./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test17_3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_0e6c64b4-81c7-4ec7-a337-a10a97c82449/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0e6c64b4-81c7-4ec7-a337-a10a97c82449/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0e6c64b4-81c7-4ec7-a337-a10a97c82449/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0e6c64b4-81c7-4ec7-a337-a10a97c82449/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test17_3.i -s /tmp/vcloud-vcloud-master/worker/working_dir_0e6c64b4-81c7-4ec7-a337-a10a97c82449/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0e6c64b4-81c7-4ec7-a337-a10a97c82449/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 13cc57c6782c611a2cc29fdcbf3c29309805806e ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_0e6c64b4-81c7-4ec7-a337-a10a97c82449/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0e6c64b4-81c7-4ec7-a337-a10a97c82449/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0e6c64b4-81c7-4ec7-a337-a10a97c82449/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0e6c64b4-81c7-4ec7-a337-a10a97c82449/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test17_3.i -s /tmp/vcloud-vcloud-master/worker/working_dir_0e6c64b4-81c7-4ec7-a337-a10a97c82449/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0e6c64b4-81c7-4ec7-a337-a10a97c82449/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 13cc57c6782c611a2cc29fdcbf3c29309805806e ....................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: Sort FloatRoundingMode not declared --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 11:22:51,541 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:22:51,543 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:22:51,552 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:22:51,552 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:22:51,553 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:22:51,554 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:22:51,556 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:22:51,557 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:22:51,558 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:22:51,559 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:22:51,560 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:22:51,560 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:22:51,561 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:22:51,562 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:22:51,562 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:22:51,563 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:22:51,564 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:22:51,565 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:22:51,566 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:22:51,568 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:22:51,568 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:22:51,569 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:22:51,570 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:22:51,572 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:22:51,572 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:22:51,572 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:22:51,573 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:22:51,573 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:22:51,574 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:22:51,574 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:22:51,575 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:22:51,575 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:22:51,576 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:22:51,577 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:22:51,577 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:22:51,577 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:22:51,578 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:22:51,578 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:22:51,579 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:22:51,579 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:22:51,580 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0e6c64b4-81c7-4ec7-a337-a10a97c82449/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2019-10-22 11:22:51,591 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:22:51,591 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:22:51,592 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:22:51,592 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:22:51,592 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:22:51,592 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:22:51,593 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:22:51,593 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:22:51,593 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:22:51,593 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:22:51,593 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:22:51,593 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:22:51,594 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 11:22:51,594 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 11:22:51,594 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:22:51,594 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:22:51,594 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 11:22:51,595 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:22:51,595 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:22:51,595 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:22:51,595 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-10-22 11:22:51,596 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-10-22 11:22:51,596 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-10-22 11:22:51,596 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:22:51,596 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:22:51,596 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:22:51,596 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:22:51,597 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:22:51,597 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:22:51,597 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:22:51,597 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:22:51,597 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:22:51,597 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:22:51,597 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:22:51,598 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:22:51,598 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_0e6c64b4-81c7-4ec7-a337-a10a97c82449/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 13cc57c6782c611a2cc29fdcbf3c29309805806e [2019-10-22 11:22:51,621 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:22:51,630 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:22:51,633 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:22:51,634 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:22:51,635 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:22:51,635 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0e6c64b4-81c7-4ec7-a337-a10a97c82449/bin/utaipan/../../sv-benchmarks/c/ldv-memsafety/memleaks_test17_3.i [2019-10-22 11:22:51,689 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0e6c64b4-81c7-4ec7-a337-a10a97c82449/bin/utaipan/data/415a8edb4/a409fef901fa401ea7d8f5eec9ecf150/FLAGdad3c04ee [2019-10-22 11:22:52,157 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:22:52,157 