./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-sets/test_mutex_unbounded-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_12401902-da2e-46e5-a737-28e6b8322a98/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_12401902-da2e-46e5-a737-28e6b8322a98/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_12401902-da2e-46e5-a737-28e6b8322a98/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_12401902-da2e-46e5-a737-28e6b8322a98/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-sets/test_mutex_unbounded-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_12401902-da2e-46e5-a737-28e6b8322a98/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_12401902-da2e-46e5-a737-28e6b8322a98/bin/ukojak --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e3ea8c309f26ddc261b839eb63271ec1c2e4bd2b ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 16:20:33,643 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 16:20:33,645 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 16:20:33,677 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 16:20:33,677 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 16:20:33,679 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 16:20:33,681 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 16:20:33,684 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 16:20:33,687 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 16:20:33,688 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 16:20:33,689 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 16:20:33,691 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 16:20:33,691 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 16:20:33,693 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 16:20:33,694 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 16:20:33,696 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 16:20:33,697 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 16:20:33,698 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 16:20:33,701 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 16:20:33,704 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 16:20:33,706 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 16:20:33,708 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 16:20:33,710 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 16:20:33,711 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 16:20:33,715 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 16:20:33,715 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 16:20:33,716 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 16:20:33,717 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 16:20:33,718 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 16:20:33,719 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 16:20:33,720 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 16:20:33,721 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 16:20:33,722 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 16:20:33,723 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 16:20:33,725 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 16:20:33,725 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 16:20:33,726 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 16:20:33,727 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 16:20:33,728 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 16:20:33,729 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 16:20:33,730 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 16:20:33,731 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_12401902-da2e-46e5-a737-28e6b8322a98/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 16:20:33,760 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 16:20:33,761 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 16:20:33,762 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 16:20:33,762 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 16:20:33,763 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 16:20:33,763 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 16:20:33,764 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 16:20:33,764 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 16:20:33,765 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 16:20:33,765 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 16:20:33,765 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 16:20:33,766 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 16:20:33,766 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 16:20:33,766 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 16:20:33,766 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 16:20:33,767 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 16:20:33,767 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 16:20:33,767 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 16:20:33,767 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 16:20:33,768 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 16:20:33,768 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 16:20:33,768 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 16:20:33,768 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 16:20:33,769 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 16:20:33,769 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 16:20:33,769 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 16:20:33,769 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 16:20:33,770 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 16:20:33,770 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 16:20:33,770 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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-vcloud-master/worker/run_dir_12401902-da2e-46e5-a737-28e6b8322a98/bin/ukojak/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_12401902-da2e-46e5-a737-28e6b8322a98/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e3ea8c309f26ddc261b839eb63271ec1c2e4bd2b [2020-12-01 16:20:34,015 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 16:20:34,050 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 16:20:34,052 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 16:20:34,057 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 16:20:34,059 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 16:20:34,060 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_12401902-da2e-46e5-a737-28e6b8322a98/bin/ukojak/../../sv-benchmarks/c/ldv-sets/test_mutex_unbounded-2.i [2020-12-01 16:20:34,130 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_12401902-da2e-46e5-a737-28e6b8322a98/bin/ukojak/data/34ad9c2d7/d82e247b94934fde8262ea9574b57707/FLAG7563df1c0 [2020-12-01 16:20:34,679 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 16:20:34,682 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_12401902-da2e-46e5-a737-28e6b8322a98/sv-benchmarks/c/ldv-sets/test_mutex_unbounded-2.i [2020-12-01 16:20:34,705 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_12401902-da2e-46e5-a737-28e6b8322a98/bin/ukojak/data/34ad9c2d7/d82e247b94934fde8262ea9574b57707/FLAG7563df1c0 [2020-12-01 16:20:34,968 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_12401902-da2e-46e5-a737-28e6b8322a98/bin/ukojak/data/34ad9c2d7/d82e247b94934fde8262ea9574b57707 [2020-12-01 16:20:34,971 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 16:20:34,974 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 16:20:34,980 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 16:20:34,980 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 16:20:34,984 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 16:20:34,984 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:20:34" (1/1) ... [2020-12-01 16:20:34,992 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b494996 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:20:34, skipping insertion in model container [2020-12-01 16:20:34,992 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:20:34" (1/1) ... [2020-12-01 16:20:35,000 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 16:20:35,060 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 16:20:35,457 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:20:35,471 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 16:20:35,575 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:20:35,657 INFO L208 MainTranslator]: Completed translation [2020-12-01 16:20:35,658 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:20:35 WrapperNode [2020-12-01 16:20:35,658 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 16:20:35,659 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 16:20:35,659 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 16:20:35,660 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 16:20:35,668 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:20:35" (1/1) ... [2020-12-01 16:20:35,686 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:20:35" (1/1) ... [2020-12-01 16:20:35,719 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 16:20:35,720 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 16:20:35,720 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 16:20:35,720 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 16:20:35,728 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:20:35" (1/1) ... [2020-12-01 16:20:35,729 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:20:35" (1/1) ... [2020-12-01 16:20:35,734 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:20:35" (1/1) ... [2020-12-01 16:20:35,735 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:20:35" (1/1) ... [2020-12-01 16:20:35,748 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:20:35" (1/1) ... [2020-12-01 16:20:35,778 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:20:35" (1/1) ... [2020-12-01 16:20:35,781 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:20:35" (1/1) ... [2020-12-01 16:20:35,804 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 16:20:35,815 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 16:20:35,815 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 16:20:35,815 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 16:20:35,817 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:20:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12401902-da2e-46e5-a737-28e6b8322a98/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 16:20:35,893 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-12-01 16:20:35,894 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-12-01 16:20:35,894 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2020-12-01 16:20:35,895 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2020-12-01 16:20:35,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2020-12-01 16:20:35,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2020-12-01 16:20:35,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-01 16:20:35,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-12-01 16:20:35,896 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 16:20:35,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_in_set [2020-12-01 16:20:35,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_in_set [2020-12-01 16:20:35,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-12-01 16:20:35,896 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-01 16:20:35,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-12-01 16:20:35,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2020-12-01 16:20:35,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2020-12-01 16:20:35,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 16:20:35,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_successful_malloc [2020-12-01 