./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread/bigshot_s2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_cf6ff5ae-7d3f-49a7-90c5-9f61183ae39c/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_cf6ff5ae-7d3f-49a7-90c5-9f61183ae39c/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_cf6ff5ae-7d3f-49a7-90c5-9f61183ae39c/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_cf6ff5ae-7d3f-49a7-90c5-9f61183ae39c/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread/bigshot_s2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_cf6ff5ae-7d3f-49a7-90c5-9f61183ae39c/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_cf6ff5ae-7d3f-49a7-90c5-9f61183ae39c/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 62a3adf163f0436d6a570493ab3486b362f3c38f .......................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_cf6ff5ae-7d3f-49a7-90c5-9f61183ae39c/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_cf6ff5ae-7d3f-49a7-90c5-9f61183ae39c/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_cf6ff5ae-7d3f-49a7-90c5-9f61183ae39c/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_cf6ff5ae-7d3f-49a7-90c5-9f61183ae39c/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread/bigshot_s2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_cf6ff5ae-7d3f-49a7-90c5-9f61183ae39c/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_cf6ff5ae-7d3f-49a7-90c5-9f61183ae39c/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 62a3adf163f0436d6a570493ab3486b362f3c38f ......................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 18:37:55,789 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 18:37:55,791 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 18:37:55,798 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 18:37:55,798 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 18:37:55,799 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 18:37:55,800 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 18:37:55,801 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 18:37:55,803 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 18:37:55,803 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 18:37:55,804 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 18:37:55,805 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 18:37:55,805 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 18:37:55,806 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 18:37:55,806 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 18:37:55,807 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 18:37:55,808 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 18:37:55,808 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 18:37:55,810 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 18:37:55,811 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 18:37:55,812 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 18:37:55,813 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 18:37:55,813 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 18:37:55,814 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 18:37:55,816 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 18:37:55,816 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 18:37:55,816 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 18:37:55,817 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 18:37:55,817 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 18:37:55,818 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 18:37:55,818 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 18:37:55,818 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 18:37:55,819 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 18:37:55,819 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 18:37:55,820 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 18:37:55,820 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 18:37:55,820 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 18:37:55,820 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 18:37:55,820 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 18:37:55,821 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 18:37:55,821 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 18:37:55,822 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_cf6ff5ae-7d3f-49a7-90c5-9f61183ae39c/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 18:37:55,831 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 18:37:55,831 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 18:37:55,832 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 18:37:55,832 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 18:37:55,832 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 18:37:55,832 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 18:37:55,832 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 18:37:55,832 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 18:37:55,833 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 18:37:55,833 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 18:37:55,833 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 18:37:55,833 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 18:37:55,833 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 18:37:55,833 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 18:37:55,833 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 18:37:55,833 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 18:37:55,834 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 18:37:55,834 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 18:37:55,834 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 18:37:55,834 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 18:37:55,834 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 18:37:55,834 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 18:37:55,834 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 18:37:55,835 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 18:37:55,835 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 18:37:55,835 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 18:37:55,835 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 18:37:55,835 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 18:37:55,835 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 18:37:55,835 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_cf6ff5ae-7d3f-49a7-90c5-9f61183ae39c/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 62a3adf163f0436d6a570493ab3486b362f3c38f [2019-12-07 18:37:55,948 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 18:37:55,956 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 18:37:55,958 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 18:37:55,959 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 18:37:55,960 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 18:37:55,960 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_cf6ff5ae-7d3f-49a7-90c5-9f61183ae39c/bin/uautomizer/../../sv-benchmarks/c/pthread/bigshot_s2.i [2019-12-07 18:37:55,999 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cf6ff5ae-7d3f-49a7-90c5-9f61183ae39c/bin/uautomizer/data/21e9ba107/dd118e1f221a4bdc8926e48b594e98b3/FLAG7ed0fa35b [2019-12-07 18:37:56,536 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 18:37:56,537 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_cf6ff5ae-7d3f-49a7-90c5-9f61183ae39c/sv-benchmarks/c/pthread/bigshot_s2.i [2019-12-07 18:37:56,549 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cf6ff5ae-7d3f-49a7-90c5-9f61183ae39c/bin/uautomizer/data/21e9ba107/dd118e1f221a4bdc8926e48b594e98b3/FLAG7ed0fa35b [2019-12-07 18:37:57,031 