./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-ext-properties/test-0019_1-1.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/run_dir_aa39808b-9b62-4ed9-a946-b8789c31ed92/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_aa39808b-9b62-4ed9-a946-b8789c31ed92/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_aa39808b-9b62-4ed9-a946-b8789c31ed92/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_aa39808b-9b62-4ed9-a946-b8789c31ed92/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-ext-properties/test-0019_1-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_aa39808b-9b62-4ed9-a946-b8789c31ed92/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_aa39808b-9b62-4ed9-a946-b8789c31ed92/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash eb5e103dbe59a250cbe01613b667895523582d5d ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_aa39808b-9b62-4ed9-a946-b8789c31ed92/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_aa39808b-9b62-4ed9-a946-b8789c31ed92/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_aa39808b-9b62-4ed9-a946-b8789c31ed92/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_aa39808b-9b62-4ed9-a946-b8789c31ed92/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-ext-properties/test-0019_1-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_aa39808b-9b62-4ed9-a946-b8789c31ed92/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_aa39808b-9b62-4ed9-a946-b8789c31ed92/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash eb5e103dbe59a250cbe01613b667895523582d5d .................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: Sort C_DOUBLE not declared --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-15 22:46:00,359 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 22:46:00,361 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 22:46:00,374 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 22:46:00,375 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 22:46:00,376 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 22:46:00,377 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 22:46:00,386 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 22:46:00,390 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 22:46:00,394 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 22:46:00,395 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 22:46:00,396 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 22:46:00,396 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 22:46:00,398 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 22:46:00,399 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 22:46:00,400 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 22:46:00,400 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 22:46:00,401 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 22:46:00,403 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 22:46:00,406 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 22:46:00,409 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 22:46:00,410 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 22:46:00,412 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 22:46:00,413 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 22:46:00,417 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 22:46:00,417 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 22:46:00,417 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 22:46:00,420 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 22:46:00,421 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 22:46:00,421 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 22:46:00,421 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 22:46:00,422 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 22:46:00,422 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 22:46:00,423 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 22:46:00,424 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 22:46:00,424 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 22:46:00,425 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 22:46:00,425 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 22:46:00,425 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 22:46:00,426 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 22:46:00,426 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 22:46:00,427 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_aa39808b-9b62-4ed9-a946-b8789c31ed92/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-15 22:46:00,450 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 22:46:00,450 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 22:46:00,451 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 22:46:00,451 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 22:46:00,452 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 22:46:00,452 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 22:46:00,452 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 22:46:00,452 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-15 22:46:00,452 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 22:46:00,453 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 22:46:00,453 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 22:46:00,453 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-15 22:46:00,453 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-15 22:46:00,453 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-15 22:46:00,454 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 22:46:00,454 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 22:46:00,454 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 22:46:00,454 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 22:46:00,454 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 22:46:00,455 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 22:46:00,455 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 22:46:00,455 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 22:46:00,455 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 22:46:00,455 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 22:46:00,456 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 22:46:00,456 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-15 22:46:00,456 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_aa39808b-9b62-4ed9-a946-b8789c31ed92/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eb5e103dbe59a250cbe01613b667895523582d5d [2019-11-15 22:46:00,480 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 22:46:00,489 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 22:46:00,492 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 22:46:00,493 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 22:46:00,493 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 22:46:00,494 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_aa39808b-9b62-4ed9-a946-b8789c31ed92/bin/uautomizer/../../sv-benchmarks/c/list-ext-properties/test-0019_1-1.i [2019-11-15 22:46:00,542 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_aa39808b-9b62-4ed9-a946-b8789c31ed92/bin/uautomizer/data/d27ca5b3b/f10a231d43d34b26a92e90409251a856/FLAGe1c917ce4 [2019-11-15 22:46:00,957 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 22:46:00,957 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_aa39808b-9b62-4ed9-a946-b8789c31ed92/sv-benchmarks/c/list-ext-properties/test-0019_1-1.i [2019-11-15 22:46:00,968 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_aa39808b-9b62-4ed9-a946-b8789c31ed92/bin/uautomizer/data/d27ca5b3b/f10a231d43d34b26a92e90409251a856/FLAGe1c917ce4 [2019-11-15 22:46:01,327 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_aa39808b-9b62-4ed9-a946-b8789c31ed92/bin/uautomizer/data/d27ca5b3b/f10a231d43d34b26a92e90409251a856 [2019-11-15 22:46:01,330 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 22:46:01,331 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-15 22:46:01,332 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 22:46:01,332 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 22:46:01,335 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 22:46:01,336 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:46:01" (1/1) ... [2019-11-15 22:46:01,338 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61d0e4e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:46:01, skipping insertion in model container [2019-11-15 22:46:01,338 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:46:01" (1/1) ... [2019-11-15 22:46:01,345 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 22:46:01,383 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 22:46:01,702 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 22:46:01,710 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 22:46:01,745 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 22:46:01,790 INFO L192 MainTranslator]: Completed translation [2019-11-15 22:46:01,791 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:46:01 WrapperNode [2019-11-15 22:46:01,791 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 22:46:01,791 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 22:46:01,791 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 22:46:01,792 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 22:46:01,803 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:46:01" (1/1) ... [2019-11-15 22:46:01,803 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:46:01" (1/1) ... [2019-11-15 22:46:01,816 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:46:01" (1/1) ... [2019-11-15 22:46:01,817 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:46:01" (1/1) ... [2019-11-15 22:46:01,832 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:46:01" (1/1) ... [2019-11-15 22:46:01,833 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:46:01" (1/1) ... [2019-11-15 22:46:01,836 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:46:01" (1/1) ... [2019-11-15 22:46:01,842 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 22:46:01,842 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 22:46:01,842 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 22:46:01,843 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 22:46:01,843 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:46:01" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aa39808b-9b62-4ed9-a946-b8789c31ed92/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 22:46:01,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-15 22:46:01,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 22:46:01,908 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-15 22:46:01,908 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-15 22:46:01,908 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-15 22:46:01,909 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-15 22:46:01,909 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-15 22:46:01,910 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_data [2019-11-15 22:46:01,910 INFO L138 BoogieDeclarations]: Found implementation of procedure free_data [2019-11-15 22:46:01,910 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-15 22:46:01,911 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-15 22:46:01,911 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-15 22:46:01,912 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-15 22:46:01,912 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-15 22:46:01,912 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-15 22:46:01,912 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-15 22:46:01,912 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-15 22:46:01,913 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-15 22:46:01,914 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-15 22:46:01,914 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-15 22:46:01,915 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-15 22:46:01,915 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-15 22:46:01,915 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-15 22:46:01,915 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-15 22:46:01,915 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-15 22:46:01,915 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-15 22:46:01,915 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-15 22:46:01,916 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-15 22:46:01,916 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-15 22:46:01,916 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-15 22:46:01,916 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-15 22:46:01,916 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-15 22:46:01,917 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-15 22:46:01,917 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-15 22:46:01,917 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-15 22:46:01,917 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-15 22:46:01,917 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-15 22:46:01,917 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-15 22:46:01,917 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-15 22:46:01,917 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-15 22:46:01,918 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-15 22:46:01,918 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-15 22:46:01,918 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-15 22:46:01,918 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-15 22:46:01,918 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-15 22:46:01,918 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-15 22:46:01,918 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-15 22:46:01,918 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-15 22:46:01,919 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-15 22:46:01,919 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-15 22:46:01,919 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-15 22:46:01,919 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-15 22:46:01,919 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-15 22:46:01,919 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-15 22:46:01,919 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-15 22:46:01,920 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-15 22:46:01,920 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-15 22:46:01,920 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-15 22:46:01,920 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-15 22:46:01,920 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-15 22:46:01,920 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-15 22:46:01,921 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-15 22:46:01,921 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-15 