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0e6c64b4-81c7-4ec7-a337-a10a97c82449/sv-benchmarks/c/ldv-memsafety/memleaks_test17_3.i [2019-10-22 11:22:52,170 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0e6c64b4-81c7-4ec7-a337-a10a97c82449/bin/utaipan/data/415a8edb4/a409fef901fa401ea7d8f5eec9ecf150/FLAGdad3c04ee [2019-10-22 11:22:52,479 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0e6c64b4-81c7-4ec7-a337-a10a97c82449/bin/utaipan/data/415a8edb4/a409fef901fa401ea7d8f5eec9ecf150 [2019-10-22 11:22:52,482 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:22:52,483 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:22:52,484 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:22:52,484 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:22:52,487 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:22:52,488 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:22:52" (1/1) ... [2019-10-22 11:22:52,490 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59721bd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:52, skipping insertion in model container [2019-10-22 11:22:52,490 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:22:52" (1/1) ... [2019-10-22 11:22:52,497 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:22:52,538 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:22:53,021 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:22:53,036 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:22:53,099 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:22:53,178 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:22:53,178 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:53 WrapperNode [2019-10-22 11:22:53,178 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:22:53,180 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:22:53,180 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:22:53,180 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:22:53,189 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:53" (1/1) ... [2019-10-22 11:22:53,213 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:53" (1/1) ... [2019-10-22 11:22:53,236 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:22:53,237 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:22:53,237 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:22:53,237 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:22:53,246 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:53" (1/1) ... [2019-10-22 11:22:53,246 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:53" (1/1) ... [2019-10-22 11:22:53,249 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:53" (1/1) ... [2019-10-22 11:22:53,249 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:53" (1/1) ... [2019-10-22 11:22:53,257 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:53" (1/1) ... [2019-10-22 11:22:53,262 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:53" (1/1) ... [2019-10-22 11:22:53,263 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:53" (1/1) ... [2019-10-22 11:22:53,266 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:22:53,266 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:22:53,266 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:22:53,266 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:22:53,268 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:53" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0e6c64b4-81c7-4ec7-a337-a10a97c82449/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:22:53,339 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-22 11:22:53,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-22 11:22:53,339 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:22:53,340 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-22 11:22:53,340 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 11:22:53,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-22 11:22:53,340 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:22:53,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:22:53,735 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:22:53,736 INFO L284 CfgBuilder]: Removed 15 assume(true) statements. [2019-10-22 11:22:53,737 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:22:53 BoogieIcfgContainer [2019-10-22 11:22:53,737 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:22:53,738 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:22:53,738 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:22:53,741 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:22:53,742 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:22:52" (1/3) ... [2019-10-22 11:22:53,742 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c598261 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:22:53, skipping insertion in model container [2019-10-22 11:22:53,743 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:53" (2/3) ... [2019-10-22 11:22:53,743 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c598261 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:22:53, skipping insertion in model container [2019-10-22 11:22:53,743 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:22:53" (3/3) ... [2019-10-22 11:22:53,745 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test17_3.i [2019-10-22 11:22:53,758 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:22:53,765 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 15 error locations. [2019-10-22 11:22:53,779 INFO L249 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2019-10-22 11:22:53,797 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:22:53,797 INFO L374 AbstractCegarLoop]: Hoare is false [2019-10-22 11:22:53,797 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:22:53,797 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:22:53,797 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:22:53,798 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:22:53,798 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:22:53,798 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:22:53,813 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states. [2019-10-22 11:22:53,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-10-22 11:22:53,821 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:53,822 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-10-22 11:22:53,824 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_FREE]=== [2019-10-22 11:22:53,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:53,829 INFO L82 PathProgramCache]: Analyzing trace with hash 889511402, now seen corresponding path program 1 times [2019-10-22 11:22:53,838 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:53,838 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024090731] [2019-10-22 11:22:53,838 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:53,839 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:53,839 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:53,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:53,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:22:53,984 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024090731] [2019-10-22 11:22:53,985 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:53,985 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:22:53,985 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599956276] [2019-10-22 11:22:53,989 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:22:53,990 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:22:54,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:22:54,004 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:22:54,006 INFO L87 Difference]: Start difference. First operand 47 states. Second operand 4 states. [2019-10-22 