./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-ext3-properties/sll_nondet_insert-2.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_d4080c4d-3fc5-42a6-a5b1-359f2eea65d7/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_d4080c4d-3fc5-42a6-a5b1-359f2eea65d7/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d4080c4d-3fc5-42a6-a5b1-359f2eea65d7/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d4080c4d-3fc5-42a6-a5b1-359f2eea65d7/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-ext3-properties/sll_nondet_insert-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_d4080c4d-3fc5-42a6-a5b1-359f2eea65d7/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d4080c4d-3fc5-42a6-a5b1-359f2eea65d7/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 75d2739bd782575ec6c25559f2b36c2d3e75b585 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_d4080c4d-3fc5-42a6-a5b1-359f2eea65d7/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_d4080c4d-3fc5-42a6-a5b1-359f2eea65d7/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d4080c4d-3fc5-42a6-a5b1-359f2eea65d7/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d4080c4d-3fc5-42a6-a5b1-359f2eea65d7/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-ext3-properties/sll_nondet_insert-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_d4080c4d-3fc5-42a6-a5b1-359f2eea65d7/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d4080c4d-3fc5-42a6-a5b1-359f2eea65d7/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 75d2739bd782575ec6c25559f2b36c2d3e75b585 ....................................................................................................................................................................................................................................................................................................................................................................... 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 [2019-11-16 00:39:24,714 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 00:39:24,716 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 00:39:24,730 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 00:39:24,730 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 00:39:24,731 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 00:39:24,733 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 00:39:24,741 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 00:39:24,745 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 00:39:24,750 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 00:39:24,750 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 00:39:24,752 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 00:39:24,752 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 00:39:24,754 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 00:39:24,755 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 00:39:24,755 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 00:39:24,756 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 00:39:24,757 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 00:39:24,759 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 00:39:24,762 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 00:39:24,765 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 00:39:24,766 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 00:39:24,768 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 00:39:24,769 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 00:39:24,772 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 00:39:24,772 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 00:39:24,773 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 00:39:24,774 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 00:39:24,774 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 00:39:24,775 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 00:39:24,775 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 00:39:24,776 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 00:39:24,776 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 00:39:24,777 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 00:39:24,778 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 00:39:24,778 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 00:39:24,779 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 00:39:24,779 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 00:39:24,779 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 00:39:24,780 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 00:39:24,781 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 00:39:24,782 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d4080c4d-3fc5-42a6-a5b1-359f2eea65d7/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-16 00:39:24,804 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 00:39:24,804 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 00:39:24,806 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 00:39:24,806 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 00:39:24,806 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 00:39:24,806 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 00:39:24,806 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-16 00:39:24,807 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-16 00:39:24,807 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-16 00:39:24,807 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-16 00:39:24,807 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 00:39:24,807 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-16 00:39:24,808 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-16 00:39:24,808 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-16 00:39:24,808 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-16 00:39:24,808 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-16 00:39:24,808 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 00:39:24,809 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 00:39:24,809 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 00:39:24,809 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-16 00:39:24,809 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-16 00:39:24,809 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-16 00:39:24,810 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 00:39:24,810 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-16 00:39:24,810 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-16 00:39:24,810 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-16 00:39:24,811 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_d4080c4d-3fc5-42a6-a5b1-359f2eea65d7/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 -> 75d2739bd782575ec6c25559f2b36c2d3e75b585 [2019-11-16 00:39:24,856 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 00:39:24,867 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 00:39:24,871 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 00:39:24,872 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 00:39:24,872 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 00:39:24,873 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d4080c4d-3fc5-42a6-a5b1-359f2eea65d7/bin/uautomizer/../../sv-benchmarks/c/list-ext3-properties/sll_nondet_insert-2.i [2019-11-16 00:39:24,928 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d4080c4d-3fc5-42a6-a5b1-359f2eea65d7/bin/uautomizer/data/b35137187/12ec96b3d6f046ce82ce04c0d5763ba6/FLAGf7ab5a594 [2019-11-16 00:39:25,363 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 00:39:25,363 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d4080c4d-3fc5-42a6-a5b1-359f2eea65d7/sv-benchmarks/c/list-ext3-properties/sll_nondet_insert-2.i [2019-11-16 00:39:25,376 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d4080c4d-3fc5-42a6-a5b1-359f2eea65d7/bin/uautomizer/data/b35137187/12ec96b3d6f046ce82ce04c0d5763ba6/FLAGf7ab5a594 [2019-11-16 00:39:25,721 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d4080c4d-3fc5-42a6-a5b1-359f2eea65d7/bin/uautomizer/data/b35137187/12ec96b3d6f046ce82ce04c0d5763ba6 [2019-11-16 00:39:25,723 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 00:39:25,724 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-16 00:39:25,725 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 00:39:25,726 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 00:39:25,729 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 00:39:25,729 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:39:25" (1/1) ... [2019-11-16 00:39:25,732 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@460fbca4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:39:25, skipping insertion in model container [2019-11-16 00:39:25,732 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:39:25" (1/1) ... [2019-11-16 00:39:25,738 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 00:39:25,772 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 00:39:26,159 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 00:39:26,166 INFO L188 MainTranslator]: Completed pre-run [2019-11-16 00:39:26,211 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 00:39:26,262 INFO L192 MainTranslator]: Completed translation [2019-11-16 00:39:26,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:39:26 WrapperNode [2019-11-16 00:39:26,263 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-16 00:39:26,263 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-16 00:39:26,264 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-16 00:39:26,264 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-16 00:39:26,274 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:39:26" (1/1) ... [2019-11-16 00:39:26,274 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:39:26" (1/1) ... [2019-11-16 00:39:26,287 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:39:26" (1/1) ... [2019-11-16 00:39:26,287 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:39:26" (1/1) ... [2019-11-16 00:39:26,305 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:39:26" (1/1) ... [2019-11-16 00:39:26,310 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:39:26" (1/1) ... [2019-11-16 00:39:26,314 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:39:26" (1/1) ... [2019-11-16 00:39:26,321 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-16 00:39:26,321 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-16 00:39:26,321 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-16 00:39:26,321 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-16 00:39:26,322 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:39:26" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d4080c4d-3fc5-42a6-a5b1-359f2eea65d7/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 [2019-11-16 00:39:26,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-16 00:39:26,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-16 00:39:26,392 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-16 00:39:26,392 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-16 00:39:26,392 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-11-16 00:39:26,393 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_create [2019-11-16 00:39:26,393 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_length [2019-11-16 00:39:26,394 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_destroy [2019-11-16 00:39:26,394 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_insert [2019-11-16 00:39:26,395 INFO L138 BoogieDeclarations]: Found implementation of procedure _get_nondet_int [2019-11-16 00:39:26,395 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-16 00:39:26,395 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-16 00:39:26,396 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-16 00:39:26,396 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-16 00:39:26,396 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-16 00:39:26,396 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-16 00:39:26,397 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-16 00:39:26,397 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-16 00:39:26,399 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-16 00:39:26,399 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-16 00:39:26,399 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-16 00:39:26,399 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-16 00:39:26,400 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-16 00:39:26,400 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-16 00:39:26,400 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-16 00:39:26,400 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-16 00:39:26,400 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-16 00:39:26,400 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-16 00:39:26,400 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-16 00:39:26,400 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-16 00:39:26,401 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-16 00:39:26,401 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-16 00:39:26,401 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-16 00:39:26,401 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-16 00:39:26,401 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-16 00:39:26,401 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-16 00:39:26,401 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-16 00:39:26,401 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-16 00:39:26,402 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-16 00:39:26,402 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-16 00:39:26,402 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-16 00:39:26,402 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-16 00:39:26,402 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-16 00:39:26,402 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-16 00:39:26,402 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-16 00:39:26,403 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-16 00:39:26,404 