./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label04.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_22ecd691-1ab4-45cc-bd5c-18b66c7605be/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ecd691-1ab4-45cc-bd5c-18b66c7605be/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_22ecd691-1ab4-45cc-bd5c-18b66c7605be/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ecd691-1ab4-45cc-bd5c-18b66c7605be/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label04.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ecd691-1ab4-45cc-bd5c-18b66c7605be/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_22ecd691-1ab4-45cc-bd5c-18b66c7605be/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 bf908eb74c6f2bb544e29965e856760f507d63fb ........................................................................................................................................................................................................................................................................................................................................................ 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_22ecd691-1ab4-45cc-bd5c-18b66c7605be/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ecd691-1ab4-45cc-bd5c-18b66c7605be/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_22ecd691-1ab4-45cc-bd5c-18b66c7605be/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ecd691-1ab4-45cc-bd5c-18b66c7605be/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label04.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ecd691-1ab4-45cc-bd5c-18b66c7605be/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_22ecd691-1ab4-45cc-bd5c-18b66c7605be/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 bf908eb74c6f2bb544e29965e856760f507d63fb ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 07:14:31,163 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:14:31,166 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:14:31,220 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:14:31,221 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:14:31,223 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:14:31,226 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:14:31,229 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:14:31,232 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:14:31,233 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:14:31,235 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:14:31,237 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:14:31,237 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:14:31,239 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:14:31,242 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:14:31,244 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:14:31,245 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:14:31,247 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:14:31,250 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:14:31,253 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:14:31,256 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:14:31,258 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:14:31,260 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:14:31,261 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:14:31,270 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:14:31,271 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:14:31,271 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:14:31,273 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:14:31,274 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:14:31,275 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:14:31,276 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:14:31,277 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:14:31,279 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:14:31,281 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:14:31,282 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:14:31,283 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:14:31,285 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:14:31,285 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:14:31,286 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:14:31,287 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:14:31,289 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:14:31,290 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ecd691-1ab4-45cc-bd5c-18b66c7605be/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-13 07:14:31,337 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:14:31,337 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:14:31,338 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:14:31,339 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:14:31,339 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:14:31,339 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:14:31,339 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-13 07:14:31,340 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:14:31,340 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:14:31,340 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-13 07:14:31,341 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-13 07:14:31,341 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:14:31,342 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-13 07:14:31,342 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-13 07:14:31,350 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-13 07:14:31,351 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:14:31,351 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 07:14:31,351 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 07:14:31,352 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 07:14:31,352 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:14:31,352 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 07:14:31,352 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:14:31,352 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 07:14:31,353 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:14:31,353 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 07:14:31,354 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 07:14:31,354 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:14:31,354 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 07:14:31,355 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:14:31,358 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:14:31,358 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:14:31,358 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:14:31,359 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:14:31,359 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 07:14:31,359 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-13 07:14:31,360 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 07:14:31,362 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 07:14:31,362 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:14:31,363 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:14:31,363 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_22ecd691-1ab4-45cc-bd5c-18b66c7605be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ecd691-1ab4-45cc-bd5c-18b66c7605be/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bf908eb74c6f2bb544e29965e856760f507d63fb [2021-10-13 07:14:31,673 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:14:31,703 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:14:31,706 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:14:31,707 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:14:31,708 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:14:31,709 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ecd691-1ab4-45cc-bd5c-18b66c7605be/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/eca-rers2012/Problem11_label04.c [2021-10-13 07:14:31,778 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ecd691-1ab4-45cc-bd5c-18b66c7605be/bin/utaipan-q2qaUkNPG8/data/ac221c5ab/945ed9c79fff4b2c8cff5a1ac975f123/FLAGe24dbdc56 [2021-10-13 07:14:32,465 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:14:32,466 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ecd691-1ab4-45cc-bd5c-18b66c7605be/sv-benchmarks/c/eca-rers2012/Problem11_label04.c [2021-10-13 07:14:32,481 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ecd691-1ab4-45cc-bd5c-18b66c7605be/bin/utaipan-q2qaUkNPG8/data/ac221c5ab/945ed9c79fff4b2c8cff5a1ac975f123/FLAGe24dbdc56 [2021-10-13 07:14:32,647 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ecd691-1ab4-45cc-bd5c-18b66c7605be/bin/utaipan-q2qaUkNPG8/data/ac221c5ab/945ed9c79fff4b2c8cff5a1ac975f123 [2021-10-13 07:14:32,649 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:14:32,651 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:14:32,653 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:14:32,653 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:14:32,656 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:14:32,657 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:14:32" (1/1) ... [2021-10-13 07:14:32,658 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72ade049 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:14:32, skipping insertion in model container [2021-10-13 07:14:32,659 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:14:32" (1/1) ... [2021-10-13 07:14:32,669 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:14:32,748 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:14:33,045 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_22ecd691-1ab4-45cc-bd5c-18b66c7605be/sv-benchmarks/c/eca-rers2012/Problem11_label04.c[7746,7759] [2021-10-13 07:14:33,344 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:14:33,356 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 07:14:33,408 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_22ecd691-1ab4-45cc-bd5c-18b66c7605be/sv-benchmarks/c/eca-rers2012/Problem11_label04.c[7746,7759] [2021-10-13 07:14:33,546 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:14:33,564 INFO L208 MainTranslator]: Completed translation [2021-10-13 07:14:33,564 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:14:33 WrapperNode [2021-10-13 07:14:33,565 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:14:33,566 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 07:14:33,566 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 07:14:33,566 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 07:14:33,574 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:14:33" (1/1) ... [2021-10-13 07:14:33,602 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:14:33" (1/1) ... [2021-10-13 07:14:33,736 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 07:14:33,737 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 07:14:33,738 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 07:14:33,738 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 07:14:33,747 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:14:33" (1/1) ... [2021-10-13 07:14:33,747 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:14:33" (1/1) ... [2021-10-13 07:14:33,759 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:14:33" (1/1) ... [2021-10-13 07:14:33,760 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:14:33" (1/1) ... [2021-10-13 07:14:33,814 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:14:33" (1/1) ... [2021-10-13 07:14:33,843 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:14:33" (1/1) ... [2021-10-13 07:14:33,852 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:14:33" (1/1) ... [2021-10-13 07:14:33,905 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 07:14:33,906 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 07:14:33,906 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 07:14:33,906 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 07:14:33,907 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:14:33" (1/1) ... [2021-10-13 07:14:33,915 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:14:33,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ecd691-1ab4-45cc-bd5c-18b66c7605be/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 07:14:33,944 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ecd691-1ab4-45cc-bd5c-18b66c7605be/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 07:14:33,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ecd691-1ab4-45cc-bd5c-18b66c7605be/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 07:14:33,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 07:14:33,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 07:14:33,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 07:14:33,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 07:15:01,011 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 07:15:01,011 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-13 07:15:01,015 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:15:01 BoogieIcfgContainer [2021-10-13 07:15:01,015 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 07:15:01,018 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 07:15:01,018 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 07:15:01,031 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 07:15:01,038 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:14:32" (1/3) ... [2021-10-13 07:15:01,039 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bd2223f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:15:01, skipping insertion in model container [2021-10-13 07:15:01,039 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:14:33" (2/3) ... [2021-10-13 07:15:01,040 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bd2223f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:15:01, skipping insertion in model container [2021-10-13 07:15:01,040 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:15:01" (3/3) ... [2021-10-13 07:15:01,043 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label04.c [2021-10-13 07:15:01,050 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 07:15:01,051 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-13 07:15:01,131 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 07:15:01,144 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 07:15:01,144 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-13 07:15:01,163 INFO L276 IsEmpty]: Start isEmpty. Operand has 9 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 8 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:15:01,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-13 07:15:01,167 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:15:01,168 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-10-13 07:15:01,169 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:15:01,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:15:01,175 INFO L82 PathProgramCache]: Analyzing trace with hash 1190305320, now seen corresponding path program 1 times [2021-10-13 07:15:01,188 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 07:15:01,188 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149671302] [2021-10-13 07:15:01,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:15:01,190 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 07:15:01,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:15:01,423 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 07:15:01,424 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 07:15:01,424 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149671302] [2021-10-13 07:15:01,425 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [149671302] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 07:15:01,425 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:15:01,426 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 07:15:01,428 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472279083] [2021-10-13 07:15:01,434 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 07:15:01,434 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 07:15:01,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 07:15:01,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 07:15:01,454 INFO L87 Difference]: Start difference. First operand has 9 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 8 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:15:01,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:15:01,561 INFO L93 Difference]: Finished difference Result 23 states and 29 transitions. [2021-10-13 07:15:01,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 07:15:01,562 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 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 5 [2021-10-13 07:15:01,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:15:01,572 INFO