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_cf6ff5ae-7d3f-49a7-90c5-9f61183ae39c/bin/uautomizer/data/21e9ba107/dd118e1f221a4bdc8926e48b594e98b3 [2019-12-07 18:37:57,033 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 18:37:57,034 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 18:37:57,035 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 18:37:57,035 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 18:37:57,038 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 18:37:57,039 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:37:57" (1/1) ... [2019-12-07 18:37:57,041 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46069d44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:37:57, skipping insertion in model container [2019-12-07 18:37:57,041 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:37:57" (1/1) ... [2019-12-07 18:37:57,047 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 18:37:57,077 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 18:37:57,380 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:37:57,387 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 18:37:57,415 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:37:57,512 INFO L208 MainTranslator]: Completed translation [2019-12-07 18:37:57,512 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:37:57 WrapperNode [2019-12-07 18:37:57,512 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 18:37:57,513 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 18:37:57,513 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 18:37:57,513 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 18:37:57,518 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:37:57" (1/1) ... [2019-12-07 18:37:57,533 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:37:57" (1/1) ... [2019-12-07 18:37:57,549 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 18:37:57,549 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 18:37:57,550 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 18:37:57,550 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 18:37:57,556 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:37:57" (1/1) ... [2019-12-07 18:37:57,556 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:37:57" (1/1) ... [2019-12-07 18:37:57,558 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:37:57" (1/1) ... [2019-12-07 18:37:57,558 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:37:57" (1/1) ... [2019-12-07 18:37:57,563 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:37:57" (1/1) ... [2019-12-07 18:37:57,565 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:37:57" (1/1) ... [2019-12-07 18:37:57,567 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:37:57" (1/1) ... [2019-12-07 18:37:57,569 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 18:37:57,569 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 18:37:57,569 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 18:37:57,569 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 18:37:57,570 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:37:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cf6ff5ae-7d3f-49a7-90c5-9f61183ae39c/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 18:37:57,610 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 18:37:57,610 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 18:37:57,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-12-07 18:37:57,610 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 18:37:57,611 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2019-12-07 18:37:57,611 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2019-12-07 18:37:57,611 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2019-12-07 18:37:57,611 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2019-12-07 18:37:57,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 18:37:57,611 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-12-07 18:37:57,611 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 18:37:57,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 18:37:57,612 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-07 18:37:57,795 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 18:37:57,795 INFO L287 CfgBuilder]: Removed 8 assume(true) statements. [2019-12-07 18:37:57,796 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:37:57 BoogieIcfgContainer [2019-12-07 18:37:57,797 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 18:37:57,797 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 18:37:57,797 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 18:37:57,800 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 18:37:57,800 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 06:37:57" (1/3) ... [2019-12-07 18:37:57,801 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7dcb5578 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 06:37:57, skipping insertion in model container [2019-12-07 18:37:57,801 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:37:57" (2/3) ... [2019-12-07 18:37:57,801 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7dcb5578 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 06:37:57, skipping insertion in model container [2019-12-07 18:37:57,801 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:37:57" (3/3) ... [2019-12-07 18:37:57,802 INFO L109 eAbstractionObserver]: Analyzing ICFG bigshot_s2.i [2019-12-07 18:37:57,809 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-07 18:37:57,809 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 18:37:57,813 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 18:37:57,813 INFO L339 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-07 18:37:57,830 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:37:57,831 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:37:57,831 WARN L315 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:37:57,831 WARN L315 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:37:57,831 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~malloc2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:37:57,831 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~malloc2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:37:57,831 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~malloc2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:37:57,832 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~malloc2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:37:57,832 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:37:57,832 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:37:57,832 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:37:57,832 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:37:57,832 WARN L315 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:37:57,832 WARN L315 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:37:57,833 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:37:57,833 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:37:57,833 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:37:57,833 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:37:57,833 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:37:57,833 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:37:57,833 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:37:57,833 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:37:57,834 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:37:57,834 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:37:57,834 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:37:57,834 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:37:57,834 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:37:57,834 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:37:57,834 