9 (= (_ bv2 32) ULTIMATE.start_ssl3_accept_~blastFlag~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse10 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 (_ bv1 32)) .cse7 .cse8) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse10 .cse5 .cse7 (= .cse11 (_ bv8496 32)) .cse8 .cse9))))) [2021-10-13 07:57:44,237 INFO L853 garLoopResultBuilder]: At program point L406(lines 397 428) the Hoare annotation is: (let ((.cse11 (bvadd (bvmul (_ bv2 32) ULTIMATE.start_ssl3_accept_~ag_Y~0) (bvmul (_ bv2 32) ULTIMATE.start_ssl3_accept_~ag_X~0)))) (let ((.cse6 (= (_ bv8448 32) .cse11))) (let ((.cse0 (not (= (_ bv8497 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= (_ bv8465 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse2 (not (= (_ bv8464 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= (_ bv8466 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= (_ bv8481 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (or (not (= (_ bv8448 32) ULTIMATE.start_ssl3_accept_~s__state~0)) .cse6)) (.cse5 (= ULTIMATE.start_ssl3_accept_~s__hit~0 (_ bv0 32))) (.cse7 (not (= (_ bv8480 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (not (= (_ bv8496 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse9 (= (_ bv2 32) ULTIMATE.start_ssl3_accept_~blastFlag~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse10 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 (_ bv1 32)) .cse7 .cse8) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse10 .cse5 .cse7 (= .cse11 (_ bv8496 32)) .cse8 .cse9))))) [2021-10-13 07:57:44,237 INFO L857 garLoopResultBuilder]: For program point L241(lines 241 246) no Hoare annotation was computed. [2021-10-13 07:57:44,237 INFO L857 garLoopResultBuilder]: For program point L208(lines 208 594) no Hoare annotation was computed. [2021-10-13 07:57:44,237 INFO L857 garLoopResultBuilder]: For program point L175(lines 175 605) no Hoare annotation was computed. [2021-10-13 07:57:44,237 INFO L857 garLoopResultBuilder]: For program point L142(lines 142 616) no Hoare annotation was computed. [2021-10-13 07:57:44,237 INFO L857 garLoopResultBuilder]: For program point L109(lines 109 627) no Hoare annotation was computed. [2021-10-13 07:57:44,237 INFO L857 garLoopResultBuilder]: For program point L374(lines 374 378) no Hoare annotation was computed. [2021-10-13 07:57:44,238 INFO L860 garLoopResultBuilder]: At program point L209(lines 208 594) the Hoare annotation is: true [2021-10-13 07:57:44,238 INFO L853 garLoopResultBuilder]: At program point L176(lines 172 606) the Hoare annotation is: (let ((.cse12 (bvadd (bvmul (_ bv2 32) ULTIMATE.start_ssl3_accept_~ag_Y~0) (bvmul (_ bv2 32) ULTIMATE.start_ssl3_accept_~ag_X~0)))) (let ((.cse7 (= (_ bv8448 32) .cse12))) (let ((.cse6 (= ULTIMATE.start_ssl3_accept_~s__hit~0 (_ bv0 32))) (.cse10 (= (_ bv2 32) ULTIMATE.start_ssl3_accept_~blastFlag~0)) (.cse0 (= (_ bv8576 32) ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0)) (.cse11 (or (not (= (_ bv8448 32) ULTIMATE.start_ssl3_accept_~s__state~0)) .cse7)) (.cse1 (not (= (_ bv8497 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse2 (not (= (_ bv8465 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= (_ bv8464 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= (_ bv8466 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse5 (not (= (_ bv8481 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse13 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 (_ bv1 32))) (.cse8 (not (= (_ bv8480 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse9 (not (= (_ bv8496 32) ULTIMATE.start_ssl3_accept_~s__state~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse11 .cse6 .cse8 (= .cse12 (_ bv8496 32)) .cse9 .cse10) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse11 .cse13 .cse8 .cse9) (and .cse3 .cse4 .cse13 (= .cse12 ULTIMATE.start_ssl3_accept_~s__state~0) .cse8 .cse9) (and .cse1 .cse2 .cse3 .cse4 .cse5 .cse13 .cse7 .cse8 .cse9))))) [2021-10-13 07:57:44,238 INFO L853 garLoopResultBuilder]: At program point L143(lines 139 617) the Hoare annotation is: (let ((.cse5 (bvadd (bvmul (_ bv2 32) ULTIMATE.start_ssl3_accept_~ag_Y~0) (bvmul (_ bv2 32) ULTIMATE.start_ssl3_accept_~ag_X~0)))) (let ((.cse0 (not (= (_ bv8465 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= (_ bv8464 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse2 (not (= (_ bv8466 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= (_ bv8481 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 (_ bv1 32))) (.cse7 (= .cse5 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse6 (not (= (_ bv8480 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (= .cse5 (_ bv8496 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= (_ bv8448 32) .cse5) .cse6) (and .cse7 (not (= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 (_ bv8496 32))) (= ULTIMATE.start_ssl3_accept_~s__hit~0 (_ bv0 32)) .cse8 (= (_ bv2 32) ULTIMATE.start_ssl3_accept_~blastFlag~0) (not (= (_ bv8497 32) ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0))) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse7 .cse6 .cse8)))) [2021-10-13 07:57:44,238 INFO L857 garLoopResultBuilder]: For program point L77(lines 77 85) no Hoare annotation was computed. [2021-10-13 07:57:44,238 INFO L857 garLoopResultBuilder]: For program point L408(lines 408 414) no Hoare annotation was computed. [2021-10-13 07:57:44,238 INFO L857 garLoopResultBuilder]: For program point L574(lines 574 584) no Hoare annotation was computed. [2021-10-13 07:57:44,238 INFO L857 garLoopResultBuilder]: For program point L574-1(lines 574 584) no Hoare annotation was computed. [2021-10-13 07:57:44,238 INFO L857 garLoopResultBuilder]: For program point L475(lines 475 479) no Hoare annotation was computed. [2021-10-13 07:57:44,238 INFO L857 garLoopResultBuilder]: For program point L277(lines 277 281) no Hoare annotation was computed. [2021-10-13 07:57:44,238 INFO L857 garLoopResultBuilder]: For program point L178(lines 178 604) no Hoare annotation was computed. [2021-10-13 07:57:44,238 INFO L857 garLoopResultBuilder]: For program point L145(lines 145 615) no Hoare annotation was computed. [2021-10-13 07:57:44,238 INFO L857 garLoopResultBuilder]: For program point L112(lines 112 626) no Hoare annotation was computed. [2021-10-13 07:57:44,238 INFO L857 garLoopResultBuilder]: For program point L509(lines 509 513) no Hoare annotation was computed. [2021-10-13 07:57:44,238 INFO L857 garLoopResultBuilder]: For program point L311(lines 311 319) no Hoare annotation was computed. [2021-10-13 07:57:44,239 INFO L860 garLoopResultBuilder]: At program point L212(lines 211 593) the Hoare annotation is: true [2021-10-13 07:57:44,239 INFO L857 garLoopResultBuilder]: For program point L80(lines 80 84) no Hoare annotation was computed. [2021-10-13 07:57:44,239 INFO L857 garLoopResultBuilder]: For program point L80-2(lines 77 85) no Hoare annotation was computed. [2021-10-13 07:57:44,239 INFO L860 garLoopResultBuilder]: At program point L675(lines 68 677) the Hoare annotation is: true [2021-10-13 07:57:44,239 INFO L857 garLoopResultBuilder]: For program point L642(lines 642 648) no Hoare annotation was computed. [2021-10-13 07:57:44,239 INFO L857 garLoopResultBuilder]: For program point L543(lines 543 548) no Hoare annotation was computed. [2021-10-13 07:57:44,239 INFO L860 garLoopResultBuilder]: At program point L676(lines 11 678) the Hoare annotation is: true [2021-10-13 07:57:44,239 INFO L857 garLoopResultBuilder]: For program point L577(lines 577 581) no Hoare annotation was computed. [2021-10-13 07:57:44,239 INFO L857 garLoopResultBuilder]: For program point L181(lines 181 603) no Hoare annotation was computed. [2021-10-13 07:57:44,239 INFO L857 garLoopResultBuilder]: For program point L148(lines 148 614) no Hoare annotation was computed. [2021-10-13 07:57:44,239 INFO L857 garLoopResultBuilder]: For program point L115(lines 115 625) no Hoare annotation was computed. [2021-10-13 07:57:44,239 INFO L857 garLoopResultBuilder]: For program point L314(lines 314 318) no Hoare annotation was computed. [2021-10-13 07:57:44,239 INFO L857 garLoopResultBuilder]: For program point L314-2(lines 213 590) no Hoare annotation was computed. [2021-10-13 07:57:44,239 INFO L853 garLoopResultBuilder]: At program point L182(lines 178 604) the Hoare annotation is: (let ((.cse8 (bvadd (bvmul (_ bv2 32) ULTIMATE.start_ssl3_accept_~ag_Y~0) (bvmul (_ bv2 32) ULTIMATE.start_ssl3_accept_~ag_X~0)))) (let ((.cse11 (= (_ bv8448 32) .cse8))) (let ((.cse5 (or (not (= (_ bv8448 32) ULTIMATE.start_ssl3_accept_~s__state~0)) .cse11)) (.cse0 (not (= (_ bv8497 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= (_ bv8465 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse2 (not (= (_ bv8464 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= (_ bv8466 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= (_ bv8481 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse6 (= ULTIMATE.start_ssl3_accept_~s__hit~0 (_ bv0 32))) (.cse7 (not (= (_ bv8480 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse9 (not (= (_ bv8496 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (= (_ bv2 32) ULTIMATE.start_ssl3_accept_~blastFlag~0))) (or (and (= (_ bv8576 32) ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (= .cse8 (_ bv8496 32)) .cse9 .cse10) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 (_ bv1 32)) .cse7 .cse9) (and .