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-16 00:39:26,404 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-16 00:39:26,404 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-16 00:39:26,404 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-16 00:39:26,404 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-16 00:39:26,404 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-16 00:39:26,404 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-16 00:39:26,404 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-16 00:39:26,405 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-16 00:39:26,405 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-16 00:39:26,405 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-16 00:39:26,405 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-16 00:39:26,405 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-16 00:39:26,406 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-16 00:39:26,406 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-16 00:39:26,406 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-16 00:39:26,406 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-16 00:39:26,406 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-16 00:39:26,406 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-16 00:39:26,407 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-16 00:39:26,407 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-16 00:39:26,407 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-16 00:39:26,407 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-16 00:39:26,407 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-11-16 00:39:26,408 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-16 00:39:26,408 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-16 00:39:26,408 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-16 00:39:26,408 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-16 00:39:26,409 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-16 00:39:26,409 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-16 00:39:26,409 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-16 00:39:26,410 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-16 00:39:26,410 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-16 00:39:26,410 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-16 00:39:26,410 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-16 00:39:26,410 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-16 00:39:26,411 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-16 00:39:26,411 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-16 00:39:26,411 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-16 00:39:26,411 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-16 00:39:26,411 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-16 00:39:26,411 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-16 00:39:26,411 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-16 00:39:26,411 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-16 00:39:26,412 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-16 00:39:26,412 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-16 00:39:26,412 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-16 00:39:26,412 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-16 00:39:26,412 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-16 00:39:26,412 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-16 00:39:26,412 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-16 00:39:26,412 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-16 00:39:26,413 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-16 00:39:26,413 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-16 00:39:26,413 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-16 00:39:26,413 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-16 00:39:26,413 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-16 00:39:26,413 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-16 00:39:26,413 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-16 00:39:26,413 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-16 00:39:26,414 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-16 00:39:26,414 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-16 00:39:26,414 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-16 00:39:26,414 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-16 00:39:26,414 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-16 00:39:26,414 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-16 00:39:26,414 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-16 00:39:26,415 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-16 00:39:26,415 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-16 00:39:26,415 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-16 00:39:26,415 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-16 00:39:26,418 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-16 00:39:26,418 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-11-16 00:39:26,418 INFO L130 BoogieDeclarations]: Found specification of procedure sll_create [2019-11-16 00:39:26,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-16 00:39:26,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-16 00:39:26,419 INFO L130 BoogieDeclarations]: Found specification of procedure sll_length [2019-11-16 00:39:26,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-16 00:39:26,419 INFO L130 BoogieDeclarations]: Found specification of procedure sll_destroy [2019-11-16 00:39:26,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-16 00:39:26,419 INFO L130 BoogieDeclarations]: Found specification of procedure sll_insert [2019-11-16 00:39:26,419 INFO L130 BoogieDeclarations]: Found specification of procedure _get_nondet_int [2019-11-16 00:39:26,420 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-16 00:39:26,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-16 00:39:26,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-16 00:39:26,420 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-16 00:39:26,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-16 00:39:26,764 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-11-16 00:39:27,203 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-16 00:39:27,203 INFO L284 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-16 00:39:27,204 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:39:27 BoogieIcfgContainer [2019-11-16 00:39:27,205 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-16 00:39:27,205 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-16 00:39:27,206 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-16 00:39:27,208 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-16 00:39:27,208 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:39:25" (1/3) ... [2019-11-16 00:39:27,208 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fd74111 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:39:27, skipping insertion in model container [2019-11-16 00:39:27,209 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:39:26" (2/3) ... [2019-11-16 00:39:27,209 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fd74111 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:39:27, skipping insertion in model container [2019-11-16 00:39:27,209 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:39:27" (3/3) ... [2019-11-16 00:39:27,211 INFO L109 eAbstractionObserver]: Analyzing ICFG sll_nondet_insert-2.i [2019-11-16 00:39:27,221 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-16 00:39:27,229 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 24 error locations. [2019-11-16 00:39:27,239 INFO L249 AbstractCegarLoop]: Starting to check reachability of 24 error locations. [2019-11-16 00:39:27,260 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-16 00:39:27,260 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-16 00:39:27,261 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-16 00:39:27,261 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-16 00:39:27,261 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-16 00:39:27,261 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-16 00:39:27,261 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-16 00:39:27,261 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-16 00:39:27,275 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states. [2019-11-16 00:39:27,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-16 00:39:27,283 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:39:27,284 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:39:27,285 INFO L410 AbstractCegarLoop]: === Iteration 1 === [sll_destroyErr4ASSERT_VIOLATIONMEMORY_FREE, sll_destroyErr2ASSERT_VIOLATIONMEMORY_FREE, sll_destroyErr3ASSERT_VIOLATIONMEMORY_FREE, sll_destroyErr1REQUIRES_VIOLATION, sll_destroyErr0REQUIRES_VIOLATION, sll_createErr1REQUIRES_VIOLATION, sll_createErr0REQUIRES_VIOLATION, sll_insertErr8REQUIRES_VIOLATION, sll_insertErr3REQUIRES_VIOLATION, sll_insertErr9REQUIRES_VIOLATION, sll_insertErr4REQUIRES_VIOLATION, sll_insertErr5REQUIRES_VIOLATION, sll_insertErr0REQUIRES_VIOLATION, sll_insertErr6REQUIRES_VIOLATION, sll_insertErr1REQUIRES_VIOLATION, sll_insertErr7REQUIRES_VIOLATION, sll_insertErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr2REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, sll_lengthErr1REQUIRES_VIOLATION, sll_lengthErr0REQUIRES_VIOLATION]=== [2019-11-16 00:39:27,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:39:27,290 INFO L82 PathProgramCache]: Analyzing trace with hash -1730495525, now seen corresponding path program 1 times [2019-11-16 00:39:27,297 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:39:27,297 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863707837] [2019-11-16 00:39:27,297 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:39:27,297 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:39:27,297 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:39:27,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:39:27,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:39:27,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:39:27,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:39:27,442 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1863707837] [2019-11-16 00:39:27,443 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:39:27,443 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-16 00:39:27,444 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147105344] [2019-11-16 00:39:27,448 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-16 00:39:27,448 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:39:27,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-16 00:39:27,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-16 00:39:27,463 INFO L87 Difference]: Start difference. First operand 103 states. Second operand 3 states. [2019-11-16 00:39:27,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:39:27,682 INFO L93 Difference]: Finished difference Result 121 states and 134 transitions. [2019-11-16 00:39:27,682 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-16 00:39:27,684 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 18 [2019-11-16 00:39:27,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:39:27,694 INFO L225 Difference]: With dead ends: 121 [2019-11-16 00:39:27,694 INFO L226 Difference]: Without dead ends: 113 [2019-11-16 00:39:27,696 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-16 00:39:27,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2019-11-16 00:39:27,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 95. [2019-11-16 00:39:27,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2019-11-16 00:39:27,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 104 transitions. [2019-11-16 00:39:27,757 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 104 transitions. Word has length 18 [2019-11-16 00:39:27,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:39:27,757 INFO L462 AbstractCegarLoop]: Abstraction has 95 states and 104 transitions. [2019-11-16 00:39:27,758 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-16 00:39:27,758 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 104 transitions. [2019-11-16 00:39:27,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-16 00:39:27,761 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:39:27,761 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] [2019-11-16 00:39:27,761 INFO L410 AbstractCegarLoop]: === Iteration 2 === [sll_destroyErr4ASSERT_VIOLATIONMEMORY_FREE, sll_destroyErr2ASSERT_VIOLATIONMEMORY_FREE, sll_destroyErr3ASSERT_VIOLATIONMEMORY_FREE, sll_destroyErr1REQUIRES_VIOLATION, sll_destroyErr0REQUIRES_VIOLATION, sll_createErr1REQUIRES_VIOLATION, sll_createErr0REQUIRES_VIOLATION, sll_insertErr8REQUIRES_VIOLATION, sll_insertErr3REQUIRES_VIOLATION, sll_insertErr9REQUIRES_VIOLATION, sll_insertErr4REQUIRES_VIOLATION, sll_insertErr5REQUIRES_VIOLATION, sll_insertErr0REQUIRES_VIOLATION, sll_insertErr6REQUIRES_VIOLATION, sll_insertErr1REQUIRES_VIOLATION, sll_insertErr7REQUIRES_VIOLATION, sll_insertErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr2REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, sll_lengthErr1REQUIRES_VIOLATION, sll_lengthErr0REQUIRES_VIOLATION]=== [2019-11-16 00:39:27,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:39:27,762 INFO L82 PathProgramCache]: Analyzing trace with hash -994568588, now seen corresponding path program 1 times [2019-11-16 00:39:27,762 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:39:27,762 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153673225] [2019-11-16 00:39:27,762 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:39:27,762 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:39:27,762 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:39:27,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:39:27,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:39:27,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:39:27,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:39:27,901 