11:22:54,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:54,107 INFO L93 Difference]: Finished difference Result 159 states and 175 transitions. [2019-10-22 11:22:54,108 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 11:22:54,109 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2019-10-22 11:22:54,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:54,118 INFO L225 Difference]: With dead ends: 159 [2019-10-22 11:22:54,119 INFO L226 Difference]: Without dead ends: 151 [2019-10-22 11:22:54,120 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:22:54,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2019-10-22 11:22:54,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 47. [2019-10-22 11:22:54,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2019-10-22 11:22:54,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 53 transitions. [2019-10-22 11:22:54,154 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 53 transitions. Word has length 6 [2019-10-22 11:22:54,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:54,154 INFO L462 AbstractCegarLoop]: Abstraction has 47 states and 53 transitions. [2019-10-22 11:22:54,155 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:22:54,155 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 53 transitions. [2019-10-22 11:22:54,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-10-22 11:22:54,155 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:54,155 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-10-22 11:22:54,156 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_FREE]=== [2019-10-22 11:22:54,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:54,156 INFO L82 PathProgramCache]: Analyzing trace with hash 889570984, now seen corresponding path program 1 times [2019-10-22 11:22:54,156 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:54,157 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549042242] [2019-10-22 11:22:54,157 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:54,157 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:54,157 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:54,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:54,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:22:54,182 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549042242] [2019-10-22 11:22:54,182 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:54,182 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:22:54,182 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293845055] [2019-10-22 11:22:54,183 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:22:54,183 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:22:54,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:22:54,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:22:54,184 INFO L87 Difference]: Start difference. First operand 47 states and 53 transitions. Second operand 3 states. [2019-10-22 11:22:54,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:54,238 INFO L93 Difference]: Finished difference Result 82 states and 92 transitions. [2019-10-22 11:22:54,238 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:22:54,238 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2019-10-22 11:22:54,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:54,239 INFO L225 Difference]: With dead ends: 82 [2019-10-22 11:22:54,239 INFO L226 Difference]: Without dead ends: 81 [2019-10-22 11:22:54,246 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:22:54,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2019-10-22 11:22:54,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 45. [2019-10-22 11:22:54,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2019-10-22 11:22:54,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 50 transitions. [2019-10-22 11:22:54,250 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 50 transitions. Word has length 6 [2019-10-22 11:22:54,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:54,250 INFO L462 AbstractCegarLoop]: Abstraction has 45 states and 50 transitions. [2019-10-22 11:22:54,250 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:22:54,250 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 50 transitions. [2019-10-22 11:22:54,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-10-22 11:22:54,251 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:54,251 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:22:54,251 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_FREE]=== [2019-10-22 11:22:54,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:54,251 INFO L82 PathProgramCache]: Analyzing trace with hash 1804966535, now seen corresponding path program 1 times [2019-10-22 11:22:54,252 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:54,252 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090007713] [2019-10-22 11:22:54,252 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:54,252 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:54,252 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:54,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:54,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:22:54,287 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090007713] [2019-10-22 11:22:54,287 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:54,287 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:22:54,287 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672702018] [2019-10-22 11:22:54,288 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:22:54,288 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:22:54,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:22:54,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:22:54,288 INFO L87 Difference]: Start difference. First operand 45 states and 50 transitions. Second operand 4 states. [2019-10-22 11:22:54,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:54,434 INFO L93 Difference]: Finished difference Result 136 states and 153 transitions. [2019-10-22 11:22:54,434 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 11:22:54,434 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2019-10-22 11:22:54,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:54,437 INFO L225 Difference]: With dead ends: 136 [2019-10-22 11:22:54,437 INFO L226 Difference]: Without dead ends: 136 [2019-10-22 11:22:54,437 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:22:54,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2019-10-22 11:22:54,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 64. [2019-10-22 11:22:54,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2019-10-22 11:22:54,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 79 transitions. [2019-10-22 11:22:54,444 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 79 transitions. Word has length 7 [2019-10-22 11:22:54,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:54,445 INFO L462 AbstractCegarLoop]: Abstraction has 64 states and 79 transitions. [2019-10-22 11:22:54,445 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:22:54,445 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 79 transitions. [2019-10-22 11:22:54,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-10-22 11:22:54,445 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:54,445 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:22:54,446 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_FREE]=== [2019-10-22 11:22:54,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:54,446 INFO L82 PathProgramCache]: Analyzing trace with hash 1804966536, now seen corresponding path program 1 times [2019-10-22 11:22:54,446 