16:20:35,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_successful_malloc [2020-12-01 16:20:35,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 16:20:35,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 16:20:36,652 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 16:20:36,653 INFO L298 CfgBuilder]: Removed 31 assume(true) statements. [2020-12-01 16:20:36,655 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:20:36 BoogieIcfgContainer [2020-12-01 16:20:36,655 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 16:20:36,656 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 16:20:36,656 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 16:20:36,667 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 16:20:36,667 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:20:36" (1/1) ... [2020-12-01 16:20:36,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:20:36,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:36,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 58 states and 76 transitions. [2020-12-01 16:20:36,729 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 76 transitions. [2020-12-01 16:20:36,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-01 16:20:36,733 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:36,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:36,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:20:37,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:37,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 57 states and 77 transitions. [2020-12-01 16:20:37,005 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 77 transitions. [2020-12-01 16:20:37,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 16:20:37,007 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:37,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:37,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:20:37,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:37,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 61 states and 82 transitions. [2020-12-01 16:20:37,185 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 82 transitions. [2020-12-01 16:20:37,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 16:20:37,187 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:37,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:37,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:20:37,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:37,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 64 states and 89 transitions. [2020-12-01 16:20:37,636 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 89 transitions. [2020-12-01 16:20:37,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 16:20:37,637 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:37,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:37,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:20:37,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:37,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 65 states and 90 transitions. [2020-12-01 16:20:37,893 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 90 transitions. [2020-12-01 16:20:37,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 16:20:37,895 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:37,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:38,375 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:20:39,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:39,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 72 states and 108 transitions. [2020-12-01 16:20:39,569 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 108 transitions. [2020-12-01 16:20:39,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 16:20:39,571 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:39,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:39,650 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:20:40,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:40,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 74 states and 113 transitions. [2020-12-01 16:20:40,124 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 113 transitions. [2020-12-01 16:20:40,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 16:20:40,126 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:40,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:41,462 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2020-12-01 16:20:42,003 WARN L197 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2020-12-01 16:20:42,344 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:20:44,983 WARN L197 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2020-12-01 16:20:46,011 WARN L197 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2020-12-01 16:20:46,710 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-12-01 16:20:47,456 WARN L197 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-12-01 16:20:47,799 WARN L197 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-12-01 16:20:48,380 WARN L197 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2020-12-01 16:20:48,781 WARN L197 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-12-01 16:20:49,352 WARN L197 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2020-12-01 16:20:50,110 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2020-12-01 16:20:51,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:51,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 84 states and 142 transitions. [2020-12-01 16:20:51,430 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 142 transitions. [2020-12-01 16:20:51,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 16:20:51,432 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:51,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:51,680 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:20:52,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:52,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 