L225 Difference]: With dead ends: 23 [2021-10-13 07:15:01,572 INFO L226 Difference]: Without dead ends: 11 [2021-10-13 07:15:01,575 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 07:15:01,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2021-10-13 07:15:01,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 10. [2021-10-13 07:15:01,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 9 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:15:01,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2021-10-13 07:15:01,606 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 10 transitions. Word has length 5 [2021-10-13 07:15:01,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:15:01,606 INFO L470 AbstractCegarLoop]: Abstraction has 10 states and 10 transitions. [2021-10-13 07:15:01,607 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:15:01,607 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2021-10-13 07:15:01,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-13 07:15:01,608 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:15:01,608 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1] [2021-10-13 07:15:01,608 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-13 07:15:01,609 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:15:01,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:15:01,610 INFO L82 PathProgramCache]: Analyzing trace with hash -2101533194, now seen corresponding path program 1 times [2021-10-13 07:15:01,610 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 07:15:01,610 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285836526] [2021-10-13 07:15:01,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:15:01,611 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 07:15:02,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:15:02,890 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:15:02,890 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 07:15:02,891 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285836526] [2021-10-13 07:15:02,891 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [285836526] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 07:15:02,891 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [520452331] [2021-10-13 07:15:02,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:15:02,892 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 07:15:02,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ecd691-1ab4-45cc-bd5c-18b66c7605be/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 07:15:02,899 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ecd691-1ab4-45cc-bd5c-18b66c7605be/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 07:15:02,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ecd691-1ab4-45cc-bd5c-18b66c7605be/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-13 07:15:03,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:15:03,050 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-13 07:15:03,060 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:15:09,312 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:15:09,313 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:15:23,283 WARN L207 SmtUtils]: Spent 11.98 s on a formula simplification. DAG size of input: 1472 DAG size of output: 1423 [2021-10-13 07:16:15,238 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: BigInteger out of long range [2021-10-13 07:16:15,238 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1595146461] [2021-10-13 07:16:15,269 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2021-10-13 07:16:15,270 INFO L166 IcfgInterpreter]: Building call graph [2021-10-13 07:16:15,276 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-10-13 07:16:15,284 INFO L176 IcfgInterpreter]: Starting interpretation [2021-10-13 07:16:15,284 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-10-13 07:16:15,326 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:16:15,328 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-13 07:16:15,329 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:16:15,330 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-10-13 07:16:15,331 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-13 07:16:15,332 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:16:15,333 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-10-13 07:16:15,335 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 158 [2021-10-13 07:16:15,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:16:15,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:16:15,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:16:15,394 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 07:16:15,395 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:16:15,397 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-10-13 07:16:15,401 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:16:15,402 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-10-13 07:16:15,403 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-13 07:16:15,405 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:16:15,451 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:16:15,455 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:16:15,457 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 158 [2021-10-13 07:16:15,458 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-10-13 07:16:15,459 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:155, output treesize:158 [2021-10-13 07:16:15,516 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ecd691-1ab4-45cc-bd5c-18b66c7605be/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-10-13 07:16:15,686 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ecd691-1ab4-45cc-bd5c-18b66c7605be/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 07:16:15,687 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_10| 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 07:16:15,691 INFO L168 Benchmark]: Toolchain (without parser) took 103038.99 ms. Allocated memory was 107.0 MB in the beginning and 2.7 GB in the end (delta: 2.6 GB). Free memory was 72.9 MB in the beginning and 1.9 GB in the end (delta: -1.8 GB). Peak memory consumption was 763.8 MB. Max. memory is 16.1 GB. [2021-10-13 07:16:15,691 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 107.0 MB. Free memory is still 59.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:16:15,692 INFO L168 Benchmark]: CACSL2BoogieTranslator took 912.30 ms. Allocated memory was 107.0 MB in the beginning and 130.0 MB in the end (delta: 23.1 MB). Free memory was 72.9 MB in the beginning and 71.1 MB in the end (delta: 1.8 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2021-10-13 07:16:15,693 INFO L168 Benchmark]: Boogie Procedure Inliner took 170.81 ms. Allocated memory is still 130.0 MB. Free memory was 71.1 MB in the beginning and 54.3 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-10-13 07:16:15,694 INFO L168 Benchmark]: Boogie Preprocessor took 167.78 ms. Allocated memory is still 130.0 MB. Free memory was 54.3 MB in the beginning and 92.1 MB in the end (delta: -37.8 MB). Peak memory consumption was 24.5 MB. Max. memory is 16.1 GB. [2021-10-13 07:16:15,695 INFO L168 Benchmark]: RCFGBuilder took 27109.56 ms. Allocated memory was 130.0 MB in the beginning and 1.8 GB in the end (delta: 1.7 GB). Free memory was 92.1 MB in the beginning and 1.6 GB in the end (delta: -1.5 GB). Peak memory consumption was 368.8 MB. Max. memory is 16.1 GB. [2021-10-13 07:16:15,696 INFO L168 Benchmark]: TraceAbstraction took 74671.46 ms. Allocated memory was 1.8 GB in the beginning and 2.7 GB in the end (delta: 843.1 MB). Free memory was 1.6 GB in the beginning and 1.9 GB in the end (delta: -278.9 MB). Peak memory consumption was 563.1 MB. Max. memory is 16.1 GB. [2021-10-13 07:16:15,701 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 107.0 MB. Free memory is still 59.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 912.30 ms. Allocated memory was 107.0 MB in the beginning and 130.0 MB in the end (delta: 23.1 MB). Free memory was 72.9 MB in the beginning and 71.1 MB in the end (delta: 1.8 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 170.81 ms. Allocated memory is still 130.0 MB. Free memory was 71.1 MB in the beginning and 54.3 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 167.78 ms. Allocated memory is still 130.0 MB. Free memory was 54.3 MB in the beginning and 92.1 MB in the end (delta: -37.8 MB). Peak memory consumption was 24.5 MB. Max. memory is 16.1 GB. * RCFGBuilder took 27109.56 ms. Allocated memory was 130.0 MB in the beginning and 1.8 GB in the end (delta: 1.7 GB). Free memory was 92.1 MB in the beginning and 1.6 GB in the end (delta: -1.5 GB). Peak memory consumption was 368.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 74671.46 ms. Allocated memory was 1.8 GB in the beginning and 2.7 GB in the end (delta: 843.1 MB). Free memory was 1.6 GB in the beginning and 1.9 GB in the end (delta: -278.9 MB). Peak memory consumption was 563.1 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_10| de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: No corresponding IProgramVar for |v_#valid_10|: 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 07:16:15,787 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ecd691-1ab4-45cc-bd5c-18b66c7605be/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 07:16:18,839 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:16:18,841 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:16:18,880 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:16:18,881 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:16:18,882 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:16:18,884 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:16:18,888 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:16:18,891 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:16:18,896 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:16:18,898 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:16:18,901 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:16:18,903 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:16:18,907 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:16:18,909 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:16:18,913 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:16:18,916 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:16:18,923 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:16:18,928 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:16:18,937 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:16:18,939 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:16:18,942 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:16:18,947 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:16:18,949 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:16:18,954 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:16:18,962 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:16:18,962 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:16:18,964 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:16:18,964 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:16:18,966 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:16:18,966 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:16:18,967 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:16:18,968 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:16:18,970 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:16:18,971 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:16:18,972 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:16:18,985 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:16:18,985 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:16:18,986 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:16:18,987 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:16:18,988 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:16:18,989 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ecd691-1ab4-45cc-bd5c-18b66c7605be/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-13 07:16:19,023 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:16:19,030 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:16:19,032 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:16:19,032 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:16:19,033 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:16:19,033 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:16:19,033 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:16:19,034 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:16:19,034 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:16:19,035 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:16:19,037 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 07:16:19,037 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 07:16:19,038 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:16:19,038 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 07:16:19,038 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:16:19,039 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 07:16:19,039 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:16:19,039 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 07:16:19,039 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 07:16:19,040 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 07:16:19,040 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 07:16:19,040 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:16:19,040 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 07:16:19,041 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:16:19,041 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 07:16:19,041 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:16:19,042 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:16:19,042 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:16:19,042 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:16:19,043 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 07:16:19,043 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-13 07:16:19,043 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 07:16:19,043 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 07:16:19,044 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:16:19,044 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:16:19,045 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_22ecd691-1ab4-45cc-bd5c-18b66c7605be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ecd691-1ab4-45cc-bd5c-18b66c7605be/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bf908eb74c6f2bb544e29965e856760f507d63fb [2021-10-13 07:16:19,643 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:16:19,678 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:16:19,684 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:16:19,685 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:16:19,687 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:16:19,688 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ecd691-1ab4-45cc-bd5c-18b66c7605be/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/eca-rers2012/Problem11_label04.c [2021-10-13 07:16:19,781 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ecd691-1ab4-45cc-bd5c-18b66c7605be/bin/utaipan-q2qaUkNPG8/data/2613ed1e2/656fd22845ed48dc9950eb6762d742e0/FLAG04eea3437 [2021-10-13 07:16:20,684 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:16:20,690 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ecd691-1ab4-45cc-bd5c-18b66c7605be/sv-benchmarks/c/eca-rers2012/Problem11_label04.c [2021-10-13 07:16:20,715 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ecd691-1ab4-45cc-bd5c-18b66c7605be/bin/utaipan-q2qaUkNPG8/data/2613ed1e2/656fd22845ed48dc9950eb6762d742e0/FLAG04eea3437 [2021-10-13 07:16:20,797 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ecd691-1ab4-45cc-bd5c-18b66c7605be/bin/utaipan-q2qaUkNPG8/data/2613ed1e2/656fd22845ed48dc9950eb6762d742e0 [2021-10-13 07:16:20,801 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:16:20,803 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:16:20,805 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:16:20,805 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:16:20,818 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:16:20,821 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:16:20" (1/1) ... [2021-10-13 07:16:20,823 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51fdb8b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:16:20, skipping insertion in model container [2021-10-13 07:16:20,824 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:16:20" (1/1) ... [2021-10-13 07:16:20,834 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:16:20,932 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:16:21,226 