22:46:01,921 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-15 22:46:01,921 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-15 22:46:01,921 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-15 22:46:01,921 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-15 22:46:01,921 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-15 22:46:01,921 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-15 22:46:01,922 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-15 22:46:01,922 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-15 22:46:01,922 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-15 22:46:01,923 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-15 22:46:01,923 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-15 22:46:01,923 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-15 22:46:01,923 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-15 22:46:01,924 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-15 22:46:01,924 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-15 22:46:01,925 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-15 22:46:01,925 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-15 22:46:01,925 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-15 22:46:01,925 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-15 22:46:01,925 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-15 22:46:01,925 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-15 22:46:01,925 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-15 22:46:01,925 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-15 22:46:01,926 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-15 22:46:01,926 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-15 22:46:01,926 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-15 22:46:01,926 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-15 22:46:01,927 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-15 22:46:01,927 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-15 22:46:01,927 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-15 22:46:01,927 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-15 22:46:01,927 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-15 22:46:01,927 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-15 22:46:01,927 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-15 22:46:01,928 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-15 22:46:01,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-15 22:46:01,928 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-15 22:46:01,928 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-15 22:46:01,928 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-15 22:46:01,928 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-15 22:46:01,928 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-15 22:46:01,928 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-15 22:46:01,928 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-15 22:46:01,929 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-15 22:46:01,929 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-15 22:46:01,929 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-15 22:46:01,929 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-15 22:46:01,929 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-15 22:46:01,929 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-15 22:46:01,929 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-15 22:46:01,929 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-15 22:46:01,930 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-15 22:46:01,930 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-15 22:46:01,930 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-15 22:46:01,930 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-15 22:46:01,930 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_data [2019-11-15 22:46:01,930 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-15 22:46:01,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-15 22:46:01,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-15 22:46:01,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-15 22:46:01,931 INFO L130 BoogieDeclarations]: Found specification of procedure free_data [2019-11-15 22:46:01,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-15 22:46:01,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-15 22:46:01,932 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-15 22:46:01,932 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-15 22:46:01,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-15 22:46:01,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 22:46:02,456 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 22:46:02,456 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-11-15 22:46:02,457 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:46:02 BoogieIcfgContainer [2019-11-15 22:46:02,457 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 22:46:02,458 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 22:46:02,458 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 22:46:02,460 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 22:46:02,461 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 10:46:01" (1/3) ... [2019-11-15 22:46:02,461 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e2ec335 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 10:46:02, skipping insertion in model container [2019-11-15 22:46:02,462 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:46:01" (2/3) ... [2019-11-15 22:46:02,462 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e2ec335 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 10:46:02, skipping insertion in model container [2019-11-15 22:46:02,462 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:46:02" (3/3) ... [2019-11-15 22:46:02,463 INFO L109 eAbstractionObserver]: Analyzing ICFG test-0019_1-1.i [2019-11-15 22:46:02,472 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 22:46:02,478 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 31 error locations. [2019-11-15 22:46:02,488 INFO L249 AbstractCegarLoop]: Starting to check reachability of 31 error locations. [2019-11-15 22:46:02,514 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 22:46:02,514 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-15 22:46:02,514 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 22:46:02,514 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 22:46:02,514 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 22:46:02,514 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 22:46:02,514 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 22:46:02,515 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 22:46:02,535 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states. [2019-11-15 22:46:02,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-15 22:46:02,544 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:46:02,545 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:46:02,547 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, alloc_dataErr4REQUIRES_VIOLATION, alloc_dataErr5REQUIRES_VIOLATION, alloc_dataErr10REQUIRES_VIOLATION, alloc_dataErr11REQUIRES_VIOLATION, alloc_dataErr0REQUIRES_VIOLATION, alloc_dataErr1REQUIRES_VIOLATION, alloc_dataErr6REQUIRES_VIOLATION, alloc_dataErr7REQUIRES_VIOLATION, alloc_dataErr2REQUIRES_VIOLATION, alloc_dataErr3REQUIRES_VIOLATION, alloc_dataErr8REQUIRES_VIOLATION, alloc_dataErr9REQUIRES_VIOLATION, free_dataErr7REQUIRES_VIOLATION, free_dataErr13ASSERT_VIOLATIONMEMORY_FREE, free_dataErr12ASSERT_VIOLATIONMEMORY_FREE, free_dataErr8ASSERT_VIOLATIONMEMORY_FREE, free_dataErr0REQUIRES_VIOLATION, free_dataErr1REQUIRES_VIOLATION, free_dataErr2REQUIRES_VIOLATION, free_dataErr3REQUIRES_VIOLATION, free_dataErr9ASSERT_VIOLATIONMEMORY_FREE, free_dataErr10ASSERT_VIOLATIONMEMORY_FREE, free_dataErr11ASSERT_VIOLATIONMEMORY_FREE, free_dataErr14REQUIRES_VIOLATION, free_dataErr4REQUIRES_VIOLATION, free_dataErr15REQUIRES_VIOLATION, free_dataErr5REQUIRES_VIOLATION, free_dataErr16REQUIRES_VIOLATION, free_dataErr17REQUIRES_VIOLATION, free_dataErr6REQUIRES_VIOLATION]=== [2019-11-15 22:46:02,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:46:02,552 INFO L82 PathProgramCache]: Analyzing trace with hash 1782233127, now seen corresponding path program 1 times [2019-11-15 22:46:02,560 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:46:02,560 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079588005] [2019-11-15 22:46:02,560 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:46:02,560 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:46:02,561 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:46:02,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:46:02,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:46:02,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:46:02,795 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079588005] [2019-11-15 22:46:02,796 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:46:02,796 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-15 22:46:02,797 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890554774] [2019-11-15 22:46:02,800 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-15 22:46:02,801 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:46:02,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-15 22:46:02,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-15 22:46:02,818 INFO L87 Difference]: Start difference. First operand 74 states. Second operand 6 states. [2019-11-15 22:46:03,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:46:03,198 INFO L93 Difference]: Finished difference Result 79 states and 79 transitions. [2019-11-15 22:46:03,199 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-15 22:46:03,200 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 9 [2019-11-15 22:46:03,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:46:03,209 INFO L225 Difference]: With dead ends: 79 [2019-11-15 22:46:03,209 INFO L226 Difference]: Without dead ends: 76 [2019-11-15 22:46:03,210 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-11-15 22:46:03,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2019-11-15 22:46:03,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 67. [2019-11-15 22:46:03,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2019-11-15 22:46:03,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 67 transitions. [2019-11-15 22:46:03,246 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 67 transitions. Word has length 9 [2019-11-15 22:46:03,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:46:03,246 INFO L462 AbstractCegarLoop]: Abstraction has 67 states and 67 transitions. [2019-11-15 22:46:03,246 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-15 22:46:03,246 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 67 transitions. [2019-11-15 22:46:03,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-15 22:46:03,247 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:46:03,247 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:46:03,247 INFO L410 AbstractCegarLoop]: === Iteration 2 === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, alloc_dataErr4REQUIRES_VIOLATION, alloc_dataErr5REQUIRES_VIOLATION, alloc_dataErr10REQUIRES_VIOLATION, alloc_dataErr11REQUIRES_VIOLATION, alloc_dataErr0REQUIRES_VIOLATION, alloc_dataErr1REQUIRES_VIOLATION, alloc_dataErr6REQUIRES_VIOLATION, alloc_dataErr7REQUIRES_VIOLATION, alloc_dataErr2REQUIRES_VIOLATION, alloc_dataErr3REQUIRES_VIOLATION, alloc_dataErr8REQUIRES_VIOLATION, alloc_dataErr9REQUIRES_VIOLATION, free_dataErr7REQUIRES_VIOLATION, free_dataErr13ASSERT_VIOLATIONMEMORY_FREE, free_dataErr12ASSERT_VIOLATIONMEMORY_FREE, free_dataErr8ASSERT_VIOLATIONMEMORY_FREE, free_dataErr0REQUIRES_VIOLATION, free_dataErr1REQUIRES_VIOLATION, free_dataErr2REQUIRES_VIOLATION, free_dataErr3REQUIRES_VIOLATION, free_dataErr9ASSERT_VIOLATIONMEMORY_FREE, free_dataErr10ASSERT_VIOLATIONMEMORY_FREE, free_dataErr11ASSERT_VIOLATIONMEMORY_FREE, free_dataErr14REQUIRES_VIOLATION, free_dataErr4REQUIRES_VIOLATION, free_dataErr15REQUIRES_VIOLATION, free_dataErr5REQUIRES_VIOLATION, free_dataErr16REQUIRES_VIOLATION, free_dataErr17REQUIRES_VIOLATION, free_dataErr6REQUIRES_VIOLATION]=== [2019-11-15 22:46:03,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:46:03,248 INFO L82 PathProgramCache]: Analyzing trace with hash 1782233128, now seen corresponding path program 1 times [2019-11-15 22:46:03,248 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:46:03,248 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254980679] [2019-11-15 22:46:03,248 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:46:03,249 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:46:03,249 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:46:03,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:46:03,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:46:03,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:46:03,372 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254980679] [2019-11-15 22:46:03,372 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:46:03,372 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-15 22:46:03,373 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296996961] [2019-11-15 22:46:03,374 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-15 22:46:03,374 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:46:03,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-15 22:46:03,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-15 22:46:03,374 INFO L87 Difference]: Start difference. First operand 67 states and 67 transitions. Second operand 6 states. [2019-11-15 22:46:03,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:46:03,698 INFO L93 Difference]: Finished difference Result 74 states and 74 transitions. [2019-11-15 22:46:03,698 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-15 22:46:03,698 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 9 [2019-11-15 22:46:03,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:46:03,701 INFO L225 Difference]: With dead ends: 74 [2019-11-15 22:46:03,702 INFO L226 Difference]: Without dead ends: 74 [2019-11-15 22:46:03,702 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-11-15 22:46:03,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2019-11-15 22:46:03,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 66. [2019-11-15 22:46:03,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2019-11-15 22:46:03,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 66 transitions. [2019-11-15 22:46:03,719 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 66 transitions. Word has length 9 [2019-11-15 22:46:03,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:46:03,719 