./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-properties/simple_built_from_end.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_f1ff68f6-a696-4e6a-8910-180ccf6cb0b2/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_f1ff68f6-a696-4e6a-8910-180ccf6cb0b2/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f1ff68f6-a696-4e6a-8910-180ccf6cb0b2/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f1ff68f6-a696-4e6a-8910-180ccf6cb0b2/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-properties/simple_built_from_end.i -s /tmp/vcloud-vcloud-master/worker/run_dir_f1ff68f6-a696-4e6a-8910-180ccf6cb0b2/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f1ff68f6-a696-4e6a-8910-180ccf6cb0b2/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 41b5142f2d6582efd6d9a128e4dfef83faaab097 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_f1ff68f6-a696-4e6a-8910-180ccf6cb0b2/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_f1ff68f6-a696-4e6a-8910-180ccf6cb0b2/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f1ff68f6-a696-4e6a-8910-180ccf6cb0b2/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f1ff68f6-a696-4e6a-8910-180ccf6cb0b2/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-properties/simple_built_from_end.i -s /tmp/vcloud-vcloud-master/worker/run_dir_f1ff68f6-a696-4e6a-8910-180ccf6cb0b2/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f1ff68f6-a696-4e6a-8910-180ccf6cb0b2/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 41b5142f2d6582efd6d9a128e4dfef83faaab097 ................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: Sort C_DOUBLE not declared --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-15 22:43:28,635 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 22:43:28,637 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 22:43:28,655 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 22:43:28,656 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 22:43:28,658 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 22:43:28,660 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 22:43:28,672 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 22:43:28,675 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 22:43:28,679 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 22:43:28,680 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 22:43:28,682 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 22:43:28,683 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 22:43:28,687 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 22:43:28,689 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 22:43:28,690 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 22:43:28,691 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 22:43:28,695 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 22:43:28,699 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 22:43:28,703 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 22:43:28,707 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 22:43:28,709 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 22:43:28,712 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 22:43:28,713 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 22:43:28,716 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 22:43:28,716 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 22:43:28,717 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 22:43:28,718 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 22:43:28,719 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 22:43:28,720 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 22:43:28,720 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 22:43:28,721 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 22:43:28,722 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 22:43:28,722 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 22:43:28,724 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 22:43:28,725 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 22:43:28,726 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 22:43:28,726 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 22:43:28,726 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 22:43:28,728 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 22:43:28,728 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 22:43:28,730 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f1ff68f6-a696-4e6a-8910-180ccf6cb0b2/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-15 22:43:28,763 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 22:43:28,777 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 22:43:28,778 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 22:43:28,779 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 22:43:28,779 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 22:43:28,780 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 22:43:28,780 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 22:43:28,780 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-15 22:43:28,781 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 22:43:28,781 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 22:43:28,781 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 22:43:28,781 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-15 22:43:28,782 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-15 22:43:28,782 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-15 22:43:28,782 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 22:43:28,783 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 22:43:28,783 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 22:43:28,783 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 22:43:28,784 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 22:43:28,784 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 22:43:28,784 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 22:43:28,785 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 22:43:28,785 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 22:43:28,785 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 22:43:28,786 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 22:43:28,786 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-15 22:43:28,786 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_f1ff68f6-a696-4e6a-8910-180ccf6cb0b2/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer 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 -> 41b5142f2d6582efd6d9a128e4dfef83faaab097 [2019-11-15 22:43:28,828 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 22:43:28,848 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 22:43:28,852 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 22:43:28,854 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 22:43:28,855 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 22:43:28,855 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f1ff68f6-a696-4e6a-8910-180ccf6cb0b2/bin/uautomizer/../../sv-benchmarks/c/list-properties/simple_built_from_end.i [2019-11-15 22:43:28,932 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f1ff68f6-a696-4e6a-8910-180ccf6cb0b2/bin/uautomizer/data/3ceebc9a2/adcfce75722c4992a4d52ebdc282742c/FLAG2c0459feb [2019-11-15 22:43:29,570 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 22:43:29,571 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f1ff68f6-a696-4e6a-8910-180ccf6cb0b2/sv-benchmarks/c/list-properties/simple_built_from_end.i [2019-11-15 22:43:29,590 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f1ff68f6-a696-4e6a-8910-180ccf6cb0b2/bin/uautomizer/data/3ceebc9a2/adcfce75722c4992a4d52ebdc282742c/FLAG2c0459feb [2019-11-15 22:43:29,804 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f1ff68f6-a696-4e6a-8910-180ccf6cb0b2/bin/uautomizer/data/3ceebc9a2/adcfce75722c4992a4d52ebdc282742c [2019-11-15 22:43:29,807 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 22:43:29,809 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-15 22:43:29,810 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 22:43:29,811 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 22:43:29,815 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 22:43:29,816 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:43:29" (1/1) ... [2019-11-15 22:43:29,819 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5366b4ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:43:29, skipping insertion in model container [2019-11-15 22:43:29,819 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:43:29" (1/1) ... [2019-11-15 22:43:29,826 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 22:43:29,876 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 22:43:30,343 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 22:43:30,362 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 22:43:30,438 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 22:43:30,512 INFO L192 MainTranslator]: Completed translation [2019-11-15 22:43:30,512 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:43:30 WrapperNode [2019-11-15 22:43:30,513 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 22:43:30,514 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 22:43:30,514 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 22:43:30,514 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 22:43:30,528 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:43:30" (1/1) ... [2019-11-15 22:43:30,528 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:43:30" (1/1) ... [2019-11-15 22:43:30,560 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:43:30" (1/1) ... [2019-11-15 22:43:30,561 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:43:30" (1/1) ... [2019-11-15 22:43:30,605 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:43:30" (1/1) ... [2019-11-15 22:43:30,613 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:43:30" (1/1) ... [2019-11-15 