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 (_ bv8496 32))) .cse6 .cse11 .cse7 .cse9 .cse10 (not (= (_ bv8497 32) ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0))))))) [2021-10-13 07:57:44,240 INFO L853 garLoopResultBuilder]: At program point L149(lines 145 615) the Hoare annotation is: (let ((.cse11 (bvadd (bvmul (_ bv2 32) ULTIMATE.start_ssl3_accept_~ag_Y~0) (bvmul (_ bv2 32) ULTIMATE.start_ssl3_accept_~ag_X~0)))) (let ((.cse6 (= (_ bv8448 32) .cse11))) (let ((.cse0 (not (= (_ bv8497 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= (_ bv8465 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse2 (not (= (_ bv8464 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= (_ bv8466 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= (_ bv8481 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (or (not (= (_ bv8448 32) ULTIMATE.start_ssl3_accept_~s__state~0)) .cse6)) (.cse5 (= ULTIMATE.start_ssl3_accept_~s__hit~0 (_ bv0 32))) (.cse7 (not (= (_ bv8480 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (not (= (_ bv8496 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse9 (= (_ bv2 32) ULTIMATE.start_ssl3_accept_~blastFlag~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse10 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 (_ bv1 32)) .cse7 .cse8) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse10 .cse5 .cse7 (= .cse11 (_ bv8496 32)) .cse8 .cse9))))) [2021-10-13 07:57:44,240 INFO L860 garLoopResultBuilder]: At program point L216(lines 109 627) the Hoare annotation is: true [2021-10-13 07:57:44,240 INFO L857 garLoopResultBuilder]: For program point L514(lines 514 518) no Hoare annotation was computed. [2021-10-13 07:57:44,240 INFO L857 garLoopResultBuilder]: For program point L514-2(lines 514 518) no Hoare annotation was computed. [2021-10-13 07:57:44,240 INFO L857 garLoopResultBuilder]: For program point L448-1(lines 448 460) no Hoare annotation was computed. [2021-10-13 07:57:44,240 INFO L857 garLoopResultBuilder]: For program point L184(lines 184 602) no Hoare annotation was computed. [2021-10-13 07:57:44,240 INFO L857 garLoopResultBuilder]: For program point L151(lines 151 613) no Hoare annotation was computed. [2021-10-13 07:57:44,240 INFO L857 garLoopResultBuilder]: For program point L118(lines 118 624) no Hoare annotation was computed. [2021-10-13 07:57:44,241 INFO L853 garLoopResultBuilder]: At program point L416(lines 407 427) the Hoare annotation is: (let ((.cse11 (bvadd (bvmul (_ bv2 32) ULTIMATE.start_ssl3_accept_~ag_Y~0) (bvmul (_ bv2 32) ULTIMATE.start_ssl3_accept_~ag_X~0)))) (let ((.cse6 (= (_ bv8448 32) .cse11))) (let ((.cse0 (not (= (_ bv8497 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= (_ bv8465 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse2 (not (= (_ bv8464 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= (_ bv8466 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= (_ bv8481 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (or (not (= (_ bv8448 32) ULTIMATE.start_ssl3_accept_~s__state~0)) .cse6)) (.cse5 (= ULTIMATE.start_ssl3_accept_~s__hit~0 (_ bv0 32))) (.cse7 (not (= (_ bv8480 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (not (= (_ bv8496 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse9 (= (_ bv2 32) ULTIMATE.start_ssl3_accept_~blastFlag~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse10 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 (_ bv1 32)) .cse7 .cse8) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse10 .cse5 .cse7 (= .cse11 (_ bv8496 32)) .cse8 .cse9))))) [2021-10-13 07:57:44,241 INFO L857 garLoopResultBuilder]: For program point L350(lines 350 354) no Hoare annotation was computed. [2021-10-13 07:57:44,241 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-13 07:57:44,241 INFO L857 garLoopResultBuilder]: For program point L350-2(lines 213 590) no Hoare annotation was computed. [2021-10-13 07:57:44,241 INFO L857 garLoopResultBuilder]: For program point L87(lines 87 95) no Hoare annotation was computed. [2021-10-13 07:57:44,241 INFO L857 garLoopResultBuilder]: For program point L87-1(lines 68 677) no Hoare annotation was computed. [2021-10-13 07:57:44,241 INFO L857 garLoopResultBuilder]: For program point L451(lines 451 456) no Hoare annotation was computed. [2021-10-13 07:57:44,242 INFO L857 garLoopResultBuilder]: For program point L187(lines 187 601) no Hoare annotation was computed. [2021-10-13 07:57:44,242 INFO L857 garLoopResultBuilder]: For program point L154(lines 154 612) no Hoare annotation was computed. [2021-10-13 07:57:44,242 INFO L857 garLoopResultBuilder]: For program point L121(lines 121 623) no Hoare annotation was computed. [2021-10-13 07:57:44,242 INFO L857 garLoopResultBuilder]: For program point L88(lines 88 92) no Hoare annotation was computed. [2021-10-13 07:57:44,242 INFO L857 garLoopResultBuilder]: For program point L419(lines 419 423) no Hoare annotation was computed. [2021-10-13 07:57:44,242 INFO L857 garLoopResultBuilder]: For program point L221(lines 221 225) no Hoare annotation was computed. [2021-10-13 07:57:44,242 INFO L853 garLoopResultBuilder]: At program point L188(lines 184 602) the Hoare annotation is: (let ((.cse2 (bvadd (bvmul (_ bv2 32) ULTIMATE.start_ssl3_accept_~ag_Y~0) (bvmul (_ bv2 32) ULTIMATE.start_ssl3_accept_~ag_X~0)))) (let ((.cse5 (not (= (_ bv8497 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse6 (not (= (_ bv8465 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse7 (not (= (_ bv8464 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (not (= (_ bv8466 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse9 (not (= (_ bv8481 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 (_ bv8496 32)))) (.cse1 (= ULTIMATE.start_ssl3_accept_~s__hit~0 (_ bv0 32))) (.cse10 (= (_ bv8448 32) .cse2)) (.cse11 (not (= (_ bv8480 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse12 (not (= (_ bv8496 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (= (_ bv2 32) ULTIMATE.start_ssl3_accept_~blastFlag~0)) (.cse4 (not (= (_ bv8497 32) ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0)))) (or (and .cse0 .cse1 (= (_ bv8608 32) ULTIMATE.start_ssl3_accept_~s__state~0) (= .cse2 (_ bv8496 32)) .cse3 .cse4) (and .cse5 .cse6 .cse7 .cse8 .cse9 (or (not (= (_ bv8448 32) ULTIMATE.start_ssl3_accept_~s__state~0)) .cse10) (= ULTIMATE.start_ssl3_accept_~blastFlag~0 (_ bv1 32)) .cse11 .cse12) (and .cse5 .cse6 .cse7 .cse8 .cse9 .cse0 .cse1 .cse10 .cse11 .cse12 .cse3 .cse4)))) [2021-10-13 07:57:44,242 INFO L853 garLoopResultBuilder]: At program point L155(lines 151 613) the Hoare annotation is: (let ((.cse11 (bvadd (bvmul (_ bv2 32) ULTIMATE.start_ssl3_accept_~ag_Y~0) (bvmul (_ bv2 32) ULTIMATE.start_ssl3_accept_~ag_X~0)))) (let ((.cse6 (= (_ bv8448 32) .cse11))) (let ((.cse0 (not (= (_ bv8497 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= (_ bv8465 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse2 (not (= (_ bv8464 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= (_ bv8466 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= (_ bv8481 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (or (not (= (_ bv8448 32) ULTIMATE.start_ssl3_accept_~s__state~0)) .cse6)) (.cse5 (= ULTIMATE.start_ssl3_accept_~s__hit~0 (_ bv0 32))) (.cse7 (not (= (_ bv8480 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (not (= (_ bv8496 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse9 (= (_ bv2 32) ULTIMATE.start_ssl3_accept_~blastFlag~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse10 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 (_ bv1 32)) .cse7 .cse8) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse10 .cse5 .cse7 (= .cse11 (_ bv8496 32)) .cse8 .cse9))))) [2021-10-13 07:57:44,242 INFO L857 garLoopResultBuilder]: For program point L221-2(lines 213 590) no Hoare annotation was computed. [2021-10-13 07:57:44,243 INFO L857 garLoopResultBuilder]: For program point L553(lines 553 557) no Hoare annotation was computed. [2021-10-13 07:57:44,243 INFO L857 garLoopResultBuilder]: For program point L487(lines 487 491) no Hoare annotation was computed. [2021-10-13 07:57:44,243 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-13 07:57:44,243 INFO L857 garLoopResultBuilder]: For program point L190(lines 190 600) no Hoare annotation was computed. [2021-10-13 07:57:44,243 INFO L857 garLoopResultBuilder]: For program point L157(lines 157 611) no Hoare annotation was computed. [2021-10-13 07:57:44,243 INFO L857 garLoopResultBuilder]: For program point L124(lines 124 622) no Hoare annotation was computed. [2021-10-13 07:57:44,243 INFO L853 garLoopResultBuilder]: At program point L554(lines 68 677) the Hoare annotation is: false [2021-10-13 07:57:44,243 INFO L853 garLoopResultBuilder]: At program point L125(lines 121 623) the Hoare annotation is: (let ((.cse0 (not (= (_ bv8497 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= (_ bv8465 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse2 (not (= (_ bv8464 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= (_ bv8466 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (or (not (= (_ bv8448 32) ULTIMATE.start_ssl3_accept_~s__state~0)) (= (_ bv8448 32) (bvadd (bvmul (_ bv2 32) ULTIMATE.start_ssl3_accept_~ag_Y~0) (bvmul (_ bv2 32) ULTIMATE.start_ssl3_accept_~ag_X~0))))) (.cse5 (not (= (_ bv8496 32) ULTIMATE.start_ssl3_accept_~s__state~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 (_ bv8496 32))) (= ULTIMATE.start_ssl3_accept_~s__hit~0 (_ bv0 32)) .