./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety/lockfree-3.1.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/working_dir_9dbffae5-17be-4d95-adfc-176a11fec1fe/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9dbffae5-17be-4d95-adfc-176a11fec1fe/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9dbffae5-17be-4d95-adfc-176a11fec1fe/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9dbffae5-17be-4d95-adfc-176a11fec1fe/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/lockfree-3.1.i -s /tmp/vcloud-vcloud-master/worker/working_dir_9dbffae5-17be-4d95-adfc-176a11fec1fe/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9dbffae5-17be-4d95-adfc-176a11fec1fe/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c1eee0363564b6d4551a57eb6d1fbf96320d9c79 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/working_dir_9dbffae5-17be-4d95-adfc-176a11fec1fe/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9dbffae5-17be-4d95-adfc-176a11fec1fe/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9dbffae5-17be-4d95-adfc-176a11fec1fe/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9dbffae5-17be-4d95-adfc-176a11fec1fe/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/lockfree-3.1.i -s /tmp/vcloud-vcloud-master/worker/working_dir_9dbffae5-17be-4d95-adfc-176a11fec1fe/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9dbffae5-17be-4d95-adfc-176a11fec1fe/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c1eee0363564b6d4551a57eb6d1fbf96320d9c79 ...................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: Sort FloatRoundingMode not declared --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 11:23:16,743 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:23:16,745 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:23:16,756 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:23:16,756 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:23:16,757 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:23:16,758 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:23:16,760 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:23:16,761 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:23:16,762 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:23:16,763 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:23:16,764 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:23:16,764 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:23:16,765 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:23:16,766 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:23:16,767 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:23:16,768 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:23:16,769 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:23:16,770 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:23:16,772 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:23:16,774 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:23:16,775 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:23:16,776 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:23:16,777 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:23:16,779 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:23:16,779 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:23:16,779 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:23:16,780 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:23:16,781 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:23:16,782 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:23:16,782 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:23:16,783 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:23:16,784 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:23:16,784 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:23:16,785 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:23:16,786 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:23:16,786 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:23:16,787 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:23:16,787 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:23:16,787 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:23:16,788 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:23:16,789 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9dbffae5-17be-4d95-adfc-176a11fec1fe/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2019-10-22 11:23:16,803 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:23:16,803 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:23:16,804 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:23:16,805 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:23:16,805 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:23:16,805 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:23:16,805 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:23:16,806 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:23:16,806 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:23:16,806 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:23:16,806 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:23:16,807 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:23:16,807 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 11:23:16,807 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 11:23:16,808 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:23:16,808 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:23:16,808 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 11:23:16,809 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:23:16,809 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:23:16,809 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:23:16,809 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-10-22 11:23:16,810 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-10-22 11:23:16,810 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-10-22 11:23:16,810 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:23:16,810 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:23:16,811 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:23:16,811 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:23:16,811 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:23:16,812 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:23:16,812 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:23:16,812 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:23:16,812 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:23:16,813 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:23:16,813 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:23:16,813 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:23:16,813 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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/working_dir_9dbffae5-17be-4d95-adfc-176a11fec1fe/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c1eee0363564b6d4551a57eb6d1fbf96320d9c79 [2019-10-22 11:23:16,842 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:23:16,854 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:23:16,858 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:23:16,859 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:23:16,860 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:23:16,860 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9dbffae5-17be-4d95-adfc-176a11fec1fe/bin/utaipan/../../sv-benchmarks/c/memsafety/lockfree-3.1.i [2019-10-22 11:23:16,914 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9dbffae5-17be-4d95-adfc-176a11fec1fe/bin/utaipan/data/74ca39183/55ef1fd0acb848d695305d0888dc52e9/FLAGd3a4cbd0b [2019-10-22 11:23:17,364 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:23:17,365 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9dbffae5-17be-4d95-adfc-176a11fec1fe/sv-benchmarks/c/memsafety/lockfree-3.1.i [2019-10-22 11:23:17,375 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9dbffae5-17be-4d95-adfc-176a11fec1fe/bin/utaipan/data/74ca39183/55ef1fd0acb848d695305d0888dc52e9/FLAGd3a4cbd0b [2019-10-22 11:23:17,695 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9dbffae5-17be-4d95-adfc-176a11fec1fe/bin/utaipan/data/74ca39183/55ef1fd0acb848d695305d0888dc52e9 [2019-10-22 11:23:17,697 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:23:17,698 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:23:17,699 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:23:17,699 