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_22ecd691-1ab4-45cc-bd5c-18b66c7605be/sv-benchmarks/c/eca-rers2012/Problem11_label04.c[7746,7759] [2021-10-13 07:16:21,741 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:16:21,754 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 07:16:21,808 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_22ecd691-1ab4-45cc-bd5c-18b66c7605be/sv-benchmarks/c/eca-rers2012/Problem11_label04.c[7746,7759] [2021-10-13 07:16:21,998 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:16:22,016 INFO L208 MainTranslator]: Completed translation [2021-10-13 07:16:22,017 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:16:22 WrapperNode [2021-10-13 07:16:22,017 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:16:22,018 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 07:16:22,019 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 07:16:22,019 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 07:16:22,027 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:16:22" (1/1) ... [2021-10-13 07:16:22,070 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:16:22" (1/1) ... [2021-10-13 07:16:22,156 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 07:16:22,157 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 07:16:22,157 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 07:16:22,157 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 07:16:22,199 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:16:22" (1/1) ... [2021-10-13 07:16:22,199 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:16:22" (1/1) ... [2021-10-13 07:16:22,208 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:16:22" (1/1) ... [2021-10-13 07:16:22,209 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:16:22" (1/1) ... [2021-10-13 07:16:22,271 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:16:22" (1/1) ... [2021-10-13 07:16:22,293 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:16:22" (1/1) ... [2021-10-13 07:16:22,301 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:16:22" (1/1) ... [2021-10-13 07:16:22,313 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 07:16:22,323 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 07:16:22,324 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 07:16:22,324 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 07:16:22,325 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:16:22" (1/1) ... [2021-10-13 07:16:22,333 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:16:22,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ecd691-1ab4-45cc-bd5c-18b66c7605be/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 07:16:22,364 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ecd691-1ab4-45cc-bd5c-18b66c7605be/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 07:16:22,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ecd691-1ab4-45cc-bd5c-18b66c7605be/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 07:16:22,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-13 07:16:22,433 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 07:16:22,433 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 07:16:22,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 07:16:31,432 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 07:16:31,433 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-13 07:16:31,436 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:16:31 BoogieIcfgContainer [2021-10-13 07:16:31,436 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 07:16:31,439 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 07:16:31,439 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 07:16:31,443 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 07:16:31,443 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:16:20" (1/3) ... [2021-10-13 07:16:31,444 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dd63cec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:16:31, skipping insertion in model container [2021-10-13 07:16:31,444 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:16:22" (2/3) ... [2021-10-13 07:16:31,445 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dd63cec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:16:31, skipping insertion in model container [2021-10-13 07:16:31,445 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:16:31" (3/3) ... [2021-10-13 07:16:31,447 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label04.c [2021-10-13 07:16:31,453 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 07:16:31,454 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-13 07:16:31,514 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 07:16:31,523 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 07:16:31,523 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-13 07:16:31,547 INFO L276 IsEmpty]: Start isEmpty. Operand has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:16:31,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-10-13 07:16:31,565 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:16:31,566 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:16:31,566 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:16:31,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:16:31,572 INFO L82 PathProgramCache]: Analyzing trace with hash -92557335, now seen corresponding path program 1 times [2021-10-13 07:16:31,589 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:16:31,589 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [796388451] [2021-10-13 07:16:31,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:16:31,591 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:16:31,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ecd691-1ab4-45cc-bd5c-18b66c7605be/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:16:31,594 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ecd691-1ab4-45cc-bd5c-18b66c7605be/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:16:31,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ecd691-1ab4-45cc-bd5c-18b66c7605be/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-13 07:16:31,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:16:31,711 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 07:16:31,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:16:32,087 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 07:16:32,088 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:16:32,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:16:32,392 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:16:32,392 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [796388451] [2021-10-13 07:16:32,393 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [796388451] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:16:32,393 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:16:32,393 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-13 07:16:32,395 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837565059] [2021-10-13 07:16:32,402 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 07:16:32,402 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:16:32,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 07:16:32,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:16:32,422 INFO L87 Difference]: Start difference. First operand has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 0 states have call successors, (0), 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 4 states, 4 states have (on average 26.25) internal successors, (105), 3 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:16:43,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:16:43,174 INFO L93 Difference]: Finished difference Result 968 states and 1740 transitions. [2021-10-13 07:16:43,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 07:16:43,181 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 26.25) internal successors, (105), 3 states have internal predecessors, (105), 0 states have call successors, (0), 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 07:16:43,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:16:43,200 INFO L225 Difference]: With dead ends: 968 [2021-10-13 07:16:43,200 INFO L226 Difference]: Without dead ends: 602 [2021-10-13 07:16:43,204 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 15.1ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:16:43,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 602 states. [2021-10-13 07:16:43,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 602 to 596. [2021-10-13 07:16:43,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 596 states, 595 states have (on average 1.3932773109243697) internal successors, (829), 595 states have internal predecessors, (829), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:16:43,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 596 states and 829 transitions. [2021-10-13 07:16:43,298 INFO L78 Accepts]: Start accepts. Automaton has 596 states and 829 transitions. Word has length 53 [2021-10-13 07:16:43,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:16:43,300 INFO L470 AbstractCegarLoop]: Abstraction has 596 states and 829 transitions. [2021-10-13 07:16:43,300 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.25) internal successors, (105), 3 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:16:43,300 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 829 transitions. [2021-10-13 07:16:43,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-10-13 07:16:43,310 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:16:43,311 INFO L512 BasicCegarLoop]: trace histogram [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, 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] [2021-10-13 07:16:43,322 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ecd691-1ab4-45cc-bd5c-18b66c7605be/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-13 07:16:43,514 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ecd691-1ab4-45cc-bd5c-18b66c7605be/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:16:43,515 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:16:43,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:16:43,516 INFO L82 PathProgramCache]: Analyzing trace with hash 1565859760, now seen corresponding path program 1 times [2021-10-13 07:16:43,517 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:16:43,517 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1079382774] [2021-10-13 07:16:43,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:16:43,517 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:16:43,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ecd691-1ab4-45cc-bd5c-18b66c7605be/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:16:43,518 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ecd691-1ab4-45cc-bd5c-18b66c7605be/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:16:43,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ecd691-1ab4-45cc-bd5c-18b66c7605be/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-13 07:16:43,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:16:43,693 INFO L263 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 07:16:43,697 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:16:44,223 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:16:44,223 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:16:44,725 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:16:44,726 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:16:44,726 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1079382774] [2021-10-13 07:16:44,726 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1079382774] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:16:44,726 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:16:44,727 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-13 07:16:44,727 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955298605] [2021-10-13 07:16:44,728 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 07:16:44,729 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:16:44,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 07:16:44,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:16:44,730 INFO L87 Difference]: Start difference. First operand 596 states and 829 transitions. Second operand has 4 states, 4 states have (on average 47.5) internal successors, (190), 3 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:16:57,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:16:57,395 INFO L93 Difference]: Finished difference Result 2315 states and 3231 transitions. [2021-10-13 07:16:57,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 07:16:57,402 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 47.5) internal successors, (190), 3 states have internal predecessors, (190), 0 states have call successors, (0), 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 121 [2021-10-13 07:16:57,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:16:57,414 INFO L225 Difference]: With dead ends: 2315 [2021-10-13 07:16:57,414 INFO L226 Difference]: Without dead ends: 1721 [2021-10-13 07:16:57,417 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 238 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.3ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:16:57,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1721 states. [2021-10-13 07:16:57,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1721 to 1705. [2021-10-13 07:16:57,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1705 states, 1704 states have (on average 1.3139671361502347) internal successors, (2239), 1704 states have internal predecessors, (2239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:16:57,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1705 states to 1705 states and 2239 transitions. [2021-10-13 07:16:57,480 INFO L78 Accepts]: Start accepts. Automaton has 1705 states and 2239 transitions. Word has length 121 [2021-10-13 07:16:57,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:16:57,481 INFO L470 AbstractCegarLoop]: Abstraction has 1705 states and 2239 transitions. [2021-10-13 07:16:57,482 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 47.5) internal successors, (190), 3 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:16:57,482 INFO L276 IsEmpty]: Start isEmpty. Operand 1705 states and 2239 transitions. [2021-10-13 07:16:57,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-10-13 07:16:57,488 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:16:57,488 INFO L512 BasicCegarLoop]: trace histogram [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, 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 07:16:57,503 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ecd691-1ab4-45cc-bd5c-18b66c7605be/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-13 07:16:57,698 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ecd691-1ab4-45cc-bd5c-18b66c7605be/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:16:57,699 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:16:57,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:16:57,703 INFO L82 PathProgramCache]: Analyzing trace with hash -1544863115, now seen corresponding path program 1 times [2021-10-13 07:16:57,705 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:16:57,706 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1210655542] [2021-10-13 07:16:57,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:16:57,707 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:16:57,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ecd691-1ab4-45cc-bd5c-18b66c7605be/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:16:57,708 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ecd691-1ab4-45cc-bd5c-18b66c7605be/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:16:57,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ecd691-1ab4-45cc-bd5c-18b66c7605be/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-13 07:16:57,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:16:57,951 INFO L263 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 07:16:57,955 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:16:58,432 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:16:58,432 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:16:58,915 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:16:58,915 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:16:58,916 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1210655542] [2021-10-13 07:16:58,916 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1210655542] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:16:58,916 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:16:58,916 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-13 07:16:58,916 