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153673225] [2019-11-16 00:39:27,901 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:39:27,901 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-16 00:39:27,901 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241365168] [2019-11-16 00:39:27,903 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-16 00:39:27,903 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:39:27,903 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-16 00:39:27,903 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-16 00:39:27,904 INFO L87 Difference]: Start difference. First operand 95 states and 104 transitions. Second operand 4 states. [2019-11-16 00:39:28,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:39:28,169 INFO L93 Difference]: Finished difference Result 112 states and 123 transitions. [2019-11-16 00:39:28,169 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-16 00:39:28,170 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2019-11-16 00:39:28,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:39:28,171 INFO L225 Difference]: With dead ends: 112 [2019-11-16 00:39:28,172 INFO L226 Difference]: Without dead ends: 112 [2019-11-16 00:39:28,172 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-16 00:39:28,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2019-11-16 00:39:28,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 94. [2019-11-16 00:39:28,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2019-11-16 00:39:28,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 103 transitions. [2019-11-16 00:39:28,183 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 103 transitions. Word has length 20 [2019-11-16 00:39:28,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:39:28,185 INFO L462 AbstractCegarLoop]: Abstraction has 94 states and 103 transitions. [2019-11-16 00:39:28,185 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-16 00:39:28,185 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 103 transitions. [2019-11-16 00:39:28,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-16 00:39:28,186 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:39:28,186 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] [2019-11-16 00:39:28,187 INFO L410 AbstractCegarLoop]: === Iteration 3 === [sll_destroyErr4ASSERT_VIOLATIONMEMORY_FREE, sll_destroyErr2ASSERT_VIOLATIONMEMORY_FREE, sll_destroyErr3ASSERT_VIOLATIONMEMORY_FREE, sll_destroyErr1REQUIRES_VIOLATION, sll_destroyErr0REQUIRES_VIOLATION, sll_createErr1REQUIRES_VIOLATION, sll_createErr0REQUIRES_VIOLATION, sll_insertErr8REQUIRES_VIOLATION, sll_insertErr3REQUIRES_VIOLATION, sll_insertErr9REQUIRES_VIOLATION, sll_insertErr4REQUIRES_VIOLATION, sll_insertErr5REQUIRES_VIOLATION, sll_insertErr0REQUIRES_VIOLATION, sll_insertErr6REQUIRES_VIOLATION, sll_insertErr1REQUIRES_VIOLATION, sll_insertErr7REQUIRES_VIOLATION, sll_insertErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr2REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, sll_lengthErr1REQUIRES_VIOLATION, sll_lengthErr0REQUIRES_VIOLATION]=== [2019-11-16 00:39:28,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:39:28,187 INFO L82 PathProgramCache]: Analyzing trace with hash -994568587, now seen corresponding path program 1 times [2019-11-16 00:39:28,188 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:39:28,188 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551636572] [2019-11-16 00:39:28,188 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:39:28,188 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:39:28,189 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:39:28,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:39:28,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:39:28,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:39:28,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:39:28,290 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551636572] [2019-11-16 00:39:28,290 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:39:28,290 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-16 00:39:28,291 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744544744] [2019-11-16 00:39:28,291 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-16 00:39:28,291 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:39:28,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-16 00:39:28,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-16 00:39:28,292 INFO L87 Difference]: Start difference. First operand 94 states and 103 transitions. Second operand 4 states. [2019-11-16 00:39:28,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:39:28,550 INFO L93 Difference]: Finished difference Result 111 states and 122 transitions. [2019-11-16 00:39:28,550 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-16 00:39:28,550 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2019-11-16 00:39:28,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:39:28,552 INFO L225 Difference]: With dead ends: 111 [2019-11-16 00:39:28,552 INFO L226 Difference]: Without dead ends: 111 [2019-11-16 00:39:28,553 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-16 00:39:28,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2019-11-16 00:39:28,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 93. [2019-11-16 00:39:28,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2019-11-16 00:39:28,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 102 transitions. [2019-11-16 00:39:28,569 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 102 transitions. Word has length 20 [2019-11-16 00:39:28,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:39:28,570 INFO L462 AbstractCegarLoop]: Abstraction has 93 states and 102 transitions. [2019-11-16 00:39:28,570 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-16 00:39:28,570 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 102 transitions. [2019-11-16 00:39:28,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-16 00:39:28,571 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:39:28,571 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:39:28,572 INFO L410 AbstractCegarLoop]: === Iteration 4 === [sll_destroyErr4ASSERT_VIOLATIONMEMORY_FREE, sll_destroyErr2ASSERT_VIOLATIONMEMORY_FREE, sll_destroyErr3ASSERT_VIOLATIONMEMORY_FREE, sll_destroyErr1REQUIRES_VIOLATION, sll_destroyErr0REQUIRES_VIOLATION, sll_createErr1REQUIRES_VIOLATION, sll_createErr0REQUIRES_VIOLATION, sll_insertErr8REQUIRES_VIOLATION, sll_insertErr3REQUIRES_VIOLATION, sll_insertErr9REQUIRES_VIOLATION, sll_insertErr4REQUIRES_VIOLATION, sll_insertErr5REQUIRES_VIOLATION, sll_insertErr0REQUIRES_VIOLATION, sll_insertErr6REQUIRES_VIOLATION, sll_insertErr1REQUIRES_VIOLATION, sll_insertErr7REQUIRES_VIOLATION, sll_insertErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr2REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, sll_lengthErr1REQUIRES_VIOLATION, sll_lengthErr0REQUIRES_VIOLATION]=== [2019-11-16 00:39:28,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:39:28,572 INFO L82 PathProgramCache]: Analyzing trace with hash -1313530835, now seen corresponding path program 1 times [2019-11-16 00:39:28,572 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:39:28,572 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317178616] [2019-11-16 00:39:28,573 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:39:28,573 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:39:28,573 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:39:28,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:39:28,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:39:28,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:39:28,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:39:28,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:39:28,710 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-16 00:39:28,711 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1317178616] [2019-11-16 00:39:28,711 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:39:28,711 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-16 00:39:28,712 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478139384] [2019-11-16 00:39:28,713 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-16 00:39:28,713 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:39:28,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-16 00:39:28,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-16 00:39:28,714 INFO L87 Difference]: Start difference. First operand 93 states and 102 transitions. Second operand 6 states. [2019-11-16 00:39:29,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:39:29,149 INFO L93 Difference]: Finished difference Result 120 states and 135 transitions. [2019-11-16 00:39:29,149 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-16 00:39:29,149 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2019-11-16 00:39:29,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:39:29,151 INFO L225 Difference]: With dead ends: 120 [2019-11-16 00:39:29,151 INFO L226 Difference]: Without dead ends: 120 [2019-11-16 00:39:29,151 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2019-11-16 00:39:29,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2019-11-16 00:39:29,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 102. [2019-11-16 00:39:29,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2019-11-16 00:39:29,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 115 transitions. [2019-11-16 00:39:29,171 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 115 transitions. Word has length 33 [2019-11-16 00:39:29,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:39:29,173 INFO L462 AbstractCegarLoop]: Abstraction has 102 states and 115 transitions. [2019-11-16 00:39:29,173 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-16 00:39:29,173 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 115 transitions. [2019-11-16 00:39:29,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-16 00:39:29,175 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:39:29,175 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:39:29,176 INFO L410 AbstractCegarLoop]: === Iteration 5 === [sll_destroyErr4ASSERT_VIOLATIONMEMORY_FREE, sll_destroyErr2ASSERT_VIOLATIONMEMORY_FREE, sll_destroyErr3ASSERT_VIOLATIONMEMORY_FREE, sll_destroyErr1REQUIRES_VIOLATION, sll_destroyErr0REQUIRES_VIOLATION, sll_createErr1REQUIRES_VIOLATION, sll_createErr0REQUIRES_VIOLATION, sll_insertErr8REQUIRES_VIOLATION, sll_insertErr3REQUIRES_VIOLATION, sll_insertErr9REQUIRES_VIOLATION, sll_insertErr4REQUIRES_VIOLATION, sll_insertErr5REQUIRES_VIOLATION, sll_insertErr0REQUIRES_VIOLATION, sll_insertErr6REQUIRES_VIOLATION, sll_insertErr1REQUIRES_VIOLATION, sll_insertErr7REQUIRES_VIOLATION, sll_insertErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr2REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, sll_lengthErr1REQUIRES_VIOLATION, sll_lengthErr0REQUIRES_VIOLATION]=== [2019-11-16 00:39:29,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:39:29,176 INFO L82 PathProgramCache]: Analyzing trace with hash -1313530834, now seen corresponding path program 1 times [2019-11-16 00:39:29,177 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:39:29,177 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081047356] [2019-11-16 00:39:29,177 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:39:29,177 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:39:29,177 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:39:29,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:39:29,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:39:29,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:39:29,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:39:29,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:39:29,406 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-16 00:39:29,406 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081047356] [2019-11-16 00:39:29,406 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1375138522] [2019-11-16 00:39:29,406 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d4080c4d-3fc5-42a6-a5b1-359f2eea65d7/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-16 00:39:29,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:39:29,543 INFO L256 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-16 00:39:29,549 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-16 00:39:29,662 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:39:29,662 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-16 00:39:29,663 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [11] total 15 [2019-11-16 00:39:29,663 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830584083] [2019-11-16 00:39:29,663 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-16 00:39:29,663 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:39:29,664 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-16 00:39:29,664 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2019-11-16 00:39:29,664 INFO L87 Difference]: Start difference. First operand 102 states and 115 transitions. Second operand 9 states. [2019-11-16 00:39:29,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:39:29,774 INFO L93 Difference]: Finished difference Result 97 states and 106 transitions. [2019-11-16 00:39:29,774 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-16 00:39:29,774 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 33 [2019-11-16 00:39:29,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:39:29,776 INFO L225 Difference]: With dead ends: 97 [2019-11-16 00:39:29,776 INFO L226 Difference]: Without dead ends: 94 [2019-11-16 00:39:29,776 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2019-11-16 00:39:29,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2019-11-16 00:39:29,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2019-11-16 00:39:29,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2019-11-16 00:39:29,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 103 transitions. [2019-11-16 00:39:29,789 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 