INFO L462 AbstractCegarLoop]: Abstraction has 66 states and 66 transitions. [2019-11-15 22:46:03,719 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-15 22:46:03,720 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 66 transitions. [2019-11-15 22:46:03,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-15 22:46:03,721 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:46:03,721 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:46:03,722 INFO L410 AbstractCegarLoop]: === Iteration 3 === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, alloc_dataErr4REQUIRES_VIOLATION, alloc_dataErr5REQUIRES_VIOLATION, alloc_dataErr10REQUIRES_VIOLATION, alloc_dataErr11REQUIRES_VIOLATION, alloc_dataErr0REQUIRES_VIOLATION, alloc_dataErr1REQUIRES_VIOLATION, alloc_dataErr6REQUIRES_VIOLATION, alloc_dataErr7REQUIRES_VIOLATION, alloc_dataErr2REQUIRES_VIOLATION, alloc_dataErr3REQUIRES_VIOLATION, alloc_dataErr8REQUIRES_VIOLATION, alloc_dataErr9REQUIRES_VIOLATION, free_dataErr7REQUIRES_VIOLATION, free_dataErr13ASSERT_VIOLATIONMEMORY_FREE, free_dataErr12ASSERT_VIOLATIONMEMORY_FREE, free_dataErr8ASSERT_VIOLATIONMEMORY_FREE, free_dataErr0REQUIRES_VIOLATION, free_dataErr1REQUIRES_VIOLATION, free_dataErr2REQUIRES_VIOLATION, free_dataErr3REQUIRES_VIOLATION, free_dataErr9ASSERT_VIOLATIONMEMORY_FREE, free_dataErr10ASSERT_VIOLATIONMEMORY_FREE, free_dataErr11ASSERT_VIOLATIONMEMORY_FREE, free_dataErr14REQUIRES_VIOLATION, free_dataErr4REQUIRES_VIOLATION, free_dataErr15REQUIRES_VIOLATION, free_dataErr5REQUIRES_VIOLATION, free_dataErr16REQUIRES_VIOLATION, free_dataErr17REQUIRES_VIOLATION, free_dataErr6REQUIRES_VIOLATION]=== [2019-11-15 22:46:03,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:46:03,722 INFO L82 PathProgramCache]: Analyzing trace with hash -965916439, now seen corresponding path program 1 times [2019-11-15 22:46:03,722 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:46:03,723 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371301056] [2019-11-15 22:46:03,723 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:46:03,723 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:46:03,723 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:46:03,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:46:03,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:46:03,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:46:03,878 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371301056] [2019-11-15 22:46:03,878 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:46:03,878 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-15 22:46:03,878 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783158205] [2019-11-15 22:46:03,879 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-15 22:46:03,879 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:46:03,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-15 22:46:03,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-15 22:46:03,880 INFO L87 Difference]: Start difference. First operand 66 states and 66 transitions. Second operand 7 states. [2019-11-15 22:46:04,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:46:04,204 INFO L93 Difference]: Finished difference Result 71 states and 71 transitions. [2019-11-15 22:46:04,204 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-15 22:46:04,204 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 11 [2019-11-15 22:46:04,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:46:04,206 INFO L225 Difference]: With dead ends: 71 [2019-11-15 22:46:04,206 INFO L226 Difference]: Without dead ends: 71 [2019-11-15 22:46:04,206 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2019-11-15 22:46:04,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2019-11-15 22:46:04,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 63. [2019-11-15 22:46:04,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2019-11-15 22:46:04,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 63 transitions. [2019-11-15 22:46:04,214 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 63 transitions. Word has length 11 [2019-11-15 22:46:04,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:46:04,215 INFO L462 AbstractCegarLoop]: Abstraction has 63 states and 63 transitions. [2019-11-15 22:46:04,215 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-15 22:46:04,215 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 63 transitions. [2019-11-15 22:46:04,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-15 22:46:04,215 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:46:04,216 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:46:04,216 INFO L410 AbstractCegarLoop]: === Iteration 4 === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, alloc_dataErr4REQUIRES_VIOLATION, alloc_dataErr5REQUIRES_VIOLATION, alloc_dataErr10REQUIRES_VIOLATION, alloc_dataErr11REQUIRES_VIOLATION, alloc_dataErr0REQUIRES_VIOLATION, alloc_dataErr1REQUIRES_VIOLATION, alloc_dataErr6REQUIRES_VIOLATION, alloc_dataErr7REQUIRES_VIOLATION, alloc_dataErr2REQUIRES_VIOLATION, alloc_dataErr3REQUIRES_VIOLATION, alloc_dataErr8REQUIRES_VIOLATION, alloc_dataErr9REQUIRES_VIOLATION, free_dataErr7REQUIRES_VIOLATION, free_dataErr13ASSERT_VIOLATIONMEMORY_FREE, free_dataErr12ASSERT_VIOLATIONMEMORY_FREE, free_dataErr8ASSERT_VIOLATIONMEMORY_FREE, free_dataErr0REQUIRES_VIOLATION, free_dataErr1REQUIRES_VIOLATION, free_dataErr2REQUIRES_VIOLATION, free_dataErr3REQUIRES_VIOLATION, free_dataErr9ASSERT_VIOLATIONMEMORY_FREE, free_dataErr10ASSERT_VIOLATIONMEMORY_FREE, free_dataErr11ASSERT_VIOLATIONMEMORY_FREE, free_dataErr14REQUIRES_VIOLATION, free_dataErr4REQUIRES_VIOLATION, free_dataErr15REQUIRES_VIOLATION, free_dataErr5REQUIRES_VIOLATION, free_dataErr16REQUIRES_VIOLATION, free_dataErr17REQUIRES_VIOLATION, free_dataErr6REQUIRES_VIOLATION]=== [2019-11-15 22:46:04,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:46:04,216 INFO L82 PathProgramCache]: Analyzing trace with hash -532763157, now seen corresponding path program 1 times [2019-11-15 22:46:04,217 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:46:04,217 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310294782] [2019-11-15 22:46:04,217 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:46:04,217 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:46:04,217 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:46:04,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:46:04,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:46:04,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:46:04,300 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310294782] [2019-11-15 22:46:04,300 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:46:04,300 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-15 22:46:04,300 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229032181] [2019-11-15 22:46:04,301 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-15 22:46:04,301 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:46:04,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-15 22:46:04,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-15 22:46:04,302 INFO L87 Difference]: Start difference. First operand 63 states and 63 transitions. Second operand 6 states. [2019-11-15 22:46:04,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:46:04,576 INFO L93 Difference]: Finished difference Result 70 states and 70 transitions. [2019-11-15 22:46:04,576 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-15 22:46:04,576 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13 [2019-11-15 22:46:04,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:46:04,577 INFO L225 Difference]: With dead ends: 70 [2019-11-15 22:46:04,578 INFO L226 Difference]: Without dead ends: 70 [2019-11-15 22:46:04,578 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2019-11-15 22:46:04,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2019-11-15 22:46:04,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 62. [2019-11-15 22:46:04,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2019-11-15 22:46:04,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 62 transitions. [2019-11-15 22:46:04,584 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 62 transitions. Word has length 13 [2019-11-15 22:46:04,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:46:04,584 INFO L462 AbstractCegarLoop]: Abstraction has 62 states and 62 transitions. [2019-11-15 22:46:04,584 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-15 22:46:04,584 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 62 transitions. [2019-11-15 22:46:04,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-15 22:46:04,587 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:46:04,588 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:46:04,588 INFO L410 AbstractCegarLoop]: === Iteration 5 === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, alloc_dataErr4REQUIRES_VIOLATION, alloc_dataErr5REQUIRES_VIOLATION, alloc_dataErr10REQUIRES_VIOLATION, alloc_dataErr11REQUIRES_VIOLATION, alloc_dataErr0REQUIRES_VIOLATION, alloc_dataErr1REQUIRES_VIOLATION, alloc_dataErr6REQUIRES_VIOLATION, alloc_dataErr7REQUIRES_VIOLATION, alloc_dataErr2REQUIRES_VIOLATION, alloc_dataErr3REQUIRES_VIOLATION, alloc_dataErr8REQUIRES_VIOLATION, alloc_dataErr9REQUIRES_VIOLATION, free_dataErr7REQUIRES_VIOLATION, free_dataErr13ASSERT_VIOLATIONMEMORY_FREE, free_dataErr12ASSERT_VIOLATIONMEMORY_FREE, free_dataErr8ASSERT_VIOLATIONMEMORY_FREE, free_dataErr0REQUIRES_VIOLATION, free_dataErr1REQUIRES_VIOLATION, free_dataErr2REQUIRES_VIOLATION, free_dataErr3REQUIRES_VIOLATION, free_dataErr9ASSERT_VIOLATIONMEMORY_FREE, free_dataErr10ASSERT_VIOLATIONMEMORY_FREE, free_dataErr11ASSERT_VIOLATIONMEMORY_FREE, free_dataErr14REQUIRES_VIOLATION, free_dataErr4REQUIRES_VIOLATION, free_dataErr15REQUIRES_VIOLATION, free_dataErr5REQUIRES_VIOLATION, free_dataErr16REQUIRES_VIOLATION, free_dataErr17REQUIRES_VIOLATION, free_dataErr6REQUIRES_VIOLATION]=== [2019-11-15 22:46:04,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:46:04,589 INFO L82 PathProgramCache]: Analyzing trace with hash -532763156, now seen corresponding path program 1 times [2019-11-15 22:46:04,589 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:46:04,589 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012542930] [2019-11-15 22:46:04,589 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:46:04,590 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:46:04,590 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:46:04,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:46:04,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:46:04,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:46:04,677 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012542930] [2019-11-15 22:46:04,677 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:46:04,677 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-15 22:46:04,677 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884227384] [2019-11-15 22:46:04,678 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-15 22:46:04,678 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:46:04,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-15 22:46:04,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-15 22:46:04,678 INFO L87 Difference]: Start difference. First operand 62 states and 62 transitions. Second operand 6 states. [2019-11-15 22:46:04,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:46:04,916 INFO L93 Difference]: Finished difference Result 69 states and 69 transitions. [2019-11-15 22:46:04,917 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-15 22:46:04,917 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13 [2019-11-15 22:46:04,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:46:04,918 INFO L225 Difference]: With dead ends: 69 [2019-11-15 22:46:04,918 INFO L226 Difference]: Without dead ends: 69 [2019-11-15 22:46:04,918 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2019-11-15 22:46:04,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2019-11-15 22:46:04,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 61. [2019-11-15 22:46:04,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2019-11-15 22:46:04,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 61 transitions. [2019-11-15 22:46:04,923 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 61 transitions. Word has length 13 [2019-11-15 22:46:04,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:46:04,923 INFO L462 AbstractCegarLoop]: Abstraction has 61 states and 61 transitions. [2019-11-15 22:46:04,923 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-15 22:46:04,924 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 61 transitions. [2019-11-15 22:46:04,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-15 22:46:04,924 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:46:04,924 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:46:04,925 INFO L410 AbstractCegarLoop]: === Iteration 6 === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, alloc_dataErr4REQUIRES_VIOLATION, alloc_dataErr5REQUIRES_VIOLATION, alloc_dataErr10REQUIRES_VIOLATION, alloc_dataErr11REQUIRES_VIOLATION, alloc_dataErr0REQUIRES_VIOLATION, alloc_dataErr1REQUIRES_VIOLATION, alloc_dataErr6REQUIRES_VIOLATION, alloc_dataErr7REQUIRES_VIOLATION, alloc_dataErr2REQUIRES_VIOLATION, alloc_dataErr3REQUIRES_VIOLATION, alloc_dataErr8REQUIRES_VIOLATION, alloc_dataErr9REQUIRES_VIOLATION, free_dataErr7REQUIRES_VIOLATION, free_dataErr13ASSERT_VIOLATIONMEMORY_FREE, free_dataErr12ASSERT_VIOLATIONMEMORY_FREE, free_dataErr8ASSERT_VIOLATIONMEMORY_FREE, free_dataErr0REQUIRES_VIOLATION, free_dataErr1REQUIRES_VIOLATION, free_dataErr2REQUIRES_VIOLATION, free_dataErr3REQUIRES_VIOLATION, free_dataErr9ASSERT_VIOLATIONMEMORY_FREE, free_dataErr10ASSERT_VIOLATIONMEMORY_FREE, free_dataErr11ASSERT_VIOLATIONMEMORY_FREE, free_dataErr14REQUIRES_VIOLATION, free_dataErr4REQUIRES_VIOLATION, free_dataErr15REQUIRES_VIOLATION, free_dataErr5REQUIRES_VIOLATION, free_dataErr16REQUIRES_VIOLATION, free_dataErr17REQUIRES_VIOLATION, free_dataErr6REQUIRES_VIOLATION]=== [2019-11-15 22:46:04,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:46:04,925 INFO L82 PathProgramCache]: Analyzing trace with hash -1643053418, now seen corresponding path program 1 times [2019-11-15 22:46:04,926 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:46:04,926 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641945011] [2019-11-15 22:46:04,926 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:46:04,926 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:46:04,926 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:46:04,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:46:05,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:46:05,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:46:05,064 