86 states and 146 transitions. [2020-12-01 16:20:52,466 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 146 transitions. [2020-12-01 16:20:52,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-01 16:20:52,468 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:52,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:53,837 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:20:55,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:55,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 89 states and 158 transitions. [2020-12-01 16:20:55,763 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 158 transitions. [2020-12-01 16:20:55,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-01 16:20:55,765 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:55,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:57,008 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 16:20:58,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:58,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 86 states and 150 transitions. [2020-12-01 16:20:58,707 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 150 transitions. [2020-12-01 16:20:58,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-01 16:20:58,709 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:58,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:58,944 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-01 16:21:02,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:21:02,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 93 states and 173 transitions. [2020-12-01 16:21:02,518 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 173 transitions. [2020-12-01 16:21:02,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-12-01 16:21:02,520 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:21:02,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:21:04,582 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-01 16:21:10,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:21:10,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 101 states and 197 transitions. [2020-12-01 16:21:10,368 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 197 transitions. [2020-12-01 16:21:10,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-12-01 16:21:10,370 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:21:10,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:21:10,862 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-01 16:21:11,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:21:11,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 102 states and 201 transitions. [2020-12-01 16:21:11,671 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 201 transitions. [2020-12-01 16:21:11,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-12-01 16:21:11,673 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:21:11,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:21:11,925 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 16:21:12,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:21:12,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 104 states and 202 transitions. [2020-12-01 16:21:12,125 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 202 transitions. [2020-12-01 16:21:12,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-12-01 16:21:12,128 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:21:12,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:21:18,759 WARN L197 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 144 DAG size of output: 120 [2020-12-01 16:21:19,170 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 16:21:25,626 WARN L197 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2020-12-01 16:21:27,246 WARN L197 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 67 [2020-12-01 16:21:28,751 WARN L197 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-12-01 16:21:30,268 WARN L197 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-12-01 16:21:31,446 WARN L197 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 67 [2020-12-01 16:21:33,115 WARN L197 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 68 [2020-12-01 16:21:34,672 WARN L197 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2020-12-01 16:21:36,120 WARN L197 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2020-12-01 16:21:45,872 WARN L197 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-12-01 16:21:47,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:21:47,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 124 states and 254 transitions. [2020-12-01 16:21:47,847 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 254 transitions. [2020-12-01 16:21:47,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-12-01 16:21:47,849 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:21:47,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:21:47,893 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 10 proven. 9 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-12-01 16:21:51,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:21:51,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 127 states and 259 transitions. [2020-12-01 16:21:51,097 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 259 transitions. [2020-12-01 16:21:51,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-12-01 16:21:51,099 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:21:51,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:21:55,146 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 16:22:01,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:22:01,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 131 states and 264 transitions. [2020-12-01 16:22:01,956 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 264 transitions. [2020-12-01 16:22:01,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-12-01 