22:43:30,623 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:43:30" (1/1) ... [2019-11-15 22:43:30,641 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 22:43:30,646 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 22:43:30,646 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 22:43:30,646 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 22:43:30,655 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:43:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f1ff68f6-a696-4e6a-8910-180ccf6cb0b2/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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:2000 [2019-11-15 22:43:30,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-15 22:43:30,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 22:43:30,750 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-15 22:43:30,750 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-15 22:43:30,751 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-15 22:43:30,751 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-15 22:43:30,752 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-15 22:43:30,752 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-11-15 22:43:30,752 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-15 22:43:30,753 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-15 22:43:30,753 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-15 22:43:30,753 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-15 22:43:30,754 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-15 22:43:30,755 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-15 22:43:30,755 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-15 22:43:30,755 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-15 22:43:30,755 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-15 22:43:30,755 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-15 22:43:30,756 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-15 22:43:30,757 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-15 22:43:30,757 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-15 22:43:30,757 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-15 22:43:30,757 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-15 22:43:30,758 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-15 22:43:30,758 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-15 22:43:30,758 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-15 22:43:30,758 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-15 22:43:30,758 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-15 22:43:30,759 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-15 22:43:30,760 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-15 22:43:30,760 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-15 22:43:30,760 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-15 22:43:30,760 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-15 22:43:30,760 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-15 22:43:30,761 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-15 22:43:30,761 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-15 22:43:30,761 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-15 22:43:30,761 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-15 22:43:30,761 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-15 22:43:30,762 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-15 22:43:30,762 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-15 22:43:30,762 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-15 22:43:30,762 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-15 22:43:30,762 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-15 22:43:30,763 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-15 22:43:30,763 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-15 22:43:30,763 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-15 22:43:30,764 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-15 22:43:30,765 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-15 22:43:30,765 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-15 22:43:30,765 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-15 22:43:30,765 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-15 22:43:30,766 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-15 22:43:30,766 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-15 22:43:30,766 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-15 22:43:30,766 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-15 22:43:30,766 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-15 22:43:30,767 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-15 22:43:30,767 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-15 22:43:30,768 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-15 22:43:30,768 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-15 22:43:30,768 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-15 22:43:30,768 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-15 22:43:30,769 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-15 22:43:30,769 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-15 22:43:30,769 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-15 22:43:30,769 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-15 22:43:30,770 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-15 22:43:30,770 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-15 22:43:30,770 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-15 22:43:30,771 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-15 22:43:30,771 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-15 22:43:30,771 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-15 22:43:30,772 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-15 22:43:30,772 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-15 22:43:30,773 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-15 22:43:30,773 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-15 22:43:30,774 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-15 22:43:30,774 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-15 22:43:30,775 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-15 22:43:30,775 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-15 22:43:30,775 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-15 22:43:30,775 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-15 22:43:30,775 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-15 22:43:30,776 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-15 22:43:30,776 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-15 22:43:30,776 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-15 22:43:30,776 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-15 22:43:30,776 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-15 22:43:30,777 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-15 22:43:30,777 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-15 22:43:30,777 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-15 22:43:30,777 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-15 22:43:30,778 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-15 22:43:30,778 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-15 22:43:30,778 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-15 22:43:30,778 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-15 22:43:30,778 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-15 22:43:30,779 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-15 22:43:30,779 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-15 22:43:30,779 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-15 22:43:30,779 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-15 22:43:30,779 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-15 22:43:30,780 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-15 22:43:30,780 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-15 22:43:30,780 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-15 22:43:30,780 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-15 22:43:30,780 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-15 22:43:30,781 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-15 22:43:30,781 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-15 22:43:30,781 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-15 22:43:30,781 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-15 22:43:30,781 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-15 22:43:30,782 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-15 22:43:30,782 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-15 22:43:30,782 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-15 22:43:30,782 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-15 22:43:30,782 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-15 22:43:30,783 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-11-15 22:43:30,783 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-15 22:43:30,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-15 22:43:30,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-15 22:43:30,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-15 22:43:30,785 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-15 22:43:30,785 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-15 22:43:30,785 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-15 22:43:30,785 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 22:43:30,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-15 22:43:31,129 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-11-15 22:43:31,323 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 22:43:31,324 INFO L284 CfgBuilder]: Removed 2 assume(true) statements. [2019-11-15 22:43:31,325 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:43:31 