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:23:17,702 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:23:17,703 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:23:17" (1/1) ... [2019-10-22 11:23:17,705 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16d9c2b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:17, skipping insertion in model container [2019-10-22 11:23:17,705 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:23:17" (1/1) ... [2019-10-22 11:23:17,709 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:23:17,743 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:23:18,045 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:23:18,053 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:23:18,122 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:23:18,182 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:23:18,182 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:18 WrapperNode [2019-10-22 11:23:18,182 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:23:18,183 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:23:18,183 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:23:18,183 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:23:18,191 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:18" (1/1) ... [2019-10-22 11:23:18,205 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:18" (1/1) ... [2019-10-22 11:23:18,229 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:23:18,229 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:23:18,230 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:23:18,230 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:23:18,239 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:18" (1/1) ... [2019-10-22 11:23:18,240 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:18" (1/1) ... [2019-10-22 11:23:18,244 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:18" (1/1) ... [2019-10-22 11:23:18,244 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:18" (1/1) ... [2019-10-22 11:23:18,252 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:18" (1/1) ... [2019-10-22 11:23:18,258 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:18" (1/1) ... [2019-10-22 11:23:18,259 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:18" (1/1) ... [2019-10-22 11:23:18,262 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:23:18,263 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:23:18,263 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:23:18,263 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:23:18,264 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9dbffae5-17be-4d95-adfc-176a11fec1fe/bin/utaipan/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 [2019-10-22 11:23:18,324 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-22 11:23:18,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-22 11:23:18,325 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-22 11:23:18,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-22 11:23:18,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-22 11:23:18,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 11:23:18,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:23:18,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:23:18,763 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:23:18,764 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-10-22 11:23:18,765 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:23:18 BoogieIcfgContainer [2019-10-22 11:23:18,765 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:23:18,766 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:23:18,766 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:23:18,768 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:23:18,769 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:23:17" (1/3) ... [2019-10-22 11:23:18,770 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56add81d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:23:18, skipping insertion in model container [2019-10-22 11:23:18,770 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:18" (2/3) ... [2019-10-22 11:23:18,770 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56add81d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:23:18, skipping insertion in model container [2019-10-22 11:23:18,770 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:23:18" (3/3) ... [2019-10-22 11:23:18,772 INFO L109 eAbstractionObserver]: Analyzing ICFG lockfree-3.1.i [2019-10-22 11:23:18,781 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:23:18,788 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 20 error locations. [2019-10-22 11:23:18,801 INFO L249 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2019-10-22 11:23:18,827 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:23:18,828 INFO L374 AbstractCegarLoop]: Hoare is false [2019-10-22 11:23:18,828 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:23:18,828 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:23:18,828 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:23:18,828 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:23:18,828 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:23:18,829 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:23:18,848 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states. [2019-10-22 11:23:18,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-10-22 11:23:18,856 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:18,857 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-10-22 11:23:18,858 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION]=== [2019-10-22 11:23:18,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:18,863 INFO L82 PathProgramCache]: Analyzing trace with hash 28817120, now seen corresponding path program 1 times [2019-10-22 11:23:18,870 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:18,870 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607628441] [2019-10-22 11:23:18,871 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:18,871 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:18,871 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:18,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:18,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:23:18,977 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607628441] [2019-10-22 11:23:18,978 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:18,978 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:23:18,979 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698120933] [2019-10-22 11:23:18,983 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 11:23:18,985 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:19,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 11:23:19,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 11:23:19,002 INFO L87 Difference]: Start difference. First operand 62 states. Second operand 2 states. [2019-10-22 11:23:19,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:19,019 INFO L93 Difference]: Finished difference Result 62 states and 79 transitions. [2019-10-22 11:23:19,019 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 11:23:19,020 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 5 [2019-10-22 11:23:19,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:19,031 INFO L225 Difference]: With dead ends: 62 [2019-10-22 11:23:19,031 INFO L226 Difference]: Without dead ends: 60 [2019-10-22 11:23:19,033 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 11:23:19,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2019-10-22 11:23:19,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2019-10-22 11:23:19,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2019-10-22 11:23:19,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 77 transitions. [2019-10-22 11:23:19,071 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 77 transitions. Word has length 5 [2019-10-22 11:23:19,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:19,071 INFO L462 AbstractCegarLoop]: Abstraction has 60 states and 77 transitions. [2019-10-22 11:23:19,071 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 11:23:19,071 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 77 transitions. [2019-10-22 11:23:19,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-10-22 11:23:19,072 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:19,072 