16:22:01,957 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:22:01,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:22:03,609 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-12-01 16:22:06,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:22:06,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 101 states and 172 transitions. [2020-12-01 16:22:06,808 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 172 transitions. [2020-12-01 16:22:06,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-12-01 16:22:06,809 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:22:06,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:22:06,870 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:22:06,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:22:06,955 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:22:07,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:22:07,481 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:22:07,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:22:07,592 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:22:10,791 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 19 iterations. [2020-12-01 16:22:10,890 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 04:22:10 ImpRootNode [2020-12-01 16:22:10,891 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 16:22:10,891 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 16:22:10,891 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 16:22:10,891 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 16:22:10,892 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:20:36" (3/4) ... [2020-12-01 16:22:10,895 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-01 16:22:11,010 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_12401902-da2e-46e5-a737-28e6b8322a98/bin/ukojak/witness.graphml [2020-12-01 16:22:11,011 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 16:22:11,013 INFO L168 Benchmark]: Toolchain (without parser) took 96037.79 ms. Allocated memory was 81.8 MB in the beginning and 488.6 MB in the end (delta: 406.8 MB). Free memory was 52.2 MB in the beginning and 214.2 MB in the end (delta: -162.0 MB). Peak memory consumption was 245.6 MB. Max. memory is 16.1 GB. [2020-12-01 16:22:11,014 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 81.8 MB. Free memory is still 37.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:22:11,014 INFO L168 Benchmark]: CACSL2BoogieTranslator took 678.49 ms. Allocated memory was 81.8 MB in the beginning and 107.0 MB in the end (delta: 25.2 MB). Free memory was 52.2 MB in the beginning and 62.7 MB in the end (delta: -10.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-12-01 16:22:11,015 INFO L168 Benchmark]: Boogie Procedure Inliner took 60.32 ms. Allocated memory is still 107.0 MB. Free memory was 62.7 MB in the beginning and 60.2 MB in the end (delta: 2.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 16:22:11,017 INFO L168 Benchmark]: Boogie Preprocessor took 83.91 ms. Allocated memory is still 107.0 MB. Free memory was 60.2 MB in the beginning and 85.5 MB in the end (delta: -25.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 16:22:11,017 INFO L168 Benchmark]: RCFGBuilder took 840.49 ms. Allocated memory is still 107.0 MB. Free memory was 84.9 MB in the beginning and 66.3 MB in the end (delta: 18.6 MB). Peak memory consumption was 37.3 MB. Max. memory is 16.1 GB. [2020-12-01 16:22:11,018 INFO L168 Benchmark]: CodeCheck took 94234.71 ms. Allocated memory was 107.0 MB in the beginning and 488.6 MB in the end (delta: 381.7 MB). Free memory was 66.3 MB in the beginning and 220.5 MB in the end (delta: -154.2 MB). Peak memory consumption was 227.7 MB. Max. memory is 16.1 GB. [2020-12-01 16:22:11,018 INFO L168 Benchmark]: Witness Printer took 119.88 ms. Allocated memory is still 488.6 MB. Free memory was 220.5 MB in the beginning and 214.2 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-01 16:22:11,021 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 7 procedures, 58 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 94.0s, OverallIterations: 19, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 4571528 SDtfs, 1413716 SDslu, 1177688 SDs, 0 SdLazy, 6932834 SolverSat, 2160758 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 16.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7336 GetRequests, 6782 SyntacticMatches, 190 SemanticMatches, 364 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55149 ImplicationChecksByTransitivity, 83.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 21.2s InterpolantComputationTime, 608 NumberOfCodeBlocks, 608 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 538 ConstructedInterpolants, 0 QuantifiedInterpolants, 1354886 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 5 PerfectInterpolantSequences, 90/173 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 566]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L669] struct ldv_list_head mutexes = { &(mutexes), &(mutexes) }; [L687] struct ldv_list_head drvlist = { &(drvlist), &(drvlist) }; [L691] int i; [L692] int N = __VERIFIER_nondet_int(); [L693] i=0 VAL [drvlist={9:0}, mutexes={29590:0}] [L693] COND TRUE ilist, &drvlist) VAL [drvlist={9:0}, head={9:0}, mutexes={29590:0}, new={-1:8}] [L612] EXPR head->next VAL [drvlist={9:0}, head={9:0}, head={9:0}, head->next={9:0}, mutexes={29590:0}, new={-1:8}, new={-1:8}] [L612] CALL __ldv_list_add(new, head, head->next) VAL [drvlist={9:0}, mutexes={29590:0}, new={-1:8}, next={9:0}, prev={9:0}] [L600] next->prev = new [L601] new->next = next [L602] new->prev = prev [L603] prev->next = new [L612] RET __ldv_list_add(new, head, head->next) VAL [drvlist={9:0}, head={9:0}, head={9:0}, head->next={9:0}, mutexes={29590:0}, new={-1:8}, new={-1:8}] [L695] RET ldv_list_add(&me->list, &drvlist) VAL [drvlist={9:0}, mutexes={29590:0}] [L693] i++ VAL [drvlist={9:0}, mutexes={29590:0}] [L693] COND FALSE !