BoogieIcfgContainer [2019-11-15 22:43:31,325 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 22:43:31,326 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 22:43:31,326 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 22:43:31,329 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 22:43:31,330 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 10:43:29" (1/3) ... [2019-11-15 22:43:31,331 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67a252e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 10:43:31, skipping insertion in model container [2019-11-15 22:43:31,331 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:43:30" (2/3) ... [2019-11-15 22:43:31,331 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67a252e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 10:43:31, skipping insertion in model container [2019-11-15 22:43:31,332 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:43:31" (3/3) ... [2019-11-15 22:43:31,333 INFO L109 eAbstractionObserver]: Analyzing ICFG simple_built_from_end.i [2019-11-15 22:43:31,345 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 22:43:31,354 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 9 error locations. [2019-11-15 22:43:31,368 INFO L249 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2019-11-15 22:43:31,390 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 22:43:31,391 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-15 22:43:31,391 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 22:43:31,391 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 22:43:31,391 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 22:43:31,391 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 22:43:31,391 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 22:43:31,391 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 22:43:31,408 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states. [2019-11-15 22:43:31,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-15 22:43:31,419 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:43:31,420 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:43:31,422 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr1REQUIRES_VIOLATION, mainErr8ENSURES_VIOLATIONMEMORY_LEAK, mainErr6REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION]=== [2019-11-15 22:43:31,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:43:31,428 INFO L82 PathProgramCache]: Analyzing trace with hash -1646810453, now seen corresponding path program 1 times [2019-11-15 22:43:31,438 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:43:31,438 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071682926] [2019-11-15 22:43:31,439 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:43:31,439 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:43:31,439 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:43:31,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:43:31,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:43:31,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:43:31,622 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071682926] [2019-11-15 22:43:31,623 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:43:31,623 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-15 22:43:31,623 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026589182] [2019-11-15 22:43:31,629 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-15 22:43:31,629 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:43:31,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-15 22:43:31,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-15 22:43:31,651 INFO L87 Difference]: Start difference. First operand 34 states. Second operand 3 states. [2019-11-15 22:43:31,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:43:31,819 INFO L93 Difference]: Finished difference Result 47 states and 51 transitions. [2019-11-15 22:43:31,820 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-15 22:43:31,821 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2019-11-15 22:43:31,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:43:31,834 INFO L225 Difference]: With dead ends: 47 [2019-11-15 22:43:31,835 INFO L226 Difference]: Without dead ends: 38 [2019-11-15 22:43:31,837 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-15 22:43:31,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2019-11-15 22:43:31,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 34. [2019-11-15 22:43:31,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2019-11-15 22:43:31,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 40 transitions. [2019-11-15 22:43:31,892 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 40 transitions. Word has length 9 [2019-11-15 22:43:31,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:43:31,893 INFO L462 AbstractCegarLoop]: Abstraction has 34 states and 40 transitions. [2019-11-15 22:43:31,893 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-15 22:43:31,893 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 40 transitions. [2019-11-15 22:43:31,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-15 22:43:31,894 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:43:31,895 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:43:31,895 INFO L410 AbstractCegarLoop]: === Iteration 2 === [mainErr1REQUIRES_VIOLATION, mainErr8ENSURES_VIOLATIONMEMORY_LEAK, mainErr6REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION]=== [2019-11-15 22:43:31,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:43:31,896 INFO L82 PathProgramCache]: Analyzing trace with hash 487831939, now seen corresponding path program 1 times [2019-11-15 22:43:31,896 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:43:31,897 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622408633] [2019-11-15 22:43:31,897 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:43:31,897 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:43:31,897 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:43:31,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:43:32,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:43:32,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:43:32,021 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622408633] [2019-11-15 22:43:32,021 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:43:32,022 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-15 22:43:32,022 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648249324] [2019-11-15 22:43:32,024 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-15 22:43:32,025 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:43:32,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-15 22:43:32,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-15 22:43:32,026 INFO L87 Difference]: Start difference. First operand 34 states and 40 transitions. Second operand 4 states. [2019-11-15 22:43:32,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:43:32,171 INFO L93 Difference]: Finished difference Result 38 states and 39 transitions. [2019-11-15 22:43:32,172 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-15 22:43:32,172 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2019-11-15 22:43:32,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:43:32,173 INFO L225 Difference]: With dead ends: 38 [2019-11-15 22:43:32,173 INFO L226 Difference]: Without dead ends: 37 [2019-11-15 22:43:32,174 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-15 22:43:32,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2019-11-15 22:43:32,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 29. [2019-11-15 22:43:32,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2019-11-15 22:43:32,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 30 transitions. [2019-11-15 22:43:32,184 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 30 transitions. Word has length 10 [2019-11-15 22:43:32,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:43:32,184 INFO L462 AbstractCegarLoop]: Abstraction has 29 states and 30 transitions. [2019-11-15 22:43:32,184 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-15 22:43:32,185 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2019-11-15 22:43:32,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-15 22:43:32,186 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:43:32,186 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:43:32,186 INFO L410 AbstractCegarLoop]: === Iteration 3 === [mainErr1REQUIRES_VIOLATION, mainErr8ENSURES_VIOLATIONMEMORY_LEAK, mainErr6REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION]=== [2019-11-15 22:43:32,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:43:32,187 INFO L82 PathProgramCache]: Analyzing trace with hash 487833254, now seen corresponding path program 1 times [2019-11-15 22:43:32,187 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:43:32,187 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302652786] [2019-11-15 22:43:32,188 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:43:32,188 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:43:32,188 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:43:32,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:43:32,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:43:32,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:43:32,286 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302652786] [2019-11-15 22:43:32,286 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:43:32,287 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-15 22:43:32,287 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190418090] [2019-11-15 22:43:32,288 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-15 22:43:32,288 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:43:32,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-15 