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:54,446 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634886548] [2019-10-22 11:22:54,447 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:54,447 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:54,447 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:54,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:54,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:22:54,530 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634886548] [2019-10-22 11:22:54,530 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:54,531 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 11:22:54,531 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976809749] [2019-10-22 11:22:54,531 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 11:22:54,531 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:22:54,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 11:22:54,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-10-22 11:22:54,532 INFO L87 Difference]: Start difference. First operand 64 states and 79 transitions. Second operand 6 states. [2019-10-22 11:22:54,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:54,789 INFO L93 Difference]: Finished difference Result 186 states and 216 transitions. [2019-10-22 11:22:54,789 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-22 11:22:54,789 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 7 [2019-10-22 11:22:54,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:54,791 INFO L225 Difference]: With dead ends: 186 [2019-10-22 11:22:54,791 INFO L226 Difference]: Without dead ends: 186 [2019-10-22 11:22:54,791 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2019-10-22 11:22:54,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2019-10-22 11:22:54,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 92. [2019-10-22 11:22:54,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2019-10-22 11:22:54,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 124 transitions. [2019-10-22 11:22:54,801 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 124 transitions. Word has length 7 [2019-10-22 11:22:54,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:54,801 INFO L462 AbstractCegarLoop]: Abstraction has 92 states and 124 transitions. [2019-10-22 11:22:54,801 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 11:22:54,801 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 124 transitions. [2019-10-22 11:22:54,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-10-22 11:22:54,802 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:54,802 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:22:54,802 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_FREE]=== [2019-10-22 11:22:54,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:54,802 INFO L82 PathProgramCache]: Analyzing trace with hash 1806813577, now seen corresponding path program 1 times [2019-10-22 11:22:54,803 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:54,803 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053470962] [2019-10-22 11:22:54,803 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:54,803 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:54,807 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:54,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:54,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:22:54,882 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053470962] [2019-10-22 11:22:54,882 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:54,882 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:22:54,882 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510039512] [2019-10-22 11:22:54,883 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:22:54,883 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:22:54,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:22:54,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:22:54,883 INFO L87 Difference]: Start difference. First operand 92 states and 124 transitions. Second operand 4 states. [2019-10-22 11:22:54,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:54,948 INFO L93 Difference]: Finished difference Result 119 states and 147 transitions. [2019-10-22 11:22:54,948 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 11:22:54,948 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2019-10-22 11:22:54,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:54,949 INFO L225 Difference]: With dead ends: 119 [2019-10-22 11:22:54,949 INFO L226 Difference]: Without dead ends: 117 [2019-10-22 11:22:54,950 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:22:54,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2019-10-22 11:22:54,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 74. [2019-10-22 11:22:54,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2019-10-22 11:22:54,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 96 transitions. [2019-10-22 11:22:54,966 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 96 transitions. Word has length 7 [2019-10-22 11:22:54,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:54,966 INFO L462 AbstractCegarLoop]: Abstraction has 74 states and 96 transitions. [2019-10-22 11:22:54,966 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:22:54,966 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 96 transitions. [2019-10-22 11:22:54,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-10-22 11:22:54,967 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:54,967 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:22:54,967 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_FREE]=== [2019-10-22 11:22:54,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:54,968 INFO L82 PathProgramCache]: Analyzing trace with hash -1232506858, now seen corresponding path program 1 times [2019-10-22 11:22:54,968 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:54,968 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093271913] [2019-10-22 11:22:54,968 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:54,969 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:54,969 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:55,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:55,137 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:22:55,138 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093271913] [2019-10-22 11:22:55,138 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [656083845] [2019-10-22 11:22:55,138 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0e6c64b4-81c7-4ec7-a337-a10a97c82449/bin/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 11:22:55,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:55,201 INFO L256 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 20 conjunts are in the unsatisfiable core [2019-10-22 11:22:55,206 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:22:55,275 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 [2019-10-22 11:22:55,275 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-22 11:22:55,284 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 11:22:55,285 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-10-22 11:22:55,285 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:13, output treesize:9 [2019-10-22 11:22:55,315 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:22:55,315 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:22:55,460 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:22:55,461 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [1224104867] [2019-10-22 11:22:55,467 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 11 [2019-10-22 11:22:55,511 