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693433569] [2021-10-13 07:16:58,917 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 07:16:58,917 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:16:58,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 07:16:58,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:16:58,918 INFO L87 Difference]: Start difference. First operand 1705 states and 2239 transitions. Second operand has 4 states, 4 states have (on average 49.0) internal successors, (196), 3 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 07:17:20,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:17:20,735 INFO L93 Difference]: Finished difference Result 4701 states and 6398 transitions. [2021-10-13 07:17:20,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 07:17:20,743 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 49.0) internal successors, (196), 3 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 124 [2021-10-13 07:17:20,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:17:20,761 INFO L225 Difference]: With dead ends: 4701 [2021-10-13 07:17:20,761 INFO L226 Difference]: Without dead ends: 2998 [2021-10-13 07:17:20,764 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 244 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.5ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:17:20,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2998 states. [2021-10-13 07:17:20,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2998 to 2814. [2021-10-13 07:17:20,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2814 states, 2813 states have (on average 1.2328474937788838) internal successors, (3468), 2813 states have internal predecessors, (3468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:17:20,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2814 states to 2814 states and 3468 transitions. [2021-10-13 07:17:20,849 INFO L78 Accepts]: Start accepts. Automaton has 2814 states and 3468 transitions. Word has length 124 [2021-10-13 07:17:20,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:17:20,850 INFO L470 AbstractCegarLoop]: Abstraction has 2814 states and 3468 transitions. [2021-10-13 07:17:20,850 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 49.0) internal successors, (196), 3 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 07:17:20,850 INFO L276 IsEmpty]: Start isEmpty. Operand 2814 states and 3468 transitions. [2021-10-13 07:17:20,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2021-10-13 07:17:20,854 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:17:20,854 INFO L512 BasicCegarLoop]: trace histogram [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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:17:20,874 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ecd691-1ab4-45cc-bd5c-18b66c7605be/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-13 07:17:21,069 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ecd691-1ab4-45cc-bd5c-18b66c7605be/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:17:21,070 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:17:21,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:17:21,071 INFO L82 PathProgramCache]: Analyzing trace with hash 1719222741, now seen corresponding path program 1 times [2021-10-13 07:17:21,074 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:17:21,074 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [951517241] [2021-10-13 07:17:21,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:17:21,075 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:17:21,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ecd691-1ab4-45cc-bd5c-18b66c7605be/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:17:21,076 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ecd691-1ab4-45cc-bd5c-18b66c7605be/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:17:21,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ecd691-1ab4-45cc-bd5c-18b66c7605be/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-13 07:17:21,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:17:21,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-13 07:17:21,354 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:17:22,187 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:17:22,188 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:17:22,943 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:17:22,944 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:17:22,944 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [951517241] [2021-10-13 07:17:22,944 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [951517241] provided 1 perfect and 1 imperfect interpolant sequences [2021-10-13 07:17:22,944 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-13 07:17:22,944 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-10-13 07:17:22,945 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470681393] [2021-10-13 07:17:22,945 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 07:17:22,946 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:17:22,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 07:17:22,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-13 07:17:22,947 INFO L87 Difference]: Start difference. First operand 2814 states and 3468 transitions. Second operand has 3 states, 3 states have (on average 60.0) internal successors, (180), 3 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:17:44,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:17:44,699 INFO L93 Difference]: Finished difference Result 6916 states and 8688 transitions. [2021-10-13 07:17:44,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 07:17:44,700 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 60.0) internal successors, (180), 3 states have internal predecessors, (180), 0 states have call successors, (0), 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 180 [2021-10-13 07:17:44,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:17:44,722 INFO L225 Difference]: With dead ends: 6916 [2021-10-13 07:17:44,723 INFO L226 Difference]: Without dead ends: 4288 [2021-10-13 07:17:44,727 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 358 GetRequests, 355 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 26.0ms TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-13 07:17:44,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4288 states. [2021-10-13 07:17:44,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4288 to 4104. [2021-10-13 07:17:44,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4104 states, 4103 states have (on average 1.207652936875457) internal successors, (4955), 4103 states have internal predecessors, (4955), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:17:44,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4104 states to 4104 states and 4955 transitions. [2021-10-13 07:17:44,844 INFO L78 Accepts]: Start accepts. Automaton has 4104 states and 4955 transitions. Word has length 180 [2021-10-13 07:17:44,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:17:44,846 INFO L470 AbstractCegarLoop]: Abstraction has 4104 states and 4955 transitions. [2021-10-13 07:17:44,846 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.0) internal successors, (180), 3 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:17:44,846 INFO L276 IsEmpty]: Start isEmpty. Operand 4104 states and 4955 transitions. [2021-10-13 07:17:44,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2021-10-13 07:17:44,854 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:17:44,854 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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, 1, 1] [2021-10-13 07:17:44,874 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ecd691-1ab4-45cc-bd5c-18b66c7605be/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-13 07:17:45,067 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ecd691-1ab4-45cc-bd5c-18b66c7605be/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:17:45,068 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:17:45,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:17:45,070 INFO L82 PathProgramCache]: Analyzing trace with hash 1422286637, now seen corresponding path program 1 times [2021-10-13 07:17:45,072 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:17:45,072 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1186042475] [2021-10-13 07:17:45,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:17:45,073 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:17:45,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ecd691-1ab4-45cc-bd5c-18b66c7605be/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:17:45,074 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ecd691-1ab4-45cc-bd5c-18b66c7605be/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:17:45,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ecd691-1ab4-45cc-bd5c-18b66c7605be/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-13 07:17:45,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:17:45,528 INFO L263 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 07:17:45,531 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:17:47,973 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 101 proven. 68 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:17:47,973 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:17:52,320 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:17:52,320 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:17:52,320 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1186042475] [2021-10-13 07:17:52,320 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1186042475] provided 1 perfect and 1 imperfect interpolant sequences [2021-10-13 07:17:52,321 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-13 07:17:52,321 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-10-13 07:17:52,321 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325962611] [2021-10-13 07:17:52,322 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 07:17:52,322 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:17:52,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 07:17:52,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-13 07:17:52,323 INFO L87 Difference]: Start difference. First operand 4104 states and 4955 transitions. Second operand has 3 states, 3 states have (on average 78.0) internal successors, (234), 3 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:18:09,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:18:09,011 INFO L93 Difference]: Finished difference Result 8384 states and 10386 transitions. [2021-10-13 07:18:09,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 07:18:09,012 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 78.0) internal successors, (234), 3 states have internal predecessors, (234), 0 states have call successors, (0), 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 234 [2021-10-13 07:18:09,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:18:09,038 INFO L225 Difference]: With dead ends: 8384 [2021-10-13 07:18:09,038 INFO L226 Difference]: Without dead ends: 5576 [2021-10-13 07:18:09,042 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 466 GetRequests, 463 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 78.7ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-13 07:18:09,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5576 states. [2021-10-13 07:18:09,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5576 to 5576. [2021-10-13 07:18:09,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5576 states, 5575 states have (on average 1.2199103139013452) internal successors, (6801), 5575 states have internal predecessors, (6801), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:18:09,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5576 states to 5576 states and 6801 transitions. [2021-10-13 07:18:09,208 INFO L78 Accepts]: Start accepts. Automaton has 5576 states and 6801 transitions. Word has length 234 [2021-10-13 07:18:09,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:18:09,209 INFO L470 AbstractCegarLoop]: Abstraction has 5576 states and 6801 transitions. [2021-10-13 07:18:09,209 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 78.0) internal successors, (234), 3 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:18:09,209 INFO L276 IsEmpty]: Start isEmpty. Operand 5576 states and 6801 transitions. [2021-10-13 07:18:09,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2021-10-13 07:18:09,214 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:18:09,215 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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, 1, 1, 1, 1, 1] [2021-10-13 07:18:09,237 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ecd691-1ab4-45cc-bd5c-18b66c7605be/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-13 07:18:09,437 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ecd691-1ab4-45cc-bd5c-18b66c7605be/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:18:09,437 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:18:09,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:18:09,438 INFO L82 PathProgramCache]: Analyzing trace with hash 641356359, now seen corresponding path program 1 times [2021-10-13 07:18:09,440 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:18:09,440 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [744853543] [2021-10-13 07:18:09,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:18:09,441 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:18:09,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ecd691-1ab4-45cc-bd5c-18b66c7605be/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:18:09,442 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ecd691-1ab4-45cc-bd5c-18b66c7605be/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:18:09,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ecd691-1ab4-45cc-bd5c-18b66c7605be/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-13 07:18:10,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:18:10,120 INFO L263 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 07:18:10,123 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:18:10,794 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:18:10,794 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:18:11,872 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:18:11,873 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:18:11,873 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [744853543] [2021-10-13 07:18:11,873 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [744853543] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:18:11,873 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:18:11,873 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-13 07:18:11,874 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334460568] [2021-10-13 07:18:11,874 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 07:18:11,875 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:18:11,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 07:18:11,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:18:11,876 INFO L87 Difference]: Start difference. First operand 5576 states and 6801 transitions. Second operand has 4 states, 4 states have (on average 79.5) internal successors, (318), 4 states have internal predecessors, (318), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:18:23,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:18:23,535 INFO L93 Difference]: Finished difference Result 13560 states and 16557 transitions. [2021-10-13 07:18:23,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 07:18:23,536 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 79.5) internal successors, (318), 4 states have internal predecessors, (318), 0 states have call successors, (0), 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 241 [2021-10-13 07:18:23,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:18:23,573 INFO L225 Difference]: With dead ends: 13560 [2021-10-13 07:18:23,573 INFO L226 Difference]: Without dead ends: 8170 [2021-10-13 07:18:23,579 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 480 GetRequests, 478 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 39.8ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:18:23,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8170 states. [2021-10-13 07:18:23,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8170 to 7415. [2021-10-13 07:18:23,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7415 states, 7414 states have (on average 1.1891016994874561) internal successors, (8816), 7414 states have internal predecessors, (8816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:18:23,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7415 