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:23:19,073 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION]=== [2019-10-22 11:23:19,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:19,073 INFO L82 PathProgramCache]: Analyzing trace with hash 1806850988, now seen corresponding path program 1 times [2019-10-22 11:23:19,073 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:19,074 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064553134] [2019-10-22 11:23:19,074 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:19,074 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:19,074 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:19,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:19,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:23:19,108 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064553134] [2019-10-22 11:23:19,108 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:19,108 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:23:19,109 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597538995] [2019-10-22 11:23:19,110 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:23:19,110 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:19,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:23:19,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:23:19,111 INFO L87 Difference]: Start difference. First operand 60 states and 77 transitions. Second operand 3 states. [2019-10-22 11:23:19,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:19,129 INFO L93 Difference]: Finished difference Result 61 states and 78 transitions. [2019-10-22 11:23:19,129 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:23:19,130 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2019-10-22 11:23:19,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:19,131 INFO L225 Difference]: With dead ends: 61 [2019-10-22 11:23:19,131 INFO L226 Difference]: Without dead ends: 61 [2019-10-22 11:23:19,132 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:23:19,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2019-10-22 11:23:19,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2019-10-22 11:23:19,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2019-10-22 11:23:19,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 78 transitions. [2019-10-22 11:23:19,138 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 78 transitions. Word has length 7 [2019-10-22 11:23:19,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:19,138 INFO L462 AbstractCegarLoop]: Abstraction has 61 states and 78 transitions. [2019-10-22 11:23:19,138 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:23:19,139 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 78 transitions. [2019-10-22 11:23:19,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-10-22 11:23:19,139 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:19,139 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:23:19,140 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION]=== [2019-10-22 11:23:19,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:19,140 INFO L82 PathProgramCache]: Analyzing trace with hash 1806910570, now seen corresponding path program 1 times [2019-10-22 11:23:19,140 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:19,140 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655073669] [2019-10-22 11:23:19,141 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:19,141 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:19,141 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:19,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:19,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:23:19,173 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1655073669] [2019-10-22 11:23:19,174 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:19,174 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:23:19,174 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863613919] [2019-10-22 11:23:19,174 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:23:19,175 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:19,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:23:19,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:23:19,175 INFO L87 Difference]: Start difference. First operand 61 states and 78 transitions. Second operand 3 states. [2019-10-22 11:23:19,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:19,209 INFO L93 Difference]: Finished difference Result 107 states and 141 transitions. [2019-10-22 11:23:19,210 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:23:19,210 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2019-10-22 11:23:19,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:19,211 INFO L225 Difference]: With dead ends: 107 [2019-10-22 11:23:19,211 INFO L226 Difference]: Without dead ends: 107 [2019-10-22 11:23:19,212 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:23:19,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2019-10-22 11:23:19,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 89. [2019-10-22 11:23:19,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2019-10-22 11:23:19,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 133 transitions. [2019-10-22 11:23:19,219 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 133 transitions. Word has length 7 [2019-10-22 11:23:19,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:19,219 INFO L462 AbstractCegarLoop]: Abstraction has 89 states and 133 transitions. [2019-10-22 11:23:19,219 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:23:19,219 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 133 transitions. [2019-10-22 11:23:19,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-10-22 11:23:19,220 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:19,220 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:23:19,221 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION]=== [2019-10-22 11:23:19,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:19,221 INFO L82 PathProgramCache]: Analyzing trace with hash 177749355, now seen corresponding path program 1 times [2019-10-22 11:23:19,221 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:19,221 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775223381] [2019-10-22 11:23:19,221 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:19,222 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:19,222 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:19,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:19,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:23:19,269 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1775223381] [2019-10-22 11:23:19,269 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:19,269 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:23:19,269 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418090451] [2019-10-22 11:23:19,270 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:23:19,270 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:19,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:23:19,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:23:19,271 INFO L87 Difference]: Start difference. First operand 89 states and 133 transitions. Second operand 4 states. [2019-10-22 11:23:19,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:19,337 INFO L93 Difference]: Finished difference Result 97 states and 142 transitions. [2019-10-22 11:23:19,340 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 11:23:19,340 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2019-10-22 11:23:19,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:19,341 INFO L225 Difference]: With dead ends: 97 [2019-10-22 11:23:19,341 INFO L226 Difference]: Without dead ends: 97 [2019-10-22 11:23:19,341 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:23:19,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2019-10-22 11:23:19,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 91. [2019-10-22 11:23:19,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2019-10-22 11:23:19,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 135 transitions. [2019-10-22 11:23:19,358 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 135 transitions. Word has length 8 [2019-10-22 11:23:19,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:19,358 INFO L462 AbstractCegarLoop]: Abstraction has 91 states and 135 