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 (_ bv1 32)) .cse5))) [2021-10-13 07:57:44,243 INFO L857 garLoopResultBuilder]: For program point L258(lines 258 271) no Hoare annotation was computed. [2021-10-13 07:57:44,243 INFO L860 garLoopResultBuilder]: At program point L688(lines 679 690) the Hoare annotation is: true [2021-10-13 07:57:44,243 INFO L857 garLoopResultBuilder]: For program point L358(lines 358 389) no Hoare annotation was computed. [2021-10-13 07:57:44,243 INFO L857 garLoopResultBuilder]: For program point L325(lines 325 329) no Hoare annotation was computed. [2021-10-13 07:57:44,243 INFO L857 garLoopResultBuilder]: For program point L259(lines 259 264) no Hoare annotation was computed. [2021-10-13 07:57:44,243 INFO L857 garLoopResultBuilder]: For program point L325-2(lines 325 329) no Hoare annotation was computed. [2021-10-13 07:57:44,243 INFO L857 garLoopResultBuilder]: For program point L193(lines 193 599) no Hoare annotation was computed. [2021-10-13 07:57:44,244 INFO L857 garLoopResultBuilder]: For program point L160(lines 160 610) no Hoare annotation was computed. [2021-10-13 07:57:44,244 INFO L857 garLoopResultBuilder]: For program point L127(lines 127 621) no Hoare annotation was computed. [2021-10-13 07:57:44,244 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-13 07:57:44,244 INFO L857 garLoopResultBuilder]: For program point L524(lines 524 529) no Hoare annotation was computed. [2021-10-13 07:57:44,244 INFO L853 garLoopResultBuilder]: At program point L194(lines 190 600) the Hoare annotation is: (let ((.cse10 (bvadd (bvmul (_ bv2 32) ULTIMATE.start_ssl3_accept_~ag_Y~0) (bvmul (_ bv2 32) ULTIMATE.start_ssl3_accept_~ag_X~0)))) (let ((.cse13 (= (_ bv8448 32) .cse10))) (let ((.cse8 (or (not (= (_ bv8448 32) ULTIMATE.start_ssl3_accept_~s__state~0)) .cse13)) (.cse0 (not (= (_ bv8497 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= (_ bv8465 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse2 (not (= (_ bv8464 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= (_ bv8466 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= (_ bv8481 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse9 (not (= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 (_ bv8496 32)))) (.cse7 (= ULTIMATE.start_ssl3_accept_~s__hit~0 (_ bv0 32))) (.cse5 (not (= (_ bv8480 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse6 (not (= (_ bv8496 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse11 (= (_ bv2 32) ULTIMATE.start_ssl3_accept_~blastFlag~0)) (.cse12 (not (= (_ bv8497 32) ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0)))) (or (and .cse0 (not (= (_ bv4 32) ULTIMATE.start_ssl3_accept_~blastFlag~0)) .cse1 .cse2 .cse3 .cse4 (= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 (_ bv8640 32)) .cse5 .cse6 (not .cse7)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse8 .cse9 .cse7 .cse5 (= .cse10 (_ bv8496 32)) .cse6 .cse11 .cse12) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse8 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 (_ bv1 32)) .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse9 .cse7 .cse13 .cse5 .cse6 .cse11 .cse12))))) [2021-10-13 07:57:44,244 INFO L853 garLoopResultBuilder]: At program point L161(lines 157 611) the Hoare annotation is: (let ((.cse11 (bvadd (bvmul (_ bv2 32) ULTIMATE.start_ssl3_accept_~ag_Y~0) (bvmul (_ bv2 32) ULTIMATE.start_ssl3_accept_~ag_X~0)))) (let ((.cse6 (= (_ bv8448 32) .cse11))) (let ((.cse0 (not (= (_ bv8497 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= (_ bv8465 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse2 (not (= (_ bv8464 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= (_ bv8466 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= (_ bv8481 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (or (not (= (_ bv8448 32) ULTIMATE.start_ssl3_accept_~s__state~0)) .cse6)) (.cse5 (= ULTIMATE.start_ssl3_accept_~s__hit~0 (_ bv0 32))) (.cse7 (not (= (_ bv8480 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (not (= (_ bv8496 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse9 (= (_ bv2 32) ULTIMATE.start_ssl3_accept_~blastFlag~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse10 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 (_ bv1 32)) .cse7 .cse8) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse10 .cse5 .cse7 (= .cse11 (_ bv8496 32)) .cse8 .cse9))))) [2021-10-13 07:57:44,244 INFO L853 garLoopResultBuilder]: At program point L128(lines 127 621) the Hoare annotation is: (let ((.cse0 (not (= (_ bv8497 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= (_ bv8465 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse2 (not (= (_ bv8464 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= (_ bv8466 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= (_ bv8481 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse5 (not (= (_ bv8480 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse6 (not (= (_ bv8496 32) ULTIMATE.start_ssl3_accept_~s__state~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 (_ bv8496 32))) (= ULTIMATE.start_ssl3_accept_~s__hit~0 (_ bv0 32)) .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 (_ bv1 32)) .cse5 .cse6))) [2021-10-13 07:57:44,244 INFO L853 garLoopResultBuilder]: At program point L591(lines 103 659) the Hoare annotation is: (let ((.cse28 (bvadd (bvmul (_ bv2 32) ULTIMATE.start_ssl3_accept_~ag_Y~0) (bvmul (_ bv2 32) ULTIMATE.start_ssl3_accept_~ag_X~0))) (.cse6 (= ULTIMATE.start_ssl3_accept_~s__hit~0 (_ bv0 32)))) (let ((.cse21 (= (_ bv8512 32) ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse15 (= (_ bv8482 32) ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse16 (= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 (_ bv8482 32))) (.cse18 (= (_ bv8576 32) ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse25 (= (_ bv8608 32) ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse22 (= (_ bv8592 32) ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse14 (= (_ bv3 32) ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0)) (.cse12 (= (_ bv8672 32) ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse20 (= (_ bv3 32) ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse4 (= (_ bv8656 32) ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse0 (not (= (_ bv4 32) ULTIMATE.start_ssl3_accept_~blastFlag~0))) (.cse2 (= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 (_ bv8640 32))) (.cse3 (not .cse6)) (.cse17 (= (_ bv8576 32) ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0)) (.cse1 (= (_ bv8448 32) ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse19 (= (_ bv8640 32) ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse27 (= (_ bv8560 32) ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse23 (= .cse28 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse10 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 (_ bv1 32))) (.cse24 (= (_ bv8528 32) ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse26 (= (_ bv8544 32) ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse13 (= (_ bv8448 32) .cse28)) (.cse11 (= (_ bv8466 32) ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 (_ bv8496 32)))) (.cse7 (= .cse28 (_ bv8496 32))) (.cse8 (= (_ bv2 32) ULTIMATE.start_ssl3_accept_~blastFlag~0)) (.cse9 (not (= (_ bv8497 32) ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse10 .cse11) (and .cse12 .cse0 .cse5 .cse6 .cse13 .cse9) (and .cse14 .cse0 .cse1 .cse6 .cse7) (and .cse15 .cse6 .cse16) (and .cse17 .cse18 .cse6 .cse7 .cse8) (and .cse12 .cse0 .cse5 .cse6 .cse7 .cse9) (and .cse19 .cse10) (and .cse20 .cse5 .cse6) (and .cse1 .cse6 .cse16) (and .cse21 .cse6 .cse7 .cse8) (and .cse17 .cse1 .cse10) (and .cse5 .cse6 .cse13 .cse22 .cse8 .cse9) (and .cse17 .cse18 .cse6 .cse13 .cse8) (and .cse4 .cse3 .cse8) (and .cse23 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse17 .cse11 .cse6 .cse13 .cse8) (and .cse24 .cse10) (and .cse21 .cse6 .cse13 .cse8) (and .cse17 .cse23 .cse6 .cse13 .cse8) (and .cse4 .cse10 .cse6) (and .cse17 .cse6 .cse25 .cse7 .cse8) (and .cse19 .cse5 .cse6 .cse13 .cse8 .cse9) (and .cse15 .cse10 .cse16) (and .cse26 .cse6 .cse7 .cse8) (and .cse1 .cse10 .cse16) (and .cse12 .cse10) (and .cse17 .cse18 .cse10) (and .cse14 .cse0 .cse23 .cse6 .cse13) (and .cse5 .cse6 .cse25 .cse13 .cse8 .cse9) (and .cse10 .cse22) (and .cse27 .cse6 .cse13 .cse8) (and .cse10 .cse25) (and .cse10 .cse26) (and .cse17 .cse6 .cse22 .cse7 .cse8) (and .cse14 .cse1 .cse10) (and .cse24 .cse6 .cse13 .cse8) (and .cse12 .cse0 .cse3) (and .cse20 .cse10) (and .cse27 .cse10) (and .cse0 .cse20 .cse2) (and .cse4 .cse5 .cse6 .cse13 .cse8 .cse9) (and .cse0 .cse19 .cse2 .cse3) (and .cse17 .cse1 .cse6 .cse7 .cse8) (and .cse19 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse27 .cse6 .cse7 .cse8) (and .cse10 .cse23) (and .cse10 .cse13) (and .cse24 .cse6 .cse7 .cse8) (and .cse26 .cse6 .cse13 .cse8) (and .cse11 .cse5 .cse6 .cse7 .cse8 .cse9)))) [2021-10-13 07:57:44,244 INFO L857 garLoopResultBuilder]: For program point L558(lines 558 562) no Hoare annotation was computed. [2021-10-13 07:57:44,244 INFO L857 garLoopResultBuilder]: For program point L294(lines 294 298) no Hoare annotation was computed. [2021-10-13 07:57:44,244 INFO L857 garLoopResultBuilder]: For program point L294-2(lines 213 590) no Hoare annotation was computed. [2021-10-13 07:57:44,245 INFO L857 garLoopResultBuilder]: For program point L361(lines 361 388) no