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2019-10-22 11:22:55,512 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-22 11:22:55,813 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 11:22:55,814 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: inappropriate decl info IMPLEMENTATION at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Boogie2SmtSymbolTable.getBoogieVar(Boogie2SmtSymbolTable.java:222) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalStatementProcessor.getBoogieVar(NonrelationalStatementProcessor.java:348) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalStatementProcessor.handleHavocStatement(NonrelationalStatementProcessor.java:325) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalStatementProcessor.processStatement(NonrelationalStatementProcessor.java:159) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalStatementProcessor.process(NonrelationalStatementProcessor.java:138) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalStatementProcessor.process(NonrelationalStatementProcessor.java:107) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalPostOperator.handleInternalTransition(NonrelationalPostOperator.java:422) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalPostOperator.handleInternalTransition(NonrelationalPostOperator.java:413) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalPostOperator.apply(NonrelationalPostOperator.java:140) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalPostOperator.apply(NonrelationalPostOperator.java:1) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.compound.CompoundDomainPostOperator.applyInternally(CompoundDomainPostOperator.java:306) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.compound.CompoundDomainPostOperator.apply(CompoundDomainPostOperator.java:131) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.compound.CompoundDomainPostOperator.apply(CompoundDomainPostOperator.java:1) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.PoormanCachedPostOperation.restoreOriginalStateVariables(PoormanCachedPostOperation.java:322) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.PoormansAbstractPostOperator.applyPost(PoormansAbstractPostOperator.java:217) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.PoormansAbstractPostOperator.apply(PoormansAbstractPostOperator.java:120) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.PoormansAbstractPostOperator.apply(PoormansAbstractPostOperator.java:1) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.absint.DisjunctiveAbstractState.lambda$17(DisjunctiveAbstractState.java:323) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.absint.DisjunctiveAbstractState.mapCollection(DisjunctiveAbstractState.java:519) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.absint.DisjunctiveAbstractState.apply(DisjunctiveAbstractState.java:323) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.algorithm.FixpointEngine.calculateAbstractPost(FixpointEngine.java:249) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.algorithm.FixpointEngine.calculateFixpoint(FixpointEngine.java:134) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.algorithm.FixpointEngine.run(FixpointEngine.java:105) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.tool.AbstractInterpreter.runWithoutTimeoutAndResults(AbstractInterpreter.java:149) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarAbsIntRunner.generateFixpoints(CegarAbsIntRunner.java:227) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarAbsIntRunner.(CegarAbsIntRunner.java:158) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleAbstractInterpretation.getOrConstructRunner(IpTcStrategyModuleAbstractInterpretation.java:74) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleAbstractInterpretation.construct(IpTcStrategyModuleAbstractInterpretation.java:81) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:299) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.generateProof(TraceAbstractionRefinementEngine.java:184) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.executeStrategy(TraceAbstractionRefinementEngine.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.RefinementEngineFactory.runRefinementEngine(RefinementEngineFactory.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-10-22 11:22:55,819 INFO L168 Benchmark]: Toolchain (without parser) took 3335.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.3 MB). Free memory was 939.1 MB in the beginning and 894.0 MB in the end (delta: 45.0 MB). Peak memory consumption was 169.3 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:55,819 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 960.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:22:55,820 INFO L168 Benchmark]: CACSL2BoogieTranslator took 695.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.3 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -151.5 MB). Peak memory consumption was 22.2 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:55,821 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.67 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:55,821 INFO L168 Benchmark]: Boogie Preprocessor took 29.22 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:55,822 INFO L168 Benchmark]: RCFGBuilder took 471.01 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: 26.7 MB). Peak memory consumption was 26.7 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:55,823 INFO L168 Benchmark]: TraceAbstraction took 2079.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 894.0 MB in the end (delta: 163.1 MB). Peak memory consumption was 163.1 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:55,826 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 960.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 695.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.3 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -151.5 MB). Peak memory consumption was 22.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 56.67 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.22 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 471.01 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: 26.7 MB). Peak memory consumption was 26.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2079.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 894.0 MB in the end (delta: 163.1 MB). Peak memory consumption was 163.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: inappropriate decl info IMPLEMENTATION de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: inappropriate decl info IMPLEMENTATION: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Boogie2SmtSymbolTable.getBoogieVar(Boogie2SmtSymbolTable.java:222) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-cad4683 [2019-10-22 11:22:58,009 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:22:58,011 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:22:58,021 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:22:58,022 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:22:58,023 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:22:58,024 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:22:58,025 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:22:58,026 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:22:58,027 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:22:58,029 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:22:58,030 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:22:58,030 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:22:58,030 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:22:58,031 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:22:58,032 