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641945011] [2019-11-15 22:46:05,064 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:46:05,065 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-11-15 22:46:05,065 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156867559] [2019-11-15 22:46:05,065 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-11-15 22:46:05,065 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:46:05,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-11-15 22:46:05,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2019-11-15 22:46:05,066 INFO L87 Difference]: Start difference. First operand 61 states and 61 transitions. Second operand 12 states. [2019-11-15 22:46:05,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:46:05,467 INFO L93 Difference]: Finished difference Result 68 states and 68 transitions. [2019-11-15 22:46:05,467 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-11-15 22:46:05,468 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 16 [2019-11-15 22:46:05,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:46:05,468 INFO L225 Difference]: With dead ends: 68 [2019-11-15 22:46:05,469 INFO L226 Difference]: Without dead ends: 68 [2019-11-15 22:46:05,469 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=91, Invalid=289, Unknown=0, NotChecked=0, Total=380 [2019-11-15 22:46:05,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2019-11-15 22:46:05,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 60. [2019-11-15 22:46:05,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2019-11-15 22:46:05,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 60 transitions. [2019-11-15 22:46:05,475 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 60 transitions. Word has length 16 [2019-11-15 22:46:05,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:46:05,475 INFO L462 AbstractCegarLoop]: Abstraction has 60 states and 60 transitions. [2019-11-15 22:46:05,475 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-11-15 22:46:05,475 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 60 transitions. [2019-11-15 22:46:05,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-15 22:46:05,476 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:46:05,476 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:46:05,476 INFO L410 AbstractCegarLoop]: === Iteration 7 === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, alloc_dataErr4REQUIRES_VIOLATION, alloc_dataErr5REQUIRES_VIOLATION, alloc_dataErr10REQUIRES_VIOLATION, alloc_dataErr11REQUIRES_VIOLATION, alloc_dataErr0REQUIRES_VIOLATION, alloc_dataErr1REQUIRES_VIOLATION, alloc_dataErr6REQUIRES_VIOLATION, alloc_dataErr7REQUIRES_VIOLATION, alloc_dataErr2REQUIRES_VIOLATION, alloc_dataErr3REQUIRES_VIOLATION, alloc_dataErr8REQUIRES_VIOLATION, alloc_dataErr9REQUIRES_VIOLATION, free_dataErr7REQUIRES_VIOLATION, free_dataErr13ASSERT_VIOLATIONMEMORY_FREE, free_dataErr12ASSERT_VIOLATIONMEMORY_FREE, free_dataErr8ASSERT_VIOLATIONMEMORY_FREE, free_dataErr0REQUIRES_VIOLATION, free_dataErr1REQUIRES_VIOLATION, free_dataErr2REQUIRES_VIOLATION, free_dataErr3REQUIRES_VIOLATION, free_dataErr9ASSERT_VIOLATIONMEMORY_FREE, free_dataErr10ASSERT_VIOLATIONMEMORY_FREE, free_dataErr11ASSERT_VIOLATIONMEMORY_FREE, free_dataErr14REQUIRES_VIOLATION, free_dataErr4REQUIRES_VIOLATION, free_dataErr15REQUIRES_VIOLATION, free_dataErr5REQUIRES_VIOLATION, free_dataErr16REQUIRES_VIOLATION, free_dataErr17REQUIRES_VIOLATION, free_dataErr6REQUIRES_VIOLATION]=== [2019-11-15 22:46:05,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:46:05,477 INFO L82 PathProgramCache]: Analyzing trace with hash -1643053417, now seen corresponding path program 1 times [2019-11-15 22:46:05,477 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:46:05,477 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773680254] [2019-11-15 22:46:05,477 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:46:05,477 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:46:05,477 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:46:05,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:46:05,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:46:05,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:46:05,638 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773680254] [2019-11-15 22:46:05,638 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:46:05,638 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-11-15 22:46:05,638 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855842868] [2019-11-15 22:46:05,638 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-11-15 22:46:05,639 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:46:05,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-11-15 22:46:05,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2019-11-15 22:46:05,639 INFO L87 Difference]: Start difference. First operand 60 states and 60 transitions. Second operand 12 states. [2019-11-15 22:46:06,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:46:06,057 INFO L93 Difference]: Finished difference Result 67 states and 67 transitions. [2019-11-15 22:46:06,058 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-11-15 22:46:06,058 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 16 [2019-11-15 22:46:06,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:46:06,059 INFO L225 Difference]: With dead ends: 67 [2019-11-15 22:46:06,059 INFO L226 Difference]: Without dead ends: 67 [2019-11-15 22:46:06,059 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=91, Invalid=289, Unknown=0, NotChecked=0, Total=380 [2019-11-15 22:46:06,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2019-11-15 22:46:06,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 59. [2019-11-15 22:46:06,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2019-11-15 22:46:06,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 59 transitions. [2019-11-15 22:46:06,064 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 59 transitions. Word has length 16 [2019-11-15 22:46:06,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:46:06,064 INFO L462 AbstractCegarLoop]: Abstraction has 59 states and 59 transitions. [2019-11-15 22:46:06,064 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-11-15 22:46:06,064 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 59 transitions. [2019-11-15 22:46:06,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-15 22:46:06,065 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:46:06,065 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:46:06,066 INFO L410 AbstractCegarLoop]: === Iteration 8 === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, alloc_dataErr4REQUIRES_VIOLATION, alloc_dataErr5REQUIRES_VIOLATION, alloc_dataErr10REQUIRES_VIOLATION, alloc_dataErr11REQUIRES_VIOLATION, alloc_dataErr0REQUIRES_VIOLATION, alloc_dataErr1REQUIRES_VIOLATION, alloc_dataErr6REQUIRES_VIOLATION, alloc_dataErr7REQUIRES_VIOLATION, alloc_dataErr2REQUIRES_VIOLATION, alloc_dataErr3REQUIRES_VIOLATION, alloc_dataErr8REQUIRES_VIOLATION, alloc_dataErr9REQUIRES_VIOLATION, free_dataErr7REQUIRES_VIOLATION, free_dataErr13ASSERT_VIOLATIONMEMORY_FREE, free_dataErr12ASSERT_VIOLATIONMEMORY_FREE, free_dataErr8ASSERT_VIOLATIONMEMORY_FREE, free_dataErr0REQUIRES_VIOLATION, free_dataErr1REQUIRES_VIOLATION, free_dataErr2REQUIRES_VIOLATION, free_dataErr3REQUIRES_VIOLATION, free_dataErr9ASSERT_VIOLATIONMEMORY_FREE, free_dataErr10ASSERT_VIOLATIONMEMORY_FREE, free_dataErr11ASSERT_VIOLATIONMEMORY_FREE, free_dataErr14REQUIRES_VIOLATION, free_dataErr4REQUIRES_VIOLATION, free_dataErr15REQUIRES_VIOLATION, free_dataErr5REQUIRES_VIOLATION, free_dataErr16REQUIRES_VIOLATION, free_dataErr17REQUIRES_VIOLATION, free_dataErr6REQUIRES_VIOLATION]=== [2019-11-15 22:46:06,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:46:06,066 INFO L82 PathProgramCache]: Analyzing trace with hash 1220006329, now seen corresponding path program 1 times [2019-11-15 22:46:06,066 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:46:06,066 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634173335] [2019-11-15 22:46:06,066 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:46:06,066 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:46:06,066 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:46:06,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:46:06,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:46:06,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:46:06,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:46:06,212 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634173335] [2019-11-15 22:46:06,212 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:46:06,212 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-11-15 22:46:06,213 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101583314] [2019-11-15 22:46:06,213 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-15 22:46:06,213 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:46:06,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-15 22:46:06,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-11-15 22:46:06,214 INFO L87 Difference]: Start difference. First operand 59 states and 59 transitions. Second operand 10 states. [2019-11-15 22:46:06,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:46:06,534 INFO L93 Difference]: Finished difference Result 63 states and 63 transitions. [2019-11-15 22:46:06,534 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-15 22:46:06,535 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 22 [2019-11-15 22:46:06,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:46:06,535 INFO L225 Difference]: With dead ends: 63 [2019-11-15 22:46:06,536 INFO L226 Difference]: Without dead ends: 63 [2019-11-15 22:46:06,536 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2019-11-15 22:46:06,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2019-11-15 22:46:06,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 57. [2019-11-15 22:46:06,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2019-11-15 22:46:06,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 58 transitions. [2019-11-15 22:46:06,540 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 58 transitions. Word has length 22 [2019-11-15 22:46:06,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:46:06,541 INFO L462 AbstractCegarLoop]: Abstraction has 57 states and 58 transitions. [2019-11-15 22:46:06,541 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-15 22:46:06,541 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 58 transitions. [2019-11-15 22:46:06,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-15 22:46:06,541 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:46:06,542 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:46:06,542 INFO L410 AbstractCegarLoop]: === Iteration 9 === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, alloc_dataErr4REQUIRES_VIOLATION, alloc_dataErr5REQUIRES_VIOLATION, alloc_dataErr10REQUIRES_VIOLATION, alloc_dataErr11REQUIRES_VIOLATION, alloc_dataErr0REQUIRES_VIOLATION, alloc_dataErr1REQUIRES_VIOLATION, alloc_dataErr6REQUIRES_VIOLATION, alloc_dataErr7REQUIRES_VIOLATION, alloc_dataErr2REQUIRES_VIOLATION, alloc_dataErr3REQUIRES_VIOLATION, alloc_dataErr8REQUIRES_VIOLATION, alloc_dataErr9REQUIRES_VIOLATION, free_dataErr7REQUIRES_VIOLATION, free_dataErr13ASSERT_VIOLATIONMEMORY_FREE, free_dataErr12ASSERT_VIOLATIONMEMORY_FREE, free_dataErr8ASSERT_VIOLATIONMEMORY_FREE, free_dataErr0REQUIRES_VIOLATION, free_dataErr1REQUIRES_VIOLATION, free_dataErr2REQUIRES_VIOLATION, free_dataErr3REQUIRES_VIOLATION, free_dataErr9ASSERT_VIOLATIONMEMORY_FREE, free_dataErr10ASSERT_VIOLATIONMEMORY_FREE, free_dataErr11ASSERT_VIOLATIONMEMORY_FREE, free_dataErr14REQUIRES_VIOLATION, free_dataErr4REQUIRES_VIOLATION, free_dataErr15REQUIRES_VIOLATION, free_dataErr5REQUIRES_VIOLATION, free_dataErr16REQUIRES_VIOLATION, free_dataErr17REQUIRES_VIOLATION, free_dataErr6REQUIRES_VIOLATION]=== [2019-11-15 22:46:06,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:46:06,542 INFO L82 PathProgramCache]: Analyzing trace with hash 1220006330, now seen corresponding path program 1 times [2019-11-15 22:46:06,542 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:46:06,542 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194218822] [2019-11-15 22:46:06,543 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:46:06,543 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:46:06,543 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:46:06,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:46:06,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:46:06,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:46:06,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:46:06,743 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194218822] [2019-11-15 22:46:06,744 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:46:06,744 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-11-15 22:46:06,744 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245523262] [2019-11-15 22:46:06,744 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-11-15 22:46:06,744 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:46:06,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-11-15 22:46:06,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2019-11-15 22:46:06,745 INFO L87 Difference]: Start difference. First operand 57 states and 58 transitions. Second operand 12 states. [2019-11-15 22:46:07,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:46:07,147 INFO L93 Difference]: Finished difference Result 56 states and 56 transitions. [2019-11-15 22:46:07,149 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-11-15 22:46:07,150 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 22 [2019-11-15 22:46:07,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:46:07,150 INFO L225 Difference]: With dead ends: 56 [2019-11-15 22:46:07,151 INFO L226 Difference]: Without dead ends: 56 [2019-11-15 22:46:07,151 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=67, Invalid=275, Unknown=0, NotChecked=0, Total=342 [2019-11-15 22:46:07,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2019-11-15 22:46:07,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 53. [2019-11-15 22:46:07,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2019-11-15 22:46:07,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 53 transitions. [2019-11-15 22:46:07,155 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 53 transitions. Word has length 22 [2019-11-15 22:46:07,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:46:07,155 INFO L462 AbstractCegarLoop]: Abstraction has 53 states and 53 transitions. [2019-11-15 22:46:07,155 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-11-15 22:46:07,155 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 53 transitions. [2019-11-15 