Hoare annotation was computed. [2021-10-13 07:57:44,245 INFO L857 garLoopResultBuilder]: For program point L361-1(lines 361 388) no Hoare annotation was computed. [2021-10-13 07:57:44,245 INFO L857 garLoopResultBuilder]: For program point L196(lines 196 598) no Hoare annotation was computed. [2021-10-13 07:57:44,245 INFO L857 garLoopResultBuilder]: For program point L163(lines 163 609) no Hoare annotation was computed. [2021-10-13 07:57:44,245 INFO L857 garLoopResultBuilder]: For program point L130(lines 130 620) no Hoare annotation was computed. [2021-10-13 07:57:44,245 INFO L857 garLoopResultBuilder]: For program point L362(lines 362 385) no Hoare annotation was computed. [2021-10-13 07:57:44,245 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-13 07:57:44,245 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 671) no Hoare annotation was computed. [2021-10-13 07:57:44,245 INFO L860 garLoopResultBuilder]: At program point L660(lines 102 661) the Hoare annotation is: true [2021-10-13 07:57:44,245 INFO L857 garLoopResultBuilder]: For program point L397(lines 397 428) no Hoare annotation was computed. [2021-10-13 07:57:44,246 INFO L857 garLoopResultBuilder]: For program point L199(lines 199 597) no Hoare annotation was computed. [2021-10-13 07:57:44,246 INFO L857 garLoopResultBuilder]: For program point L166(lines 166 608) no Hoare annotation was computed. [2021-10-13 07:57:44,246 INFO L857 garLoopResultBuilder]: For program point L133(lines 133 619) no Hoare annotation was computed. [2021-10-13 07:57:44,246 INFO L857 garLoopResultBuilder]: For program point L629(lines 629 657) no Hoare annotation was computed. [2021-10-13 07:57:44,246 INFO L857 garLoopResultBuilder]: For program point L398(lines 398 404) no Hoare annotation was computed. [2021-10-13 07:57:44,246 INFO L857 garLoopResultBuilder]: For program point L365(lines 365 384) no Hoare annotation was computed. [2021-10-13 07:57:44,246 INFO L857 garLoopResultBuilder]: For program point L233(lines 233 250) no Hoare annotation was computed. [2021-10-13 07:57:44,247 INFO L853 garLoopResultBuilder]: At program point L200(lines 196 598) the Hoare annotation is: (let ((.cse11 (bvadd (bvmul (_ bv2 32) ULTIMATE.start_ssl3_accept_~ag_Y~0) (bvmul (_ bv2 32) ULTIMATE.start_ssl3_accept_~ag_X~0)))) (let ((.cse13 (= (_ bv8448 32) .cse11))) (let ((.cse9 (or (not (= (_ bv8448 32) ULTIMATE.start_ssl3_accept_~s__state~0)) .cse13)) (.cse0 (not (= (_ bv8497 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= (_ bv4 32) ULTIMATE.start_ssl3_accept_~blastFlag~0))) (.cse2 (not (= (_ bv8465 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= (_ bv8464 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= (_ bv8466 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse5 (not (= (_ bv8481 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 (_ bv8496 32)))) (.cse6 (not (= (_ bv8480 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse7 (not (= (_ bv8496 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (= (_ bv2 32) ULTIMATE.start_ssl3_accept_~blastFlag~0)) (.cse12 (not (= (_ bv8497 32) ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 (_ bv0 32))) .cse8) (and .cse0 .cse2 .cse3 .cse4 .cse5 .cse9 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 (_ bv1 32)) .cse6 .cse7) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse9 .cse10 .cse6 (= .cse11 (_ bv8496 32)) .cse7 .cse8 .cse12) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse10 .cse13 .cse6 .cse7 .cse8 .cse12))))) [2021-10-13 07:57:44,247 INFO L853 garLoopResultBuilder]: At program point L167(lines 163 609) the Hoare annotation is: (let ((.cse11 (bvadd (bvmul (_ bv2 32) ULTIMATE.start_ssl3_accept_~ag_Y~0) (bvmul (_ bv2 32) ULTIMATE.start_ssl3_accept_~ag_X~0)))) (let ((.cse6 (= (_ bv8448 32) .cse11))) (let ((.cse0 (not (= (_ bv8497 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= (_ bv8465 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse2 (not (= (_ bv8464 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= (_ bv8466 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= (_ bv8481 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (or (not (= (_ bv8448 32) ULTIMATE.start_ssl3_accept_~s__state~0)) .cse6)) (.cse5 (= ULTIMATE.start_ssl3_accept_~s__hit~0 (_ bv0 32))) (.cse7 (not (= (_ bv8480 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (not (= (_ bv8496 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse9 (= (_ bv2 32) ULTIMATE.start_ssl3_accept_~blastFlag~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse10 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 (_ bv1 32)) .cse7 .cse8) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse10 .cse5 .cse7 (= .cse11 (_ bv8496 32)) .cse8 .cse9))))) [2021-10-13 07:57:44,247 INFO L857 garLoopResultBuilder]: For program point L233-2(lines 213 590) no Hoare annotation was computed. [2021-10-13 07:57:44,251 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 07:57:44,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 07:57:44 BoogieIcfgContainer [2021-10-13 07:57:44,343 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 07:57:44,344 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 07:57:44,344 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 07:57:44,344 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 07:57:44,345 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:54:01" (3/4) ... [2021-10-13 07:57:44,347 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-13 07:57:44,364 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-13 07:57:44,365 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-13 07:57:44,366 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 07:57:44,367 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 07:57:44,471 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/witness.graphml [2021-10-13 07:57:44,471 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 07:57:44,472 INFO L168 Benchmark]: Toolchain (without parser) took 224460.73 ms. Allocated memory was 67.1 MB in the beginning and 1.2 GB in the end (delta: 1.2 GB). Free memory was 46.2 MB in the beginning and 376.8 MB in the end (delta: -330.6 MB). Peak memory consumption was 845.5 MB. Max. memory is 16.1 GB. [2021-10-13 07:57:44,473 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 67.1 MB. Free memory is still 47.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:57:44,473 INFO L168 Benchmark]: CACSL2BoogieTranslator took 532.03 ms. Allocated memory is still 67.1 MB. Free memory was 46.0 MB in the beginning and 47.1 MB in the end (delta: -1.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-13 07:57:44,473 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.01 ms. Allocated memory is still 67.1 MB. Free memory was 47.1 MB in the beginning and 44.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 07:57:44,474 INFO L168 Benchmark]: Boogie Preprocessor took 72.47 ms. Allocated memory is still 67.1 MB. Free memory was 44.5 MB in the beginning and 42.3 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 07:57:44,474 INFO L168 Benchmark]: RCFGBuilder took 1104.68 ms. Allocated memory is still 67.1 MB. Free memory was 42.3 MB in the beginning and 37.7 MB in the end (delta: 4.6 MB). Peak memory consumption was 21.4 MB. Max. memory is 16.1 GB. [2021-10-13 07:57:44,474 INFO L168 Benchmark]: TraceAbstraction took 222549.74 ms. Allocated memory was 67.1 MB in the beginning and 1.2 GB in the end (delta: 1.2 GB). Free memory was 37.3 MB in the beginning and 392.5 MB in the end (delta: -355.2 MB). Peak memory consumption was 977.8 MB. Max. memory is 16.1 GB. [2021-10-13 07:57:44,475 INFO L168 Benchmark]: Witness Printer took 127.31 ms. Allocated memory is still 1.2 GB. Free memory was 391.4 MB in the beginning and 376.8 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-13 07:57:44,477 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 67.1 MB. Free memory is still 47.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 532.03 ms. Allocated memory is still 67.1 MB. Free memory was 46.0 MB in the beginning and 47.1 MB in the end (delta: -1.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 67.01 ms. Allocated memory is still 67.1 MB. Free memory was 47.1 MB in the beginning and 44.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 72.47 ms. Allocated memory is still 67.1 MB. Free memory was 44.5 MB in the beginning and 42.3 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1104.68 ms. Allocated memory is still 67.1 MB. Free memory was 42.3 MB in the beginning and 37.7 MB in the end (delta: 4.6 MB). Peak memory consumption was 21.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 222549.74 ms. Allocated memory was 67.1 MB in the beginning and 1.2 GB in the end (delta: 1.2 GB). Free memory was 37.3 MB in the beginning and 392.5 MB in the end (delta: -355.2 MB). Peak memory consumption was 977.8 MB. Max. memory is 16.1 GB. * Witness Printer took 127.31 ms. Allocated memory is still 1.2 GB. Free memory was 391.4 MB in the beginning and 376.8 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. 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 - PositiveResult [Line: 671]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 138 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 222377.0ms, OverallIterations: 24, TraceHistogramMax: 21, EmptinessCheckTime: 324.1ms, AutomataDifference: 12074.