103 transitions. Word has length 33 [2019-11-16 00:39:29,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:39:29,789 INFO L462 AbstractCegarLoop]: Abstraction has 94 states and 103 transitions. [2019-11-16 00:39:29,789 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-16 00:39:29,789 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 103 transitions. [2019-11-16 00:39:29,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-16 00:39:29,790 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:39:29,790 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:39:29,999 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-16 00:39:29,999 INFO L410 AbstractCegarLoop]: === Iteration 6 === [sll_destroyErr4ASSERT_VIOLATIONMEMORY_FREE, sll_destroyErr2ASSERT_VIOLATIONMEMORY_FREE, sll_destroyErr3ASSERT_VIOLATIONMEMORY_FREE, sll_destroyErr1REQUIRES_VIOLATION, sll_destroyErr0REQUIRES_VIOLATION, sll_createErr1REQUIRES_VIOLATION, sll_createErr0REQUIRES_VIOLATION, sll_insertErr8REQUIRES_VIOLATION, sll_insertErr3REQUIRES_VIOLATION, sll_insertErr9REQUIRES_VIOLATION, sll_insertErr4REQUIRES_VIOLATION, sll_insertErr5REQUIRES_VIOLATION, sll_insertErr0REQUIRES_VIOLATION, sll_insertErr6REQUIRES_VIOLATION, sll_insertErr1REQUIRES_VIOLATION, sll_insertErr7REQUIRES_VIOLATION, sll_insertErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr2REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, sll_lengthErr1REQUIRES_VIOLATION, sll_lengthErr0REQUIRES_VIOLATION]=== [2019-11-16 00:39:30,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:39:30,000 INFO L82 PathProgramCache]: Analyzing trace with hash 1958722437, now seen corresponding path program 1 times [2019-11-16 00:39:30,000 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:39:30,000 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554664439] [2019-11-16 00:39:30,000 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:39:30,000 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:39:30,001 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:39:30,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:39:30,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:39:30,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:39:30,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:39:30,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:39:30,496 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-16 00:39:30,497 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1554664439] [2019-11-16 00:39:30,497 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2033618068] [2019-11-16 00:39:30,498 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d4080c4d-3fc5-42a6-a5b1-359f2eea65d7/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-16 00:39:30,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:39:30,620 INFO L256 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 12 conjunts are in the unsatisfiable core [2019-11-16 00:39:30,624 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-16 00:39:30,730 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:39:30,730 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-16 00:39:30,730 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 10] total 21 [2019-11-16 00:39:30,730 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360591418] [2019-11-16 00:39:30,731 INFO L442 AbstractCegarLoop]: Interpolant automaton has 21 states [2019-11-16 00:39:30,731 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:39:30,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2019-11-16 00:39:30,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=373, Unknown=0, NotChecked=0, Total=420 [2019-11-16 00:39:30,732 INFO L87 Difference]: Start difference. First operand 94 states and 103 transitions. Second operand 21 states. [2019-11-16 00:39:32,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:39:32,204 INFO L93 Difference]: Finished difference Result 137 states and 157 transitions. [2019-11-16 00:39:32,205 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2019-11-16 00:39:32,205 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 38 [2019-11-16 00:39:32,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:39:32,207 INFO L225 Difference]: With dead ends: 137 [2019-11-16 00:39:32,207 INFO L226 Difference]: Without dead ends: 134 [2019-11-16 00:39:32,208 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=219, Invalid=1113, Unknown=0, NotChecked=0, Total=1332 [2019-11-16 00:39:32,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2019-11-16 00:39:32,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 106. [2019-11-16 00:39:32,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2019-11-16 00:39:32,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 117 transitions. [2019-11-16 00:39:32,215 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 117 transitions. Word has length 38 [2019-11-16 00:39:32,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:39:32,216 INFO L462 AbstractCegarLoop]: Abstraction has 106 states and 117 transitions. [2019-11-16 00:39:32,216 INFO L463 AbstractCegarLoop]: Interpolant automaton has 21 states. [2019-11-16 00:39:32,216 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 117 transitions. [2019-11-16 00:39:32,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-11-16 00:39:32,217 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:39:32,217 INFO L380 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:39:32,418 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-16 00:39:32,418 INFO L410 AbstractCegarLoop]: === Iteration 7 === [sll_destroyErr4ASSERT_VIOLATIONMEMORY_FREE, sll_destroyErr2ASSERT_VIOLATIONMEMORY_FREE, sll_destroyErr3ASSERT_VIOLATIONMEMORY_FREE, sll_destroyErr1REQUIRES_VIOLATION, sll_destroyErr0REQUIRES_VIOLATION, sll_createErr1REQUIRES_VIOLATION, sll_createErr0REQUIRES_VIOLATION, sll_insertErr8REQUIRES_VIOLATION, sll_insertErr3REQUIRES_VIOLATION, sll_insertErr9REQUIRES_VIOLATION, sll_insertErr4REQUIRES_VIOLATION, sll_insertErr5REQUIRES_VIOLATION, sll_insertErr0REQUIRES_VIOLATION, sll_insertErr6REQUIRES_VIOLATION, sll_insertErr1REQUIRES_VIOLATION, sll_insertErr7REQUIRES_VIOLATION, sll_insertErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr2REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, sll_lengthErr1REQUIRES_VIOLATION, sll_lengthErr0REQUIRES_VIOLATION]=== [2019-11-16 00:39:32,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:39:32,419 INFO L82 PathProgramCache]: Analyzing trace with hash -257232083, now seen corresponding path program 2 times [2019-11-16 00:39:32,419 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:39:32,419 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424048416] [2019-11-16 00:39:32,419 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:39:32,419 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:39:32,419 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:39:32,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:39:32,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:39:32,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:39:32,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:39:32,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:39:32,695 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-16 00:39:32,695 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1424048416] [2019-11-16 00:39:32,696 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1205382143] [2019-11-16 00:39:32,696 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d4080c4d-3fc5-42a6-a5b1-359f2eea65d7/bin/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-16 00:39:32,825 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-11-16 00:39:32,825 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-16 00:39:32,826 INFO L256 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-16 00:39:32,839 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-16 00:39:32,872 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-16 00:39:32,872 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-16 00:39:32,888 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-16 00:39:32,889 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-16 00:39:32,889 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-11-16 00:39:32,910 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2019-11-16 00:39:32,911 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-16 00:39:32,923 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-16 00:39:32,924 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-16 00:39:32,924 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:3 [2019-11-16 00:39:33,011 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:39:33,015 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:39:33,037 INFO L341 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2019-11-16 00:39:33,037 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 19 [2019-11-16 00:39:33,038 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-16 00:39:33,049 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-16 00:39:33,049 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-11-16 00:39:33,050 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:25, output treesize:26 [2019-11-16 00:39:33,174 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:39:33,174 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-16 00:39:33,174 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 12 [2019-11-16 00:39:33,175 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689154185] [2019-11-16 00:39:33,176 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-11-16 00:39:33,176 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:39:33,176 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-11-16 00:39:33,177 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2019-11-16 00:39:33,177 INFO L87 Difference]: Start difference. First operand 106 states and 117 transitions. Second operand 13 states. [2019-11-16 00:39:34,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:39:34,217 INFO L93 Difference]: Finished difference Result 207 states and 231 transitions. [2019-11-16 00:39:34,218 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-16 00:39:34,218 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 43 [2019-11-16 00:39:34,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:39:34,220 INFO L225 Difference]: With dead ends: 207 [2019-11-16 00:39:34,220 INFO L226 Difference]: Without dead ends: 207 [2019-11-16 00:39:34,221 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 44 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2019-11-16 00:39:34,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2019-11-16 00:39:34,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 152. [2019-11-16 00:39:34,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2019-11-16 00:39:34,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 183 transitions. [2019-11-16 00:39:34,238 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 183 transitions. Word has length 43 [2019-11-16 00:39:34,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:39:34,238 INFO L462 AbstractCegarLoop]: Abstraction has 152 states and 183 transitions. [2019-11-16 00:39:34,238 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-11-16 00:39:34,239 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 183 transitions. [2019-11-16 00:39:34,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-11-16 00:39:34,243 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:39:34,243 INFO L380 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:39:34,446 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-16 00:39:34,447 INFO L410 AbstractCegarLoop]: === Iteration 8 === [sll_destroyErr4ASSERT_VIOLATIONMEMORY_FREE, sll_destroyErr2ASSERT_VIOLATIONMEMORY_FREE, sll_destroyErr3ASSERT_VIOLATIONMEMORY_FREE, sll_destroyErr1REQUIRES_VIOLATION, sll_destroyErr0REQUIRES_VIOLATION, sll_createErr1REQUIRES_VIOLATION, sll_createErr0REQUIRES_VIOLATION, sll_insertErr8REQUIRES_VIOLATION, sll_insertErr3REQUIRES_VIOLATION, sll_insertErr9REQUIRES_VIOLATION, sll_insertErr4REQUIRES_VIOLATION, sll_insertErr5REQUIRES_VIOLATION, sll_insertErr0REQUIRES_VIOLATION, sll_insertErr6REQUIRES_VIOLATION, sll_insertErr1REQUIRES_VIOLATION, sll_insertErr7REQUIRES_VIOLATION, sll_insertErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr2REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, sll_lengthErr1REQUIRES_VIOLATION, sll_lengthErr0REQUIRES_VIOLATION]=== [2019-11-16 00:39:34,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:39:34,447 INFO L82 PathProgramCache]: Analyzing trace with hash -257232082, now seen corresponding path program 1 times [2019-11-16 00:39:34,448 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:39:34,448 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304857483] [2019-11-16 00:39:34,448 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:39:34,448 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:39:34,448 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:39:34,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:39:34,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:39:34,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:39:34,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:39:34,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:39:34,725 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-16 00:39:34,729 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [304857483] [2019-11-16 00:39:34,730 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [181598868] [2019-11-16 00:39:34,730 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d4080c4d-3fc5-42a6-a5b1-359f2eea65d7/bin/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-16 00:39:34,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:39:34,853 INFO L256 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-16 00:39:34,857 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-16 00:39:34,870 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-16 00:39:34,871 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-16 00:39:34,877 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-16 