transitions. [2019-10-22 11:23:19,358 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:23:19,358 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 135 transitions. [2019-10-22 11:23:19,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-10-22 11:23:19,359 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:19,359 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:23:19,359 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION]=== [2019-10-22 11:23:19,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:19,360 INFO L82 PathProgramCache]: Analyzing trace with hash 179651426, now seen corresponding path program 1 times [2019-10-22 11:23:19,360 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:19,360 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022126265] [2019-10-22 11:23:19,360 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:19,360 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:19,360 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:19,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:19,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:23:19,429 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2022126265] [2019-10-22 11:23:19,429 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:19,429 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:23:19,429 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517777343] [2019-10-22 11:23:19,430 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:23:19,430 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:19,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:23:19,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:23:19,431 INFO L87 Difference]: Start difference. First operand 91 states and 135 transitions. Second operand 3 states. [2019-10-22 11:23:19,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:19,508 INFO L93 Difference]: Finished difference Result 169 states and 253 transitions. [2019-10-22 11:23:19,508 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:23:19,509 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2019-10-22 11:23:19,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:19,510 INFO L225 Difference]: With dead ends: 169 [2019-10-22 11:23:19,510 INFO L226 Difference]: Without dead ends: 166 [2019-10-22 11:23:19,511 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:23:19,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2019-10-22 11:23:19,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 145. [2019-10-22 11:23:19,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2019-10-22 11:23:19,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 238 transitions. [2019-10-22 11:23:19,522 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 238 transitions. Word has length 8 [2019-10-22 11:23:19,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:19,522 INFO L462 AbstractCegarLoop]: Abstraction has 145 states and 238 transitions. [2019-10-22 11:23:19,523 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:23:19,523 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 238 transitions. [2019-10-22 11:23:19,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-10-22 11:23:19,523 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:19,523 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:23:19,524 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION]=== [2019-10-22 11:23:19,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:19,524 INFO L82 PathProgramCache]: Analyzing trace with hash 179596397, now seen corresponding path program 1 times [2019-10-22 11:23:19,524 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:19,524 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933730605] [2019-10-22 11:23:19,525 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:19,525 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:19,525 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:19,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:19,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:23:19,568 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933730605] [2019-10-22 11:23:19,569 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:19,569 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:23:19,569 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468355165] [2019-10-22 11:23:19,569 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:23:19,570 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:19,570 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:23:19,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:23:19,570 INFO L87 Difference]: Start difference. First operand 145 states and 238 transitions. Second operand 3 states. [2019-10-22 11:23:19,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:19,646 INFO L93 Difference]: Finished difference Result 217 states and 342 transitions. [2019-10-22 11:23:19,647 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:23:19,647 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2019-10-22 11:23:19,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:19,648 INFO L225 Difference]: With dead ends: 217 [2019-10-22 11:23:19,648 INFO L226 Difference]: Without dead ends: 217 [2019-10-22 11:23:19,649 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:23:19,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2019-10-22 11:23:19,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 196. [2019-10-22 11:23:19,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 196 states. [2019-10-22 11:23:19,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 328 transitions. [2019-10-22 11:23:19,661 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 328 transitions. Word has length 8 [2019-10-22 11:23:19,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:19,662 INFO L462 AbstractCegarLoop]: Abstraction has 196 states and 328 transitions. [2019-10-22 11:23:19,662 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:23:19,662 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 328 transitions. [2019-10-22 11:23:19,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-10-22 11:23:19,662 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:19,662 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:23:19,663 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION]=== [2019-10-22 11:23:19,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:19,663 INFO L82 PathProgramCache]: Analyzing trace with hash 179596398, now seen corresponding path program 1 times [2019-10-22 11:23:19,663 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:19,663 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730419460] [2019-10-22 11:23:19,663 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:19,663 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:19,664 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:19,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:19,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:23:19,696 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730419460] [2019-10-22 11:23:19,696 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:19,696 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:23:19,697 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208596827] [2019-10-22 11:23:19,697 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:23:19,697 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:19,697 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:23:19,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:23:19,698 INFO L87 Difference]: Start difference. First operand 196 states and 328 transitions. Second operand 3 states. [2019-10-22 11:23:19,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:19,746 INFO L93 Difference]: Finished difference Result 212 states and 333 transitions. [2019-10-22 11:23:19,746 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:23:19,746 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2019-10-22 11:23:19,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:19,747 INFO L225 Difference]: With dead ends: 212 [2019-10-22 11:23:19,748 INFO L226 Difference]: Without dead ends: 212 [2019-10-22 11:23:19,748 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:23:19,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2019-10-22 11:23:19,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 194. [2019-10-22 11:23:19,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 