22:46:07,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-15 22:46:07,156 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:46:07,156 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:46:07,156 INFO L410 AbstractCegarLoop]: === Iteration 10 === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, alloc_dataErr4REQUIRES_VIOLATION, alloc_dataErr5REQUIRES_VIOLATION, alloc_dataErr10REQUIRES_VIOLATION, alloc_dataErr11REQUIRES_VIOLATION, alloc_dataErr0REQUIRES_VIOLATION, alloc_dataErr1REQUIRES_VIOLATION, alloc_dataErr6REQUIRES_VIOLATION, alloc_dataErr7REQUIRES_VIOLATION, alloc_dataErr2REQUIRES_VIOLATION, alloc_dataErr3REQUIRES_VIOLATION, alloc_dataErr8REQUIRES_VIOLATION, alloc_dataErr9REQUIRES_VIOLATION, free_dataErr7REQUIRES_VIOLATION, free_dataErr13ASSERT_VIOLATIONMEMORY_FREE, free_dataErr12ASSERT_VIOLATIONMEMORY_FREE, free_dataErr8ASSERT_VIOLATIONMEMORY_FREE, free_dataErr0REQUIRES_VIOLATION, free_dataErr1REQUIRES_VIOLATION, free_dataErr2REQUIRES_VIOLATION, free_dataErr3REQUIRES_VIOLATION, free_dataErr9ASSERT_VIOLATIONMEMORY_FREE, free_dataErr10ASSERT_VIOLATIONMEMORY_FREE, free_dataErr11ASSERT_VIOLATIONMEMORY_FREE, free_dataErr14REQUIRES_VIOLATION, free_dataErr4REQUIRES_VIOLATION, free_dataErr15REQUIRES_VIOLATION, free_dataErr5REQUIRES_VIOLATION, free_dataErr16REQUIRES_VIOLATION, free_dataErr17REQUIRES_VIOLATION, free_dataErr6REQUIRES_VIOLATION]=== [2019-11-15 22:46:07,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:46:07,157 INFO L82 PathProgramCache]: Analyzing trace with hash -1600422852, now seen corresponding path program 1 times [2019-11-15 22:46:07,157 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:46:07,157 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810994214] [2019-11-15 22:46:07,157 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:46:07,157 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:46:07,157 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:46:07,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:46:07,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:46:07,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:46:07,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:46:07,717 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810994214] [2019-11-15 22:46:07,718 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:46:07,718 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2019-11-15 22:46:07,718 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653470523] [2019-11-15 22:46:07,718 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-11-15 22:46:07,719 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:46:07,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-11-15 22:46:07,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=265, Unknown=0, NotChecked=0, Total=306 [2019-11-15 22:46:07,719 INFO L87 Difference]: Start difference. First operand 53 states and 53 transitions. Second operand 18 states. [2019-11-15 22:46:08,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:46:08,850 INFO L93 Difference]: Finished difference Result 54 states and 54 transitions. [2019-11-15 22:46:08,851 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-11-15 22:46:08,851 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 26 [2019-11-15 22:46:08,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:46:08,852 INFO L225 Difference]: With dead ends: 54 [2019-11-15 22:46:08,852 INFO L226 Difference]: Without dead ends: 54 [2019-11-15 22:46:08,852 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=150, Invalid=906, Unknown=0, NotChecked=0, Total=1056 [2019-11-15 22:46:08,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2019-11-15 22:46:08,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 51. [2019-11-15 22:46:08,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2019-11-15 22:46:08,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 51 transitions. [2019-11-15 22:46:08,855 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 51 transitions. Word has length 26 [2019-11-15 22:46:08,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:46:08,856 INFO L462 AbstractCegarLoop]: Abstraction has 51 states and 51 transitions. [2019-11-15 22:46:08,856 INFO L463 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-11-15 22:46:08,856 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 51 transitions. [2019-11-15 22:46:08,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-15 22:46:08,862 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:46:08,863 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:46:08,863 INFO L410 AbstractCegarLoop]: === Iteration 11 === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, alloc_dataErr4REQUIRES_VIOLATION, alloc_dataErr5REQUIRES_VIOLATION, alloc_dataErr10REQUIRES_VIOLATION, alloc_dataErr11REQUIRES_VIOLATION, alloc_dataErr0REQUIRES_VIOLATION, alloc_dataErr1REQUIRES_VIOLATION, alloc_dataErr6REQUIRES_VIOLATION, alloc_dataErr7REQUIRES_VIOLATION, alloc_dataErr2REQUIRES_VIOLATION, alloc_dataErr3REQUIRES_VIOLATION, alloc_dataErr8REQUIRES_VIOLATION, alloc_dataErr9REQUIRES_VIOLATION, free_dataErr7REQUIRES_VIOLATION, free_dataErr13ASSERT_VIOLATIONMEMORY_FREE, free_dataErr12ASSERT_VIOLATIONMEMORY_FREE, free_dataErr8ASSERT_VIOLATIONMEMORY_FREE, free_dataErr0REQUIRES_VIOLATION, free_dataErr1REQUIRES_VIOLATION, free_dataErr2REQUIRES_VIOLATION, free_dataErr3REQUIRES_VIOLATION, free_dataErr9ASSERT_VIOLATIONMEMORY_FREE, free_dataErr10ASSERT_VIOLATIONMEMORY_FREE, free_dataErr11ASSERT_VIOLATIONMEMORY_FREE, free_dataErr14REQUIRES_VIOLATION, free_dataErr4REQUIRES_VIOLATION, free_dataErr15REQUIRES_VIOLATION, free_dataErr5REQUIRES_VIOLATION, free_dataErr16REQUIRES_VIOLATION, free_dataErr17REQUIRES_VIOLATION, free_dataErr6REQUIRES_VIOLATION]=== [2019-11-15 22:46:08,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:46:08,864 INFO L82 PathProgramCache]: Analyzing trace with hash -1600422853, now seen corresponding path program 1 times [2019-11-15 22:46:08,864 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:46:08,864 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734881209] [2019-11-15 22:46:08,864 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:46:08,864 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:46:08,864 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:46:08,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:46:09,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:46:09,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:46:09,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:46:09,311 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734881209] [2019-11-15 22:46:09,312 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:46:09,312 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2019-11-15 22:46:09,312 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294879229] [2019-11-15 22:46:09,312 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-11-15 22:46:09,312 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:46:09,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-11-15 22:46:09,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=271, Unknown=0, NotChecked=0, Total=306 [2019-11-15 22:46:09,313 INFO L87 Difference]: Start difference. First operand 51 states and 51 transitions. Second operand 18 states. [2019-11-15 22:46:10,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:46:10,130 INFO L93 Difference]: Finished difference Result 52 states and 52 transitions. [2019-11-15 22:46:10,132 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-11-15 22:46:10,132 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 26 [2019-11-15 22:46:10,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:46:10,133 INFO L225 Difference]: With dead ends: 52 [2019-11-15 22:46:10,133 INFO L226 Difference]: Without dead ends: 52 [2019-11-15 22:46:10,134 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=129, Invalid=863, Unknown=0, NotChecked=0, Total=992 [2019-11-15 22:46:10,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2019-11-15 22:46:10,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 49. [2019-11-15 22:46:10,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2019-11-15 22:46:10,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 49 transitions. [2019-11-15 22:46:10,137 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 49 transitions. Word has length 26 [2019-11-15 22:46:10,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:46:10,137 INFO L462 AbstractCegarLoop]: Abstraction has 49 states and 49 transitions. [2019-11-15 22:46:10,137 INFO L463 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-11-15 22:46:10,137 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 49 transitions. [2019-11-15 22:46:10,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-15 22:46:10,138 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:46:10,138 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:46:10,139 INFO L410 AbstractCegarLoop]: === Iteration 12 === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, alloc_dataErr4REQUIRES_VIOLATION, alloc_dataErr5REQUIRES_VIOLATION, alloc_dataErr10REQUIRES_VIOLATION, alloc_dataErr11REQUIRES_VIOLATION, alloc_dataErr0REQUIRES_VIOLATION, alloc_dataErr1REQUIRES_VIOLATION, alloc_dataErr6REQUIRES_VIOLATION, alloc_dataErr7REQUIRES_VIOLATION, alloc_dataErr2REQUIRES_VIOLATION, alloc_dataErr3REQUIRES_VIOLATION, alloc_dataErr8REQUIRES_VIOLATION, alloc_dataErr9REQUIRES_VIOLATION, free_dataErr7REQUIRES_VIOLATION, free_dataErr13ASSERT_VIOLATIONMEMORY_FREE, free_dataErr12ASSERT_VIOLATIONMEMORY_FREE, free_dataErr8ASSERT_VIOLATIONMEMORY_FREE, free_dataErr0REQUIRES_VIOLATION, free_dataErr1REQUIRES_VIOLATION, free_dataErr2REQUIRES_VIOLATION, free_dataErr3REQUIRES_VIOLATION, free_dataErr9ASSERT_VIOLATIONMEMORY_FREE, free_dataErr10ASSERT_VIOLATIONMEMORY_FREE, free_dataErr11ASSERT_VIOLATIONMEMORY_FREE, free_dataErr14REQUIRES_VIOLATION, free_dataErr4REQUIRES_VIOLATION, free_dataErr15REQUIRES_VIOLATION, free_dataErr5REQUIRES_VIOLATION, free_dataErr16REQUIRES_VIOLATION, free_dataErr17REQUIRES_VIOLATION, free_dataErr6REQUIRES_VIOLATION]=== [2019-11-15 22:46:10,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:46:10,139 INFO L82 PathProgramCache]: Analyzing trace with hash 1926499128, now seen corresponding path program 1 times [2019-11-15 22:46:10,139 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:46:10,139 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945563395] [2019-11-15 22:46:10,139 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:46:10,139 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:46:10,140 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:46:10,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:46:10,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:46:10,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:46:10,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:46:10,814 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945563395] [2019-11-15 22:46:10,814 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:46:10,814 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2019-11-15 22:46:10,815 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472736272] [2019-11-15 22:46:10,817 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-11-15 22:46:10,817 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:46:10,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-11-15 22:46:10,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=267, Unknown=0, NotChecked=0, Total=306 [2019-11-15 22:46:10,818 INFO L87 Difference]: Start difference. First operand 49 states and 49 transitions. Second operand 18 states. [2019-11-15 22:46:11,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:46:11,907 INFO L93 Difference]: Finished difference Result 51 states and 51 transitions. [2019-11-15 22:46:11,907 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-11-15 22:46:11,907 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 27 [2019-11-15 22:46:11,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:46:11,908 INFO L225 Difference]: With dead ends: 51 [2019-11-15 22:46:11,908 INFO L226 Difference]: Without dead ends: 51 [2019-11-15 22:46:11,909 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=164, Invalid=1026, Unknown=0, NotChecked=0, Total=1190 [2019-11-15 22:46:11,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2019-11-15 22:46:11,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 48. [2019-11-15 22:46:11,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2019-11-15 22:46:11,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 48 transitions. [2019-11-15 22:46:11,912 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 48 transitions. Word has length 27 [2019-11-15 22:46:11,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:46:11,912 INFO L462 AbstractCegarLoop]: Abstraction has 48 states and 48 transitions. [2019-11-15 22:46:11,912 INFO L463 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-11-15 22:46:11,912 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 48 transitions. [2019-11-15 22:46:11,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-15 22:46:11,913 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:46:11,913 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:46:11,913 INFO L410 AbstractCegarLoop]: === Iteration 13 === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, alloc_dataErr4REQUIRES_VIOLATION, alloc_dataErr5REQUIRES_VIOLATION, alloc_dataErr10REQUIRES_VIOLATION, alloc_dataErr11REQUIRES_VIOLATION, alloc_dataErr0REQUIRES_VIOLATION, alloc_dataErr1REQUIRES_VIOLATION, alloc_dataErr6REQUIRES_VIOLATION, alloc_dataErr7REQUIRES_VIOLATION, alloc_dataErr2REQUIRES_VIOLATION, alloc_dataErr3REQUIRES_VIOLATION, alloc_dataErr8REQUIRES_VIOLATION, alloc_dataErr9REQUIRES_VIOLATION, free_dataErr7REQUIRES_VIOLATION, free_dataErr13ASSERT_VIOLATIONMEMORY_FREE, free_dataErr12ASSERT_VIOLATIONMEMORY_FREE, free_dataErr8ASSERT_VIOLATIONMEMORY_FREE, free_dataErr0REQUIRES_VIOLATION, free_dataErr1REQUIRES_VIOLATION, free_dataErr2REQUIRES_VIOLATION, free_dataErr3REQUIRES_VIOLATION, free_dataErr9ASSERT_VIOLATIONMEMORY_FREE, free_dataErr10ASSERT_VIOLATIONMEMORY_FREE, free_dataErr11ASSERT_VIOLATIONMEMORY_FREE, free_dataErr14REQUIRES_VIOLATION, free_dataErr4REQUIRES_VIOLATION, free_dataErr15REQUIRES_VIOLATION, free_dataErr5REQUIRES_VIOLATION, free_dataErr16REQUIRES_VIOLATION, free_dataErr17REQUIRES_VIOLATION, free_dataErr6REQUIRES_VIOLATION]=== [2019-11-15 22:46:11,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:46:11,914 INFO L82 PathProgramCache]: Analyzing trace with hash 1926499129, now seen corresponding path program 1 times [2019-11-15 22:46:11,914 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:46:11,914 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896481498] [2019-11-15 22:46:11,914 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:46:11,914 