00:39:34,877 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-16 00:39:34,877 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-11-16 00:39:34,887 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2019-11-16 00:39:34,887 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-16 00:39:34,892 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-16 00:39:34,893 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-16 00:39:34,893 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:3 [2019-11-16 00:39:34,966 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:39:34,967 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:39:34,982 INFO L341 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2019-11-16 00:39:34,983 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 19 [2019-11-16 00:39:34,983 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-16 00:39:34,997 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-16 00:39:34,998 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-11-16 00:39:34,998 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:28, output treesize:29 [2019-11-16 00:39:35,117 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:39:35,118 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-16 00:39:35,118 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 12 [2019-11-16 00:39:35,118 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448589986] [2019-11-16 00:39:35,119 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-11-16 00:39:35,119 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:39:35,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-11-16 00:39:35,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2019-11-16 00:39:35,119 INFO L87 Difference]: Start difference. First operand 152 states and 183 transitions. Second operand 13 states. [2019-11-16 00:39:36,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:39:36,020 INFO L93 Difference]: Finished difference Result 219 states and 242 transitions. [2019-11-16 00:39:36,020 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-11-16 00:39:36,020 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 43 [2019-11-16 00:39:36,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:39:36,022 INFO L225 Difference]: With dead ends: 219 [2019-11-16 00:39:36,022 INFO L226 Difference]: Without dead ends: 219 [2019-11-16 00:39:36,023 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 44 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=72, Invalid=234, Unknown=0, NotChecked=0, Total=306 [2019-11-16 00:39:36,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2019-11-16 00:39:36,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 163. [2019-11-16 00:39:36,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2019-11-16 00:39:36,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 196 transitions. [2019-11-16 00:39:36,032 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 196 transitions. Word has length 43 [2019-11-16 00:39:36,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:39:36,032 INFO L462 AbstractCegarLoop]: Abstraction has 163 states and 196 transitions. [2019-11-16 00:39:36,032 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-11-16 00:39:36,032 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 196 transitions. [2019-11-16 00:39:36,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-16 00:39:36,033 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:39:36,033 INFO L380 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:39:36,234 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-16 00:39:36,234 INFO L410 AbstractCegarLoop]: === Iteration 9 === [sll_destroyErr4ASSERT_VIOLATIONMEMORY_FREE, sll_destroyErr2ASSERT_VIOLATIONMEMORY_FREE, sll_destroyErr3ASSERT_VIOLATIONMEMORY_FREE, sll_destroyErr1REQUIRES_VIOLATION, sll_destroyErr0REQUIRES_VIOLATION, sll_createErr1REQUIRES_VIOLATION, sll_createErr0REQUIRES_VIOLATION, sll_insertErr8REQUIRES_VIOLATION, sll_insertErr3REQUIRES_VIOLATION, sll_insertErr9REQUIRES_VIOLATION, sll_insertErr4REQUIRES_VIOLATION, sll_insertErr5REQUIRES_VIOLATION, sll_insertErr0REQUIRES_VIOLATION, sll_insertErr6REQUIRES_VIOLATION, sll_insertErr1REQUIRES_VIOLATION, sll_insertErr7REQUIRES_VIOLATION, sll_insertErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr2REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, sll_lengthErr1REQUIRES_VIOLATION, sll_lengthErr0REQUIRES_VIOLATION]=== [2019-11-16 00:39:36,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:39:36,235 INFO L82 PathProgramCache]: Analyzing trace with hash -289230271, now seen corresponding path program 1 times [2019-11-16 00:39:36,235 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:39:36,235 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848741852] [2019-11-16 00:39:36,235 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:39:36,235 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:39:36,235 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:39:36,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:39:36,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:39:36,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:39:36,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:39:36,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:39:36,383 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-16 00:39:36,384 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848741852] [2019-11-16 00:39:36,385 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:39:36,385 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-11-16 00:39:36,385 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207666780] [2019-11-16 00:39:36,386 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-11-16 00:39:36,386 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:39:36,386 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-11-16 00:39:36,387 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2019-11-16 00:39:36,387 INFO L87 Difference]: Start difference. First operand 163 states and 196 transitions. Second operand 12 states. [2019-11-16 00:39:37,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:39:37,159 INFO L93 Difference]: Finished difference Result 226 states and 277 transitions. [2019-11-16 00:39:37,161 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-11-16 00:39:37,161 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 47 [2019-11-16 00:39:37,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:39:37,163 INFO L225 Difference]: With dead ends: 226 [2019-11-16 00:39:37,163 INFO L226 Difference]: Without dead ends: 226 [2019-11-16 00:39:37,164 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2019-11-16 00:39:37,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2019-11-16 00:39:37,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 187. [2019-11-16 00:39:37,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187 states. [2019-11-16 00:39:37,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 234 transitions. [2019-11-16 00:39:37,175 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 234 transitions. Word has length 47 [2019-11-16 00:39:37,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:39:37,176 INFO L462 AbstractCegarLoop]: Abstraction has 187 states and 234 transitions. [2019-11-16 00:39:37,176 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-11-16 00:39:37,176 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 234 transitions. [2019-11-16 00:39:37,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-16 00:39:37,177 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:39:37,177 INFO L380 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:39:37,178 INFO L410 AbstractCegarLoop]: === Iteration 10 === [sll_destroyErr4ASSERT_VIOLATIONMEMORY_FREE, sll_destroyErr2ASSERT_VIOLATIONMEMORY_FREE, sll_destroyErr3ASSERT_VIOLATIONMEMORY_FREE, sll_destroyErr1REQUIRES_VIOLATION, sll_destroyErr0REQUIRES_VIOLATION, sll_createErr1REQUIRES_VIOLATION, sll_createErr0REQUIRES_VIOLATION, sll_insertErr8REQUIRES_VIOLATION, sll_insertErr3REQUIRES_VIOLATION, sll_insertErr9REQUIRES_VIOLATION, sll_insertErr4REQUIRES_VIOLATION, sll_insertErr5REQUIRES_VIOLATION, sll_insertErr0REQUIRES_VIOLATION, sll_insertErr6REQUIRES_VIOLATION, sll_insertErr1REQUIRES_VIOLATION, sll_insertErr7REQUIRES_VIOLATION, sll_insertErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr2REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, sll_lengthErr1REQUIRES_VIOLATION, sll_lengthErr0REQUIRES_VIOLATION]=== [2019-11-16 00:39:37,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:39:37,178 INFO L82 PathProgramCache]: Analyzing trace with hash -289230270, now seen corresponding path program 1 times [2019-11-16 00:39:37,178 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:39:37,178 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981941344] [2019-11-16 00:39:37,179 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:39:37,179 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:39:37,179 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:39:37,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:39:37,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:39:37,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:39:37,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:39:37,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:39:37,385 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-16 00:39:37,386 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981941344] [2019-11-16 00:39:37,386 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:39:37,386 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-11-16 00:39:37,387 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552463005] [2019-11-16 00:39:37,387 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-11-16 00:39:37,387 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:39:37,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-11-16 00:39:37,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2019-11-16 00:39:37,388 INFO L87 Difference]: Start difference. First operand 187 states and 234 transitions. Second operand 12 states. [2019-11-16 00:39:38,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:39:38,102 INFO L93 Difference]: Finished difference Result 227 states and 277 transitions. [2019-11-16 00:39:38,102 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-11-16 00:39:38,102 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 47 [2019-11-16 00:39:38,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:39:38,104 INFO L225 Difference]: With dead ends: 227 [2019-11-16 00:39:38,104 INFO L226 Difference]: Without dead ends: 227 [2019-11-16 00:39:38,105 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=253, Unknown=0, NotChecked=0, Total=306 [2019-11-16 00:39:38,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2019-11-16 00:39:38,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 187. [2019-11-16 00:39:38,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187 states. [2019-11-16 00:39:38,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 232 transitions. [2019-11-16 00:39:38,116 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 232 transitions. Word has length 47 [2019-11-16 00:39:38,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:39:38,117 INFO L462 AbstractCegarLoop]: Abstraction has 187 states and 232 transitions. [2019-11-16 00:39:38,117 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-11-16 00:39:38,117 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 232 transitions. [2019-11-16 00:39:38,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-11-16 00:39:38,118 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:39:38,118 INFO L380 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:39:38,119 INFO L410 AbstractCegarLoop]: === Iteration 11 === [sll_destroyErr4ASSERT_VIOLATIONMEMORY_FREE, sll_destroyErr2ASSERT_VIOLATIONMEMORY_FREE, sll_destroyErr3ASSERT_VIOLATIONMEMORY_FREE, sll_destroyErr1REQUIRES_VIOLATION, sll_destroyErr0REQUIRES_VIOLATION, sll_createErr1REQUIRES_VIOLATION, sll_createErr0REQUIRES_VIOLATION, sll_insertErr8REQUIRES_VIOLATION, sll_insertErr3REQUIRES_VIOLATION, sll_insertErr9REQUIRES_VIOLATION, sll_insertErr4REQUIRES_VIOLATION, sll_insertErr5REQUIRES_VIOLATION, sll_insertErr0REQUIRES_VIOLATION, sll_insertErr6REQUIRES_VIOLATION, sll_insertErr1REQUIRES_VIOLATION, sll_insertErr7REQUIRES_VIOLATION, sll_insertErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr2REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, sll_lengthErr1REQUIRES_VIOLATION, sll_lengthErr0REQUIRES_VIOLATION]=== [2019-11-16 00:39:38,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:39:38,119 INFO L82 PathProgramCache]: Analyzing trace with hash 685261957, now seen corresponding path program 3 times [2019-11-16 00:39:38,119 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:39:38,119 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154869052] [2019-11-16 00:39:38,120 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:39:38,120 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:39:38,120 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:39:38,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:39:38,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:39:38,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:39:38,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:39:38,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:39:38,371 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 4 proven. 