194 states. [2019-10-22 11:23:19,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 320 transitions. [2019-10-22 11:23:19,756 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 320 transitions. Word has length 8 [2019-10-22 11:23:19,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:19,756 INFO L462 AbstractCegarLoop]: Abstraction has 194 states and 320 transitions. [2019-10-22 11:23:19,756 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:23:19,756 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 320 transitions. [2019-10-22 11:23:19,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-10-22 11:23:19,757 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:19,757 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:23:19,757 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION]=== [2019-10-22 11:23:19,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:19,757 INFO L82 PathProgramCache]: Analyzing trace with hash 1272529015, now seen corresponding path program 1 times [2019-10-22 11:23:19,757 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:19,758 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450911579] [2019-10-22 11:23:19,758 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:19,758 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:19,758 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:19,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:19,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:23:19,788 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450911579] [2019-10-22 11:23:19,789 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:19,789 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 11:23:19,789 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464028900] [2019-10-22 11:23:19,789 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 11:23:19,789 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:19,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 11:23:19,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-10-22 11:23:19,790 INFO L87 Difference]: Start difference. First operand 194 states and 320 transitions. Second operand 6 states. [2019-10-22 11:23:19,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:19,847 INFO L93 Difference]: Finished difference Result 417 states and 647 transitions. [2019-10-22 11:23:19,847 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 11:23:19,848 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 9 [2019-10-22 11:23:19,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:19,849 INFO L225 Difference]: With dead ends: 417 [2019-10-22 11:23:19,849 INFO L226 Difference]: Without dead ends: 417 [2019-10-22 11:23:19,850 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-10-22 11:23:19,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2019-10-22 11:23:19,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 330. [2019-10-22 11:23:19,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 330 states. [2019-10-22 11:23:19,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 544 transitions. [2019-10-22 11:23:19,867 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 544 transitions. Word has length 9 [2019-10-22 11:23:19,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:19,867 INFO L462 AbstractCegarLoop]: Abstraction has 330 states and 544 transitions. [2019-10-22 11:23:19,867 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 11:23:19,867 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 544 transitions. [2019-10-22 11:23:19,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-10-22 11:23:19,868 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:19,868 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:23:19,868 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION]=== [2019-10-22 11:23:19,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:19,869 INFO L82 PathProgramCache]: Analyzing trace with hash 844095278, now seen corresponding path program 1 times [2019-10-22 11:23:19,869 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:19,869 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042835653] [2019-10-22 11:23:19,869 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:19,869 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:19,869 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:19,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:19,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:23:19,911 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042835653] [2019-10-22 11:23:19,911 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:19,911 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 11:23:19,912 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133763278] [2019-10-22 11:23:19,912 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 11:23:19,912 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:19,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 11:23:19,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-10-22 11:23:19,913 INFO L87 Difference]: Start difference. First operand 330 states and 544 transitions. Second operand 6 states. [2019-10-22 11:23:19,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:19,974 INFO L93 Difference]: Finished difference Result 754 states and 1156 transitions. [2019-10-22 11:23:19,974 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 11:23:19,975 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 10 [2019-10-22 11:23:19,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:19,977 INFO L225 Difference]: With dead ends: 754 [2019-10-22 11:23:19,978 INFO L226 Difference]: Without dead ends: 754 [2019-10-22 11:23:19,978 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-10-22 11:23:19,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 754 states. [2019-10-22 11:23:19,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 754 to 546. [2019-10-22 11:23:19,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 546 states. [2019-10-22 11:23:19,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 546 states and 864 transitions. [2019-10-22 11:23:19,994 INFO L78 Accepts]: Start accepts. Automaton has 546 states and 864 transitions. Word has length 10 [2019-10-22 11:23:19,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:19,995 INFO L462 AbstractCegarLoop]: Abstraction has 546 states and 864 transitions. [2019-10-22 11:23:19,995 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 11:23:19,995 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 864 transitions. [2019-10-22 11:23:19,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-10-22 11:23:19,995 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:19,996 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:23:19,996 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION]=== [2019-10-22 11:23:19,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:19,997 INFO L82 PathProgramCache]: Analyzing trace with hash -359933169, now seen corresponding path program 1 times [2019-10-22 11:23:19,997 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:19,997 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684431312] [2019-10-22 11:23:19,998 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:19,998 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:19,998 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:20,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:20,074 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:23:20,074 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684431312] [2019-10-22 11:23:20,075 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:20,075 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 11:23:20,075 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034174901] [2019-10-22 11:23:20,075 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:23:20,075 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:20,075 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:23:20,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:23:20,076 INFO L87 Difference]: Start difference. First operand 546 states and 864 transitions. Second operand 5 states. [2019-10-22 11:23:20,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:20,133 INFO L93 Difference]: Finished difference Result 834 states and 1334 transitions. [2019-10-22 11:23:20,133 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 11:23:20,133 