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:46:11,914 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:46:11,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:46:12,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:46:12,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:46:12,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:46:12,548 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1896481498] [2019-11-15 22:46:12,549 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:46:12,549 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2019-11-15 22:46:12,549 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874288929] [2019-11-15 22:46:12,549 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-11-15 22:46:12,549 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:46:12,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-11-15 22:46:12,553 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2019-11-15 22:46:12,553 INFO L87 Difference]: Start difference. First operand 48 states and 48 transitions. Second operand 18 states. [2019-11-15 22:46:13,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:46:13,648 INFO L93 Difference]: Finished difference Result 49 states and 49 transitions. [2019-11-15 22:46:13,649 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2019-11-15 22:46:13,649 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 27 [2019-11-15 22:46:13,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:46:13,649 INFO L225 Difference]: With dead ends: 49 [2019-11-15 22:46:13,649 INFO L226 Difference]: Without dead ends: 49 [2019-11-15 22:46:13,650 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=156, Invalid=1034, Unknown=0, NotChecked=0, Total=1190 [2019-11-15 22:46:13,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2019-11-15 22:46:13,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 46. [2019-11-15 22:46:13,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2019-11-15 22:46:13,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 46 transitions. [2019-11-15 22:46:13,653 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 46 transitions. Word has length 27 [2019-11-15 22:46:13,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:46:13,654 INFO L462 AbstractCegarLoop]: Abstraction has 46 states and 46 transitions. [2019-11-15 22:46:13,654 INFO L463 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-11-15 22:46:13,654 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 46 transitions. [2019-11-15 22:46:13,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-15 22:46:13,654 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:46:13,654 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:46:13,655 INFO L410 AbstractCegarLoop]: === Iteration 14 === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, alloc_dataErr4REQUIRES_VIOLATION, alloc_dataErr5REQUIRES_VIOLATION, alloc_dataErr10REQUIRES_VIOLATION, alloc_dataErr11REQUIRES_VIOLATION, alloc_dataErr0REQUIRES_VIOLATION, alloc_dataErr1REQUIRES_VIOLATION, alloc_dataErr6REQUIRES_VIOLATION, alloc_dataErr7REQUIRES_VIOLATION, alloc_dataErr2REQUIRES_VIOLATION, alloc_dataErr3REQUIRES_VIOLATION, alloc_dataErr8REQUIRES_VIOLATION, alloc_dataErr9REQUIRES_VIOLATION, free_dataErr7REQUIRES_VIOLATION, free_dataErr13ASSERT_VIOLATIONMEMORY_FREE, free_dataErr12ASSERT_VIOLATIONMEMORY_FREE, free_dataErr8ASSERT_VIOLATIONMEMORY_FREE, free_dataErr0REQUIRES_VIOLATION, free_dataErr1REQUIRES_VIOLATION, free_dataErr2REQUIRES_VIOLATION, free_dataErr3REQUIRES_VIOLATION, free_dataErr9ASSERT_VIOLATIONMEMORY_FREE, free_dataErr10ASSERT_VIOLATIONMEMORY_FREE, free_dataErr11ASSERT_VIOLATIONMEMORY_FREE, free_dataErr14REQUIRES_VIOLATION, free_dataErr4REQUIRES_VIOLATION, free_dataErr15REQUIRES_VIOLATION, free_dataErr5REQUIRES_VIOLATION, free_dataErr16REQUIRES_VIOLATION, free_dataErr17REQUIRES_VIOLATION, free_dataErr6REQUIRES_VIOLATION]=== [2019-11-15 22:46:13,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:46:13,655 INFO L82 PathProgramCache]: Analyzing trace with hash -1312430304, now seen corresponding path program 1 times [2019-11-15 22:46:13,655 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:46:13,655 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754313737] [2019-11-15 22:46:13,655 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:46:13,655 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:46:13,655 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:46:13,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:46:13,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:46:13,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:46:14,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:46:14,031 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754313737] [2019-11-15 22:46:14,032 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:46:14,032 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2019-11-15 22:46:14,032 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842289513] [2019-11-15 22:46:14,033 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-11-15 22:46:14,033 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:46:14,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-11-15 22:46:14,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=265, Unknown=0, NotChecked=0, Total=306 [2019-11-15 22:46:14,034 INFO L87 Difference]: Start difference. First operand 46 states and 46 transitions. Second operand 18 states. [2019-11-15 22:46:14,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:46:14,925 INFO L93 Difference]: Finished difference Result 48 states and 48 transitions. [2019-11-15 22:46:14,925 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-11-15 22:46:14,925 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 30 [2019-11-15 22:46:14,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:46:14,926 INFO L225 Difference]: With dead ends: 48 [2019-11-15 22:46:14,926 INFO L226 Difference]: Without dead ends: 48 [2019-11-15 22:46:14,927 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=150, Invalid=906, Unknown=0, NotChecked=0, Total=1056 [2019-11-15 22:46:14,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2019-11-15 22:46:14,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 45. [2019-11-15 22:46:14,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2019-11-15 22:46:14,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 45 transitions. [2019-11-15 22:46:14,929 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 45 transitions. Word has length 30 [2019-11-15 22:46:14,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:46:14,929 INFO L462 AbstractCegarLoop]: Abstraction has 45 states and 45 transitions. [2019-11-15 22:46:14,930 INFO L463 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-11-15 22:46:14,930 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 45 transitions. [2019-11-15 22:46:14,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-15 22:46:14,930 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:46:14,931 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:46:14,931 INFO L410 AbstractCegarLoop]: === Iteration 15 === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, alloc_dataErr4REQUIRES_VIOLATION, alloc_dataErr5REQUIRES_VIOLATION, alloc_dataErr10REQUIRES_VIOLATION, alloc_dataErr11REQUIRES_VIOLATION, alloc_dataErr0REQUIRES_VIOLATION, alloc_dataErr1REQUIRES_VIOLATION, alloc_dataErr6REQUIRES_VIOLATION, alloc_dataErr7REQUIRES_VIOLATION, alloc_dataErr2REQUIRES_VIOLATION, alloc_dataErr3REQUIRES_VIOLATION, alloc_dataErr8REQUIRES_VIOLATION, alloc_dataErr9REQUIRES_VIOLATION, free_dataErr7REQUIRES_VIOLATION, free_dataErr13ASSERT_VIOLATIONMEMORY_FREE, free_dataErr12ASSERT_VIOLATIONMEMORY_FREE, free_dataErr8ASSERT_VIOLATIONMEMORY_FREE, free_dataErr0REQUIRES_VIOLATION, free_dataErr1REQUIRES_VIOLATION, free_dataErr2REQUIRES_VIOLATION, free_dataErr3REQUIRES_VIOLATION, free_dataErr9ASSERT_VIOLATIONMEMORY_FREE, free_dataErr10ASSERT_VIOLATIONMEMORY_FREE, free_dataErr11ASSERT_VIOLATIONMEMORY_FREE, free_dataErr14REQUIRES_VIOLATION, free_dataErr4REQUIRES_VIOLATION, free_dataErr15REQUIRES_VIOLATION, free_dataErr5REQUIRES_VIOLATION, free_dataErr16REQUIRES_VIOLATION, free_dataErr17REQUIRES_VIOLATION, free_dataErr6REQUIRES_VIOLATION]=== [2019-11-15 22:46:14,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:46:14,931 INFO L82 PathProgramCache]: Analyzing trace with hash -1523801540, now seen corresponding path program 1 times [2019-11-15 22:46:14,931 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:46:14,932 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324591332] [2019-11-15 22:46:14,932 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:46:14,932 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:46:14,932 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:46:14,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:46:15,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:46:15,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:46:15,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:46:15,576 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324591332] [2019-11-15 22:46:15,577 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:46:15,577 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2019-11-15 22:46:15,577 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914935542] [2019-11-15 22:46:15,577 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-11-15 22:46:15,578 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:46:15,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-11-15 22:46:15,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=267, Unknown=0, NotChecked=0, Total=306 [2019-11-15 22:46:15,578 INFO L87 Difference]: Start difference. First operand 45 states and 45 transitions. Second operand 18 states. [2019-11-15 22:46:16,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:46:16,683 INFO L93 Difference]: Finished difference Result 47 states and 47 transitions. [2019-11-15 22:46:16,683 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2019-11-15 22:46:16,684 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 33 [2019-11-15 22:46:16,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:46:16,684 INFO L225 Difference]: With dead ends: 47 [2019-11-15 22:46:16,684 INFO L226 Difference]: Without dead ends: 47 [2019-11-15 22:46:16,685 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=171, Invalid=1089, Unknown=0, NotChecked=0, Total=1260 [2019-11-15 22:46:16,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2019-11-15 22:46:16,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 44. [2019-11-15 22:46:16,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2019-11-15 22:46:16,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 44 transitions. [2019-11-15 22:46:16,687 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 44 transitions. Word has length 33 [2019-11-15 22:46:16,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:46:16,688 INFO L462 AbstractCegarLoop]: Abstraction has 44 states and 44 transitions. [2019-11-15 22:46:16,688 INFO L463 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-11-15 22:46:16,688 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 44 transitions. [2019-11-15 22:46:16,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-15 22:46:16,689 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:46:16,689 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:46:16,690 INFO L410 AbstractCegarLoop]: === Iteration 16 === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, alloc_dataErr4REQUIRES_VIOLATION, alloc_dataErr5REQUIRES_VIOLATION, alloc_dataErr10REQUIRES_VIOLATION, alloc_dataErr11REQUIRES_VIOLATION, alloc_dataErr0REQUIRES_VIOLATION, alloc_dataErr1REQUIRES_VIOLATION, alloc_dataErr6REQUIRES_VIOLATION, alloc_dataErr7REQUIRES_VIOLATION, alloc_dataErr2REQUIRES_VIOLATION, alloc_dataErr3REQUIRES_VIOLATION, alloc_dataErr8REQUIRES_VIOLATION, alloc_dataErr9REQUIRES_VIOLATION, free_dataErr7REQUIRES_VIOLATION, free_dataErr13ASSERT_VIOLATIONMEMORY_FREE, free_dataErr12ASSERT_VIOLATIONMEMORY_FREE, free_dataErr8ASSERT_VIOLATIONMEMORY_FREE, free_dataErr0REQUIRES_VIOLATION, free_dataErr1REQUIRES_VIOLATION, free_dataErr2REQUIRES_VIOLATION, free_dataErr3REQUIRES_VIOLATION, free_dataErr9ASSERT_VIOLATIONMEMORY_FREE, free_dataErr10ASSERT_VIOLATIONMEMORY_FREE, free_dataErr11ASSERT_VIOLATIONMEMORY_FREE, free_dataErr14REQUIRES_VIOLATION, free_dataErr4REQUIRES_VIOLATION, free_dataErr15REQUIRES_VIOLATION, free_dataErr5REQUIRES_VIOLATION, free_dataErr16REQUIRES_VIOLATION, free_dataErr17REQUIRES_VIOLATION, free_dataErr6REQUIRES_VIOLATION]=== [2019-11-15 22:46:16,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:46:16,690 INFO L82 PathProgramCache]: Analyzing trace with hash -37897827, now seen corresponding path program 1 times [2019-11-15 22:46:16,690 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:46:16,690 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472632701] [2019-11-15 22:46:16,691 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:46:16,691 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:46:16,691 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:46:16,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:46:16,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:46:16,749 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 22:46:16,749 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-11-15 22:46:16,766 WARN L417 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2019-11-15 22:46:16,780 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 10:46:16 BoogieIcfgContainer [2019-11-15 22:46:16,780 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-15 22:46:16,780 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 22:46:16,780 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 22:46:16,780 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 22:46:16,781 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:46:02" (3/4) ... [2019-11-15 22:46:16,784 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-15 22:46:16,784 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 22:46:16,786 INFO L168 Benchmark]: Toolchain (without parser) took 15454.50 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 290.5 MB). Free memory was 939.3 MB in the beginning and 930.5 MB in the end (delta: 8.9 MB). Peak memory consumption was 299.3 MB. Max. memory is 11.5 GB. [2019-11-15 22:46:16,786 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 22:46:16,787 INFO L168 Benchmark]: CACSL2BoogieTranslator took 459.