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 21253.6ms, InitialAbstractionConstructionTime: 17.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 5148 SDtfs, 3721 SDslu, 4778 SDs, 0 SdLazy, 4541 SolverSat, 657 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5908.3ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 27077 GetRequests, 27006 SyntacticMatches, 3 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 2 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1020.9ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=15126occurred in iteration=22, InterpolantAutomatonStates: 102, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 4789.2ms AutomataMinimizationTime, 24 MinimizatonAttempts, 9770 StatesRemovedByMinimization, 19 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 29 LocationsWithAnnotation, 29 PreInvPairs, 716 NumberOfFragments, 4576 HoareAnnotationTreeSize, 29 FomulaSimplifications, 157503 FormulaSimplificationTreeSizeReduction, 3987.3ms HoareSimplificationTime, 29 FomulaSimplificationsInter, 107447 FormulaSimplificationTreeSizeReductionInter, 17244.2ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 762.0ms SsaConstructionTime, 4002.7ms SatisfiabilityAnalysisTime, 76663.9ms InterpolantComputationTime, 13564 NumberOfCodeBlocks, 13564 NumberOfCodeBlocksAsserted, 41 NumberOfCheckSat, 27052 ConstructedInterpolants, 42 QuantifiedInterpolants, 57811 SizeOfPredicates, 37 NumberOfNonLiveVariables, 15755 ConjunctsInSsa, 105 ConjunctsInUnsatCore, 76 InterpolantComputations, 36 PerfectInterpolantSequences, 136548/140100 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: (((((((((((!(8497bv32 == s__state) && !(4bv32 == blastFlag)) && !(8465bv32 == s__state)) && !(8464bv32 == s__state)) && !(8466bv32 == s__state)) && !(8481bv32 == s__state)) && !(8480bv32 == s__state)) && !(8496bv32 == s__state)) && !(s__hit == 0bv32)) && 2bv32 == blastFlag) || ((((((((!(8497bv32 == s__state) && !(8465bv32 == s__state)) && !(8464bv32 == s__state)) && !(8466bv32 == s__state)) && !(8481bv32 == s__state)) && (!(8448bv32 == s__state) || 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)))) && blastFlag == 1bv32) && !(8480bv32 == s__state)) && !(8496bv32 == s__state))) || ((((((((((((!(8497bv32 == s__state) && !(4bv32 == blastFlag)) && !(8465bv32 == s__state)) && !(8464bv32 == s__state)) && !(8466bv32 == s__state)) && !(8481bv32 == s__state)) && (!(8448bv32 == s__state) || 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)))) && !(s__s3__tmp__next_state___0 == 8496bv32)) && !(8480bv32 == s__state)) && ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)) == 8496bv32) && !(8496bv32 == s__state)) && 2bv32 == blastFlag) && !(8497bv32 == s__s3__tmp__next_state___0))) || (((((((((((!(8497bv32 == s__state) && !(4bv32 == blastFlag)) && !(8465bv32 == s__state)) && !(8464bv32 == s__state)) && !(8466bv32 == s__state)) && !(8481bv32 == s__state)) && !(s__s3__tmp__next_state___0 == 8496bv32)) && 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X))) && !(8480bv32 == s__state)) && !(8496bv32 == s__state)) && 2bv32 == blastFlag) && !(8497bv32 == s__s3__tmp__next_state___0)) - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 211]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 397]: Loop Invariant Derived loop invariant: ((((((((((!(8497bv32 == s__state) && !(8465bv32 == s__state)) && !(8464bv32 == s__state)) && !(8466bv32 == s__state)) && !(8481bv32 == s__state)) && s__hit == 0bv32) && 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X))) && !(8480bv32 == s__state)) && !(8496bv32 == s__state)) && 2bv32 == blastFlag) || ((((((((!(8497bv32 == s__state) && !(8465bv32 == s__state)) && !(8464bv32 == s__state)) && !(8466bv32 == s__state)) && !(8481bv32 == s__state)) && (!(8448bv32 == s__state) || 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)))) && blastFlag == 1bv32) && !(8480bv32 == s__state)) && !(8496bv32 == s__state))) || ((((((((((!(8497bv32 == s__state) && !(8465bv32 == s__state)) && !(8464bv32 == s__state)) && !(8466bv32 == s__state)) && !(8481bv32 == s__state)) && (!(8448bv32 == s__state) || 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)))) && s__hit == 0bv32) && !(8480bv32 == s__state)) && ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)) == 8496bv32) && !(8496bv32 == s__state)) && 2bv32 == blastFlag) - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: (((((((((((((8576bv32 == s__s3__tmp__next_state___0 && !(8497bv32 == s__state)) && !(8465bv32 == s__state)) && !(8464bv32 == s__state)) && !(8466bv32 == s__state)) && !(8481bv32 == s__state)) && s__hit == 0bv32) && 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X))) && !(8480bv32 == s__state)) && !(8496bv32 == s__state)) && 2bv32 == blastFlag) || (((((((((((8576bv32 == s__s3__tmp__next_state___0 && !(8497bv32 == s__state)) && !(8465bv32 == s__state)) && !(8464bv32 == s__state)) && !(8466bv32 == s__state)) && !(8481bv32 == s__state)) && (!(8448bv32 == s__state) || 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)))) && s__hit == 0bv32) && !(8480bv32 == s__state)) && ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)) == 8496bv32) && !(8496bv32 == s__state)) && 2bv32 == blastFlag)) || (((((((((8576bv32 == s__s3__tmp__next_state___0 && !(8497bv32 == s__state)) && !(8465bv32 == s__state)) && !(8464bv32 == s__state)) && !(8466bv32 == s__state)) && !(8481bv32 == s__state)) && (!(8448bv32 == s__state) || 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)))) && blastFlag == 1bv32) && !(8480bv32 == s__state)) && !(8496bv32 == s__state))) || (((((!(8464bv32 == s__state) && !(8466bv32 == s__state)) && blastFlag == 1bv32) && ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)) == s__state) && !(8480bv32 == s__state)) && !(8496bv32 == s__state))) || ((((((((!(8497bv32 == s__state) && !(8465bv32 == s__state)) && !(8464bv32 == s__state)) && !(8466bv32 == s__state)) && !(8481bv32 == s__state)) && blastFlag == 1bv32) && 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X))) && !(8480bv32 == s__state)) && !(8496bv32 == s__state)) - InvariantResult [Line: 103]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((((((((((((((((((((!(4bv32 == blastFlag) && 8448bv32 == s__state) && s__s3__tmp__next_state___0 == 8640bv32) && !(s__hit == 0bv32)) || (((((8656bv32 == s__state && !(s__s3__tmp__next_state___0 == 8496bv32)) && s__hit == 0bv32) && ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)) == 8496bv32) && 2bv32 == blastFlag) && !(8497bv32 == s__s3__tmp__next_state___0))) || (blastFlag == 1bv32 && 8466bv32 == s__state)) || (((((8672bv32 == s__state && !(4bv32 == blastFlag)) && !(s__s3__tmp__next_state___0 == 8496bv32)) && s__hit == 0bv32) && 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X))) && !(8497bv32 == s__s3__tmp__next_state___0))) || ((((3bv32 == s__s3__tmp__next_state___0 && !(4bv32 == blastFlag)) && 8448bv32 == s__state) && s__hit == 0bv32) && ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)) == 8496bv32)) || ((8482bv32 == s__state && s__hit == 0bv32) && s__s3__tmp__next_state___0 == 8482bv32)) || ((((8576bv32 == s__s3__tmp__next_state___0 && 8576bv32 == s__state) && s__hit == 0bv32) && ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)) == 8496bv32) && 2bv32 == blastFlag)) || (((((8672bv32 == s__state && !(4bv32 == blastFlag)) && !(s__s3__tmp__next_state___0 == 8496bv32)) && s__hit == 0bv32) && ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)) == 8496bv32) && !(8497bv32 == s__s3__tmp__next_state___0))) || (8640bv32 == s__state && blastFlag == 1bv32)) || ((3bv32 == s__state && !(s__s3__tmp__next_state___0 == 8496bv32)) && s__hit == 0bv32)) || ((8448bv32 == s__state && s__hit == 0bv32) && s__s3__tmp__next_state___0 == 8482bv32)) || (((8512bv32 == s__state && s__hit == 0bv32) && ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)) == 8496bv32) && 2bv32 == blastFlag)) || ((8576bv32 == s__s3__tmp__next_state___0 && 8448bv32 == s__state) && blastFlag == 1bv32)) || (((((!(s__s3__tmp__next_state___0 == 8496bv32) && s__hit == 0bv32) && 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X))) && 8592bv32 == s__state) && 2bv32 == blastFlag) && !(8497bv32 == s__s3__tmp__next_state___0))) || ((((8576bv32 == s__s3__tmp__next_state___0 && 8576bv32 == s__state) && s__hit == 0bv32) && 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X))) && 2bv32 == blastFlag)) || ((8656bv32 == s__state && !(s__hit == 0bv32)) && 2bv32 == blastFlag)) || (((((~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)) == s__state && !(s__s3__tmp__next_state___0 == 8496bv32)) && s__hit == 0bv32) && ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)) == 8496bv32) && 2bv32 == blastFlag) && !(8497bv32 == s__s3__tmp__next_state___0))) || ((((8576bv32 == s__s3__tmp__next_state___0 && 8466bv32 == s__state) && s__hit == 0bv32) && 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X))) && 2bv32 == blastFlag)) || (8528bv32 == s__state && blastFlag == 1bv32)) || (((8512bv32 == s__state && s__hit == 0bv32) && 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X))) && 2bv32 == blastFlag)) || ((((8576bv32 == s__s3__tmp__next_state___0 && ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)) == s__state) && s__hit == 0bv32) && 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X))) && 2bv32 == blastFlag)) || ((8656bv32 == s__state && blastFlag == 1bv32) && s__hit == 0bv32)) || ((((8576bv32 == s__s3__tmp__next_state___0 && s__hit == 0bv32) && 8608bv32 == s__state) && ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)) == 8496bv32) && 2bv32 == blastFlag)) || (((((8640bv32 == s__state && !