23 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-16 00:39:38,372 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154869052] [2019-11-16 00:39:38,372 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [906999237] [2019-11-16 00:39:38,373 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d4080c4d-3fc5-42a6-a5b1-359f2eea65d7/bin/uautomizer/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-16 00:39:38,491 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2019-11-16 00:39:38,491 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-16 00:39:38,492 INFO L256 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 14 conjunts are in the unsatisfiable core [2019-11-16 00:39:38,494 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-16 00:39:38,558 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 14 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:39:38,559 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-16 00:39:38,559 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 11] total 17 [2019-11-16 00:39:38,559 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952709701] [2019-11-16 00:39:38,559 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2019-11-16 00:39:38,559 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:39:38,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2019-11-16 00:39:38,560 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=234, Unknown=0, NotChecked=0, Total=272 [2019-11-16 00:39:38,560 INFO L87 Difference]: Start difference. First operand 187 states and 232 transitions. Second operand 17 states. [2019-11-16 00:39:39,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:39:39,307 INFO L93 Difference]: Finished difference Result 243 states and 312 transitions. [2019-11-16 00:39:39,308 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-11-16 00:39:39,308 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 48 [2019-11-16 00:39:39,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:39:39,311 INFO L225 Difference]: With dead ends: 243 [2019-11-16 00:39:39,311 INFO L226 Difference]: Without dead ends: 243 [2019-11-16 00:39:39,311 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=119, Invalid=637, Unknown=0, NotChecked=0, Total=756 [2019-11-16 00:39:39,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2019-11-16 00:39:39,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 195. [2019-11-16 00:39:39,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 195 states. [2019-11-16 00:39:39,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 245 transitions. [2019-11-16 00:39:39,322 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 245 transitions. Word has length 48 [2019-11-16 00:39:39,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:39:39,322 INFO L462 AbstractCegarLoop]: Abstraction has 195 states and 245 transitions. [2019-11-16 00:39:39,322 INFO L463 AbstractCegarLoop]: Interpolant automaton has 17 states. [2019-11-16 00:39:39,323 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 245 transitions. [2019-11-16 00:39:39,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-11-16 00:39:39,324 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:39:39,324 INFO L380 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:39:39,528 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-16 00:39:39,528 INFO L410 AbstractCegarLoop]: === Iteration 12 === [sll_destroyErr4ASSERT_VIOLATIONMEMORY_FREE, sll_destroyErr2ASSERT_VIOLATIONMEMORY_FREE, sll_destroyErr3ASSERT_VIOLATIONMEMORY_FREE, sll_destroyErr1REQUIRES_VIOLATION, sll_destroyErr0REQUIRES_VIOLATION, sll_createErr1REQUIRES_VIOLATION, sll_createErr0REQUIRES_VIOLATION, sll_insertErr8REQUIRES_VIOLATION, sll_insertErr3REQUIRES_VIOLATION, sll_insertErr9REQUIRES_VIOLATION, sll_insertErr4REQUIRES_VIOLATION, sll_insertErr5REQUIRES_VIOLATION, sll_insertErr0REQUIRES_VIOLATION, sll_insertErr6REQUIRES_VIOLATION, sll_insertErr1REQUIRES_VIOLATION, sll_insertErr7REQUIRES_VIOLATION, sll_insertErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr2REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, sll_lengthErr1REQUIRES_VIOLATION, sll_lengthErr0REQUIRES_VIOLATION]=== [2019-11-16 00:39:39,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:39:39,528 INFO L82 PathProgramCache]: Analyzing trace with hash -754593810, now seen corresponding path program 1 times [2019-11-16 00:39:39,529 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:39:39,529 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969271236] [2019-11-16 00:39:39,529 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:39:39,529 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:39:39,529 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:39:39,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:39:39,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:39:39,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:39:39,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:39:39,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:39:39,784 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-16 00:39:39,784 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969271236] [2019-11-16 00:39:39,785 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [326634215] [2019-11-16 00:39:39,785 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d4080c4d-3fc5-42a6-a5b1-359f2eea65d7/bin/uautomizer/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-16 00:39:39,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:39:39,897 INFO L256 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 45 conjunts are in the unsatisfiable core [2019-11-16 00:39:39,901 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-16 00:39:39,919 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-16 00:39:39,919 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 28 [2019-11-16 00:39:39,920 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-16 00:39:39,930 INFO L567 ElimStorePlain]: treesize reduction 14, result has 44.0 percent of original size [2019-11-16 00:39:39,931 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-16 00:39:39,931 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:11 [2019-11-16 00:39:39,952 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-11-16 00:39:39,952 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-16 00:39:39,957 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-16 00:39:39,957 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-16 00:39:39,957 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:22, output treesize:15 [2019-11-16 00:39:40,179 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 17 [2019-11-16 00:39:40,179 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-16 00:39:40,191 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-16 00:39:40,192 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-11-16 00:39:40,192 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:41, output treesize:30 [2019-11-16 00:39:40,361 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-16 00:39:40,362 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 29 [2019-11-16 00:39:40,363 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-16 00:39:40,365 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-16 00:39:40,365 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-16 00:39:40,374 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-16 00:39:40,374 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-16 00:39:40,375 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2019-11-16 00:39:40,375 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:34, output treesize:23 [2019-11-16 00:39:40,375 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-16 00:39:40,406 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:39:40,406 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-16 00:39:40,406 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15] total 26 [2019-11-16 00:39:40,406 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824880497] [2019-11-16 00:39:40,408 INFO L442 AbstractCegarLoop]: Interpolant automaton has 27 states [2019-11-16 00:39:40,408 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:39:40,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2019-11-16 00:39:40,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=634, Unknown=0, NotChecked=0, Total=702 [2019-11-16 00:39:40,409 INFO L87 Difference]: Start difference. First operand 195 states and 245 transitions. Second operand 27 states. [2019-11-16 00:39:42,185 WARN L191 SmtUtils]: Spent 464.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2019-11-16 00:39:42,572 WARN L191 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2019-11-16 00:39:43,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:39:43,328 INFO L93 Difference]: Finished difference Result 321 states and 393 transitions. [2019-11-16 00:39:43,328 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2019-11-16 00:39:43,328 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 50 [2019-11-16 00:39:43,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:39:43,330 INFO L225 Difference]: With dead ends: 321 [2019-11-16 00:39:43,330 INFO L226 Difference]: Without dead ends: 321 [2019-11-16 00:39:43,331 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 48 SyntacticMatches, 2 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 286 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=236, Invalid=1570, Unknown=0, NotChecked=0, Total=1806 [2019-11-16 00:39:43,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2019-11-16 00:39:43,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 224. [2019-11-16 00:39:43,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2019-11-16 00:39:43,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 283 transitions. [2019-11-16 00:39:43,340 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 283 transitions. Word has length 50 [2019-11-16 00:39:43,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:39:43,341 INFO L462 AbstractCegarLoop]: Abstraction has 224 states and 283 transitions. [2019-11-16 00:39:43,341 INFO L463 AbstractCegarLoop]: Interpolant automaton has 27 states. [2019-11-16 00:39:43,341 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 283 transitions. [2019-11-16 00:39:43,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-11-16 00:39:43,343 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:39:43,343 INFO L380 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:39:43,546 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-16 00:39:43,547 INFO L410 AbstractCegarLoop]: === Iteration 13 === [sll_destroyErr4ASSERT_VIOLATIONMEMORY_FREE, sll_destroyErr2ASSERT_VIOLATIONMEMORY_FREE, sll_destroyErr3ASSERT_VIOLATIONMEMORY_FREE, sll_destroyErr1REQUIRES_VIOLATION, sll_destroyErr0REQUIRES_VIOLATION, sll_createErr1REQUIRES_VIOLATION, sll_createErr0REQUIRES_VIOLATION, sll_insertErr8REQUIRES_VIOLATION, sll_insertErr3REQUIRES_VIOLATION, sll_insertErr9REQUIRES_VIOLATION, sll_insertErr4REQUIRES_VIOLATION, sll_insertErr5REQUIRES_VIOLATION, sll_insertErr0REQUIRES_VIOLATION, sll_insertErr6REQUIRES_VIOLATION, sll_insertErr1REQUIRES_VIOLATION, sll_insertErr7REQUIRES_VIOLATION, sll_insertErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr2REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, sll_lengthErr1REQUIRES_VIOLATION, sll_lengthErr0REQUIRES_VIOLATION]=== [2019-11-16 00:39:43,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:39:43,547 INFO L82 PathProgramCache]: Analyzing trace with hash -754593809, now seen corresponding path program 1 times [2019-11-16 00:39:43,547 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:39:43,547 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684349774] [2019-11-16 00:39:43,547 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:39:43,547 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:39:43,547 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:39:43,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:39:43,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:39:43,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:39:43,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:39:43,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:39:43,917 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-16 00:39:43,917 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684349774] [2019-11-16 00:39:43,917 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1076952617] [2019-11-16 00:39:43,917 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d4080c4d-3fc5-42a6-a5b1-359f2eea65d7/bin/uautomizer/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-16 00:39:44,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:39:44,052 INFO L256 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 53 conjunts are in the unsatisfiable core [2019-11-16 00:39:44,054 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-16 00:39:44,061 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-16 00:39:44,061 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-16 00:39:44,064 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-16 00:39:44,065 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-16 00:39:44,065 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-11-16 00:39:44,109 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-16 00:39:44,109 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 28 [2019-11-16 00:39:44,109 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-16 00:39:44,137 INFO L567 ElimStorePlain]: treesize reduction 14, result has 50.0 percent of original size [2019-11-16 00:39:44,137 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-16 00:39:44,137 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-11-16 00:39:44,172 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-11-16 00:39:44,172 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-16 00:39:44,184 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-16 00:39:44,194 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-11-16 00:39:44,194 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-16 00:39:44,200 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-16 00:39:44,201 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-16 00:39:44,201 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:33, output treesize:22 [2019-11-16 00:39:44,630 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-16 00:39:44,631 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 72 treesize of output 55 [2019-11-16 00:39:44,631 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-16 00:39:44,632 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-16 00:39:44,633 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-16 00:39:44,651 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-16 00:39:44,852 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-16 00:39:44,853 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: java.lang.UnsupportedOperationException: expected NNF at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:307) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.generateProof(TraceAbstractionRefinementEngine.java:184) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.executeStrategy(TraceAbstractionRefinementEngine.