states to 7415 states and 8816 transitions. [2021-10-13 07:18:23,871 INFO L78 Accepts]: Start accepts. Automaton has 7415 states and 8816 transitions. Word has length 241 [2021-10-13 07:18:23,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:18:23,871 INFO L470 AbstractCegarLoop]: Abstraction has 7415 states and 8816 transitions. [2021-10-13 07:18:23,872 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 79.5) internal successors, (318), 4 states have internal predecessors, (318), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:18:23,872 INFO L276 IsEmpty]: Start isEmpty. Operand 7415 states and 8816 transitions. [2021-10-13 07:18:23,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2021-10-13 07:18:23,886 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:18:23,902 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:18:23,935 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ecd691-1ab4-45cc-bd5c-18b66c7605be/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-13 07:18:24,118 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ecd691-1ab4-45cc-bd5c-18b66c7605be/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:18:24,118 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:18:24,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:18:24,119 INFO L82 PathProgramCache]: Analyzing trace with hash 228686210, now seen corresponding path program 1 times [2021-10-13 07:18:24,120 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:18:24,121 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [35558849] [2021-10-13 07:18:24,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:18:24,121 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:18:24,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ecd691-1ab4-45cc-bd5c-18b66c7605be/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:18:24,122 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ecd691-1ab4-45cc-bd5c-18b66c7605be/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:18:24,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ecd691-1ab4-45cc-bd5c-18b66c7605be/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-13 07:18:25,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:18:25,026 INFO L263 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 07:18:25,029 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:18:25,683 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2021-10-13 07:18:25,683 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:18:26,254 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2021-10-13 07:18:26,254 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:18:26,255 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [35558849] [2021-10-13 07:18:26,255 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [35558849] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:18:26,255 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:18:26,255 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-13 07:18:26,256 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584405530] [2021-10-13 07:18:26,256 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 07:18:26,257 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:18:26,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 07:18:26,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 07:18:26,258 INFO L87 Difference]: Start difference. First operand 7415 states and 8816 transitions. Second operand has 3 states, 3 states have (on average 70.66666666666667) internal successors, (212), 3 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:18:31,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:18:31,274 INFO L93 Difference]: Finished difference Result 12793 states and 15341 transitions. [2021-10-13 07:18:31,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 07:18:31,275 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 70.66666666666667) internal successors, (212), 3 states have internal predecessors, (212), 0 states have call successors, (0), 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 335 [2021-10-13 07:18:31,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:18:31,307 INFO L225 Difference]: With dead ends: 12793 [2021-10-13 07:18:31,307 INFO L226 Difference]: Without dead ends: 7410 [2021-10-13 07:18:31,340 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 668 GetRequests, 667 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 07:18:31,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7410 states. [2021-10-13 07:18:31,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7410 to 7410. [2021-10-13 07:18:31,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7410 states, 7409 states have (on average 1.18855446079093) internal successors, (8806), 7409 states have internal predecessors, (8806), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:18:31,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7410 states to 7410 states and 8806 transitions. [2021-10-13 07:18:31,503 INFO L78 Accepts]: Start accepts. Automaton has 7410 states and 8806 transitions. Word has length 335 [2021-10-13 07:18:31,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:18:31,504 INFO L470 AbstractCegarLoop]: Abstraction has 7410 states and 8806 transitions. [2021-10-13 07:18:31,505 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 70.66666666666667) internal successors, (212), 3 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:18:31,505 INFO L276 IsEmpty]: Start isEmpty. Operand 7410 states and 8806 transitions. [2021-10-13 07:18:31,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2021-10-13 07:18:31,520 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:18:31,520 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2021-10-13 07:18:31,539 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ecd691-1ab4-45cc-bd5c-18b66c7605be/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-10-13 07:18:31,726 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ecd691-1ab4-45cc-bd5c-18b66c7605be/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:18:31,726 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:18:31,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:18:31,727 INFO L82 PathProgramCache]: Analyzing trace with hash -134941367, now seen corresponding path program 1 times [2021-10-13 07:18:31,729 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:18:31,730 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1182541704] [2021-10-13 07:18:31,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:18:31,730 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:18:31,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ecd691-1ab4-45cc-bd5c-18b66c7605be/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:18:31,734 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ecd691-1ab4-45cc-bd5c-18b66c7605be/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:18:31,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ecd691-1ab4-45cc-bd5c-18b66c7605be/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-10-13 07:18:32,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:18:32,779 INFO L263 TraceCheckSpWp]: Trace formula consists of 442 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-13 07:18:32,791 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:18:34,106 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 294 proven. 81 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2021-10-13 07:18:34,106 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:18:35,499 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 375 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2021-10-13 07:18:35,502 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:18:35,502 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1182541704] [2021-10-13 07:18:35,503 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1182541704] provided 1 perfect and 1 imperfect interpolant sequences [2021-10-13 07:18:35,506 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-13 07:18:35,506 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-10-13 07:18:35,506 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560089353] [2021-10-13 07:18:35,507 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 07:18:35,507 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:18:35,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 07:18:35,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-13 07:18:35,509 INFO L87 Difference]: Start difference. First operand 7410 states and 8806 transitions. Second operand has 3 states, 3 states have (on average 104.66666666666667) internal successors, (314), 3 states have internal predecessors, (314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:18:52,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:18:52,119 INFO L93 Difference]: Finished difference Result 16290 states and 19605 transitions. [2021-10-13 07:18:52,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 07:18:52,120 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 104.66666666666667) internal successors, (314), 3 states have internal predecessors, (314), 0 states have call successors, (0), 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 364 [2021-10-13 07:18:52,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:18:52,138 INFO L225 Difference]: With dead ends: 16290 [2021-10-13 07:18:52,138 INFO L226 Difference]: Without dead ends: 9066 [2021-10-13 07:18:52,143 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 726 GetRequests, 723 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 21.9ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-13 07:18:52,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9066 states. [2021-10-13 07:18:52,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9066 to 9066. [2021-10-13 07:18:52,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9066 states, 9065 states have (on average 1.1846662989520131) internal successors, (10739), 9065 states have internal predecessors, (10739), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:18:52,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9066 states to 9066 states and 10739 transitions. [2021-10-13 07:18:52,307 INFO L78 Accepts]: Start accepts. Automaton has 9066 states and 10739 transitions. Word has length 364 [2021-10-13 07:18:52,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:18:52,308 INFO L470 AbstractCegarLoop]: Abstraction has 9066 states and 10739 transitions. [2021-10-13 07:18:52,309 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 104.66666666666667) internal successors, (314), 3 states have internal predecessors, (314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:18:52,309 INFO L276 IsEmpty]: Start isEmpty. Operand 9066 states and 10739 transitions. [2021-10-13 07:18:52,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 374 [2021-10-13 07:18:52,360 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:18:52,360 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2021-10-13 07:18:52,383 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ecd691-1ab4-45cc-bd5c-18b66c7605be/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (9)] Ended with exit code 0 [2021-10-13 07:18:52,579 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ecd691-1ab4-45cc-bd5c-18b66c7605be/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:18:52,579 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:18:52,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:18:52,580 INFO L82 PathProgramCache]: Analyzing trace with hash -1010812687, now seen corresponding path program 1 times [2021-10-13 07:18:52,582 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:18:52,582 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1746147699] [2021-10-13 07:18:52,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:18:52,582 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:18:52,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ecd691-1ab4-45cc-bd5c-18b66c7605be/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:18:52,583 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ecd691-1ab4-45cc-bd5c-18b66c7605be/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:18:52,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ecd691-1ab4-45cc-bd5c-18b66c7605be/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-10-13 07:18:53,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:18:53,681 INFO L263 TraceCheckSpWp]: Trace formula consists of 448 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 07:18:53,684 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:18:54,647 INFO L134 CoverageAnalysis]: Checked inductivity of 419 backedges. 344 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2021-10-13 07:18:54,647 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:18:55,547 INFO L134 CoverageAnalysis]: Checked inductivity of 419 backedges. 344 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2021-10-13 07:18:55,548 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:18:55,548 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1746147699] [2021-10-13 07:18:55,548 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1746147699] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:18:55,548 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:18:55,549 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-13 07:18:55,549 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599727385] [2021-10-13 07:18:55,550 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 07:18:55,550 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:18:55,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 07:18:55,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 07:18:55,551 INFO L87 Difference]: Start difference. First operand 9066 states and 10739 transitions. Second operand has 3 states, 3 states have (on average 99.66666666666667) internal successors, (299), 3 states have internal predecessors, (299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:19:02,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:19:02,714 INFO L93 Difference]: Finished difference Result 18680 states and 22170 transitions. [2021-10-13 07:19:02,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 07:19:02,715 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 99.66666666666667) internal successors, (299), 3 states have internal predecessors, (299), 0 states have call successors, (0), 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 373 [2021-10-13 07:19:02,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:19:02,733 INFO L225 Difference]: With dead ends: 18680 [2021-10-13 07:19:02,733 INFO L226 Difference]: Without dead ends: 9800 [2021-10-13 07:19:02,741 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 744 GetRequests, 743 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 07:19:02,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9800 states. [2021-10-13 07:19:02,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9800 to 7775. [2021-10-13 07:19:02,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7775 states, 7774 states have (on average 1.1525598147671727) internal successors, (8960), 7774 states have internal predecessors, (8960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:19:02,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7775 states to 7775 states and 8960 transitions. [2021-10-13 07:19:02,973 INFO L78 Accepts]: Start accepts. Automaton has 7775 states and 8960 transitions. Word has length 373 [2021-10-13 07:19:02,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:19:02,973 INFO L470 AbstractCegarLoop]: Abstraction has 7775 states and 8960 transitions. [2021-10-13 07:19:02,974 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 99.66666666666667) internal successors, (299), 3 states have internal predecessors, (299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:19:02,974 INFO L276 IsEmpty]: Start isEmpty. Operand 7775 states and 8960 transitions. [2021-10-13 07:19:02,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375 [2021-10-13 07:19:02,987 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:19:02,988 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2021-10-13 07:19:03,008 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ecd691-1ab4-45cc-bd5c-18b66c7605be/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-10-13 07:19:03,205 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ecd691-1ab4-45cc-bd5c-18b66c7605be/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:19:03,205 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:19:03,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:19:03,206 INFO L82 PathProgramCache]: Analyzing trace with hash -184615536, now seen corresponding path program 1 times [2021-10-13 07:19:03,207 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:19:03,208 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [249380572] [2021-10-13 07:19:03,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:19:03,208 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:19:03,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ecd691-1ab4-45cc-bd5c-18b66c7605be/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:19:03,209 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ecd691-1ab4-45cc-bd5c-18b66c7605be/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:19:03,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ecd691-1ab4-45cc-bd5c-18b66c7605be/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-10-13 07:19:04,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:19:04,641 INFO L263 TraceCheckSpWp]: Trace formula consists of 452 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-13 07:19:04,644 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:19:06,209 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 152 proven. 