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2019-10-22 11:23:20,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:20,137 INFO L225 Difference]: With dead ends: 834 [2019-10-22 11:23:20,137 INFO L226 Difference]: Without dead ends: 834 [2019-10-22 11:23:20,137 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-10-22 11:23:20,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 834 states. [2019-10-22 11:23:20,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 834 to 816. [2019-10-22 11:23:20,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 816 states. [2019-10-22 11:23:20,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 816 states and 1326 transitions. [2019-10-22 11:23:20,155 INFO L78 Accepts]: Start accepts. Automaton has 816 states and 1326 transitions. Word has length 15 [2019-10-22 11:23:20,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:20,156 INFO L462 AbstractCegarLoop]: Abstraction has 816 states and 1326 transitions. [2019-10-22 11:23:20,156 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:23:20,156 INFO L276 IsEmpty]: Start isEmpty. Operand 816 states and 1326 transitions. [2019-10-22 11:23:20,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-10-22 11:23:20,158 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:20,158 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:23:20,159 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION]=== [2019-10-22 11:23:20,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:20,159 INFO L82 PathProgramCache]: Analyzing trace with hash 1076944598, now seen corresponding path program 1 times [2019-10-22 11:23:20,159 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:20,159 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419406809] [2019-10-22 11:23:20,160 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:20,160 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:20,160 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:20,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:20,214 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:23:20,214 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419406809] [2019-10-22 11:23:20,215 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [759917889] [2019-10-22 11:23:20,215 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9dbffae5-17be-4d95-adfc-176a11fec1fe/bin/utaipan/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 [2019-10-22 11:23:20,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:20,268 INFO L256 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 7 conjunts are in the unsatisfiable core [2019-10-22 11:23:20,273 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:23:20,312 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:23:20,313 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:23:20,316 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:23:20,317 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:23:20,345 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:23:20,345 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [957100830] [2019-10-22 11:23:20,351 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 16 [2019-10-22 11:23:20,387 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2019-10-22 11:23:20,387 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-22 11:23:20,676 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 11:23:20,677 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: inappropriate decl info IMPLEMENTATION at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Boogie2SmtSymbolTable.getBoogieVar(Boogie2SmtSymbolTable.java:222) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalStatementProcessor.getBoogieVar(NonrelationalStatementProcessor.java:348) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalStatementProcessor.handleHavocStatement(NonrelationalStatementProcessor.java:325) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalStatementProcessor.processStatement(NonrelationalStatementProcessor.java:159) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalStatementProcessor.process(NonrelationalStatementProcessor.java:138) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalStatementProcessor.process(NonrelationalStatementProcessor.java:107) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalPostOperator.handleInternalTransition(NonrelationalPostOperator.java:422) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalPostOperator.handleInternalTransition(NonrelationalPostOperator.java:413) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalPostOperator.apply(NonrelationalPostOperator.java:140) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalPostOperator.apply(NonrelationalPostOperator.java:1) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.compound.CompoundDomainPostOperator.applyInternally(CompoundDomainPostOperator.java:306) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.compound.CompoundDomainPostOperator.apply(CompoundDomainPostOperator.java:131) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.compound.CompoundDomainPostOperator.apply(CompoundDomainPostOperator.java:1) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.PoormanCachedPostOperation.restoreOriginalStateVariables(PoormanCachedPostOperation.java:322) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.PoormansAbstractPostOperator.applyPost(PoormansAbstractPostOperator.java:217) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.PoormansAbstractPostOperator.apply(PoormansAbstractPostOperator.java:120) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.PoormansAbstractPostOperator.apply(PoormansAbstractPostOperator.java:1) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.absint.DisjunctiveAbstractState.lambda$17(DisjunctiveAbstractState.java:323) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.absint.DisjunctiveAbstractState.mapCollection(DisjunctiveAbstractState.java:519) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.absint.DisjunctiveAbstractState.apply(DisjunctiveAbstractState.java:323) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.algorithm.FixpointEngine.calculateAbstractPost(FixpointEngine.java:249) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.algorithm.FixpointEngine.calculateFixpoint(FixpointEngine.java:134) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.algorithm.FixpointEngine.run(FixpointEngine.java:105) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.tool.AbstractInterpreter.runWithoutTimeoutAndResults(AbstractInterpreter.java:149) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarAbsIntRunner.generateFixpoints(CegarAbsIntRunner.java:227) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarAbsIntRunner.(CegarAbsIntRunner.java:158) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleAbstractInterpretation.getOrConstructRunner(IpTcStrategyModuleAbstractInterpretation.java:74) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleAbstractInterpretation.construct(IpTcStrategyModuleAbstractInterpretation.java:81) 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.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:299) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.generateProof(TraceAbstractionRefinementEngine.java:184) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.executeStrategy(TraceAbstractionRefinementEngine.java:174) 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) [2019-10-22 11:23:20,682 INFO L168 Benchmark]: Toolchain (without parser) took 2983.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.1 MB). Free memory was 943.1 MB in the beginning and 908.3 MB in the end (delta: 34.9 MB). Peak memory consumption was 199.0 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:20,683 INFO L168 Benchmark]: CDTParser took 0.39 ms. Allocated memory is still 1.0 GB. Free memory is still 966.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:23:20,683 INFO L168 Benchmark]: CACSL2BoogieTranslator took 483.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.1 MB). Free memory was 943.1 MB in the beginning and 1.1 GB in the end (delta: -197.7 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:20,684 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.06 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. [2019-10-22 11:23:20,684 INFO L168 Benchmark]: Boogie Preprocessor took 33.24 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. [2019-10-22 11:23:20,684 INFO L168 Benchmark]: RCFGBuilder took 502.18 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: 35.6 MB). Peak memory consumption was 35.6 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:20,697 INFO L168 Benchmark]: TraceAbstraction took 1914.