22:43:32,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-15 22:43:32,289 INFO L87 Difference]: Start difference. First operand 29 states and 30 transitions. Second operand 4 states. [2019-11-15 22:43:32,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:43:32,380 INFO L93 Difference]: Finished difference Result 27 states and 28 transitions. [2019-11-15 22:43:32,381 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-15 22:43:32,381 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2019-11-15 22:43:32,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:43:32,382 INFO L225 Difference]: With dead ends: 27 [2019-11-15 22:43:32,382 INFO L226 Difference]: Without dead ends: 27 [2019-11-15 22:43:32,382 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-15 22:43:32,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2019-11-15 22:43:32,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2019-11-15 22:43:32,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2019-11-15 22:43:32,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 28 transitions. [2019-11-15 22:43:32,388 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 28 transitions. Word has length 10 [2019-11-15 22:43:32,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:43:32,388 INFO L462 AbstractCegarLoop]: Abstraction has 27 states and 28 transitions. [2019-11-15 22:43:32,388 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-15 22:43:32,389 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2019-11-15 22:43:32,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-15 22:43:32,389 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:43:32,390 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:43:32,390 INFO L410 AbstractCegarLoop]: === Iteration 4 === [mainErr1REQUIRES_VIOLATION, mainErr8ENSURES_VIOLATIONMEMORY_LEAK, mainErr6REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION]=== [2019-11-15 22:43:32,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:43:32,391 INFO L82 PathProgramCache]: Analyzing trace with hash 487833255, now seen corresponding path program 1 times [2019-11-15 22:43:32,391 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:43:32,391 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253461118] [2019-11-15 22:43:32,391 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:43:32,392 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:43:32,392 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:43:32,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:43:32,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:43:32,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:43:32,490 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253461118] [2019-11-15 22:43:32,490 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:43:32,491 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-15 22:43:32,491 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561014742] [2019-11-15 22:43:32,491 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-15 22:43:32,492 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:43:32,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-15 22:43:32,493 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-15 22:43:32,494 INFO L87 Difference]: Start difference. First operand 27 states and 28 transitions. Second operand 4 states. [2019-11-15 22:43:32,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:43:32,587 INFO L93 Difference]: Finished difference Result 25 states and 26 transitions. [2019-11-15 22:43:32,588 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-15 22:43:32,588 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2019-11-15 22:43:32,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:43:32,589 INFO L225 Difference]: With dead ends: 25 [2019-11-15 22:43:32,589 INFO L226 Difference]: Without dead ends: 25 [2019-11-15 22:43:32,590 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-15 22:43:32,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2019-11-15 22:43:32,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2019-11-15 22:43:32,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2019-11-15 22:43:32,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 26 transitions. [2019-11-15 22:43:32,594 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 26 transitions. Word has length 10 [2019-11-15 22:43:32,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:43:32,595 INFO L462 AbstractCegarLoop]: Abstraction has 25 states and 26 transitions. [2019-11-15 22:43:32,595 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-15 22:43:32,595 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2019-11-15 22:43:32,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-15 22:43:32,596 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:43:32,596 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:43:32,596 INFO L410 AbstractCegarLoop]: === Iteration 5 === [mainErr1REQUIRES_VIOLATION, mainErr8ENSURES_VIOLATIONMEMORY_LEAK, mainErr6REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION]=== [2019-11-15 22:43:32,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:43:32,597 INFO L82 PathProgramCache]: Analyzing trace with hash -146268883, now seen corresponding path program 1 times [2019-11-15 22:43:32,597 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:43:32,597 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589062096] [2019-11-15 22:43:32,597 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:43:32,597 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:43:32,600 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:43:32,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:43:32,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:43:32,704 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:43:32,704 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589062096] [2019-11-15 22:43:32,704 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:43:32,705 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-15 22:43:32,705 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858049978] [2019-11-15 22:43:32,705 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-15 22:43:32,706 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:43:32,706 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-15 22:43:32,706 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-15 22:43:32,706 INFO L87 Difference]: Start difference. First operand 25 states and 26 transitions. Second operand 5 states. [2019-11-15 22:43:32,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:43:32,839 INFO L93 Difference]: Finished difference Result 33 states and 34 transitions. [2019-11-15 22:43:32,839 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-15 22:43:32,840 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2019-11-15 22:43:32,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:43:32,841 INFO L225 Difference]: With dead ends: 33 [2019-11-15 22:43:32,841 INFO L226 Difference]: Without dead ends: 33 [2019-11-15 22:43:32,841 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-15 22:43:32,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2019-11-15 22:43:32,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 26. [2019-11-15 22:43:32,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2019-11-15 22:43:32,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 29 transitions. [2019-11-15 22:43:32,846 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 29 transitions. Word has length 16 [2019-11-15 22:43:32,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:43:32,846 INFO L462 AbstractCegarLoop]: Abstraction has 26 states and 29 transitions. [2019-11-15 22:43:32,847 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-15 22:43:32,847 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 29 transitions. [2019-11-15 22:43:32,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-15 22:43:32,848 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:43:32,848 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:43:32,848 INFO L410 AbstractCegarLoop]: === Iteration 6 === [mainErr1REQUIRES_VIOLATION, mainErr8ENSURES_VIOLATIONMEMORY_LEAK, mainErr6REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION]=== [2019-11-15 22:43:32,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:43:32,848 INFO L82 PathProgramCache]: Analyzing trace with hash -146268882, now seen corresponding path program 1 times [2019-11-15 22:43:32,849 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:43:32,849 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026811610] [2019-11-15 22:43:32,849 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:43:32,849 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:43:32,849 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:43:32,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:43:32,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:43:32,957 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:43:32,957 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2026811610] [2019-11-15 22:43:32,957 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:43:32,958 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-15 22:43:32,958 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541008727] [2019-11-15 22:43:32,958 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-15 22:43:32,959 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:43:32,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-15 22:43:32,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-15 22:43:32,960 INFO L87 Difference]: Start difference. First operand 26 states and 29 transitions. Second operand 5 states. [2019-11-15 22:43:33,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:43:33,090 INFO L93 Difference]: Finished difference Result 35 states and 36 transitions. [2019-11-15 22:43:33,090 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-15 