(s__s3__tmp__next_state___0 == 8496bv32)) && s__hit == 0bv32) && 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X))) && 2bv32 == blastFlag) && !(8497bv32 == s__s3__tmp__next_state___0))) || ((8482bv32 == s__state && blastFlag == 1bv32) && s__s3__tmp__next_state___0 == 8482bv32)) || (((8544bv32 == s__state && s__hit == 0bv32) && ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)) == 8496bv32) && 2bv32 == blastFlag)) || ((8448bv32 == s__state && blastFlag == 1bv32) && s__s3__tmp__next_state___0 == 8482bv32)) || (8672bv32 == s__state && blastFlag == 1bv32)) || ((8576bv32 == s__s3__tmp__next_state___0 && 8576bv32 == s__state) && blastFlag == 1bv32)) || ((((3bv32 == s__s3__tmp__next_state___0 && !(4bv32 == blastFlag)) && ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)) == s__state) && s__hit == 0bv32) && 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)))) || (((((!(s__s3__tmp__next_state___0 == 8496bv32) && s__hit == 0bv32) && 8608bv32 == s__state) && 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X))) && 2bv32 == blastFlag) && !(8497bv32 == s__s3__tmp__next_state___0))) || (blastFlag == 1bv32 && 8592bv32 == s__state)) || (((8560bv32 == s__state && s__hit == 0bv32) && 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X))) && 2bv32 == blastFlag)) || (blastFlag == 1bv32 && 8608bv32 == s__state)) || (blastFlag == 1bv32 && 8544bv32 == s__state)) || ((((8576bv32 == s__s3__tmp__next_state___0 && s__hit == 0bv32) && 8592bv32 == s__state) && ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)) == 8496bv32) && 2bv32 == blastFlag)) || ((3bv32 == s__s3__tmp__next_state___0 && 8448bv32 == s__state) && blastFlag == 1bv32)) || (((8528bv32 == s__state && s__hit == 0bv32) && 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X))) && 2bv32 == blastFlag)) || ((8672bv32 == s__state && !(4bv32 == blastFlag)) && !(s__hit == 0bv32))) || (3bv32 == s__state && blastFlag == 1bv32)) || (8560bv32 == s__state && blastFlag == 1bv32)) || ((!(4bv32 == blastFlag) && 3bv32 == s__state) && s__s3__tmp__next_state___0 == 8640bv32)) || (((((8656bv32 == s__state && !(s__s3__tmp__next_state___0 == 8496bv32)) && s__hit == 0bv32) && 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X))) && 2bv32 == blastFlag) && !(8497bv32 == s__s3__tmp__next_state___0))) || (((!(4bv32 == blastFlag) && 8640bv32 == s__state) && s__s3__tmp__next_state___0 == 8640bv32) && !(s__hit == 0bv32))) || ((((8576bv32 == s__s3__tmp__next_state___0 && 8448bv32 == s__state) && s__hit == 0bv32) && ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)) == 8496bv32) && 2bv32 == blastFlag)) || (((((8640bv32 == s__state && !(s__s3__tmp__next_state___0 == 8496bv32)) && s__hit == 0bv32) && ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)) == 8496bv32) && 2bv32 == blastFlag) && !(8497bv32 == s__s3__tmp__next_state___0))) || (((8560bv32 == s__state && s__hit == 0bv32) && ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)) == 8496bv32) && 2bv32 == blastFlag)) || (blastFlag == 1bv32 && ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)) == s__state)) || (blastFlag == 1bv32 && 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)))) || (((8528bv32 == s__state && s__hit == 0bv32) && ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)) == 8496bv32) && 2bv32 == blastFlag)) || (((8544bv32 == s__state && s__hit == 0bv32) && 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X))) && 2bv32 == blastFlag)) || (((((8466bv32 == s__state && !(s__s3__tmp__next_state___0 == 8496bv32)) && s__hit == 0bv32) && ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)) == 8496bv32) && 2bv32 == blastFlag) && !(8497bv32 == s__s3__tmp__next_state___0)) - InvariantResult [Line: 157]: Loop Invariant Derived loop invariant: ((((((((((!(8497bv32 == s__state) && !(8465bv32 == s__state)) && !(8464bv32 == s__state)) && !(8466bv32 == s__state)) && !(8481bv32 == s__state)) && s__hit == 0bv32) && 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X))) && !(8480bv32 == s__state)) && !(8496bv32 == s__state)) && 2bv32 == blastFlag) || ((((((((!(8497bv32 == s__state) && !(8465bv32 == s__state)) && !(8464bv32 == s__state)) && !(8466bv32 == s__state)) && !(8481bv32 == s__state)) && (!(8448bv32 == s__state) || 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)))) && blastFlag == 1bv32) && !(8480bv32 == s__state)) && !(8496bv32 == s__state))) || ((((((((((!(8497bv32 == s__state) && !(8465bv32 == s__state)) && !(8464bv32 == s__state)) && !(8466bv32 == s__state)) && !(8481bv32 == s__state)) && (!(8448bv32 == s__state) || 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)))) && s__hit == 0bv32) && !(8480bv32 == s__state)) && ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)) == 8496bv32) && !(8496bv32 == s__state)) && 2bv32 == blastFlag) - InvariantResult [Line: 151]: Loop Invariant Derived loop invariant: ((((((((((!(8497bv32 == s__state) && !(8465bv32 == s__state)) && !(8464bv32 == s__state)) && !(8466bv32 == s__state)) && !(8481bv32 == s__state)) && s__hit == 0bv32) && 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X))) && !(8480bv32 == s__state)) && !(8496bv32 == s__state)) && 2bv32 == blastFlag) || ((((((((!(8497bv32 == s__state) && !(8465bv32 == s__state)) && !(8464bv32 == s__state)) && !(8466bv32 == s__state)) && !(8481bv32 == s__state)) && (!(8448bv32 == s__state) || 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)))) && blastFlag == 1bv32) && !(8480bv32 == s__state)) && !(8496bv32 == s__state))) || ((((((((((!(8497bv32 == s__state) && !(8465bv32 == s__state)) && !(8464bv32 == s__state)) && !(8466bv32 == s__state)) && !(8481bv32 == s__state)) && (!(8448bv32 == s__state) || 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)))) && s__hit == 0bv32) && !(8480bv32 == s__state)) && ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)) == 8496bv32) && !(8496bv32 == s__state)) && 2bv32 == blastFlag) - InvariantResult [Line: 184]: Loop Invariant Derived loop invariant: ((((((!(s__s3__tmp__next_state___0 == 8496bv32) && s__hit == 0bv32) && 8608bv32 == s__state) && ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)) == 8496bv32) && 2bv32 == blastFlag) && !(8497bv32 == s__s3__tmp__next_state___0)) || ((((((((!(8497bv32 == s__state) && !(8465bv32 == s__state)) && !(8464bv32 == s__state)) && !(8466bv32 == s__state)) && !(8481bv32 == s__state)) && (!(8448bv32 == s__state) || 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)))) && blastFlag == 1bv32) && !(8480bv32 == s__state)) && !(8496bv32 == s__state))) || (((((((((((!(8497bv32 == s__state) && !(8465bv32 == s__state)) && !(8464bv32 == s__state)) && !(8466bv32 == s__state)) && !(8481bv32 == s__state)) && !(s__s3__tmp__next_state___0 == 8496bv32)) && s__hit == 0bv32) && 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X))) && !(8480bv32 == s__state)) && !(8496bv32 == s__state)) && 2bv32 == blastFlag) && !(8497bv32 == s__s3__tmp__next_state___0)) - InvariantResult [Line: 407]: Loop Invariant Derived loop invariant: ((((((((((!(8497bv32 == s__state) && !(8465bv32 == s__state)) && !(8464bv32 == s__state)) && !(8466bv32 == s__state)) && !(8481bv32 == s__state)) && s__hit == 0bv32) && 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X))) && !(8480bv32 == s__state)) && !(8496bv32 == s__state)) && 2bv32 == blastFlag) || ((((((((!(8497bv32 == s__state) && !(8465bv32 == s__state)) && !(8464bv32 == s__state)) && !(8466bv32 == s__state)) && !(8481bv32 == s__state)) && (!(8448bv32 == s__state) || 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)))) && blastFlag == 1bv32) && !(8480bv32 == s__state)) && !(8496bv32 == s__state))) || ((((((((((!(8497bv32 == s__state) && !(8465bv32 == s__state)) && !(8464bv32 == s__state)) && !(8466bv32 == s__state)) && !(8481bv32 == s__state)) && (!(8448bv32 == s__state) || 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)))) && s__hit == 0bv32) && !(8480bv32 == s__state)) && ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)) == 8496bv32) && !(8496bv32 == s__state)) && 2bv32 == blastFlag) - InvariantResult [Line: 121]: Loop Invariant Derived loop invariant: (((((((!(8497bv32 == s__state) && !(8465bv32 == s__state)) && !(8464bv32 == s__state)) && !(8466bv32 == s__state)) && (!(8448bv32 == s__state) || 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)))) && !(s__s3__tmp__next_state___0 == 8496bv32)) && s__hit == 0bv32) && !(8496bv32 == s__state)) || ((((((!(8497bv32 == s__state) && !(8465bv32 == s__state)) && !(8464bv32 == s__state)) && !(8466bv32 == s__state)) && (!(8448bv32 == s__state) || 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)))) && blastFlag == 1bv32) && !(8496bv32 == s__state)) - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: ((((((((((!(8497bv32 == s__state) && !(8465bv32 == s__state)) && !(8464bv32 == s__state)) && !(8466bv32 == s__state)) && !(8481bv32 == s__state)) && s__hit == 0bv32) && 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X))) && !(8480bv32 == s__state)) && !(8496bv32 == s__state)) && 2bv32 == blastFlag) || ((((((((!(8497bv32 == s__state) && !(8465bv32 == s__state)) && !(8464bv32 == s__state)) && !(8466bv32 == s__state)) && !(8481bv32 == s__state)) && (!(8448bv32 == s__state) || 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)))) && blastFlag == 1bv32) && !(8480bv32 == s__state)) && !(8496bv32 == s__state))) || ((((((((((!