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -188.7 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2019-11-15 22:46:16,788 INFO L168 Benchmark]: Boogie Preprocessor took 50.72 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-15 22:46:16,788 INFO L168 Benchmark]: RCFGBuilder took 614.81 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: 50.6 MB). Peak memory consumption was 50.6 MB. Max. memory is 11.5 GB. [2019-11-15 22:46:16,789 INFO L168 Benchmark]: TraceAbstraction took 14322.04 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 146.3 MB). Free memory was 1.1 GB in the beginning and 930.5 MB in the end (delta: 141.6 MB). Peak memory consumption was 287.9 MB. Max. memory is 11.5 GB. [2019-11-15 22:46:16,789 INFO L168 Benchmark]: Witness Printer took 4.02 ms. Allocated memory is still 1.3 GB. Free memory is still 930.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 22:46:16,792 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 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 459.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -188.7 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 50.72 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 614.81 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: 50.6 MB). Peak memory consumption was 50.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 14322.04 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 146.3 MB). Free memory was 1.1 GB in the beginning and 930.5 MB in the end (delta: 141.6 MB). Peak memory consumption was 287.9 MB. Max. memory is 11.5 GB. * Witness Printer took 4.02 ms. Allocated memory is still 1.3 GB. Free memory is still 930.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 534]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 534. Possible FailurePath: [L535] TData data; VAL [data={-3:0}] [L536] CALL alloc_data(&data) VAL [pdata={-3:0}] [L518] pdata->lo = (int *)malloc(sizeof(int)) VAL [malloc(sizeof(int))={-1:0}, pdata={-3:0}, pdata={-3:0}] [L519] pdata->hi = (int *)malloc(sizeof(int)) VAL [malloc(sizeof(int))={1:0}, malloc(sizeof(int))={-1:0}, pdata={-3:0}, pdata={-3:0}] [L520] EXPR pdata->lo VAL [malloc(sizeof(int))={1:0}, malloc(sizeof(int))={-1:0}, pdata={-3:0}, pdata={-3:0}, pdata->lo={-1:0}] [L520] *(pdata->lo) = 4 VAL [malloc(sizeof(int))={1:0}, malloc(sizeof(int))={-1:0}, pdata={-3:0}, pdata={-3:0}, pdata->lo={-1:0}] [L521] EXPR pdata->hi VAL [malloc(sizeof(int))={1:0}, malloc(sizeof(int))={-1:0}, pdata={-3:0}, pdata={-3:0}, pdata->hi={1:0}] [L521] *(pdata->hi) = 8 VAL [malloc(sizeof(int))={1:0}, malloc(sizeof(int))={-1:0}, pdata={-3:0}, pdata={-3:0}, pdata->hi={1:0}] [L536] RET alloc_data(&data) VAL [data={-3:0}] [L537] CALL free_data(&data) VAL [data={-3:0}] [L525] EXPR data->lo VAL [data={-3:0}, data={-3:0}, data->lo={-1:0}] [L525] int *lo = data->lo; [L526] EXPR data->hi VAL [data={-3:0}, data={-3:0}, data->hi={1:0}, lo={-1:0}] [L526] int *hi = data->hi; [L527] EXPR \read(*lo) VAL [\read(*lo)=4, data={-3:0}, data={-3:0}, hi={1:0}, lo={-1:0}] [L527] EXPR \read(*hi) VAL [\read(*hi)=8, \read(*lo)=4, data={-3:0}, data={-3:0}, hi={1:0}, lo={-1:0}] [L527] COND FALSE !(*lo >= *hi) [L531] data->lo = ((void *)0) VAL [data={-3:0}, data={-3:0}, hi={1:0}, lo={-1:0}] [L532] data->hi = ((void *)0) VAL [data={-3:0}, data={-3:0}, hi={1:0}, lo={-1:0}] [L537] RET free_data(&data) VAL [data={-3:0}] [L538] return 0; [L538] return 0; VAL [\result=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 10 procedures, 89 locations, 31 error locations. Result: UNSAFE, OverallTime: 14.2s, OverallIterations: 16, TraceHistogramMax: 1, AutomataDifference: 9.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 412 SDtfs, 1079 SDslu, 1320 SDs, 0 SdLazy, 4933 SolverSat, 302 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 335 GetRequests, 40 SyntacticMatches, 3 SemanticMatches, 292 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 803 ImplicationChecksByTransitivity, 8.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=74occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 15 MinimizatonAttempts, 84 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 4.2s InterpolantComputationTime, 334 NumberOfCodeBlocks, 334 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 285 ConstructedInterpolants, 0 QuantifiedInterpolants, 88257 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 15 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-cad4683 [2019-11-15 22:46:18,862 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 22:46:18,864 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 22:46:18,874 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 22:46:18,874 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 22:46:18,875 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 22:46:18,876 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 22:46:18,878 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 22:46:18,879 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 22:46:18,880 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 22:46:18,881 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 22:46:18,882 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 22:46:18,882 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 22:46:18,883 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 22:46:18,884 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 22:46:18,885 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 22:46:18,885 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 22:46:18,886 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 22:46:18,888 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 22:46:18,890 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 22:46:18,891 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 22:46:18,892 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 22:46:18,893 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 22:46:18,894 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 22:46:18,896 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 22:46:18,896 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 22:46:18,897 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 22:46:18,897 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 22:46:18,898 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 22:46:18,899 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 22:46:18,899 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 22:46:18,900 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 22:46:18,900 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 22:46:18,901 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 22:46:18,902 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 22:46:18,902 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 22:46:18,903 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 22:46:18,903 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 22:46:18,904 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 22:46:18,904 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 22:46:18,905 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 22:46:18,906 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_aa39808b-9b62-4ed9-a946-b8789c31ed92/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-15 22:46:18,919 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 22:46:18,920 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 22:46:18,921 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 22:46:18,921 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 22:46:18,921 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 22:46:18,922 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 22:46:18,922 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 22:46:18,922 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-15 22:46:18,922 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 22:46:18,922 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 22:46:18,923 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 22:46:18,923 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-15 22:46:18,923 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-15 22:46:18,923 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-15 22:46:18,924 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 22:46:18,924 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-15 22:46:18,924 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-15 22:46:18,924 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 22:46:18,924 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 22:46:18,925 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 22:46:18,925 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 22:46:18,925 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 22:46:18,925 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 22:46:18,926 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 22:46:18,926 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 22:46:18,926 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 22:46:18,926 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-15 22:46:18,926 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-15 22:46:18,927 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-15 22:46:18,927 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_aa39808b-9b62-4ed9-a946-b8789c31ed92/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eb5e103dbe59a250cbe01613b667895523582d5d [2019-11-15 22:46:18,961 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 22:46:18,969 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 22:46:18,975 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 22:46:18,976 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 22:46:18,977 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 22:46:18,977 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_aa39808b-9b62-4ed9-a946-b8789c31ed92/bin/uautomizer/../../sv-benchmarks/c/list-ext-properties/test-0019_1-1.i [2019-11-15 22:46:19,052 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_aa39808b-9b62-4ed9-a946-b8789c31ed92/bin/uautomizer/data/dd920c0cc/fdd4f1ffe436472986d3fbcc3739a0e9/FLAG85b8d5408 [2019-11-15 22:46:19,490 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 22:46:19,491 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_aa39808b-9b62-4ed9-a946-b8789c31ed92/sv-benchmarks/c/list-ext-properties/test-0019_1-1.i [2019-11-15 22:46:19,502 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_aa39808b-9b62-4ed9-a946-b8789c31ed92/bin/uautomizer/data/dd920c0cc/fdd4f1ffe436472986d3fbcc3739a0e9/FLAG85b8d5408 [2019-11-15 22:46:19,860 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_aa39808b-9b62-4ed9-a946-b8789c31ed92/bin/uautomizer/data/dd920c0cc/fdd4f1ffe436472986d3fbcc3739a0e9 [2019-11-15 22:46:19,862 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 22:46:19,863 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-15 22:46:19,864 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 22:46:19,864 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 22:46:19,866 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 22:46:19,866 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:46:19" (1/1) ... [2019-11-15 22:46:19,868 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7da83c11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:46:19, skipping insertion in model container [2019-11-15 22:46:19,868 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:46:19" (1/1) ... [2019-11-15 22:46:19,878 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 22:46:19,914 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 22:46:20,264 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 22:46:20,275 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 22:46:20,321 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 22:46:20,391 INFO L192 MainTranslator]: Completed translation [2019-11-15 22:46:20,392 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:46:20 WrapperNode [2019-11-15 22:46:20,392 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 22:46:20,393 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 22:46:20,393 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 22:46:20,393 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 22:46:20,402 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:46:20" (1/1) ... [2019-11-15 22:46:20,402 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:46:20" (1/1) ... [2019-11-15 22:46:20,418 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:46:20" (1/1) ... [2019-11-15 22:46:20,418 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:46:20" (1/1) ... [2019-11-15 22:46:20,436 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:46:20" (1/1) ... [2019-11-15 22:46:20,437 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:46:20" (1/1) ... [2019-11-15 22:46:20,441 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:46:20" (1/1) ... [2019-11-15 22:46:20,447 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 22:46:20,448 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 22:46:20,448 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 22:46:20,448 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 22:46:20,449 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:46:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aa39808b-9b62-4ed9-a946-b8789c31ed92/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 22:46:20,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-15 22:46:20,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 22:46:20,494 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-15 22:46:20,494 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-15 22:46:20,494 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-15 22:46:20,494 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-15 22:46:20,494 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-15 22:46:20,495 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_data [2019-11-15 22:46:20,495 INFO L138 BoogieDeclarations]: Found implementation of procedure free_data [2019-11-15 22:46:20,495 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-15 22:46:20,495 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-15 22:46:20,495 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-15 22:46:20,496 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-15 22:46:20,496 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-15 22:46:20,496 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-15 22:46:20,496 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-15 22:46:20,496 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-15 22:46:20,497 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-15 22:46:20,497 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-15 22:46:20,497 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-15 22:46:20,497 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-15 22:46:20,497 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-15 22:46:20,497 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-15 22:46:20,497 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-15 22:46:20,497 