198 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2021-10-13 07:19:06,209 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:19:15,716 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 152 proven. 198 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2021-10-13 07:19:15,716 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:19:15,716 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [249380572] [2021-10-13 07:19:15,716 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [249380572] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 07:19:15,717 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1138426630] [2021-10-13 07:19:15,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:19:15,717 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-13 07:19:15,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ecd691-1ab4-45cc-bd5c-18b66c7605be/bin/utaipan-q2qaUkNPG8/cvc4 [2021-10-13 07:19:15,719 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ecd691-1ab4-45cc-bd5c-18b66c7605be/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-13 07:19:15,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ecd691-1ab4-45cc-bd5c-18b66c7605be/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2021-10-13 07:19:17,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:19:17,673 INFO L263 TraceCheckSpWp]: Trace formula consists of 452 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-13 07:19:17,677 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:19:20,449 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 152 proven. 0 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2021-10-13 07:19:20,449 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:19:23,296 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 152 proven. 0 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2021-10-13 07:19:23,297 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1138426630] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:19:23,297 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-10-13 07:19:23,298 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [3, 3] total 12 [2021-10-13 07:19:23,298 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414918972] [2021-10-13 07:19:23,299 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-13 07:19:23,299 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:19:23,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-13 07:19:23,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2021-10-13 07:19:23,301 INFO L87 Difference]: Start difference. First operand 7775 states and 8960 transitions. Second operand has 8 states, 8 states have (on average 27.75) internal successors, (222), 8 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:19:45,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:19:45,670 INFO L93 Difference]: Finished difference Result 14450 states and 16575 transitions. [2021-10-13 07:19:45,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-13 07:19:45,672 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 27.75) internal successors, (222), 8 states have internal predecessors, (222), 0 states have call successors, (0), 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 374 [2021-10-13 07:19:45,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:19:45,672 INFO L225 Difference]: With dead ends: 14450 [2021-10-13 07:19:45,672 INFO L226 Difference]: Without dead ends: 0 [2021-10-13 07:19:45,680 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1494 GetRequests, 1483 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 626.5ms TimeCoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2021-10-13 07:19:45,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-13 07:19:45,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-13 07:19:45,681 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 07:19:45,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-13 07:19:45,681 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 374 [2021-10-13 07:19:45,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:19:45,681 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 07:19:45,682 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 27.75) internal successors, (222), 8 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:19:45,682 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-13 07:19:45,682 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-13 07:19:45,684 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 07:19:45,693 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ecd691-1ab4-45cc-bd5c-18b66c7605be/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2021-10-13 07:19:45,899 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ecd691-1ab4-45cc-bd5c-18b66c7605be/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-10-13 07:19:46,086 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ecd691-1ab4-45cc-bd5c-18b66c7605be/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ecd691-1ab4-45cc-bd5c-18b66c7605be/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:19:46,089 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-13 07:19:46,093 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:19:46,469 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:19:46,590 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:19:47,722 INFO L857 garLoopResultBuilder]: For program point L498(lines 498 509) no Hoare annotation was computed. [2021-10-13 07:19:47,723 INFO L857 garLoopResultBuilder]: For program point L432(lines 432 1034) no Hoare annotation was computed. [2021-10-13 07:19:47,723 INFO L857 garLoopResultBuilder]: For program point L498-2(lines 498 509) no Hoare annotation was computed. [2021-10-13 07:19:47,723 INFO L857 garLoopResultBuilder]: For program point L168-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 07:19:47,723 INFO L857 garLoopResultBuilder]: For program point L102-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 07:19:47,723 INFO L857 garLoopResultBuilder]: For program point L36-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 07:19:47,723 INFO L857 garLoopResultBuilder]: For program point L1027(lines 1027 1034) no Hoare annotation was computed. [2021-10-13 07:19:47,723 INFO L857 garLoopResultBuilder]: For program point L631(lines 631 1034) no Hoare annotation was computed. [2021-10-13 07:19:47,723 INFO L857 garLoopResultBuilder]: For program point L565(lines 565 1034) no Hoare annotation was computed. [2021-10-13 07:19:47,723 INFO L857 garLoopResultBuilder]: For program point L169(line 169) no Hoare annotation was computed. [2021-10-13 07:19:47,723 INFO L857 garLoopResultBuilder]: For program point L103(line 103) no Hoare annotation was computed. [2021-10-13 07:19:47,724 INFO L857 garLoopResultBuilder]: For program point L37(line 37) no Hoare annotation was computed. [2021-10-13 07:19:47,724 INFO L857 garLoopResultBuilder]: For program point L896(lines 896 1034) no Hoare annotation was computed. [2021-10-13 07:19:47,724 INFO L857 garLoopResultBuilder]: For program point L698(lines 698 1034) no Hoare annotation was computed. [2021-10-13 07:19:47,724 INFO L857 garLoopResultBuilder]: For program point L368(lines 368 1034) no Hoare annotation was computed. [2021-10-13 07:19:47,724 INFO L857 garLoopResultBuilder]: For program point L963(lines 963 1034) no Hoare annotation was computed. [2021-10-13 07:19:47,724 INFO L857 garLoopResultBuilder]: For program point L237(lines 237 1034) no Hoare annotation was computed. [2021-10-13 07:19:47,724 INFO L857 garLoopResultBuilder]: For program point L171-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 07:19:47,724 INFO L857 garLoopResultBuilder]: For program point L105-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 07:19:47,724 INFO L857 garLoopResultBuilder]: For program point L39-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 07:19:47,725 INFO L857 garLoopResultBuilder]: For program point L832(lines 832 1034) no Hoare annotation was computed. [2021-10-13 07:19:47,725 INFO L857 garLoopResultBuilder]: For program point L304(lines 304 1034) no Hoare annotation was computed. [2021-10-13 07:19:47,725 INFO L857 garLoopResultBuilder]: For program point L172(line 172) no Hoare annotation was computed. [2021-10-13 07:19:47,725 INFO L857 garLoopResultBuilder]: For program point L106(line 106) no Hoare annotation was computed. [2021-10-13 07:19:47,725 INFO L857 garLoopResultBuilder]: For program point L40(line 40) no Hoare annotation was computed. [2021-10-13 07:19:47,725 INFO L857 garLoopResultBuilder]: For program point L767(lines 767 1034) no Hoare annotation was computed. [2021-10-13 07:19:47,725 INFO L857 garLoopResultBuilder]: For program point L768(lines 768 778) no Hoare annotation was computed. [2021-10-13 07:19:47,725 INFO L857 garLoopResultBuilder]: For program point L768-2(lines 768 778) no Hoare annotation was computed. [2021-10-13 07:19:47,725 INFO L857 garLoopResultBuilder]: For program point L174-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 07:19:47,725 INFO L857 garLoopResultBuilder]: For program point L108-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 07:19:47,726 INFO L857 garLoopResultBuilder]: For program point L42-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 07:19:47,726 INFO L857 garLoopResultBuilder]: For program point L835(lines 835 1034) no Hoare annotation was computed. [2021-10-13 07:19:47,726 INFO L857 garLoopResultBuilder]: For program point L571(lines 571 1034) no Hoare annotation was computed. [2021-10-13 07:19:47,726 INFO L857 garLoopResultBuilder]: For program point L439(lines 439 1034) no Hoare annotation was computed. [2021-10-13 07:19:47,726 INFO L857 garLoopResultBuilder]: For program point L175(line 175) no Hoare annotation was computed. [2021-10-13 07:19:47,726 INFO L857 garLoopResultBuilder]: For program point L109(line 109) no Hoare annotation was computed. [2021-10-13 07:19:47,726 INFO L857 garLoopResultBuilder]: For program point L43(line 43) no Hoare annotation was computed. [2021-10-13 07:19:47,726 INFO L857 garLoopResultBuilder]: For program point L968(lines 968 1034) no Hoare annotation was computed. [2021-10-13 07:19:47,726 INFO L857 garLoopResultBuilder]: For program point L704(lines 704 1034) no Hoare annotation was computed. [2021-10-13 07:19:47,726 INFO L857 garLoopResultBuilder]: For program point L638(lines 638 1034) no Hoare annotation was computed. [2021-10-13 07:19:47,727 INFO L853 garLoopResultBuilder]: At program point L1035(lines 32 1036) the Hoare annotation is: (let ((.cse0 (bvslt (_ bv4294967253 32) ~a23~0)) (.cse2 (not (= ~a25~0 (_ bv9 32)))) (.cse4 (= ~a4~0 (_ bv1 32))) (.cse3 (not (= (_ bv13 32) ~a25~0))) (.cse1 (= ~a8~0 (_ bv15 32)))) (or (and (bvsge (_ bv138 32) ~a23~0) .cse0 .cse1 .cse2 (not (= (_ bv10 32) ~a25~0))) (and .cse1 .cse3 (not (bvsge (_ bv245 32) ~a29~0))) (and .cse0 .cse1 .cse4) (and .cse1 .cse2 .cse4) (and (not (bvslt (_ bv140 32) ~a29~0)) .cse1 .cse3) (and .cse1 (= ~a25~0 (_ bv12 32))))) [2021-10-13 07:19:47,727 INFO L857 garLoopResultBuilder]: For program point L903(lines 903 1034) no Hoare annotation was computed. [2021-10-13 07:19:47,727 INFO L857 garLoopResultBuilder]: For program point L705(lines 705 715) no Hoare annotation was computed. [2021-10-13 07:19:47,727 INFO L857 garLoopResultBuilder]: For program point L705-2(lines 705 715) no Hoare annotation was computed. [2021-10-13 07:19:47,727 INFO L857 garLoopResultBuilder]: For program point L375(lines 375 1034) no Hoare annotation was computed. [2021-10-13 07:19:47,727 INFO L857 garLoopResultBuilder]: For program point L309(lines 309 1034) no Hoare annotation was computed. [2021-10-13 07:19:47,727 INFO L857 garLoopResultBuilder]: For program point L243(lines 243 1034) no Hoare annotation was computed. [2021-10-13 07:19:47,727 INFO L857 garLoopResultBuilder]: For program point L177-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 07:19:47,727 INFO L857 garLoopResultBuilder]: For program point L111-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 07:19:47,728 INFO L857 garLoopResultBuilder]: For program point L45-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 07:19:47,728 INFO L857 garLoopResultBuilder]: For program point L178(line 178) no Hoare annotation was computed. [2021-10-13 07:19:47,728 INFO L857 garLoopResultBuilder]: For program point L112(line 112) no Hoare annotation was computed. [2021-10-13 07:19:47,728 INFO L857 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2021-10-13 07:19:47,728 INFO L860 garLoopResultBuilder]: At program point L1038(lines 1038 1054) the Hoare annotation is: true [2021-10-13 07:19:47,728 INFO L857 garLoopResultBuilder]: For program point L576(lines 576 1034) no Hoare annotation was computed. [2021-10-13 07:19:47,728 INFO L857 garLoopResultBuilder]: For program point L510(lines 510 1034) no Hoare annotation was computed. [2021-10-13 07:19:47,728 INFO L857 garLoopResultBuilder]: For program point L180-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 07:19:47,728 INFO L857 garLoopResultBuilder]: For program point L114-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 07:19:47,728 INFO L857 garLoopResultBuilder]: For program point L48-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 07:19:47,728 INFO L857 garLoopResultBuilder]: For program point L973(lines 973 1034) no Hoare annotation was computed. [2021-10-13 07:19:47,729 INFO L857 garLoopResultBuilder]: For program point L841(lines 841 1034) no Hoare annotation was computed. [2021-10-13 07:19:47,729 INFO L857 garLoopResultBuilder]: For program point L181(line 181) no Hoare annotation was computed. [2021-10-13 07:19:47,729 INFO L857 garLoopResultBuilder]: For program point L115(line 115) no Hoare annotation was computed. [2021-10-13 07:19:47,729 INFO L857 garLoopResultBuilder]: For program point L49(line 49) no Hoare annotation was computed. [2021-10-13 07:19:47,729 INFO L857 garLoopResultBuilder]: For program point L908(lines 908 1034) no Hoare annotation was computed. [2021-10-13 07:19:47,729 INFO L857 garLoopResultBuilder]: For program point L446(lines 446 1034) no Hoare annotation was computed. [2021-10-13 07:19:47,730 INFO L857 garLoopResultBuilder]: For program point L380(lines 380 1034) no Hoare annotation was computed. [2021-10-13 07:19:47,730 INFO L857 garLoopResultBuilder]: For program point L645(lines 645 1034) no Hoare annotation was computed. [2021-10-13 07:19:47,730 INFO L857 garLoopResultBuilder]: For program point L315(lines 315 1034) no Hoare annotation was computed. [2021-10-13 07:19:47,730 INFO L857 garLoopResultBuilder]: For program point L183-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 07:19:47,730 INFO L857 garLoopResultBuilder]: For program point L117-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 07:19:47,731 INFO L857 garLoopResultBuilder]: For program point L51-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 07:19:47,731 INFO L857 garLoopResultBuilder]: For program point L250(lines 250 1034) no Hoare annotation was computed. [2021-10-13 07:19:47,731 INFO L857 garLoopResultBuilder]: For program point L184(line 184) no Hoare annotation was computed. [2021-10-13 07:19:47,731 INFO L857 garLoopResultBuilder]: For program point L118(line 118) no Hoare annotation was computed. [2021-10-13 07:19:47,731 INFO L857 garLoopResultBuilder]: For program point L52(line 52) no Hoare annotation was computed. [2021-10-13 07:19:47,732 INFO L857 garLoopResultBuilder]: For program point L779(lines 779 1034) no Hoare annotation was computed. [2021-10-13 07:19:47,732 INFO L853 garLoopResultBuilder]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (let ((.cse0 (bvslt (_ bv4294967253 32) ~a23~0)) (.cse2 (not (= ~a25~0 (_ bv9 32)))) (.cse4 (= ~a4~0 (_ bv1 32))) (.cse3 (not (= (_ bv13 32) ~a25~0))) (.cse1 (= ~a8~0 (_ bv15 32)))) (or (and (bvsge (_ bv138 32) ~a23~0) .cse0 .cse1 .cse2 (not (= (_ bv10 32) ~a25~0))) (and .cse1 .cse3 (not (bvsge (_ bv245 32) ~a29~0))) (and .cse0 .cse1 .cse4) (and .cse1 .cse2 .cse4) (and (not (bvslt (_ bv140 32) ~a29~0)) .cse1 .cse3) (and .cse1 (= ~a25~0 (_ bv12 32))))) [2021-10-13 07:19:47,732 INFO L857 garLoopResultBuilder]: For program point L846(lines 846 1034) no Hoare annotation was computed. [2021-10-13 07:19:47,732 INFO L857 garLoopResultBuilder]: For program point L582(lines 582 1034) no Hoare annotation was computed. [2021-10-13 07:19:47,733 INFO L857 garLoopResultBuilder]: For program point L186-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 07:19:47,733 INFO L857 garLoopResultBuilder]: For program point L120-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 07:19:47,733 INFO L857 garLoopResultBuilder]: For program point L54-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 07:19:47,733 INFO L857 garLoopResultBuilder]: For program point L979(lines 979 1034) no Hoare annotation was computed. [2021-10-13 07:19:47,733 INFO L857 garLoopResultBuilder]: For program point L913(lines 913 1034) no Hoare annotation was computed. [2021-10-13 07:19:47,733 INFO L857 garLoopResultBuilder]: For program point L517(lines 517 1034) no Hoare annotation was computed. [2021-10-13 07:19:47,734 INFO L857 garLoopResultBuilder]: For program point L187(line 187) no Hoare annotation was computed. [2021-10-13 07:19:47,734 INFO L857 garLoopResultBuilder]: For program point L121(line 121) no Hoare annotation was computed. [2021-10-13 07:19:47,734 INFO L857 garLoopResultBuilder]: For program point L55(line 55) no Hoare annotation was computed. [2021-10-13 07:19:47,734 INFO L857 garLoopResultBuilder]: For program point L980(lines 980 990) no Hoare annotation was computed. [2021-10-13 07:19:47,734 INFO L857 garLoopResultBuilder]: For program point L914(lines 914 924) no Hoare annotation was computed. [2021-10-13 07:19:47,734 INFO L857 garLoopResultBuilder]: For program point L980-2(lines 980 990) no Hoare annotation was computed. [2021-10-13 07:19:47,735 INFO L857 garLoopResultBuilder]: For program point L914-2(lines 914 924) no Hoare annotation was computed. [2021-10-13 07:19:47,735 INFO L857 garLoopResultBuilder]: For program point L716(lines 716 1034) no Hoare annotation was computed. [2021-10-13 07:19:47,735 INFO L857 garLoopResultBuilder]: For program point L320(lines 320 1034) no Hoare annotation was computed. [2021-10-13 07:19:47,735 INFO L857 garLoopResultBuilder]: For program point L585(lines 585 1034) no Hoare annotation was computed. [2021-10-13 07:19:47,735 INFO L857 garLoopResultBuilder]: For program point L453(lines 453 1034) no Hoare annotation was computed. [2021-10-13 07:19:47,735 INFO L857 garLoopResultBuilder]: For program point L387(lines 387 1034) no Hoare annotation was computed. [2021-10-13 07:19:47,735 INFO L857 garLoopResultBuilder]: For program point L189-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 07:19:47,735 INFO L857 garLoopResultBuilder]: For program point L123-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 07:19:47,735 INFO L857 garLoopResultBuilder]: For program point L57-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 07:19:47,735 INFO L857 garLoopResultBuilder]: For program point L784(lines 784 1034) no Hoare annotation was computed. [2021-10-13 07:19:47,735 INFO L857 garLoopResultBuilder]: For program point L652(lines 652 1034) no Hoare annotation was computed. [2021-10-13 07:19:47,736 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-13 07:19:47,736 INFO L857 garLoopResultBuilder]: For program point L190(line 190) no Hoare annotation was computed. [2021-10-13 07:19:47,736 INFO L857 garLoopResultBuilder]: For program point L124(line 124) no Hoare annotation was computed. [2021-10-13 07:19:47,736 INFO L857 garLoopResultBuilder]: For program point L58(line 58) no Hoare annotation was computed. [2021-10-13 07:19:47,736 INFO L857 garLoopResultBuilder]: For program point L1049(line 1049) no Hoare annotation was computed. [2021-10-13 07:19:47,736 INFO L857 garLoopResultBuilder]: For program point L851(lines 851 1034) no Hoare annotation was computed. [2021-10-13 07:19:47,736 INFO L857 garLoopResultBuilder]: For program point L257(lines 257 1034) no Hoare annotation was computed. [2021-10-13 07:19:47,736 INFO L857 garLoopResultBuilder]: For program point L192-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 07:19:47,736 INFO L857 garLoopResultBuilder]: For program point L126-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 07:19:47,736 INFO L857 garLoopResultBuilder]: For program point L60-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 07:19:47,736 INFO L857 garLoopResultBuilder]: For program point L193(line 193) no Hoare annotation was computed. [2021-10-13 07:19:47,736 INFO L857 garLoopResultBuilder]: For program point L127(line 127) no Hoare annotation was computed. [2021-10-13 07:19:47,737 INFO L857 garLoopResultBuilder]: For program point L61(line 61) no Hoare annotation was computed. [2021-10-13 07:19:47,737 INFO L857 garLoopResultBuilder]: For program point L722(lines 722 1034) no Hoare annotation was computed. [2021-10-13 07:19:47,737 INFO L857 garLoopResultBuilder]: For program point L524(lines 524 1034) no Hoare annotation was computed. [2021-10-13 07:19:47,737 INFO L857 garLoopResultBuilder]: For program point L657(lines 657 1034) no Hoare annotation was computed. [2021-10-13 07:19:47,737 INFO L857 garLoopResultBuilder]: For program point L591(lines 591 1034) no Hoare annotation was computed. [2021-10-13 07:19:47,737 INFO L857 garLoopResultBuilder]: For program point L525(lines 525 535) no Hoare annotation was computed. [2021-10-13 07:19:47,737 INFO L857 garLoopResultBuilder]: For program point L525-2(lines 525 535) no Hoare annotation was computed. [2021-10-13 07:19:47,737 INFO L857 garLoopResultBuilder]: For program point L327(lines 327 1034) no Hoare annotation was computed. [2021-10-13 07:19:47,737 INFO L857 garLoopResultBuilder]: For program point L195-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 07:19:47,738 INFO L857 garLoopResultBuilder]: For program point L129-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 07:19:47,738 INFO L857 garLoopResultBuilder]: For program point L63-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 07:19:47,738 INFO L857 garLoopResultBuilder]: For program point L856(lines 856 1034) no Hoare annotation was computed. [2021-10-13 07:19:47,738 INFO L857 garLoopResultBuilder]: For program point L790(lines 790 1034) no Hoare annotation was computed. [2021-10-13 07:19:47,738 INFO L857 garLoopResultBuilder]: For program point L658(lines 658 667) no Hoare annotation was computed. [2021-10-13 07:19:47,738 INFO L857 garLoopResultBuilder]: For program point L658-2(lines 658 667) no Hoare annotation was computed. [2021-10-13 07:19:47,738 INFO L857 garLoopResultBuilder]: For program point L460(lines 460 1034) no Hoare annotation was computed. [2021-10-13 07:19:47,738 INFO L857 garLoopResultBuilder]: For program point L394(lines 394 1034) no Hoare annotation was computed. [2021-10-13 07:19:47,738 INFO L857 garLoopResultBuilder]: For program point L196(line 196) no Hoare annotation was computed. [2021-10-13 07:19:47,738 INFO L857 garLoopResultBuilder]: For program point L130(line 130) no Hoare annotation was computed. [2021-10-13 07:19:47,738 INFO L857 garLoopResultBuilder]: For program point L64(line 64) no Hoare annotation was computed. [2021-10-13 07:19:47,738 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-13 07:19:47,739 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 175) no Hoare annotation was computed. [2021-10-13 07:19:47,739 INFO L857 garLoopResultBuilder]: For program point L264(lines 264 1034) no Hoare annotation was computed. [2021-10-13 07:19:47,739 INFO L857 garLoopResultBuilder]: For program point L198-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 07:19:47,739 INFO L857 garLoopResultBuilder]: For program point L132-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 07:19:47,739 INFO L857 garLoopResultBuilder]: For program point L66-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 07:19:47,739 INFO L857 garLoopResultBuilder]: For program point L991(lines 991 1034) no Hoare annotation was computed. [2021-10-13 07:19:47,739 INFO L857 garLoopResultBuilder]: For program point L925(lines 925 1034) no Hoare annotation was computed. [2021-10-13 07:19:47,739 INFO L857 garLoopResultBuilder]: For program point L727(lines 727 1034) no Hoare annotation was computed. [2021-10-13 07:19:47,739 INFO L857 garLoopResultBuilder]: For program point L199(line 199) no Hoare annotation was computed. [2021-10-13 07:19:47,739 INFO L857 garLoopResultBuilder]: For program point L133(line 133) no Hoare annotation was computed. [2021-10-13 07:19:47,739 INFO L857 garLoopResultBuilder]: For program point L67(line 67) no Hoare annotation was computed. [2021-10-13 07:19:47,739 INFO L857 garLoopResultBuilder]: For program point L926(lines 926 936) no Hoare annotation was computed. [2021-10-13 07:19:47,740 INFO L857 garLoopResultBuilder]: For program point L926-2(lines 926 936) no Hoare annotation was computed. [2021-10-13 07:19:47,740 INFO L857 garLoopResultBuilder]: For program point L728(lines 728 740) no Hoare annotation was computed. [2021-10-13 07:19:47,740 INFO L857 garLoopResultBuilder]: For program point L728-2(lines 728 740) no Hoare annotation was computed. [2021-10-13 07:19:47,740 INFO L857 garLoopResultBuilder]: For program point L596(lines 596 1034) no Hoare annotation was computed. [2021-10-13 07:19:47,740 INFO L857 garLoopResultBuilder]: For program point L332(lines 332 1034) no Hoare annotation was computed. [2021-10-13 07:19:47,740 INFO L857 garLoopResultBuilder]: For program point L597(lines 597 607) no Hoare annotation was computed. [2021-10-13 07:19:47,741 INFO L857 garLoopResultBuilder]: For program point L597-2(lines 597 607) no Hoare annotation was computed. [2021-10-13 07:19:47,741 INFO L857 garLoopResultBuilder]: For program point L201-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 07:19:47,741 INFO L857 garLoopResultBuilder]: For program point L135-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 07:19:47,741 INFO L857 garLoopResultBuilder]: For program point L69-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 07:19:47,741 INFO L857 garLoopResultBuilder]: For program point L862(lines 862 1034) no Hoare annotation was computed. [2021-10-13 07:19:47,741 INFO L857 garLoopResultBuilder]: For program point L466(lines 466 1034) no Hoare annotation was computed. [2021-10-13 07:19:47,742 INFO L857 garLoopResultBuilder]: For program point L202(line 202) no Hoare annotation was computed. [2021-10-13 07:19:47,742 INFO L857 garLoopResultBuilder]: For program point L136(line 136) no Hoare annotation was computed. [2021-10-13 07:19:47,742 INFO L857 garLoopResultBuilder]: For program point L70(line 70) no Hoare annotation was computed. [2021-10-13 07:19:47,742 INFO L857 garLoopResultBuilder]: For program point L797(lines 797 1034) no Hoare annotation was computed. [2021-10-13 07:19:47,742 INFO L857 garLoopResultBuilder]: For program point L401(lines 401 1034) no Hoare annotation was computed. [2021-10-13 07:19:47,742 INFO L857 garLoopResultBuilder]: For program point L270(lines 270 1034) no Hoare annotation was computed. [2021-10-13 07:19:47,742 INFO L857 garLoopResultBuilder]: For program point L204-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 07:19:47,742 INFO L857 garLoopResultBuilder]: For program point L138-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 07:19:47,742 INFO L857 garLoopResultBuilder]: For program point L72-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 07:19:47,742 INFO L857 garLoopResultBuilder]: For program point L205(line 205) no Hoare annotation was computed. [2021-10-13 07:19:47,742 INFO L857 garLoopResultBuilder]: For program point L139(line 139) no Hoare annotation was computed. [2021-10-13 07:19:47,742 INFO L857 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2021-10-13 07:19:47,743 INFO L857 garLoopResultBuilder]: For program point L998(lines 998 1034) no Hoare annotation was computed. [2021-10-13 07:19:47,743 INFO L857 garLoopResultBuilder]: For program point L668(lines 668 1034) no Hoare annotation was computed. [2021-10-13 07:19:47,744 INFO L857 garLoopResultBuilder]: For program point L536(lines 536 1034) no Hoare annotation was computed. [2021-10-13 07:19:47,744 INFO L857 garLoopResultBuilder]: For program point L339(lines 339 1034) no Hoare annotation was computed. [2021-10-13 07:19:47,744 INFO L857 garLoopResultBuilder]: For program point L207-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 07:19:47,744 INFO L857 garLoopResultBuilder]: For program point L141-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 07:19:47,744 INFO L857 garLoopResultBuilder]: For program point L75-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 07:19:47,744 INFO L857 garLoopResultBuilder]: For program point L802(lines 802 1034) no Hoare annotation was computed. [2021-10-13 07:19:47,744 INFO L857 garLoopResultBuilder]: For program point L208(line 208) no Hoare annotation was computed. [2021-10-13 07:19:47,745 INFO L857 garLoopResultBuilder]: For program point L142(line 142) no Hoare annotation was computed. [2021-10-13 07:19:47,745 INFO L857 garLoopResultBuilder]: For program point L76(line 76) no Hoare annotation was computed. [2021-10-13 07:19:47,745 INFO L857 garLoopResultBuilder]: For program point L869(lines 869 1034) no Hoare annotation was computed. [2021-10-13 07:19:47,745 INFO L857 garLoopResultBuilder]: For program point L473(lines 473 1034) no Hoare annotation was computed. [2021-10-13 07:19:47,745 INFO L857 garLoopResultBuilder]: For program point L275(lines 275 1034) no Hoare annotation was computed. [2021-10-13 07:19:47,745 INFO L857 garLoopResultBuilder]: For program point L408(lines 408 1034) no Hoare annotation was computed. [2021-10-13 07:19:47,745 INFO L857 garLoopResultBuilder]: For program point L210-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 07:19:47,745 INFO L857 garLoopResultBuilder]: For program point L144-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 07:19:47,745 INFO L857 garLoopResultBuilder]: For program point L78-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 07:19:47,745 INFO L857 garLoopResultBuilder]: For program point L1003(lines 1003 1034) no Hoare annotation was computed. [2021-10-13 07:19:47,745 INFO L857 garLoopResultBuilder]: For program point L937(lines 937 1034) no Hoare annotation was computed. [2021-10-13 07:19:47,745 INFO L857 garLoopResultBuilder]: For program point L673(lines 673 1034) no Hoare annotation was computed. [2021-10-13 07:19:47,745 INFO L857 garLoopResultBuilder]: For program point L541(lines 541 1034) no Hoare annotation was computed. [2021-10-13 07:19:47,746 INFO L857 garLoopResultBuilder]: For program point L409(lines 409 420) no Hoare annotation was computed. [2021-10-13 07:19:47,746 INFO L857 garLoopResultBuilder]: For program point L409-2(lines 409 420) no Hoare annotation was computed. [2021-10-13 07:19:47,746 INFO L857 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2021-10-13 07:19:47,746 INFO L857 garLoopResultBuilder]: For program point L145(line 145) no Hoare annotation was computed. [2021-10-13 07:19:47,746 INFO L857 garLoopResultBuilder]: For program point L79(line 79) no Hoare annotation was computed. [2021-10-13 07:19:47,746 INFO L857 garLoopResultBuilder]: For program point L608(lines 608 1034) no Hoare annotation was computed. [2021-10-13 07:19:47,746 INFO L857 garLoopResultBuilder]: For program point L344(lines 344 1034) no Hoare annotation was computed. [2021-10-13 07:19:47,746 INFO L857 garLoopResultBuilder]: For program point L278(lines 278 1034) no Hoare annotation was computed. [2021-10-13 07:19:47,746 INFO L857 garLoopResultBuilder]: For program point L741(lines 741 1034) no Hoare annotation was computed. [2021-10-13 07:19:47,746 INFO L857 garLoopResultBuilder]: For program point L213-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 07:19:47,746 INFO L857 garLoopResultBuilder]: For program point L147-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 07:19:47,746 INFO L857 garLoopResultBuilder]: For program point L81-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 07:19:47,747 INFO L857 garLoopResultBuilder]: For program point L214(line 214) no Hoare annotation was computed. [2021-10-13 07:19:47,747 INFO L857 garLoopResultBuilder]: For program point L148(line 148) no Hoare annotation was computed. [2021-10-13 07:19:47,747 INFO L857 garLoopResultBuilder]: For program point L82(line 82) no Hoare annotation was computed. [2021-10-13 07:19:47,747 INFO L857 garLoopResultBuilder]: For program