22:43:33,091 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2019-11-15 22:43:33,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:43:33,092 INFO L225 Difference]: With dead ends: 35 [2019-11-15 22:43:33,092 INFO L226 Difference]: Without dead ends: 35 [2019-11-15 22:43:33,092 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-15 22:43:33,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2019-11-15 22:43:33,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 28. [2019-11-15 22:43:33,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2019-11-15 22:43:33,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 30 transitions. [2019-11-15 22:43:33,097 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 30 transitions. Word has length 16 [2019-11-15 22:43:33,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:43:33,098 INFO L462 AbstractCegarLoop]: Abstraction has 28 states and 30 transitions. [2019-11-15 22:43:33,098 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-15 22:43:33,098 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 30 transitions. [2019-11-15 22:43:33,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-15 22:43:33,099 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:43:33,099 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:43:33,100 INFO L410 AbstractCegarLoop]: === Iteration 7 === [mainErr1REQUIRES_VIOLATION, mainErr8ENSURES_VIOLATIONMEMORY_LEAK, mainErr6REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION]=== [2019-11-15 22:43:33,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:43:33,100 INFO L82 PathProgramCache]: Analyzing trace with hash -146268927, now seen corresponding path program 1 times [2019-11-15 22:43:33,100 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:43:33,101 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10634683] [2019-11-15 22:43:33,101 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:43:33,101 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:43:33,101 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:43:33,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:43:33,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:43:33,201 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:43:33,201 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10634683] [2019-11-15 22:43:33,202 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:43:33,202 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-15 22:43:33,202 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371494632] [2019-11-15 22:43:33,203 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-15 22:43:33,203 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:43:33,203 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-15 22:43:33,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-15 22:43:33,204 INFO L87 Difference]: Start difference. First operand 28 states and 30 transitions. Second operand 5 states. [2019-11-15 22:43:33,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:43:33,336 INFO L93 Difference]: Finished difference Result 33 states and 34 transitions. [2019-11-15 22:43:33,337 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-15 22:43:33,337 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2019-11-15 22:43:33,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:43:33,338 INFO L225 Difference]: With dead ends: 33 [2019-11-15 22:43:33,338 INFO L226 Difference]: Without dead ends: 33 [2019-11-15 22:43:33,339 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-15 22:43:33,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2019-11-15 22:43:33,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 28. [2019-11-15 22:43:33,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2019-11-15 22:43:33,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 29 transitions. [2019-11-15 22:43:33,348 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 29 transitions. Word has length 16 [2019-11-15 22:43:33,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:43:33,349 INFO L462 AbstractCegarLoop]: Abstraction has 28 states and 29 transitions. [2019-11-15 22:43:33,349 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-15 22:43:33,350 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 29 transitions. [2019-11-15 22:43:33,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-15 22:43:33,352 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:43:33,352 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:43:33,352 INFO L410 AbstractCegarLoop]: === Iteration 8 === [mainErr1REQUIRES_VIOLATION, mainErr8ENSURES_VIOLATIONMEMORY_LEAK, mainErr6REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION]=== [2019-11-15 22:43:33,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:43:33,353 INFO L82 PathProgramCache]: Analyzing trace with hash 547670611, now seen corresponding path program 1 times [2019-11-15 22:43:33,353 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:43:33,354 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158911774] [2019-11-15 22:43:33,354 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:43:33,354 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:43:33,354 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:43:33,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:43:33,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:43:33,556 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:43:33,557 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158911774] [2019-11-15 22:43:33,557 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [362294872] [2019-11-15 22:43:33,557 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f1ff68f6-a696-4e6a-8910-180ccf6cb0b2/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 22:43:33,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:43:33,733 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 22 conjunts are in the unsatisfiable core [2019-11-15 22:43:33,743 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 22:43:33,909 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2019-11-15 22:43:33,909 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 22:43:33,931 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 22:43:33,936 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2019-11-15 22:43:33,937 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-15 22:43:33,949 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 22:43:33,950 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 22:43:33,950 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:33, output treesize:25 [2019-11-15 22:43:34,106 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-15 22:43:34,109 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2019-11-15 22:43:34,109 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 22:43:34,155 INFO L567 ElimStorePlain]: treesize reduction 3, result has 91.2 percent of original size [2019-11-15 22:43:34,164 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-15 22:43:34,167 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 22:43:34,167 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 10 [2019-11-15 22:43:34,168 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-15 22:43:34,186 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 22:43:34,188 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 22:43:34,188 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:49, output treesize:7 [2019-11-15 22:43:34,196 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:43:34,197 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 22:43:34,197 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 9] total 12 [2019-11-15 22:43:34,197 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013023473] [2019-11-15 22:43:34,198 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-11-15 22:43:34,198 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:43:34,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-11-15 22:43:34,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2019-11-15 22:43:34,199 INFO L87 Difference]: Start difference. First operand 28 states and 29 transitions. Second operand 12 states. [2019-11-15 22:43:34,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:43:34,633 INFO L93 Difference]: Finished difference Result 44 states and 45 transitions. [2019-11-15 22:43:34,633 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-15 22:43:34,633 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 21 [2019-11-15 22:43:34,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:43:34,634 INFO L225 Difference]: With dead ends: 44 [2019-11-15 22:43:34,635 INFO L226 Difference]: Without dead ends: 44 [2019-11-15 22:43:34,635 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2019-11-15 22:43:34,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2019-11-15 22:43:34,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 40. [2019-11-15 22:43:34,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2019-11-15 22:43:34,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 42 transitions. [2019-11-15 22:43:34,641 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 42 transitions. Word has length 21 [2019-11-15 22:43:34,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:43:34,641 INFO L462 AbstractCegarLoop]: Abstraction has 40 states and 42 transitions. [2019-11-15 22:43:34,641 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-11-15 22:43:34,646 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 42 transitions. [2019-11-15 22:43:34,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-15 22:43:34,647 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:43:34,647 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:43:34,853 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 22:43:34,854 INFO L410 AbstractCegarLoop]: === Iteration 9 === [mainErr1REQUIRES_VIOLATION, mainErr8ENSURES_VIOLATIONMEMORY_LEAK, mainErr6REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION]=== [2019-11-15 22:43:34,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:43:34,854 INFO L82 PathProgramCache]: Analyzing trace with hash 547670567, now seen corresponding path program 1 times [2019-11-15 22:43:34,855 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:43:34,855 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827718680] [2019-11-15 22:43:34,855 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:43:34,855 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:43:34,855 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:43:34,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:43:34,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:43:34,921 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 22:43:34,921 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-11-15 22:43:34,944 WARN L417 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2019-11-15 22:43:34,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 10:43:34 BoogieIcfgContainer [2019-11-15 22:43:34,981 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-15 22:43:34,982 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 22:43:34,982 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 22:43:34,983 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 22:43:34,983 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:43:31" (3/4) ... [2019-11-15 22:43:34,991 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-15 22:43:34,991 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 22:43:34,993 INFO L168 Benchmark]: Toolchain (without parser) took 5183.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 950.1 MB in the beginning and 814.3 MB in the end (delta: 135.7 MB). Peak memory consumption was 273.1 MB. Max. memory is 11.5 GB. [2019-11-15 22:43:34,995 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 22:43:34,995 INFO L168 Benchmark]: CACSL2BoogieTranslator took 702.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -161.8 MB). Peak memory consumption was 19.6 MB. Max. memory is 11.5 GB. [2019-11-15 22:43:34,996 INFO L168 Benchmark]: Boogie Preprocessor took 131.79 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 22:43:34,996 INFO L168 Benchmark]: RCFGBuilder took 679.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 48.5 MB). Peak memory consumption was 48.5 MB. Max. memory is 11.5 GB. [2019-11-15 22:43:34,997 INFO L168 Benchmark]: TraceAbstraction took 3655.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 814.3 MB in the end (delta: 243.6 MB). Peak memory consumption was 243.6 MB. Max. memory is 11.5 GB. [2019-11-15 22:43:34,998 INFO L168 Benchmark]: Witness Printer took 9.05 ms. Allocated memory is still 1.2 GB. Free memory is still 814.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 22:43:35,001 INFO L335 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 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 702.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -161.8 MB). Peak memory consumption was 19.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 131.79 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 679.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 48.5 MB). Peak memory consumption was 48.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3655.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 814.3 MB in the end (delta: 243.6 MB). Peak memory consumption was 243.6 MB. Max. memory is 11.5 GB. * Witness Printer took 9.05 ms. Allocated memory is still 1.2 GB. Free memory is still 814.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 520]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 520. Possible FailurePath: [L521] List t; [L522] List p = 0; VAL [p={0:0}] [L523] COND TRUE __VERIFIER_nondet_int() [L524] t = (List) malloc(sizeof(struct node)) VAL [malloc(sizeof(struct node))={2:0}, p={0:0}, t={2:0}] [L525] COND FALSE !(t == 0) VAL [malloc(sizeof(struct node))={2:0}, p={0:0}, t={2:0}] [L526] t->h = 1 VAL [malloc(sizeof(struct node))={2:0}, p={0:0}, t={2:0}] [L527] t->n = p VAL [malloc(sizeof(struct node))={2:0}, p={0:0}, t={2:0}] [L528] p = t VAL [malloc(sizeof(struct node))={2:0}, p={2:0}, t={2:0}] [L523] COND FALSE !(__VERIFIER_nondet_int()) [L530] COND TRUE p!=0 VAL [malloc(sizeof(struct node))={2:0}, p={2:0}, t={2:0}] [L531] EXPR p->h VAL [malloc(sizeof(struct node))={2:0}, p={2:0}, p->h=1, t={2:0}] [L531] COND FALSE !(p->h != 1) [L534] EXPR p->n VAL [malloc(sizeof(struct node))={2:0}, p={2:0}, p->n={0:0}, t={2:0}] [L534] p = p->n [L530] COND FALSE !(p!=0) VAL [malloc(sizeof(struct node))={2:0}, p={0:0}, t={2:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 50 locations, 9 error locations. Result: UNSAFE, OverallTime: 3.5s, OverallIterations: 9, TraceHistogramMax: 2, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 136 SDtfs, 182 SDslu, 146 SDs, 0 SdLazy, 462 SolverSat, 29 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 75 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=40occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 8 MinimizatonAttempts, 35 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 150 NumberOfCodeBlocks, 150 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 120 ConstructedInterpolants, 6 QuantifiedInterpolants, 13135 SizeOfPredicates, 11 NumberOfNonLiveVariables, 96 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 9 InterpolantComputations, 7 PerfectInterpolantSequences, 8/14 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-cad4683 [2019-11-15 22:43:37,737 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 22:43:37,739 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 22:43:37,752 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-11-15 22:43:37,764 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 22:43:37,765 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 22:43:37,767 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 22:43:37,768 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 22:43:37,769 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 22:43:37,770 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 22:43:37,772 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 22:43:37,775 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 22:43:37,778 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 22:43:37,779 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 22:43:37,781 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 22:43:37,782 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 22:43:37,786 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-15 22:43:37,790 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 22:43:37,791 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 22:43:37,792 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 22:43:37,793 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 22:43:37,794 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 22:43:37,795 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 22:43:37,796 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 22:43:37,796 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 22:43:37,797 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 22:43:37,798 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 22:43:37,799 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 22:43:37,800 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f1ff68f6-a696-4e6a-8910-180ccf6cb0b2/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-15 22:43:37,817 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 22:43:37,818 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 22:43:37,819 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 22:43:37,819 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 22:43:37,820 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 22:43:37,820 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 22:43:37,820 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 22:43:37,821 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-15 22:43:37,821 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 22:43:37,821 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 22:43:37,822 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 22:43:37,822 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-15 22:43:37,822 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-15 22:43:37,823 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-15 22:43:37,823 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 22:43:37,823 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-15 22:43:37,823 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-15 22:43:37,824 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 22:43:37,824 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 22:43:37,824 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 22:43:37,825 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 22:43:37,825 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 22:43:37,825 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 22:43:37,826 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 22:43:37,826 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 22:43:37,826 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 22:43:37,826 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-15 22:43:37,827 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-15 22:43:37,827 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-15 22:43:37,827 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_f1ff68f6-a696-4e6a-8910-180ccf6cb0b2/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer 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 -> 41b5142f2d6582efd6d9a128e4dfef83faaab097 [2019-11-15 22:43:37,865 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 22:43:37,880 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 