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 908.3 MB in the end (delta: 197.0 MB). Peak memory consumption was 197.0 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:20,705 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 966.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 483.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.1 MB). Free memory was 943.1 MB in the beginning and 1.1 GB in the end (delta: -197.7 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 46.06 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. * Boogie Preprocessor took 33.24 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 502.18 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: 35.6 MB). Peak memory consumption was 35.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1914.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 908.3 MB in the end (delta: 197.0 MB). Peak memory consumption was 197.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: inappropriate decl info IMPLEMENTATION de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: inappropriate decl info IMPLEMENTATION: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Boogie2SmtSymbolTable.getBoogieVar(Boogie2SmtSymbolTable.java:222) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-cad4683 [2019-10-22 11:23:22,927 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:23:22,928 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:23:22,936 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:23:22,936 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:23:22,937 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:23:22,938 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:23:22,939 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:23:22,940 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:23:22,941 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:23:22,941 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:23:22,942 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:23:22,942 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:23:22,943 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:23:22,944 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:23:22,944 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:23:22,945 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:23:22,946 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:23:22,947 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:23:22,948 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:23:22,949 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:23:22,950 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:23:22,951 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:23:22,951 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:23:22,953 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:23:22,953 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:23:22,954 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:23:22,954 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:23:22,955 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:23:22,955 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:23:22,956 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:23:22,956 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:23:22,957 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:23:22,957 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:23:22,958 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:23:22,958 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:23:22,959 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:23:22,959 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:23:22,959 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:23:22,960 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:23:22,960 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:23:22,961 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9dbffae5-17be-4d95-adfc-176a11fec1fe/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2019-10-22 11:23:22,972 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:23:22,972 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:23:22,972 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:23:22,973 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:23:22,973 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:23:22,973 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:23:22,973 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:23:22,973 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:23:22,973 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:23:22,974 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 11:23:22,974 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 11:23:22,974 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:23:22,974 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:23:22,974 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 11:23:22,975 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:23:22,975 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:23:22,975 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:23:22,975 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-10-22 11:23:22,975 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-10-22 11:23:22,975 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-10-22 11:23:22,975 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:23:22,976 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-10-22 11:23:22,976 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-10-22 11:23:22,976 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:23:22,976 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 11:23:22,976 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:23:22,976 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:23:22,977 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:23:22,977 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:23:22,977 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:23:22,977 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:23:22,977 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:23:22,977 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-10-22 11:23:22,978 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-10-22 11:23:22,978 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:23:22,978 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/working_dir_9dbffae5-17be-4d95-adfc-176a11fec1fe/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c1eee0363564b6d4551a57eb6d1fbf96320d9c79 [2019-10-22 11:23:23,002 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:23:23,011 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:23:23,014 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:23:23,015 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:23:23,015 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:23:23,016 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9dbffae5-17be-4d95-adfc-176a11fec1fe/bin/utaipan/../../sv-benchmarks/c/memsafety/lockfree-3.1.i [2019-10-22 11:23:23,074 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9dbffae5-17be-4d95-adfc-176a11fec1fe/bin/utaipan/data/65a3edffd/e9578f694b2d48f58bb66e47c2775158/FLAG0cbad3d67 [2019-10-22 11:23:23,508 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:23:23,509 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9dbffae5-17be-4d95-adfc-176a11fec1fe/sv-benchmarks/c/memsafety/lockfree-3.1.i [2019-10-22 11:23:23,520 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9dbffae5-17be-4d95-adfc-176a11fec1fe/bin/utaipan/data/65a3edffd/e9578f694b2d48f58bb66e47c2775158/FLAG0cbad3d67 [2019-10-22 11:23:23,535 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9dbffae5-17be-4d95-adfc-176a11fec1fe/bin/utaipan/data/65a3edffd/e9578f694b2d48f58bb66e47c2775158 [2019-10-22 11:23:23,537 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:23:23,538 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:23:23,541 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:23:23,541 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:23:23,547 