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.RefinementEngineFactory.runRefinementEngine(RefinementEngineFactory.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: java.lang.UnsupportedOperationException: expected NNF at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis$ArrOccFinder$MyWalker.walk(ArrayOccurrenceAnalysis.java:236) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive$TermWalker.walk(NonRecursive.java:139) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis$ArrOccFinder$MyWalker.walk(ArrayOccurrenceAnalysis.java:195) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis$ArrOccFinder.(ArrayOccurrenceAnalysis.java:181) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis.(ArrayOccurrenceAnalysis.java:74) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:275) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:253) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.eliminateOne(ElimStorePlain.java:553) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:466) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:216) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:306) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:102) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:245) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:439) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:200) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:292) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) 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.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:299) ... 21 more [2019-11-16 00:39:44,856 INFO L168 Benchmark]: Toolchain (without parser) took 19131.84 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 288.4 MB). Free memory was 944.7 MB in the beginning and 941.0 MB in the end (delta: 3.7 MB). Peak memory consumption was 292.1 MB. Max. memory is 11.5 GB. [2019-11-16 00:39:44,856 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. [2019-11-16 00:39:44,857 INFO L168 Benchmark]: CACSL2BoogieTranslator took 537.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -189.9 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2019-11-16 00:39:44,857 INFO L168 Benchmark]: Boogie Preprocessor took 57.42 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. [2019-11-16 00:39:44,857 INFO L168 Benchmark]: RCFGBuilder took 883.61 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: 60.0 MB). Peak memory consumption was 60.0 MB. Max. memory is 11.5 GB. [2019-11-16 00:39:44,858 INFO L168 Benchmark]: TraceAbstraction took 17649.61 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 131.1 MB). Free memory was 1.1 GB in the beginning and 941.0 MB in the end (delta: 128.2 MB). Peak memory consumption was 259.3 MB. Max. memory is 11.5 GB. [2019-11-16 00:39:44,860 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 537.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -189.9 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 57.42 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 883.61 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: 60.0 MB). Peak memory consumption was 60.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 17649.61 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 131.1 MB). Free memory was 1.1 GB in the beginning and 941.0 MB in the end (delta: 128.2 MB). Peak memory consumption was 259.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: java.lang.UnsupportedOperationException: expected NNF de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: java.lang.UnsupportedOperationException: expected NNF: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:307) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-cad4683 [2019-11-16 00:39:46,924 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 00:39:46,926 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 00:39:46,936 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 00:39:46,936 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 00:39:46,937 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 00:39:46,939 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 00:39:46,941 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 00:39:46,942 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 00:39:46,943 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 00:39:46,944 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 00:39:46,945 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 00:39:46,945 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 00:39:46,946 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 00:39:46,947 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 00:39:46,948 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 00:39:46,949 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 00:39:46,950 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 00:39:46,951 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 00:39:46,953 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 00:39:46,955 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 00:39:46,956 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 00:39:46,957 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 00:39:46,957 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 00:39:46,964 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 00:39:46,964 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 00:39:46,965 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 00:39:46,965 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 00:39:46,966 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 00:39:46,967 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 00:39:46,967 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 00:39:46,968 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 00:39:46,968 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 00:39:46,969 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 00:39:46,970 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 00:39:46,970 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 00:39:46,971 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 00:39:46,971 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 00:39:46,971 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 00:39:46,972 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 00:39:46,973 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 00:39:46,973 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d4080c4d-3fc5-42a6-a5b1-359f2eea65d7/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-16 00:39:46,998 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 00:39:46,998 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 00:39:47,001 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 00:39:47,002 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 00:39:47,002 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 00:39:47,002 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 00:39:47,002 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-16 00:39:47,004 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-16 00:39:47,004 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-16 00:39:47,004 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-16 00:39:47,005 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 00:39:47,005 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-16 00:39:47,006 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-16 00:39:47,006 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-16 00:39:47,006 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-16 00:39:47,006 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-16 00:39:47,007 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-16 00:39:47,007 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-16 00:39:47,007 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 00:39:47,008 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 00:39:47,008 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 00:39:47,008 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-16 00:39:47,008 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-16 00:39:47,009 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-16 00:39:47,009 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 00:39:47,009 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-16 00:39:47,010 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-16 00:39:47,010 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-16 00:39:47,010 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-16 00:39:47,010 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_d4080c4d-3fc5-42a6-a5b1-359f2eea65d7/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 -> 75d2739bd782575ec6c25559f2b36c2d3e75b585 [2019-11-16 00:39:47,070 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 00:39:47,080 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 00:39:47,083 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 00:39:47,084 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 00:39:47,085 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 00:39:47,085 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d4080c4d-3fc5-42a6-a5b1-359f2eea65d7/bin/uautomizer/../../sv-benchmarks/c/list-ext3-properties/sll_nondet_insert-2.i [2019-11-16 00:39:47,145 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d4080c4d-3fc5-42a6-a5b1-359f2eea65d7/bin/uautomizer/data/00767ed42/865007f3571f4b7f88010d445d1ace14/FLAG75029233e [2019-11-16 00:39:47,613 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 00:39:47,613 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d4080c4d-3fc5-42a6-a5b1-359f2eea65d7/sv-benchmarks/c/list-ext3-properties/sll_nondet_insert-2.i [2019-11-16 00:39:47,636 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d4080c4d-3fc5-42a6-a5b1-359f2eea65d7/bin/uautomizer/data/00767ed42/865007f3571f4b7f88010d445d1ace14/FLAG75029233e [2019-11-16 00:39:47,979 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d4080c4d-3fc5-42a6-a5b1-359f2eea65d7/bin/uautomizer/data/00767ed42/865007f3571f4b7f88010d445d1ace14 [2019-11-16 00:39:47,981 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 00:39:47,982 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-16 00:39:47,983 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 00:39:47,983 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 00:39:47,986 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 00:39:47,987 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:39:47" (1/1) ... [2019-11-16 00:39:47,989 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c3100ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:39:47, skipping insertion in model container [2019-11-16 00:39:47,989 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:39:47" (1/1) ... [2019-11-16 00:39:47,996 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 00:39:48,041 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 00:39:48,404 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 00:39:48,412 INFO L188 MainTranslator]: Completed pre-run [2019-11-16 00:39:48,497 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 00:39:48,555 INFO L192 MainTranslator]: Completed translation [2019-11-16 00:39:48,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:39:48 WrapperNode [2019-11-16 00:39:48,556 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-16 00:39:48,557 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-16 00:39:48,557 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-16 00:39:48,557 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-16 00:39:48,570 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:39:48" (1/1) ... [2019-11-16 00:39:48,572 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:39:48" (1/1) ... [2019-11-16 00:39:48,607 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:39:48" (1/1) ... [2019-11-16 00:39:48,610 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:39:48" (1/1) ... [2019-11-16 00:39:48,641 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:39:48" (1/1) ... [2019-11-16 00:39:48,655 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:39:48" (1/1) ... [2019-11-16 00:39:48,664 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:39:48" (1/1) ... [2019-11-16 00:39:48,679 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-16 00:39:48,692 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-16 00:39:48,692 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-16 00:39:48,692 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-16 00:39:48,693 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:39:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d4080c4d-3fc5-42a6-a5b1-359f2eea65d7/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 [2019-11-16 00:39:48,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-16 00:39:48,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-16 00:39:48,745 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-16 00:39:48,746 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-16 00:39:48,746 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-11-16 00:39:48,746 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_create [2019-11-16 00:39:48,746 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_length [2019-11-16 00:39:48,746 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_destroy [2019-11-16 00:39:48,747 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_insert [2019-11-16 00:39:48,747 INFO L138 BoogieDeclarations]: Found implementation of procedure _get_nondet_int [2019-11-16 00:39:48,747 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-16 00:39:48,747 