22:43:37,884 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 22:43:37,886 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 22:43:37,886 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 22:43:37,887 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f1ff68f6-a696-4e6a-8910-180ccf6cb0b2/bin/uautomizer/../../sv-benchmarks/c/list-properties/simple_built_from_end.i [2019-11-15 22:43:37,957 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f1ff68f6-a696-4e6a-8910-180ccf6cb0b2/bin/uautomizer/data/9cadd1f53/5223a0f4f5354eb2a5a3c95cade36c17/FLAGf21582f34 [2019-11-15 22:43:38,516 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 22:43:38,520 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f1ff68f6-a696-4e6a-8910-180ccf6cb0b2/sv-benchmarks/c/list-properties/simple_built_from_end.i [2019-11-15 22:43:38,537 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f1ff68f6-a696-4e6a-8910-180ccf6cb0b2/bin/uautomizer/data/9cadd1f53/5223a0f4f5354eb2a5a3c95cade36c17/FLAGf21582f34 [2019-11-15 22:43:38,838 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f1ff68f6-a696-4e6a-8910-180ccf6cb0b2/bin/uautomizer/data/9cadd1f53/5223a0f4f5354eb2a5a3c95cade36c17 [2019-11-15 22:43:38,840 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 22:43:38,841 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-15 22:43:38,843 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 22:43:38,843 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 22:43:38,847 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 22:43:38,848 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:43:38" (1/1) ... [2019-11-15 22:43:38,852 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2844cb1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:43:38, skipping insertion in model container [2019-11-15 22:43:38,852 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:43:38" (1/1) ... [2019-11-15 22:43:38,861 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 22:43:38,928 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 22:43:39,435 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 22:43:39,455 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 22:43:39,543 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 22:43:39,611 INFO L192 MainTranslator]: Completed translation [2019-11-15 22:43:39,612 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:43:39 WrapperNode [2019-11-15 22:43:39,613 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 22:43:39,614 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 22:43:39,614 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 22:43:39,614 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 22:43:39,628 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:43:39" (1/1) ... [2019-11-15 22:43:39,628 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:43:39" (1/1) ... [2019-11-15 22:43:39,649 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:43:39" (1/1) ... [2019-11-15 22:43:39,650 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:43:39" (1/1) ... [2019-11-15 22:43:39,670 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:43:39" (1/1) ... [2019-11-15 22:43:39,675 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:43:39" (1/1) ... [2019-11-15 22:43:39,680 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:43:39" (1/1) ... [2019-11-15 22:43:39,688 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 22:43:39,689 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 22:43:39,689 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 22:43:39,689 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 22:43:39,690 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:43:39" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f1ff68f6-a696-4e6a-8910-180ccf6cb0b2/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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:2000 [2019-11-15 22:43:39,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-15 22:43:39,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 22:43:39,762 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-15 22:43:39,762 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-15 22:43:39,763 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-15 22:43:39,763 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-15 22:43:39,764 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-15 22:43:39,765 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-11-15 22:43:39,765 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-15 22:43:39,767 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-15 22:43:39,767 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-15 22:43:39,767 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-15 22:43:39,768 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-15 22:43:39,768 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-15 22:43:39,768 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-15 22:43:39,769 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-15 22:43:39,770 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-15 22:43:39,770 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-15 22:43:39,770 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-15 22:43:39,771 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-15 22:43:39,771 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-15 22:43:39,771 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-15 22:43:39,771 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-15 22:43:39,772 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-15 22:43:39,773 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-15 22:43:39,774 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-15 22:43:39,774 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-15 22:43:39,774 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-15 22:43:39,775 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-15 22:43:39,775 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-15 22:43:39,775 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-15 22:43:39,775 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-15 22:43:39,775 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-15 22:43:39,776 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-15 22:43:39,776 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-15 22:43:39,776 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-15 22:43:39,776 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-15 22:43:39,777 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-15 22:43:39,777 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-15 22:43:39,777 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-15 22:43:39,777 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-15 22:43:39,778 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-15 22:43:39,778 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-15 22:43:39,778 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-15 22:43:39,780 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-15 22:43:39,780 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-15 22:43:39,780 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-15 22:43:39,781 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-15 22:43:39,781 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-15 22:43:39,781 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-15 22:43:39,781 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-15 22:43:39,782 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-15 22:43:39,782 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-15 22:43:39,783 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-15 22:43:39,783 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-15 22:43:39,783 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-15 22:43:39,783 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-15 22:43:39,784 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-15 22:43:39,784 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-15 22:43:39,784 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-15 22:43:39,785 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-15 22:43:39,785 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-15 22:43:39,785 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-15 22:43:39,785 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-15 22:43:39,786 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-15 22:43:39,786 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-15 22:43:39,786 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-15 22:43:39,787 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-15 22:43:39,788 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-15 22:43:39,788 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-15 22:43:39,788 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-15 22:43:39,790 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-15 22:43:39,790 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-15 22:43:39,791 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-15 22:43:39,792 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-15 22:43:39,792 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-15 22:43:39,792 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-15 22:43:39,793 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-15 22:43:39,793 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-15 22:43:39,793 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-15 22:43:39,793 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-15 22:43:39,793 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-15 22:43:39,794 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-15 22:43:39,794 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-15 22:43:39,794 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-15 22:43:39,794 