(8497bv32 == s__state) && !(8465bv32 == s__state)) && !(8464bv32 == s__state)) && !(8466bv32 == s__state)) && !(8481bv32 == s__state)) && (!(8448bv32 == s__state) || 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)))) && s__hit == 0bv32) && !(8480bv32 == s__state)) && ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)) == 8496bv32) && !(8496bv32 == s__state)) && 2bv32 == blastFlag) - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: ((((((((!(8497bv32 == s__state) && !(8465bv32 == s__state)) && !(8464bv32 == s__state)) && !(8466bv32 == s__state)) && !(8481bv32 == s__state)) && !(s__s3__tmp__next_state___0 == 8496bv32)) && s__hit == 0bv32) && !(8480bv32 == s__state)) && !(8496bv32 == s__state)) || (((((((!(8497bv32 == s__state) && !(8465bv32 == s__state)) && !(8464bv32 == s__state)) && !(8466bv32 == s__state)) && !(8481bv32 == s__state)) && blastFlag == 1bv32) && !(8480bv32 == s__state)) && !(8496bv32 == s__state)) - InvariantResult [Line: 106]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 145]: Loop Invariant Derived loop invariant: ((((((((((!(8497bv32 == s__state) && !(8465bv32 == s__state)) && !(8464bv32 == s__state)) && !(8466bv32 == s__state)) && !(8481bv32 == s__state)) && s__hit == 0bv32) && 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X))) && !(8480bv32 == s__state)) && !(8496bv32 == s__state)) && 2bv32 == blastFlag) || ((((((((!(8497bv32 == s__state) && !(8465bv32 == s__state)) && !(8464bv32 == s__state)) && !(8466bv32 == s__state)) && !(8481bv32 == s__state)) && (!(8448bv32 == s__state) || 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)))) && blastFlag == 1bv32) && !(8480bv32 == s__state)) && !(8496bv32 == s__state))) || ((((((((((!(8497bv32 == s__state) && !(8465bv32 == s__state)) && !(8464bv32 == s__state)) && !(8466bv32 == s__state)) && !(8481bv32 == s__state)) && (!(8448bv32 == s__state) || 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)))) && s__hit == 0bv32) && !(8480bv32 == s__state)) && ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)) == 8496bv32) && !(8496bv32 == s__state)) && 2bv32 == blastFlag) - InvariantResult [Line: 102]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 103]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((((((((((((((((((((((!(4bv32 == blastFlag) && 8448bv32 == s__state) && s__s3__tmp__next_state___0 == 8640bv32) && !(s__hit == 0bv32)) || (((((8656bv32 == s__state && !(s__s3__tmp__next_state___0 == 8496bv32)) && s__hit == 0bv32) && ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)) == 8496bv32) && 2bv32 == blastFlag) && !(8497bv32 == s__s3__tmp__next_state___0))) || (blastFlag == 1bv32 && 8466bv32 == s__state)) || (((((8672bv32 == s__state && !(4bv32 == blastFlag)) && !(s__s3__tmp__next_state___0 == 8496bv32)) && s__hit == 0bv32) && 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X))) && !(8497bv32 == s__s3__tmp__next_state___0))) || ((((3bv32 == s__s3__tmp__next_state___0 && !(4bv32 == blastFlag)) && 8448bv32 == s__state) && s__hit == 0bv32) && ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)) == 8496bv32)) || ((8482bv32 == s__state && s__hit == 0bv32) && s__s3__tmp__next_state___0 == 8482bv32)) || ((((8576bv32 == s__s3__tmp__next_state___0 && 8576bv32 == s__state) && s__hit == 0bv32) && ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)) == 8496bv32) && 2bv32 == blastFlag)) || (((((8672bv32 == s__state && !(4bv32 == blastFlag)) && !(s__s3__tmp__next_state___0 == 8496bv32)) && s__hit == 0bv32) && ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)) == 8496bv32) && !(8497bv32 == s__s3__tmp__next_state___0))) || (8640bv32 == s__state && blastFlag == 1bv32)) || ((3bv32 == s__state && !(s__s3__tmp__next_state___0 == 8496bv32)) && s__hit == 0bv32)) || ((8448bv32 == s__state && s__hit == 0bv32) && s__s3__tmp__next_state___0 == 8482bv32)) || (((8512bv32 == s__state && s__hit == 0bv32) && ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)) == 8496bv32) && 2bv32 == blastFlag)) || ((8576bv32 == s__s3__tmp__next_state___0 && 8448bv32 == s__state) && blastFlag == 1bv32)) || (((((!(s__s3__tmp__next_state___0 == 8496bv32) && s__hit == 0bv32) && 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X))) && 8592bv32 == s__state) && 2bv32 == blastFlag) && !(8497bv32 == s__s3__tmp__next_state___0))) || ((((8576bv32 == s__s3__tmp__next_state___0 && 8576bv32 == s__state) && s__hit == 0bv32) && 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X))) && 2bv32 == blastFlag)) || ((8656bv32 == s__state && !(s__hit == 0bv32)) && 2bv32 == blastFlag)) || (((((~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)) == s__state && !(s__s3__tmp__next_state___0 == 8496bv32)) && s__hit == 0bv32) && ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)) == 8496bv32) && 2bv32 == blastFlag) && !(8497bv32 == s__s3__tmp__next_state___0))) || ((((8576bv32 == s__s3__tmp__next_state___0 && 8466bv32 == s__state) && s__hit == 0bv32) && 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X))) && 2bv32 == blastFlag)) || (8528bv32 == s__state && blastFlag == 1bv32)) || (((8512bv32 == s__state && s__hit == 0bv32) && 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X))) && 2bv32 == blastFlag)) || ((((8576bv32 == s__s3__tmp__next_state___0 && ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)) == s__state) && s__hit == 0bv32) && 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X))) && 2bv32 == blastFlag)) || ((8656bv32 == s__state && blastFlag == 1bv32) && s__hit == 0bv32)) || ((((8576bv32 == s__s3__tmp__next_state___0 && s__hit == 0bv32) && 8608bv32 == s__state) && ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)) == 8496bv32) && 2bv32 == blastFlag)) || (((((8640bv32 == s__state && !(s__s3__tmp__next_state___0 == 8496bv32)) && s__hit == 0bv32) && 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X))) && 2bv32 == blastFlag) && !(8497bv32 == s__s3__tmp__next_state___0))) || ((8482bv32 == s__state && blastFlag == 1bv32) && s__s3__tmp__next_state___0 == 8482bv32)) || (((8544bv32 == s__state && s__hit == 0bv32) && ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)) == 8496bv32) && 2bv32 == blastFlag)) || ((8448bv32 == s__state && blastFlag == 1bv32) && s__s3__tmp__next_state___0 == 8482bv32)) || (8672bv32 == s__state && blastFlag == 1bv32)) || ((8576bv32 == s__s3__tmp__next_state___0 && 8576bv32 == s__state) && blastFlag == 1bv32)) || ((((3bv32 == s__s3__tmp__next_state___0 && !(4bv32 == blastFlag)) && ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)) == s__state) && s__hit == 0bv32) && 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)))) || (((((!(s__s3__tmp__next_state___0 == 8496bv32) && s__hit == 0bv32) && 8608bv32 == s__state) && 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X))) && 2bv32 == blastFlag) && !(8497bv32 == s__s3__tmp__next_state___0))) || (blastFlag == 1bv32 && 8592bv32 == s__state)) || (((8560bv32 == s__state && s__hit == 0bv32) && 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X))) && 2bv32 == blastFlag)) || (blastFlag == 1bv32 && 8608bv32 == s__state)) || (blastFlag == 1bv32 && 8544bv32 == s__state)) || ((((8576bv32 == s__s3__tmp__next_state___0 && s__hit == 0bv32) && 8592bv32 == s__state) && ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)) == 8496bv32) && 2bv32 == blastFlag)) || ((3bv32 == s__s3__tmp__next_state___0 && 8448bv32 == s__state) && blastFlag == 1bv32)) || (((8528bv32 == s__state && s__hit == 0bv32) && 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X))) && 2bv32 == blastFlag)) || ((8672bv32 == s__state && !(4bv32 == blastFlag)) && !(s__hit == 0bv32))) || (3bv32 == s__state && blastFlag == 1bv32)) || (8560bv32 == s__state && blastFlag == 1bv32)) || ((!(4bv32 == blastFlag) && 3bv32 == s__state) && s__s3__tmp__next_state___0 == 8640bv32)) || (((((8656bv32 == s__state && !(s__s3__tmp__next_state___0 == 8496bv32)) && s__hit == 0bv32) && 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X))) && 2bv32 == blastFlag) && !(8497bv32 == s__s3__tmp__next_state___0))) || (((!(4bv32 == blastFlag) && 8640bv32 == s__state) && s__s3__tmp__next_state___0 == 8640bv32) && !(s__hit == 0bv32))) || ((((8576bv32 == s__s3__tmp__next_state___0 && 8448bv32 == s__state) && s__hit == 0bv32) && ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)) == 8496bv32) && 2bv32 == blastFlag)) || (((((8640bv32 == s__state && !(s__s3__tmp__next_state___0 == 8496bv32)) && s__hit == 0bv32) && ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)) == 8496bv32) && 2bv32 == blastFlag) && !(8497bv32 == s__s3__tmp__next_state___0))) || (((8560bv32 == s__state && s__hit == 0bv32) && ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)) == 8496bv32) && 2bv32 == blastFlag)) || (blastFlag == 1bv32 && ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)) == s__state)) || (blastFlag == 1bv32 && 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)))) || (((8528bv32 == s__state && s__hit == 0bv32) && ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)) == 8496bv32) && 2bv32 == blastFlag)) || (8464bv32 == s__state && blastFlag == 0bv32)) || (((8544bv32 == s__state && s__hit == 0bv32) && 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X))) && 2bv32 == blastFlag)) || (((((8466bv32 == s__state && !(s__s3__tmp__next_state___0 == 8496bv32)) && s__hit == 0bv32) && ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)) == 8496bv32) && 2bv32 == blastFlag) && !(8497bv32 == s__s3__tmp__next_state___0)) - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: (((((((((((!