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:22:58,032 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:22:58,033 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:22:58,034 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:22:58,042 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:22:58,043 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:22:58,044 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:22:58,045 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:22:58,046 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:22:58,050 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:22:58,050 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:22:58,051 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:22:58,051 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:22:58,051 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:22:58,052 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:22:58,052 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:22:58,053 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:22:58,053 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:22:58,054 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:22:58,054 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:22:58,055 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:22:58,056 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:22:58,057 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:22:58,057 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:22:58,057 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:22:58,058 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:22:58,058 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0e6c64b4-81c7-4ec7-a337-a10a97c82449/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2019-10-22 11:22:58,084 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:22:58,084 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:22:58,085 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:22:58,085 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:22:58,086 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:22:58,086 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:22:58,086 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:22:58,086 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:22:58,086 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:22:58,087 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 11:22:58,087 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 11:22:58,087 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:22:58,087 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:22:58,087 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 11:22:58,087 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:22:58,087 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:22:58,088 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:22:58,088 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-10-22 11:22:58,088 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-10-22 11:22:58,088 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-10-22 11:22:58,088 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:22:58,088 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-10-22 11:22:58,088 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-10-22 11:22:58,088 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:22:58,089 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 11:22:58,089 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:22:58,089 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:22:58,089 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:22:58,089 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:22:58,089 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:22:58,089 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:22:58,090 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:22:58,090 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-10-22 11:22:58,090 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-10-22 11:22:58,090 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:22:58,090 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_0e6c64b4-81c7-4ec7-a337-a10a97c82449/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 13cc57c6782c611a2cc29fdcbf3c29309805806e [2019-10-22 11:22:58,127 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:22:58,139 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:22:58,142 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:22:58,144 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:22:58,144 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:22:58,144 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0e6c64b4-81c7-4ec7-a337-a10a97c82449/bin/utaipan/../../sv-benchmarks/c/ldv-memsafety/memleaks_test17_3.i [2019-10-22 11:22:58,192 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0e6c64b4-81c7-4ec7-a337-a10a97c82449/bin/utaipan/data/3743735b5/b3816e57530945e497b8d69597de8412/FLAGa79a397e2 [2019-10-22 11:22:58,682 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:22:58,683 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0e6c64b4-81c7-4ec7-a337-a10a97c82449/sv-benchmarks/c/ldv-memsafety/memleaks_test17_3.i [2019-10-22 11:22:58,698 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0e6c64b4-81c7-4ec7-a337-a10a97c82449/bin/utaipan/data/3743735b5/b3816e57530945e497b8d69597de8412/FLAGa79a397e2 [2019-10-22 11:22:58,980 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0e6c64b4-81c7-4ec7-a337-a10a97c82449/bin/utaipan/data/3743735b5/b3816e57530945e497b8d69597de8412 [2019-10-22 11:22:58,984 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:22:58,986 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:22:58,987 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:22:58,987 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:22:58,990 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:22:58,991 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:22:58" (1/1) ... [2019-10-22 11:22:58,994 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31a10188 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:58, skipping insertion in model container [2019-10-22 11:22:58,995 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:22:58" (1/1) ... [2019-10-22 11:22:59,002 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:22:59,049 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:22:59,540 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:22:59,561 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:22:59,658 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:22:59,750 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:22:59,750 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:59 WrapperNode [2019-10-22 11:22:59,751 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:22:59,752 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:22:59,752 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:22:59,752 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:22:59,761 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:59" (1/1) ... [2019-10-22 11:22:59,785 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:59" (1/1) ... [2019-10-22 11:22:59,816 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:22:59,816 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:22:59,816 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:22:59,816 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:22:59,825 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:59" (1/1) ... [2019-10-22 11:22:59,825 