(inext [L698] const typeof( ((typeof(*me) *)0)->list ) *__mptr = ((&drvlist)->next); [L698] me = ({ const typeof( ((typeof(*me) *)0)->list ) *__mptr = ((&drvlist)->next); (typeof(*me) *)( (char *)__mptr - ((size_t) &((typeof(*me) *)0)->list) );}) VAL [drvlist={9:0}, mutexes={29590:0}] [L698] COND TRUE &me->list != (&drvlist) [L673] CALL ldv_is_in_set(m, &mutexes) VAL [drvlist={9:0}, e={-1:0}, mutexes={29590:0}, s={29590:0}] [L658] struct ldv_list_element *m; [L659] EXPR (s)->next [L659] const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); [L659] m = ({ const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); (typeof(*m) *)( (char *)__mptr - ((size_t) &((typeof(*m) *)0)->list) );}) VAL [__mptr={29590:0}, drvlist={9:0}, e={-1:0}, e={-1:0}, m={29590:-4}, mutexes={29590:0}, s={29590:0}, s={29590:0}] [L659] COND FALSE !(&m->list != (s)) [L664] return 0; VAL [\result=0, __mptr={29590:0}, drvlist={9:0}, e={-1:0}, e={-1:0}, m={29590:-4}, mutexes={29590:0}, s={29590:0}, s={29590:0}] [L673] RET ldv_is_in_set(m, &mutexes) VAL [drvlist={9:0}, mutexes={29590:0}] [L673] COND FALSE !(ldv_is_in_set(m, &mutexes)) [L640] CALL, EXPR ldv_is_in_set(new, s) VAL [drvlist={9:0}, e={-1:0}, mutexes={29590:0}, s={29590:0}] [L658] struct ldv_list_element *m; [L659] EXPR (s)->next [L659] const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); [L659] m = ({ const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); (typeof(*m) *)( (char *)__mptr - ((size_t) &((typeof(*m) *)0)->list) );}) VAL [__mptr={29590:0}, drvlist={9:0}, e={-1:0}, e={-1:0}, m={29590:-4}, mutexes={29590:0}, s={29590:0}, s={29590:0}] [L659] COND FALSE !(&m->list != (s)) [L664] return 0; VAL [\result=0, __mptr={29590:0}, drvlist={9:0}, e={-1:0}, e={-1:0}, m={29590:-4}, mutexes={29590:0}, s={29590:0}, s={29590:0}] [L640] RET, EXPR ldv_is_in_set(new, s) VAL [drvlist={9:0}, mutexes={29590:0}] [L640] COND TRUE !ldv_is_in_set(new, s) [L641] struct ldv_list_element *le; VAL [drvlist={9:0}, mutexes={29590:0}] [L642] CALL, EXPR ldv_successful_malloc(sizeof(struct ldv_list_element)) VAL [drvlist={9:0}, mutexes={29590:0}] [L580] void *ptr = malloc(size); [L569] COND FALSE !(!cond) [L582] return ptr; [L642] RET, EXPR ldv_successful_malloc(sizeof(struct ldv_list_element)) VAL [drvlist={9:0}, mutexes={29590:0}] [L642] le = (struct ldv_list_element*)ldv_successful_malloc(sizeof(struct ldv_list_element)) [L643] le->e = new VAL [drvlist={9:0}, mutexes={29590:0}] [L644] CALL ldv_list_add(&le->list, s) VAL [drvlist={9:0}, head={29590:0}, mutexes={29590:0}, new={3:4}] [L612] EXPR head->next VAL [drvlist={9:0}, head={29590:0}, head={29590:0}, head->next={29590:0}, mutexes={29590:0}, new={3:4}, new={3:4}] [L612] CALL __ldv_list_add(new, head, head->next) VAL [drvlist={9:0}, mutexes={29590:0}, new={3:4}, next={29590:0}, prev={29590:0}] [L600] next->prev = new [L601] new->next = next [L602] new->prev = prev [L603] prev->next = new [L612] RET __ldv_list_add(new, head, head->next) VAL [drvlist={9:0}, head={29590:0}, head={29590:0}, head->next={29590:0}, mutexes={29590:0}, new={3:4}, new={3:4}] [L644] RET ldv_list_add(&le->list, s) VAL [drvlist={9:0}, mutexes={29590:0}] [L700] CALL ldv_list_del(&me->list) VAL [drvlist={9:0}, mutexes={29590:0}] [L620] entry->prev [L620] entry->next [L607] next->prev = prev [L608] prev->next = next [L700] RET ldv_list_del(&me->list) VAL [drvlist={9:0}, mutexes={29590:0}] [L698] EXPR (me)->list.next [L698] const typeof( ((typeof(*(me)) *)0)->list ) *__mptr = ((me)->list.next); [L698] me = ({ const typeof( ((typeof(*(me)) *)0)->list ) *__mptr = ((me)->list.next); (typeof(*(me)) *)( (char *)__mptr - ((size_t) &((typeof(*(me)) *)0)->list) );}) VAL [drvlist={9:0}, mutexes={29590:0}] [L698] COND FALSE !(&me->list != (&drvlist)) [L702] EXPR (&drvlist)->next [L702] const typeof( ((typeof(*me) *)0)->list ) *__mptr = ((&drvlist)->next); [L702] me = ({ const typeof( ((typeof(*me) *)0)->list ) *__mptr = ((&drvlist)->next); (typeof(*me) *)( (char *)__mptr - ((size_t) &((typeof(*me) *)0)->list) );}) VAL [drvlist={9:0}, mutexes={29590:0}] [L702] COND FALSE !(&me->list != (&drvlist)) [L624] EXPR head->next [L624] return head->next == head; [L667] return ldv_list_empty(s); [L681] COND TRUE !ldv_set_empty(&mutexes) [L681] CALL reach_error() VAL [drvlist={9:0}, mutexes={29590:0}] [L566] COND FALSE !(0) VAL [drvlist={9:0}, mutexes={29590:0}] [L566] __assert_fail ("0", "model/ldv.h", 3, __extension__ __PRETTY_FUNCTION__) VAL [drvlist={9:0}, mutexes={29590:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 81.8 MB. Free memory is still 37.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 678.49 ms. Allocated memory was 81.8 MB in the beginning and 107.0 MB in the end (delta: 25.2 MB). Free memory was 52.2 MB in the beginning and 62.7 MB in the end (delta: -10.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 60.32 ms. Allocated memory is still 107.0 MB. Free memory was 62.7 MB in the beginning and 60.2 MB in the end (delta: 2.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 83.91 ms. Allocated memory is still 107.0 MB. Free memory was 60.2 MB in the beginning and 85.5 MB in the end (delta: -25.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 840.49 ms. Allocated memory is still 107.0 MB. Free memory was 84.9 MB in the beginning and 66.3 MB in the end (delta: 18.6 MB). Peak memory consumption was 37.3 MB. Max. memory is 16.1 GB. * CodeCheck took 94234.71 ms. Allocated memory was 107.0 MB in the beginning and 488.6 MB in the end (delta: 381.7 MB). Free memory was 66.3 MB in the beginning and 220.5 MB in the end (delta: -154.2 MB). Peak memory consumption was 227.7 MB. Max. memory is 16.1 GB. * Witness Printer took 119.88 ms. Allocated memory is still 488.6 MB. Free memory was 220.5 MB in the beginning and 214.2 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...