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:23:23,548 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:23:23" (1/1) ... [2019-10-22 11:23:23,550 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22d7a225 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:23, skipping insertion in model container [2019-10-22 11:23:23,551 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:23:23" (1/1) ... [2019-10-22 11:23:23,558 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:23:23,597 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:23:23,954 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:23:23,968 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:23:24,032 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:23:24,084 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:23:24,084 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:24 WrapperNode [2019-10-22 11:23:24,084 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:23:24,085 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:23:24,085 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:23:24,085 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:23:24,090 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:24" (1/1) ... [2019-10-22 11:23:24,104 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:24" (1/1) ... [2019-10-22 11:23:24,123 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:23:24,123 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:23:24,124 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:23:24,124 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:23:24,132 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:24" (1/1) ... [2019-10-22 11:23:24,132 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:24" (1/1) ... [2019-10-22 11:23:24,135 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:24" (1/1) ... [2019-10-22 11:23:24,136 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:24" (1/1) ... [2019-10-22 11:23:24,144 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:24" (1/1) ... [2019-10-22 11:23:24,148 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:24" (1/1) ... [2019-10-22 11:23:24,150 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:24" (1/1) ... [2019-10-22 11:23:24,152 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:23:24,153 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:23:24,153 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:23:24,153 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:23:24,154 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9dbffae5-17be-4d95-adfc-176a11fec1fe/bin/utaipan/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 [2019-10-22 11:23:24,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-10-22 11:23:24,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-22 11:23:24,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-22 11:23:24,205 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-22 11:23:24,205 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 11:23:24,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-10-22 11:23:24,205 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:23:24,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:23:24,709 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:23:24,710 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-10-22 11:23:24,711 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:23:24 BoogieIcfgContainer [2019-10-22 11:23:24,711 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:23:24,712 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:23:24,712 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:23:24,716 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:23:24,716 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:23:23" (1/3) ... [2019-10-22 11:23:24,717 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ab963a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:23:24, skipping insertion in model container [2019-10-22 11:23:24,717 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:24" (2/3) ... [2019-10-22 11:23:24,718 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ab963a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:23:24, skipping insertion in model container [2019-10-22 11:23:24,718 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:23:24" (3/3) ... [2019-10-22 11:23:24,719 INFO L109 eAbstractionObserver]: Analyzing ICFG lockfree-3.1.i [2019-10-22 11:23:24,732 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:23:24,744 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 20 error locations. [2019-10-22 11:23:24,756 INFO L249 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2019-10-22 11:23:24,779 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:23:24,780 INFO L374 AbstractCegarLoop]: Hoare is false [2019-10-22 11:23:24,780 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:23:24,780 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:23:24,780 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:23:24,780 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:23:24,780 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:23:24,781 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:23:24,802 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states. [2019-10-22 11:23:24,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-10-22 11:23:24,813 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:24,814 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-10-22 11:23:24,816 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION]=== [2019-10-22 11:23:24,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:24,825 INFO L82 PathProgramCache]: Analyzing trace with hash 28701576, now seen corresponding path program 1 times [2019-10-22 11:23:24,837 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:23:24,837 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [399861522] [2019-10-22 11:23:24,838 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9dbffae5-17be-4d95-adfc-176a11fec1fe/bin/utaipan/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 [2019-10-22 11:23:25,100 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:23:25,100 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Sort FloatRoundingMode 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) [2019-10-22 11:23:25,106 INFO L168 Benchmark]: Toolchain (without parser) took 1566.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 168.8 MB). Free memory was 945.6 MB in the beginning and 1.1 GB in the end (delta: -144.4 MB). Peak memory consumption was 24.4 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:25,106 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:23:25,107 INFO L168 Benchmark]: CACSL2BoogieTranslator took 543.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 168.8 MB). Free memory was 945.6 MB in the beginning and 1.1 GB in the end (delta: -203.0 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:25,108 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.34 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:25,108 INFO L168 Benchmark]: Boogie Preprocessor took 29.07 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. [2019-10-22 11:23:25,110 INFO L168 Benchmark]: RCFGBuilder took 558.34 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: 32.0 MB). Peak memory consumption was 32.0 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:25,111 INFO L168 Benchmark]: TraceAbstraction took 391.34 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: 20.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:25,115 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 543.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 168.8 MB). Free memory was 945.6 MB in the beginning and 1.1 GB in the end (delta: -203.0 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 38.34 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.07 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 558.34 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: 32.0 MB). Peak memory consumption was 32.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 391.34 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: 20.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: Sort FloatRoundingMode not declared de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: Sort FloatRoundingMode 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...