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:59" (1/1) ... [2019-10-22 11:22:59,828 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:59" (1/1) ... [2019-10-22 11:22:59,828 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:59" (1/1) ... [2019-10-22 11:22:59,837 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:59" (1/1) ... [2019-10-22 11:22:59,841 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:59" (1/1) ... [2019-10-22 11:22:59,843 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:59" (1/1) ... [2019-10-22 11:22:59,846 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:22:59,847 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:22:59,847 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:22:59,847 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:22:59,848 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:59" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0e6c64b4-81c7-4ec7-a337-a10a97c82449/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:22:59,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-22 11:22:59,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-22 11:22:59,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:22:59,913 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-22 11:22:59,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 11:22:59,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-22 11:22:59,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:22:59,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:23:00,359 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:23:00,360 INFO L284 CfgBuilder]: Removed 15 assume(true) statements. [2019-10-22 11:23:00,361 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:23:00 BoogieIcfgContainer [2019-10-22 11:23:00,361 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:23:00,362 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:23:00,362 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:23:00,365 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:23:00,366 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:22:58" (1/3) ... [2019-10-22 11:23:00,366 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54702f4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:23:00, skipping insertion in model container [2019-10-22 11:23:00,367 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:59" (2/3) ... [2019-10-22 11:23:00,367 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54702f4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:23:00, skipping insertion in model container [2019-10-22 11:23:00,367 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:23:00" (3/3) ... [2019-10-22 11:23:00,369 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test17_3.i [2019-10-22 11:23:00,377 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:23:00,383 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 15 error locations. [2019-10-22 11:23:00,392 INFO L249 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2019-10-22 11:23:00,410 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:23:00,410 INFO L374 AbstractCegarLoop]: Hoare is false [2019-10-22 11:23:00,410 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:23:00,411 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:23:00,411 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:23:00,411 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:23:00,411 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:23:00,411 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:23:00,425 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states. [2019-10-22 11:23:00,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-10-22 11:23:00,431 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:00,432 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-10-22 11:23:00,434 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_FREE]=== [2019-10-22 11:23:00,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:00,439 INFO L82 PathProgramCache]: Analyzing trace with hash 889511402, now seen corresponding path program 1 times [2019-10-22 11:23:00,448 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:23:00,449 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1215935758] [2019-10-22 11:23:00,449 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0e6c64b4-81c7-4ec7-a337-a10a97c82449/bin/utaipan/cvc4 Starting monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:23:00,704 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:23:00,705 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Sort FloatRoundingMode not declared at de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:412) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:223) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.NonDeclaringTermTransferrer.transferSort(NonDeclaringTermTransferrer.java:111) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.DeclarableFunctionSymbol.defineOrDeclare(DeclarableFunctionSymbol.java:160) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:143) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:168) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.SmtFunctionsAndAxioms.transferSymbols(SmtFunctionsAndAxioms.java:139) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleTraceCheck.createExternalManagedScript(IpTcStrategyModuleTraceCheck.java:81) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCvc4.constructManagedScript(IpTcStrategyModuleCvc4.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.checkFeasibility(TraceAbstractionRefinementEngine.java:244) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.executeStrategy(TraceAbstractionRefinementEngine.java:160) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.RefinementEngineFactory.runRefinementEngine(RefinementEngineFactory.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-10-22 11:23:00,709 INFO L168 Benchmark]: Toolchain (without parser) took 1723.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -108.2 MB). Peak memory consumption was 33.9 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:00,710 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:23:00,711 INFO L168 Benchmark]: CACSL2BoogieTranslator took 764.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -151.0 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:00,711 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.92 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:23:00,714 INFO L168 Benchmark]: Boogie Preprocessor took 30.36 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:23:00,714 INFO L168 Benchmark]: RCFGBuilder took 514.69 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: 30.7 MB). Peak memory consumption was 30.7 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:00,715 INFO L168 Benchmark]: TraceAbstraction took 345.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:00,717 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 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 764.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -151.0 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 63.92 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.36 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 514.69 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: 30.7 MB). Peak memory consumption was 30.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 345.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: Sort FloatRoundingMode not declared de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: Sort FloatRoundingMode not declared: de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:412) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...