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-16 00:39:48,747 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-16 00:39:48,747 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-16 00:39:48,748 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-16 00:39:48,748 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-16 00:39:48,748 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-16 00:39:48,748 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-16 00:39:48,748 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-16 00:39:48,748 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-16 00:39:48,748 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-16 00:39:48,749 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-16 00:39:48,749 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-16 00:39:48,749 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-16 00:39:48,749 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-16 00:39:48,749 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-16 00:39:48,750 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-16 00:39:48,750 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-16 00:39:48,750 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-16 00:39:48,750 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-16 00:39:48,750 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-16 00:39:48,751 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-16 00:39:48,751 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-16 00:39:48,751 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-16 00:39:48,751 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-16 00:39:48,751 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-16 00:39:48,751 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-16 00:39:48,751 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-16 00:39:48,751 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-16 00:39:48,751 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-16 00:39:48,751 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-16 00:39:48,752 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-16 00:39:48,752 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-16 00:39:48,752 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-16 00:39:48,752 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-16 00:39:48,752 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-16 00:39:48,752 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-16 00:39:48,752 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-16 00:39:48,752 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-16 00:39:48,753 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-16 00:39:48,753 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-16 00:39:48,753 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-16 00:39:48,753 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-16 00:39:48,753 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-16 00:39:48,753 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-16 00:39:48,753 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-16 00:39:48,753 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-16 00:39:48,754 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-16 00:39:48,754 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-16 00:39:48,754 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-16 00:39:48,754 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-16 00:39:48,754 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-16 00:39:48,754 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-16 00:39:48,754 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-16 00:39:48,754 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-16 00:39:48,754 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-16 00:39:48,754 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-16 00:39:48,755 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-16 00:39:48,755 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-16 00:39:48,755 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-11-16 00:39:48,755 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-16 00:39:48,755 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-16 00:39:48,755 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-16 00:39:48,756 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-16 00:39:48,756 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-16 00:39:48,756 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-16 00:39:48,756 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-16 00:39:48,756 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-16 00:39:48,756 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-16 00:39:48,757 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-16 00:39:48,757 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-16 00:39:48,757 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-16 00:39:48,757 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-16 00:39:48,757 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-16 00:39:48,758 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-16 00:39:48,758 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-16 00:39:48,758 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-16 00:39:48,758 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-16 00:39:48,758 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-16 00:39:48,758 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-16 00:39:48,759 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-16 00:39:48,759 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-16 00:39:48,759 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-16 00:39:48,759 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-16 00:39:48,759 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-16 00:39:48,759 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-16 00:39:48,760 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-16 00:39:48,760 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-16 00:39:48,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-16 00:39:48,760 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-16 00:39:48,760 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-16 00:39:48,760 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-16 00:39:48,761 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-16 00:39:48,761 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-16 00:39:48,761 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-16 00:39:48,761 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-16 00:39:48,761 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-16 00:39:48,761 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-16 00:39:48,762 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-16 00:39:48,762 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-16 00:39:48,762 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-16 00:39:48,762 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-16 00:39:48,762 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-16 00:39:48,762 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-16 00:39:48,763 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-16 00:39:48,763 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-16 00:39:48,763 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-16 00:39:48,763 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-16 00:39:48,763 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-11-16 00:39:48,763 INFO L130 BoogieDeclarations]: Found specification of procedure sll_create [2019-11-16 00:39:48,764 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-16 00:39:48,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-16 00:39:48,764 INFO L130 BoogieDeclarations]: Found specification of procedure sll_length [2019-11-16 00:39:48,764 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-16 00:39:48,764 INFO L130 BoogieDeclarations]: Found specification of procedure sll_destroy [2019-11-16 00:39:48,764 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-16 00:39:48,765 INFO L130 BoogieDeclarations]: Found specification of procedure sll_insert [2019-11-16 00:39:48,765 INFO L130 BoogieDeclarations]: Found specification of procedure _get_nondet_int [2019-11-16 00:39:48,765 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-16 00:39:48,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-16 00:39:48,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-16 00:39:48,766 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-16 00:39:48,766 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-16 00:39:49,112 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-11-16 00:39:49,474 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-16 00:39:49,474 INFO L284 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-16 00:39:49,475 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:39:49 BoogieIcfgContainer [2019-11-16 00:39:49,475 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-16 00:39:49,476 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-16 00:39:49,477 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-16 00:39:49,479 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-16 00:39:49,480 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:39:47" (1/3) ... [2019-11-16 00:39:49,480 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f64c58d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:39:49, skipping insertion in model container [2019-11-16 00:39:49,481 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:39:48" (2/3) ... [2019-11-16 00:39:49,481 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f64c58d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:39:49, skipping insertion in model container [2019-11-16 00:39:49,481 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:39:49" (3/3) ... [2019-11-16 00:39:49,483 INFO L109 eAbstractionObserver]: Analyzing ICFG sll_nondet_insert-2.i [2019-11-16 00:39:49,491 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-16 00:39:49,498 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 24 error locations. [2019-11-16 00:39:49,508 INFO L249 AbstractCegarLoop]: Starting to check reachability of 24 error locations. [2019-11-16 00:39:49,525 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-16 00:39:49,525 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-16 00:39:49,526 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-16 00:39:49,526 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-16 00:39:49,526 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-16 00:39:49,526 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-16 00:39:49,526 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-16 00:39:49,527 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-16 00:39:49,543 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states. [2019-11-16 00:39:49,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-16 00:39:49,552 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:39:49,552 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:39:49,554 INFO L410 AbstractCegarLoop]: === Iteration 1 === [sll_destroyErr2ASSERT_VIOLATIONMEMORY_FREE, sll_destroyErr4ASSERT_VIOLATIONMEMORY_FREE, sll_destroyErr0REQUIRES_VIOLATION, sll_destroyErr1REQUIRES_VIOLATION, sll_destroyErr3ASSERT_VIOLATIONMEMORY_FREE, sll_createErr1REQUIRES_VIOLATION, sll_createErr0REQUIRES_VIOLATION, sll_insertErr7REQUIRES_VIOLATION, sll_insertErr6REQUIRES_VIOLATION, sll_insertErr1REQUIRES_VIOLATION, sll_insertErr8REQUIRES_VIOLATION, sll_insertErr3REQUIRES_VIOLATION, sll_insertErr2REQUIRES_VIOLATION, sll_insertErr4REQUIRES_VIOLATION, sll_insertErr9REQUIRES_VIOLATION, sll_insertErr0REQUIRES_VIOLATION, sll_insertErr5REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, sll_lengthErr1REQUIRES_VIOLATION, sll_lengthErr0REQUIRES_VIOLATION]=== [2019-11-16 00:39:49,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:39:49,559 INFO L82 PathProgramCache]: Analyzing trace with hash 1102659065, now seen corresponding path program 1 times [2019-11-16 00:39:49,569 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-16 00:39:49,569 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [389222486] [2019-11-16 00:39:49,570 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d4080c4d-3fc5-42a6-a5b1-359f2eea65d7/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 [2019-11-16 00:39:49,804 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-16 00:39:49,805 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) [2019-11-16 00:39:49,809 INFO L168 Benchmark]: Toolchain (without parser) took 1826.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 947.0 MB in the beginning and 1.0 GB in the end (delta: -90.3 MB). Peak memory consumption was 56.0 MB. Max. memory is 11.5 GB. [2019-11-16 00:39:49,809 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-16 00:39:49,810 INFO L168 Benchmark]: CACSL2BoogieTranslator took 574.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -169.1 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. [2019-11-16 00:39:49,810 INFO L168 Benchmark]: Boogie Preprocessor took 134.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 11.5 GB. [2019-11-16 00:39:49,812 INFO L168 Benchmark]: RCFGBuilder took 783.87 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: 64.1 MB). Peak memory consumption was 64.1 MB. Max. memory is 11.5 GB. [2019-11-16 00:39:49,812 INFO L168 Benchmark]: TraceAbstraction took 330.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. [2019-11-16 00:39:49,815 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 574.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -169.1 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 134.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 783.87 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: 64.1 MB). Peak memory consumption was 64.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 330.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 13.1 MB). Peak memory consumption was 13.1 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...