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-15 22:43:39,795 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-15 22:43:39,795 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-15 22:43:39,795 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-15 22:43:39,795 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-15 22:43:39,795 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-15 22:43:39,796 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-15 22:43:39,796 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-15 22:43:39,796 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-15 22:43:39,796 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-15 22:43:39,797 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-15 22:43:39,797 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-15 22:43:39,797 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-15 22:43:39,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-15 22:43:39,798 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-15 22:43:39,798 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-15 22:43:39,798 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-15 22:43:39,798 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-15 22:43:39,799 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-15 22:43:39,799 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-15 22:43:39,799 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-15 22:43:39,799 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-15 22:43:39,799 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-15 22:43:39,800 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-15 22:43:39,800 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-15 22:43:39,800 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-15 22:43:39,800 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-15 22:43:39,800 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-15 22:43:39,801 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-15 22:43:39,801 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-15 22:43:39,802 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-15 22:43:39,802 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-15 22:43:39,803 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-15 22:43:39,803 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-11-15 22:43:39,803 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-15 22:43:39,804 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-15 22:43:39,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-15 22:43:39,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-15 22:43:39,805 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-15 22:43:39,805 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-15 22:43:39,805 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-15 22:43:39,806 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 22:43:39,806 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-15 22:43:40,185 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-11-15 22:43:40,394 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 22:43:40,394 INFO L284 CfgBuilder]: Removed 2 assume(true) statements. [2019-11-15 22:43:40,396 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:43:40 BoogieIcfgContainer [2019-11-15 22:43:40,396 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 22:43:40,398 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 22:43:40,398 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 22:43:40,401 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 22:43:40,401 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 10:43:38" (1/3) ... [2019-11-15 22:43:40,406 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2765cb3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 10:43:40, skipping insertion in model container [2019-11-15 22:43:40,406 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:43:39" (2/3) ... [2019-11-15 22:43:40,407 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2765cb3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 10:43:40, skipping insertion in model container [2019-11-15 22:43:40,407 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:43:40" (3/3) ... [2019-11-15 22:43:40,409 INFO L109 eAbstractionObserver]: Analyzing ICFG simple_built_from_end.i [2019-11-15 22:43:40,422 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 22:43:40,445 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 9 error locations. [2019-11-15 22:43:40,466 INFO L249 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2019-11-15 22:43:40,490 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 22:43:40,490 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-15 22:43:40,490 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 22:43:40,490 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 22:43:40,490 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 22:43:40,490 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 22:43:40,490 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 22:43:40,490 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 22:43:40,503 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2019-11-15 22:43:40,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-15 22:43:40,517 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:43:40,518 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:43:40,520 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr1REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr8ENSURES_VIOLATIONMEMORY_LEAK, mainErr4REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION]=== [2019-11-15 22:43:40,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:43:40,527 INFO L82 PathProgramCache]: Analyzing trace with hash 131073592, now seen corresponding path program 1 times [2019-11-15 22:43:40,539 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-15 22:43:40,539 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1376354814] [2019-11-15 22:43:40,540 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f1ff68f6-a696-4e6a-8910-180ccf6cb0b2/bin/uautomizer/cvc4 Starting monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-15 22:43:40,766 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-15 22:43:40,767 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Sort C_DOUBLE not declared at de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:412) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:223) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.NonDeclaringTermTransferrer.transferSort(NonDeclaringTermTransferrer.java:111) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.DeclarableFunctionSymbol.defineOrDeclare(DeclarableFunctionSymbol.java:160) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:143) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:168) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.SmtFunctionsAndAxioms.transferSymbols(SmtFunctionsAndAxioms.java:139) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleTraceCheck.createExternalManagedScript(IpTcStrategyModuleTraceCheck.java:81) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCvc4.constructManagedScript(IpTcStrategyModuleCvc4.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.checkFeasibility(TraceAbstractionRefinementEngine.java:244) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.executeStrategy(TraceAbstractionRefinementEngine.java:160) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.RefinementEngineFactory.runRefinementEngine(RefinementEngineFactory.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) 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:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-15 22:43:40,775 INFO L168 Benchmark]: Toolchain (without parser) took 1931.46 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 117.4 MB). Free memory was 941.6 MB in the beginning and 1.0 GB in the end (delta: -91.7 MB). Peak memory consumption was 25.8 MB. Max. memory is 11.5 GB. [2019-11-15 22:43:40,776 INFO L168 Benchmark]: CDTParser took 0.39 ms. Allocated memory is still 1.0 GB. Free memory is still 972.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 22:43:40,777 INFO L168 Benchmark]: CACSL2BoogieTranslator took 770.33 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 117.4 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -155.9 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2019-11-15 22:43:40,779 INFO L168 Benchmark]: Boogie Preprocessor took 74.73 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-15 22:43:40,781 INFO L168 Benchmark]: RCFGBuilder took 707.67 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 45.1 MB). Peak memory consumption was 45.1 MB. Max. memory is 11.5 GB. [2019-11-15 22:43:40,782 INFO L168 Benchmark]: TraceAbstraction took 373.54 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 12.4 MB). Peak memory consumption was 12.4 MB. Max. memory is 11.5 GB. [2019-11-15 22:43:40,795 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 ms. Allocated memory is still 1.0 GB. Free memory is still 972.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 770.33 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 117.4 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -155.9 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 74.73 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 707.67 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 45.1 MB). Peak memory consumption was 45.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 373.54 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 12.4 MB). Peak memory consumption was 12.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: Sort C_DOUBLE not declared de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: Sort C_DOUBLE not declared: de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:412) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...