point L875(lines 875 1034) no Hoare annotation was computed. [2021-10-13 07:19:47,747 INFO L857 garLoopResultBuilder]: For program point L809(lines 809 1034) no Hoare annotation was computed. [2021-10-13 07:19:47,749 INFO L857 garLoopResultBuilder]: For program point L942(lines 942 1034) no Hoare annotation was computed. [2021-10-13 07:19:47,750 INFO L857 garLoopResultBuilder]: For program point L876(lines 876 885) no Hoare annotation was computed. [2021-10-13 07:19:47,750 INFO L857 garLoopResultBuilder]: For program point L876-2(lines 876 885) no Hoare annotation was computed. [2021-10-13 07:19:47,750 INFO L857 garLoopResultBuilder]: For program point L480(lines 480 1034) no Hoare annotation was computed. [2021-10-13 07:19:47,750 INFO L857 garLoopResultBuilder]: For program point L150-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 07:19:47,750 INFO L857 garLoopResultBuilder]: For program point L84-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 07:19:47,750 INFO L857 garLoopResultBuilder]: For program point L613(lines 613 1034) no Hoare annotation was computed. [2021-10-13 07:19:47,750 INFO L857 garLoopResultBuilder]: For program point L547(lines 547 1034) no Hoare annotation was computed. [2021-10-13 07:19:47,750 INFO L857 garLoopResultBuilder]: For program point L151(line 151) no Hoare annotation was computed. [2021-10-13 07:19:47,750 INFO L857 garLoopResultBuilder]: For program point L85(line 85) no Hoare annotation was computed. [2021-10-13 07:19:47,750 INFO L857 garLoopResultBuilder]: For program point L1010(lines 1010 1034) no Hoare annotation was computed. [2021-10-13 07:19:47,751 INFO L857 garLoopResultBuilder]: For program point L680(lines 680 1034) no Hoare annotation was computed. [2021-10-13 07:19:47,751 INFO L857 garLoopResultBuilder]: For program point L614(lines 614 624) no Hoare annotation was computed. [2021-10-13 07:19:47,751 INFO L857 garLoopResultBuilder]: For program point L614-2(lines 614 624) no Hoare annotation was computed. [2021-10-13 07:19:47,751 INFO L857 garLoopResultBuilder]: For program point L350(lines 350 1034) no Hoare annotation was computed. [2021-10-13 07:19:47,751 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-13 07:19:47,751 INFO L857 garLoopResultBuilder]: For program point L285(lines 285 1034) no Hoare annotation was computed. [2021-10-13 07:19:47,751 INFO L857 garLoopResultBuilder]: For program point L153-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 07:19:47,751 INFO L857 garLoopResultBuilder]: For program point L87-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 07:19:47,751 INFO L857 garLoopResultBuilder]: For program point L814(lines 814 1034) no Hoare annotation was computed. [2021-10-13 07:19:47,751 INFO L857 garLoopResultBuilder]: For program point L748(lines 748 1034) no Hoare annotation was computed. [2021-10-13 07:19:47,752 INFO L857 garLoopResultBuilder]: For program point L154(line 154) no Hoare annotation was computed. [2021-10-13 07:19:47,752 INFO L857 garLoopResultBuilder]: For program point L88(line 88) no Hoare annotation was computed. [2021-10-13 07:19:47,752 INFO L857 garLoopResultBuilder]: For program point L815(lines 815 825) no Hoare annotation was computed. [2021-10-13 07:19:47,752 INFO L857 garLoopResultBuilder]: For program point L815-2(lines 815 825) no Hoare annotation was computed. [2021-10-13 07:19:47,752 INFO L857 garLoopResultBuilder]: For program point L552(lines 552 1034) no Hoare annotation was computed. [2021-10-13 07:19:47,752 INFO L857 garLoopResultBuilder]: For program point L156-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 07:19:47,753 INFO L857 garLoopResultBuilder]: For program point L90-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 07:19:47,753 INFO L857 garLoopResultBuilder]: For program point L1015(lines 1015 1034) no Hoare annotation was computed. [2021-10-13 07:19:47,753 INFO L857 garLoopResultBuilder]: For program point L949(lines 949 1034) no Hoare annotation was computed. [2021-10-13 07:19:47,753 INFO L857 garLoopResultBuilder]: For program point L685(lines 685 1034) no Hoare annotation was computed. [2021-10-13 07:19:47,753 INFO L857 garLoopResultBuilder]: For program point L487(lines 487 1034) no Hoare annotation was computed. [2021-10-13 07:19:47,753 INFO L857 garLoopResultBuilder]: For program point L421(lines 421 1034) no Hoare annotation was computed. [2021-10-13 07:19:47,753 INFO L857 garLoopResultBuilder]: For program point L157(line 157) no Hoare annotation was computed. [2021-10-13 07:19:47,754 INFO L857 garLoopResultBuilder]: For program point L91(line 91) no Hoare annotation was computed. [2021-10-13 07:19:47,754 INFO L857 garLoopResultBuilder]: For program point L950(lines 950 962) no Hoare annotation was computed. [2021-10-13 07:19:47,754 INFO L857 garLoopResultBuilder]: For program point L950-2(lines 950 962) no Hoare annotation was computed. [2021-10-13 07:19:47,754 INFO L857 garLoopResultBuilder]: For program point L488(lines 488 496) no Hoare annotation was computed. [2021-10-13 07:19:47,754 INFO L857 garLoopResultBuilder]: For program point L488-2(lines 488 496) no Hoare annotation was computed. [2021-10-13 07:19:47,754 INFO L857 garLoopResultBuilder]: For program point L356(lines 356 1034) no Hoare annotation was computed. [2021-10-13 07:19:47,755 INFO L857 garLoopResultBuilder]: For program point L290(lines 290 1034) no Hoare annotation was computed. [2021-10-13 07:19:47,755 INFO L857 garLoopResultBuilder]: For program point L224(lines 224 1034) no Hoare annotation was computed. [2021-10-13 07:19:47,755 INFO L857 garLoopResultBuilder]: For program point L753(lines 753 1034) no Hoare annotation was computed. [2021-10-13 07:19:47,755 INFO L857 garLoopResultBuilder]: For program point L159-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 07:19:47,755 INFO L857 garLoopResultBuilder]: For program point L93-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 07:19:47,755 INFO L857 garLoopResultBuilder]: For program point L886(lines 886 1034) no Hoare annotation was computed. [2021-10-13 07:19:47,756 INFO L857 garLoopResultBuilder]: For program point L160(line 160) no Hoare annotation was computed. [2021-10-13 07:19:47,756 INFO L857 garLoopResultBuilder]: For program point L94(line 94) no Hoare annotation was computed. [2021-10-13 07:19:47,756 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-13 07:19:47,756 INFO L857 garLoopResultBuilder]: For program point L162-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 07:19:47,756 INFO L857 garLoopResultBuilder]: For program point L96-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 07:19:47,756 INFO L857 garLoopResultBuilder]: For program point L691(lines 691 1034) no Hoare annotation was computed. [2021-10-13 07:19:47,757 INFO L857 garLoopResultBuilder]: For program point L625(lines 625 1034) no Hoare annotation was computed. [2021-10-13 07:19:47,757 INFO L857 garLoopResultBuilder]: For program point L559(lines 559 1034) no Hoare annotation was computed. [2021-10-13 07:19:47,757 INFO L857 garLoopResultBuilder]: For program point L427(lines 427 1034) no Hoare annotation was computed. [2021-10-13 07:19:47,757 INFO L857 garLoopResultBuilder]: For program point L163(line 163) no Hoare annotation was computed. [2021-10-13 07:19:47,757 INFO L857 garLoopResultBuilder]: For program point L97(line 97) no Hoare annotation was computed. [2021-10-13 07:19:47,757 INFO L857 garLoopResultBuilder]: For program point L1022(lines 1022 1034) no Hoare annotation was computed. [2021-10-13 07:19:47,758 INFO L857 garLoopResultBuilder]: For program point L891(lines 891 1034) no Hoare annotation was computed. [2021-10-13 07:19:47,758 INFO L857 garLoopResultBuilder]: For program point L363(lines 363 1034) no Hoare annotation was computed. [2021-10-13 07:19:47,758 INFO L857 garLoopResultBuilder]: For program point L297(lines 297 1034) no Hoare annotation was computed. [2021-10-13 07:19:47,758 INFO L857 garLoopResultBuilder]: For program point L231(lines 231 1034) no Hoare annotation was computed. [2021-10-13 07:19:47,758 INFO L857 garLoopResultBuilder]: For program point L165-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 07:19:47,758 INFO L857 garLoopResultBuilder]: For program point L99-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 07:19:47,758 INFO L857 garLoopResultBuilder]: For program point L33(lines 33 35) no Hoare annotation was computed. [2021-10-13 07:19:47,758 INFO L857 garLoopResultBuilder]: For program point L33-2(lines 32 1036) no Hoare annotation was computed. [2021-10-13 07:19:47,758 INFO L857 garLoopResultBuilder]: For program point L826(lines 826 1034) no Hoare annotation was computed. [2021-10-13 07:19:47,758 INFO L857 garLoopResultBuilder]: For program point L760(lines 760 1034) no Hoare annotation was computed. [2021-10-13 07:19:47,758 INFO L857 garLoopResultBuilder]: For program point L166(line 166) no Hoare annotation was computed. [2021-10-13 07:19:47,759 INFO L857 garLoopResultBuilder]: For program point L100(line 100) no Hoare annotation was computed. [2021-10-13 07:19:47,759 INFO L857 garLoopResultBuilder]: For program point L34(line 34) no Hoare annotation was computed. [2021-10-13 07:19:47,759 INFO L857 garLoopResultBuilder]: For program point L497(lines 497 1034) no Hoare annotation was computed. [2021-10-13 07:19:47,762 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 07:19:47,779 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 07:19:47 BoogieIcfgContainer [2021-10-13 07:19:47,779 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 07:19:47,780 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 07:19:47,780 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 07:19:47,780 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 07:19:47,781 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:16:31" (3/4) ... [2021-10-13 07:19:47,784 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-13 07:19:47,812 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-13 07:19:47,814 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-13 07:19:47,816 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 07:19:47,818 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 07:19:48,010 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ecd691-1ab4-45cc-bd5c-18b66c7605be/bin/utaipan-q2qaUkNPG8/witness.graphml [2021-10-13 07:19:48,010 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 07:19:48,012 INFO L168 Benchmark]: Toolchain (without parser) took 207208.51 ms. Allocated memory was 69.2 MB in the beginning and 230.7 MB in the end (delta: 161.5 MB). Free memory was 50.6 MB in the beginning and 84.8 MB in the end (delta: -34.2 MB). Peak memory consumption was 126.4 MB. Max. memory is 16.1 GB. [2021-10-13 07:19:48,013 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 69.2 MB. Free memory is still 50.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:19:48,014 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1212.79 ms. Allocated memory is still 69.2 MB. Free memory was 50.4 MB in the beginning and 33.9 MB in the end (delta: 16.5 MB). Peak memory consumption was 24.0 MB. Max. memory is 16.1 GB. [2021-10-13 07:19:48,014 INFO L168 Benchmark]: Boogie Procedure Inliner took 138.06 ms. Allocated memory is still 69.2 MB. Free memory was 33.9 MB in the beginning and 25.2 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 07:19:48,015 INFO L168 Benchmark]: Boogie Preprocessor took 164.99 ms. Allocated memory was 69.2 MB in the beginning and 96.5 MB in the end (delta: 27.3 MB). Free memory was 25.2 MB in the beginning and 67.1 MB in the end (delta: -41.9 MB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. [2021-10-13 07:19:48,015 INFO L168 Benchmark]: RCFGBuilder took 9113.28 ms. Allocated memory is still 96.5 MB. Free memory was 67.1 MB in the beginning and 42.4 MB in the end (delta: 24.6 MB). Peak memory consumption was 39.4 MB. Max. memory is 16.1 GB. [2021-10-13 07:19:48,016 INFO L168 Benchmark]: TraceAbstraction took 196340.55 ms. Allocated memory was 96.5 MB in the beginning and 230.7 MB in the end (delta: 134.2 MB). Free memory was 41.8 MB in the beginning and 109.2 MB in the end (delta: -67.4 MB). Peak memory consumption was 126.8 MB. Max. memory is 16.1 GB. [2021-10-13 07:19:48,016 INFO L168 Benchmark]: Witness Printer took 230.88 ms. Allocated memory is still 230.7 MB. Free memory was 109.2 MB in the beginning and 84.8 MB in the end (delta: 24.4 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2021-10-13 07:19:48,019 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 69.2 MB. Free memory is still 50.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1212.79 ms. Allocated memory is still 69.2 MB. Free memory was 50.4 MB in the beginning and 33.9 MB in the end (delta: 16.5 MB). Peak memory consumption was 24.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 138.06 ms. Allocated memory is still 69.2 MB. Free memory was 33.9 MB in the beginning and 25.2 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 164.99 ms. Allocated memory was 69.2 MB in the beginning and 96.5 MB in the end (delta: 27.3 MB). Free memory was 25.2 MB in the beginning and 67.1 MB in the end (delta: -41.9 MB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. * RCFGBuilder took 9113.28 ms. Allocated memory is still 96.5 MB. Free memory was 67.1 MB in the beginning and 42.4 MB in the end (delta: 24.6 MB). Peak memory consumption was 39.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 196340.55 ms. Allocated memory was 96.5 MB in the beginning and 230.7 MB in the end (delta: 134.2 MB). Free memory was 41.8 MB in the beginning and 109.2 MB in the end (delta: -67.4 MB). Peak memory consumption was 126.8 MB. Max. memory is 16.1 GB. * Witness Printer took 230.88 ms. Allocated memory is still 230.7 MB. Free memory was 109.2 MB in the beginning and 84.8 MB in the end (delta: 24.4 MB). Peak memory consumption was 25.2 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: 175]: 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, 283 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 196250.6ms, OverallIterations: 10, TraceHistogramMax: 4, EmptinessCheckTime: 148.4ms, AutomataDifference: 146831.4ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 1635.1ms, InitialAbstractionConstructionTime: 17.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1288 SDtfs, 3234 SDslu, 261 SDs, 0 SdLazy, 7500 SolverSat, 1999 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 129581.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5526 GetRequests, 5496 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 840.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=9066occurred in iteration=8, InterpolantAutomatonStates: 38, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 1361.2ms AutomataMinimizationTime, 10 MinimizatonAttempts, 3170 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 108 NumberOfFragments, 143 HoareAnnotationTreeSize, 3 FomulaSimplifications, 8000 FormulaSimplificationTreeSizeReduction, 499.4ms HoareSimplificationTime, 3 FomulaSimplificationsInter, 2778 FormulaSimplificationTreeSizeReductionInter, 1127.4ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 231.7ms SsaConstructionTime, 1507.7ms SatisfiabilityAnalysisTime, 35433.9ms InterpolantComputationTime, 2773 NumberOfCodeBlocks, 2773 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 5524 ConstructedInterpolants, 0 QuantifiedInterpolants, 18025 SizeOfPredicates, 10 NumberOfNonLiveVariables, 3467 ConjunctsInSsa, 36 ConjunctsInUnsatCore, 22 InterpolantComputations, 17 PerfectInterpolantSequences, 4259/4854 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: 1044]: Loop Invariant Derived loop invariant: ((((((((~bvsge32(138bv32, a23) && ~bvslt32(4294967253bv32, a23)) && a8 == 15bv32) && !(a25 == 9bv32)) && !(10bv32 == a25)) || ((a8 == 15bv32 && !(13bv32 == a25)) && !~bvsge32(245bv32, a29))) || ((~bvslt32(4294967253bv32, a23) && a8 == 15bv32) && a4 == 1bv32)) || ((a8 == 15bv32 && !(a25 == 9bv32)) && a4 == 1bv32)) || ((!~bvslt32(140bv32, a29) && a8 == 15bv32) && !(13bv32 == a25))) || (a8 == 15bv32 && a25 == 12bv32) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: ((((((((~bvsge32(138bv32, a23) && ~bvslt32(4294967253bv32, a23)) && a8 == 15bv32) && !(a25 == 9bv32)) && !(10bv32 == a25)) || ((a8 == 15bv32 && !(13bv32 == a25)) && !~bvsge32(245bv32, a29))) || ((~bvslt32(4294967253bv32, a23) && a8 == 15bv32) && a4 == 1bv32)) || ((a8 == 15bv32 && !(a25 == 9bv32)) && a4 == 1bv32)) || ((!~bvslt32(140bv32, a29) && a8 == 15bv32) && !(13bv32 == a25))) || (a8 == 15bv32 && a25 == 12bv32) - InvariantResult [Line: 1038]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-10-13 07:19:48,105 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ecd691-1ab4-45cc-bd5c-18b66c7605be/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...