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-15 22:46:20,497 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-15 22:46:20,498 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-15 22:46:20,498 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-15 22:46:20,498 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-15 22:46:20,498 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-15 22:46:20,498 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-15 22:46:20,498 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-15 22:46:20,498 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-15 22:46:20,498 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-15 22:46:20,499 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-15 22:46:20,499 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-15 22:46:20,499 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-15 22:46:20,499 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-15 22:46:20,499 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-15 22:46:20,499 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-15 22:46:20,499 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-15 22:46:20,499 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-15 22:46:20,499 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-15 22:46:20,499 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-15 22:46:20,499 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-15 22:46:20,499 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-15 22:46:20,500 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-15 22:46:20,500 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-15 22:46:20,500 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-15 22:46:20,500 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-15 22:46:20,500 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-15 22:46:20,500 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-15 22:46:20,500 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-15 22:46:20,500 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-15 22:46:20,500 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-15 22:46:20,500 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-15 22:46:20,501 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-15 22:46:20,501 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-15 22:46:20,501 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-15 22:46:20,501 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-15 22:46:20,501 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-15 22:46:20,501 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-15 22:46:20,501 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-15 22:46:20,502 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-15 22:46:20,502 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-15 22:46:20,502 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-15 22:46:20,502 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-15 22:46:20,502 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-15 22:46:20,502 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-15 22:46:20,503 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-15 22:46:20,503 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-15 22:46:20,503 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-15 22:46:20,503 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-15 22:46:20,503 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-15 22:46:20,503 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-15 22:46:20,504 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-15 22:46:20,504 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-15 22:46:20,504 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-15 22:46:20,504 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-15 22:46:20,504 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-15 22:46:20,504 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-15 22:46:20,505 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-15 22:46:20,505 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-15 22:46:20,505 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-15 22:46:20,505 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-15 22:46:20,505 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-15 22:46:20,505 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-15 22:46:20,506 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-15 22:46:20,506 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-15 22:46:20,506 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-15 22:46:20,506 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-15 22:46:20,506 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-15 22:46:20,506 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-15 22:46:20,507 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-15 22:46:20,507 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-15 22:46:20,507 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-15 22:46:20,507 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-15 22:46:20,507 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-15 22:46:20,507 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-15 22:46:20,508 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-15 22:46:20,508 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-15 22:46:20,508 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-15 22:46:20,508 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-15 22:46:20,508 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-15 22:46:20,508 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-15 22:46:20,509 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-15 22:46:20,509 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-15 22:46:20,509 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-15 22:46:20,509 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-15 22:46:20,509 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-15 22:46:20,510 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-15 22:46:20,510 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-15 22:46:20,510 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-15 22:46:20,510 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-15 22:46:20,510 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-15 22:46:20,510 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-15 22:46:20,511 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-15 22:46:20,511 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-15 22:46:20,511 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_data [2019-11-15 22:46:20,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-15 22:46:20,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-15 22:46:20,511 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-15 22:46:20,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-15 22:46:20,512 INFO L130 BoogieDeclarations]: Found specification of procedure free_data [2019-11-15 22:46:20,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-15 22:46:20,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-15 22:46:20,512 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-15 22:46:20,512 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-15 22:46:20,513 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-15 22:46:20,513 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 22:46:21,118 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 22:46:21,118 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-11-15 22:46:21,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:46:21 BoogieIcfgContainer [2019-11-15 22:46:21,119 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 22:46:21,120 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 22:46:21,120 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 22:46:21,122 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 22:46:21,122 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 10:46:19" (1/3) ... [2019-11-15 22:46:21,123 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c2ffa89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 10:46:21, skipping insertion in model container [2019-11-15 22:46:21,123 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:46:20" (2/3) ... [2019-11-15 22:46:21,124 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c2ffa89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 10:46:21, skipping insertion in model container [2019-11-15 22:46:21,124 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:46:21" (3/3) ... [2019-11-15 22:46:21,125 INFO L109 eAbstractionObserver]: Analyzing ICFG test-0019_1-1.i [2019-11-15 22:46:21,134 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 22:46:21,140 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 31 error locations. [2019-11-15 22:46:21,150 INFO L249 AbstractCegarLoop]: Starting to check reachability of 31 error locations. [2019-11-15 22:46:21,167 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 22:46:21,168 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-15 22:46:21,168 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 22:46:21,168 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 22:46:21,168 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 22:46:21,168 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 22:46:21,169 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 22:46:21,169 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 22:46:21,183 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states. [2019-11-15 22:46:21,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-15 22:46:21,192 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:46:21,193 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:46:21,194 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, alloc_dataErr6REQUIRES_VIOLATION, alloc_dataErr1REQUIRES_VIOLATION, alloc_dataErr7REQUIRES_VIOLATION, alloc_dataErr10REQUIRES_VIOLATION, alloc_dataErr5REQUIRES_VIOLATION, alloc_dataErr0REQUIRES_VIOLATION, alloc_dataErr11REQUIRES_VIOLATION, alloc_dataErr9REQUIRES_VIOLATION, alloc_dataErr4REQUIRES_VIOLATION, alloc_dataErr2REQUIRES_VIOLATION, alloc_dataErr8REQUIRES_VIOLATION, alloc_dataErr3REQUIRES_VIOLATION, free_dataErr10ASSERT_VIOLATIONMEMORY_FREE, free_dataErr0REQUIRES_VIOLATION, free_dataErr1REQUIRES_VIOLATION, free_dataErr14REQUIRES_VIOLATION, free_dataErr4REQUIRES_VIOLATION, free_dataErr13ASSERT_VIOLATIONMEMORY_FREE, free_dataErr15REQUIRES_VIOLATION, free_dataErr2REQUIRES_VIOLATION, free_dataErr3REQUIRES_VIOLATION, free_dataErr6REQUIRES_VIOLATION, free_dataErr8ASSERT_VIOLATIONMEMORY_FREE, free_dataErr12ASSERT_VIOLATIONMEMORY_FREE, free_dataErr17REQUIRES_VIOLATION, free_dataErr7REQUIRES_VIOLATION, free_dataErr9ASSERT_VIOLATIONMEMORY_FREE, free_dataErr5REQUIRES_VIOLATION, free_dataErr16REQUIRES_VIOLATION, free_dataErr11ASSERT_VIOLATIONMEMORY_FREE]=== [2019-11-15 22:46:21,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:46:21,199 INFO L82 PathProgramCache]: Analyzing trace with hash 1782233127, now seen corresponding path program 1 times [2019-11-15 22:46:21,217 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-15 22:46:21,217 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [300542143] [2019-11-15 22:46:21,218 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aa39808b-9b62-4ed9-a946-b8789c31ed92/bin/uautomizer/cvc4 Starting monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-15 22:46:21,460 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-15 22:46:21,461 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Sort C_DOUBLE not declared at de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:412) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:223) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.NonDeclaringTermTransferrer.transferSort(NonDeclaringTermTransferrer.java:111) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.DeclarableFunctionSymbol.defineOrDeclare(DeclarableFunctionSymbol.java:160) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:143) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:168) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.SmtFunctionsAndAxioms.transferSymbols(SmtFunctionsAndAxioms.java:139) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleTraceCheck.createExternalManagedScript(IpTcStrategyModuleTraceCheck.java:81) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCvc4.constructManagedScript(IpTcStrategyModuleCvc4.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.checkFeasibility(TraceAbstractionRefinementEngine.java:244) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.executeStrategy(TraceAbstractionRefinementEngine.java:160) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.RefinementEngineFactory.runRefinementEngine(RefinementEngineFactory.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-15 22:46:21,465 INFO L168 Benchmark]: Toolchain (without parser) took 1600.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 172.0 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -132.4 MB). Peak memory consumption was 39.5 MB. Max. memory is 11.5 GB. [2019-11-15 22:46:21,465 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 977.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 22:46:21,466 INFO L168 Benchmark]: CACSL2BoogieTranslator took 529.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 172.0 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -202.1 MB). Peak memory consumption was 23.6 MB. Max. memory is 11.5 GB. [2019-11-15 22:46:21,466 INFO L168 Benchmark]: Boogie Preprocessor took 54.76 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 22:46:21,467 INFO L168 Benchmark]: RCFGBuilder took 671.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 57.1 MB). Peak memory consumption was 57.1 MB. Max. memory is 11.5 GB. [2019-11-15 22:46:21,471 INFO L168 Benchmark]: TraceAbstraction took 342.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 11.5 GB. [2019-11-15 22:46:21,479 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 977.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 529.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 172.0 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -202.1 MB). Peak memory consumption was 23.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 54.76 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 671.44 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: 57.1 MB). Peak memory consumption was 57.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 342.86 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: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: Sort C_DOUBLE not declared de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: Sort C_DOUBLE not declared: de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:412) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...