(8497bv32 == s__state) && !(8481bv32 == s__state)) && (!(8448bv32 == s__state) || 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)))) && !(s__s3__tmp__next_state___0 == 8496bv32)) && s__hit == 0bv32) && !(8480bv32 == s__state)) && ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)) == 8496bv32) && !(8496bv32 == s__state)) && 2bv32 == blastFlag) && !(8497bv32 == s__s3__tmp__next_state___0)) || (((((((!(8497bv32 == s__state) && !(8465bv32 == s__state)) && blastFlag == 0bv32) && !(8466bv32 == s__state)) && !(8481bv32 == s__state)) && (!(8448bv32 == s__state) || 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)))) && !(8480bv32 == s__state)) && !(8496bv32 == s__state))) || (((((((8576bv32 == s__s3__tmp__next_state___0 && !(8497bv32 == s__state)) && !(8481bv32 == s__state)) && s__hit == 0bv32) && 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X))) && !(8480bv32 == s__state)) && !(8496bv32 == s__state)) && 2bv32 == blastFlag)) || (((((!(8497bv32 == s__state) && !(8481bv32 == s__state)) && (!(8448bv32 == s__state) || 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)))) && blastFlag == 1bv32) && !(8480bv32 == s__state)) && !(8496bv32 == s__state)) - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: (((((((((((!(8497bv32 == s__state) && !(4bv32 == blastFlag)) && !(8465bv32 == s__state)) && !(8464bv32 == s__state)) && !(8466bv32 == s__state)) && !(8481bv32 == s__state)) && s__s3__tmp__next_state___0 == 8640bv32) && !(8480bv32 == s__state)) && !(8496bv32 == s__state)) && !(s__hit == 0bv32)) || ((((((((((((!(8497bv32 == s__state) && !(8465bv32 == s__state)) && !(8464bv32 == s__state)) && !(8466bv32 == s__state)) && !(8481bv32 == s__state)) && (!(8448bv32 == s__state) || 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)))) && !(s__s3__tmp__next_state___0 == 8496bv32)) && s__hit == 0bv32) && !(8480bv32 == s__state)) && ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)) == 8496bv32) && !(8496bv32 == s__state)) && 2bv32 == blastFlag) && !(8497bv32 == s__s3__tmp__next_state___0))) || ((((((((!(8497bv32 == s__state) && !(8465bv32 == s__state)) && !(8464bv32 == s__state)) && !(8466bv32 == s__state)) && !(8481bv32 == s__state)) && (!(8448bv32 == s__state) || 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)))) && blastFlag == 1bv32) && !(8480bv32 == s__state)) && !(8496bv32 == s__state))) || (((((((((((!(8497bv32 == s__state) && !(8465bv32 == s__state)) && !(8464bv32 == s__state)) && !(8466bv32 == s__state)) && !(8481bv32 == s__state)) && !(s__s3__tmp__next_state___0 == 8496bv32)) && s__hit == 0bv32) && 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X))) && !(8480bv32 == s__state)) && !(8496bv32 == s__state)) && 2bv32 == blastFlag) && !(8497bv32 == s__s3__tmp__next_state___0)) - InvariantResult [Line: 139]: Loop Invariant Derived loop invariant: (((((((!(8465bv32 == s__state) && !(8464bv32 == s__state)) && !(8466bv32 == s__state)) && !(8481bv32 == s__state)) && blastFlag == 1bv32) && 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X))) && !(8480bv32 == s__state)) || (((((~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)) == s__state && !(s__s3__tmp__next_state___0 == 8496bv32)) && s__hit == 0bv32) && ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)) == 8496bv32) && 2bv32 == blastFlag) && !(8497bv32 == s__s3__tmp__next_state___0))) || (((((((!(8465bv32 == s__state) && !(8464bv32 == s__state)) && !(8466bv32 == s__state)) && !(8481bv32 == s__state)) && blastFlag == 1bv32) && ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)) == s__state) && !(8480bv32 == s__state)) && ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)) == 8496bv32) - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 355]: Loop Invariant Derived loop invariant: ((((((((((!(8497bv32 == s__state) && !(8465bv32 == s__state)) && !(8464bv32 == s__state)) && !(8466bv32 == s__state)) && !(8481bv32 == s__state)) && s__hit == 0bv32) && 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X))) && !(8480bv32 == s__state)) && !(8496bv32 == s__state)) && 2bv32 == blastFlag) || ((((((((!(8497bv32 == s__state) && !(8465bv32 == s__state)) && !(8464bv32 == s__state)) && !(8466bv32 == s__state)) && !(8481bv32 == s__state)) && (!(8448bv32 == s__state) || 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)))) && blastFlag == 1bv32) && !(8480bv32 == s__state)) && !(8496bv32 == s__state))) || ((((((((((!(8497bv32 == s__state) && !(8465bv32 == s__state)) && !(8464bv32 == s__state)) && !(8466bv32 == s__state)) && !(8481bv32 == s__state)) && (!(8448bv32 == s__state) || 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)))) && s__hit == 0bv32) && !(8480bv32 == s__state)) && ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)) == 8496bv32) && !(8496bv32 == s__state)) && 2bv32 == blastFlag) - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: (((((((((((!(4bv32 == blastFlag) && 8448bv32 == s__state) && s__s3__tmp__next_state___0 == 8640bv32) && !(s__hit == 0bv32)) || ((((3bv32 == s__s3__tmp__next_state___0 && !(4bv32 == blastFlag)) && 8448bv32 == s__state) && s__hit == 0bv32) && ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)) == 8496bv32)) || ((8448bv32 == s__state && s__hit == 0bv32) && s__s3__tmp__next_state___0 == 8482bv32)) || ((8576bv32 == s__s3__tmp__next_state___0 && 8448bv32 == s__state) && blastFlag == 1bv32)) || (((3bv32 == s__s3__tmp__next_state___0 && 8448bv32 == s__state) && blastFlag == 1bv32) && !(s__s3__tmp__next_state___0 == 8496bv32))) || ((((8576bv32 == s__s3__tmp__next_state___0 && ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)) == s__state) && s__hit == 0bv32) && 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X))) && 2bv32 == blastFlag)) || ((((3bv32 == s__s3__tmp__next_state___0 && !(4bv32 == blastFlag)) && ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)) == s__state) && s__hit == 0bv32) && 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)))) || (((8448bv32 == s__state && blastFlag == 1bv32) && !(s__s3__tmp__next_state___0 == 8496bv32)) && s__s3__tmp__next_state___0 == 8482bv32)) || ((((8576bv32 == s__s3__tmp__next_state___0 && 8448bv32 == s__state) && s__hit == 0bv32) && ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)) == 8496bv32) && 2bv32 == blastFlag)) || ((blastFlag == 1bv32 && ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)) == s__state) && 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X))) - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: ((((((((((((8576bv32 == s__s3__tmp__next_state___0 && !(8497bv32 == s__state)) && !(8465bv32 == s__state)) && !(8464bv32 == s__state)) && !(8466bv32 == s__state)) && !(8481bv32 == s__state)) && (!(8448bv32 == s__state) || 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)))) && s__hit == 0bv32) && !(8480bv32 == s__state)) && ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)) == 8496bv32) && !(8496bv32 == s__state)) && 2bv32 == blastFlag) || ((((((((!(8497bv32 == s__state) && !(8465bv32 == s__state)) && !(8464bv32 == s__state)) && !(8466bv32 == s__state)) && !(8481bv32 == s__state)) && (!(8448bv32 == s__state) || 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)))) && blastFlag == 1bv32) && !(8480bv32 == s__state)) && !(8496bv32 == s__state))) || (((((((((((!(8497bv32 == s__state) && !(8465bv32 == s__state)) && !(8464bv32 == s__state)) && !(8466bv32 == s__state)) && !(8481bv32 == s__state)) && !(s__s3__tmp__next_state___0 == 8496bv32)) && s__hit == 0bv32) && 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X))) && !(8480bv32 == s__state)) && !(8496bv32 == s__state)) && 2bv32 == blastFlag) && !(8497bv32 == s__s3__tmp__next_state___0)) - InvariantResult [Line: 202]: Loop Invariant Derived loop invariant: ((((((((((!(8497bv32 == s__state) && !(8465bv32 == s__state)) && !(8464bv32 == s__state)) && !(8466bv32 == s__state)) && !(8481bv32 == s__state)) && (!(8448bv32 == s__state) || 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)))) && blastFlag == 1bv32) && !(8480bv32 == s__state)) && !(8496bv32 == s__state)) || ((((((((((((!(8497bv32 == s__state) && !(4bv32 == blastFlag)) && !(8465bv32 == s__state)) && !(8464bv32 == s__state)) && !(8466bv32 == s__state)) && !(8481bv32 == s__state)) && (!(8448bv32 == s__state) || 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)))) && !(s__s3__tmp__next_state___0 == 8496bv32)) && s__hit == 0bv32) && !(8480bv32 == s__state)) && ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)) == 8496bv32) && !(8496bv32 == s__state)) && !(8497bv32 == s__s3__tmp__next_state___0))) || (((((((((((!(8497bv32 == s__state) && !(4bv32 == blastFlag)) && !(8465bv32 == s__state)) && !(8464bv32 == s__state)) && !(8466bv32 == s__state)) && !(8481bv32 == s__state)) && !(s__s3__tmp__next_state___0 == 8496bv32)) && s__hit == 0bv32) && 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X))) && !(8480bv32 == s__state)) && !(8496bv32 == s__state)) && !(8497bv32 == s__s3__tmp__next_state___0))) || ((((((((!(8497bv32 == s__state) && !(4bv32 == blastFlag)) && !(8465bv32 == s__state)) && !(8464bv32 == s__state)) && !(8466bv32 == s__state)) && !(8481bv32 == s__state)) && !(8480bv32 == s__state)) && !(8496bv32 == s__state)) && !(s__hit == 0bv32)) - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-13 07:57:44,585 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59e51ef-8702-4f9a-83a9-b525baafd5e9/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...