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:37:57,834 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:37:57,834 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:37:57,835 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:37:57,835 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:37:57,835 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:37:57,835 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:37:57,835 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:37:57,835 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:37:57,835 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:37:57,836 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:37:57,836 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:37:57,836 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:37:57,836 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~strcpy~res4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:37:57,836 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~strcpy~res4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:37:57,836 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:37:57,837 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:37:57,837 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~strcpy~res4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:37:57,837 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~strcpy~res4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:37:57,858 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 18:37:57,873 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 18:37:57,873 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 18:37:57,873 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 18:37:57,873 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 18:37:57,873 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 18:37:57,873 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 18:37:57,873 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 18:37:57,874 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 18:37:57,882 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 66 places, 65 transitions [2019-12-07 18:37:57,883 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 66 places, 65 transitions [2019-12-07 18:37:57,912 INFO L134 PetriNetUnfolder]: 4/61 cut-off events. [2019-12-07 18:37:57,913 INFO L135 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-07 18:37:57,916 INFO L76 FinitePrefix]: Finished finitePrefix Result has 70 conditions, 61 events. 4/61 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 55 event pairs. 18/74 useless extension candidates. Maximal degree in co-relation 45. Up to 2 conditions per place. [2019-12-07 18:37:57,917 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 66 places, 65 transitions [2019-12-07 18:37:57,928 INFO L134 PetriNetUnfolder]: 4/61 cut-off events. [2019-12-07 18:37:57,928 INFO L135 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-07 18:37:57,929 INFO L76 FinitePrefix]: Finished finitePrefix Result has 70 conditions, 61 events. 4/61 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 55 event pairs. 18/74 useless extension candidates. Maximal degree in co-relation 45. Up to 2 conditions per place. [2019-12-07 18:37:57,929 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 96 [2019-12-07 18:37:57,930 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-07 18:37:58,738 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 56 [2019-12-07 18:37:58,848 INFO L206 etLargeBlockEncoding]: Checked pairs total: 65 [2019-12-07 18:37:58,848 INFO L214 etLargeBlockEncoding]: Total number of compositions: 58 [2019-12-07 18:37:58,850 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 23 places, 21 transitions [2019-12-07 18:37:58,856 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 19 states. [2019-12-07 18:37:58,858 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2019-12-07 18:37:58,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-07 18:37:58,862 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:37:58,862 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:37:58,863 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:37:58,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:37:58,866 INFO L82 PathProgramCache]: Analyzing trace with hash -509445840, now seen corresponding path program 1 times [2019-12-07 18:37:58,872 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:37:58,872 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054065945] [2019-12-07 18:37:58,873 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:37:58,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:37:59,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:37:59,021 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054065945] [2019-12-07 18:37:59,022 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:37:59,022 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 18:37:59,023 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445922052] [2019-12-07 18:37:59,026 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 18:37:59,026 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:37:59,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 18:37:59,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 18:37:59,036 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 3 states. [2019-12-07 18:37:59,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:37:59,053 INFO L93 Difference]: Finished difference Result 19 states and 23 transitions. [2019-12-07 18:37:59,054 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 18:37:59,055 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2019-12-07 18:37:59,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:37:59,061 INFO L225 Difference]: With dead ends: 19 [2019-12-07 18:37:59,061 INFO L226 Difference]: Without dead ends: 18 [2019-12-07 18:37:59,062 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 18:37:59,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2019-12-07 18:37:59,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2019-12-07 18:37:59,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2019-12-07 18:37:59,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 22 transitions. [2019-12-07 18:37:59,085 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 22 transitions. Word has length 13 [2019-12-07 18:37:59,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:37:59,086 INFO L462 AbstractCegarLoop]: Abstraction has 18 states and 22 transitions. [2019-12-07 18:37:59,086 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 18:37:59,086 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2019-12-07 18:37:59,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-07 18:37:59,087 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:37:59,087 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:37:59,087 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:37:59,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:37:59,087 INFO L82 PathProgramCache]: Analyzing trace with hash 1467521456, now seen corresponding path program 1 times [2019-12-07 18:37:59,087 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:37:59,088 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687885260] [2019-12-07 18:37:59,088 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:37:59,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:37:59,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:37:59,156 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:37:59,156 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 18:37:59,159 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [227] [227] ULTIMATE.startENTRY-->L1103: Formula: (let ((.cse1 (store |v_#valid_49| 0 0))) (let ((.cse2 (store .cse1 |v_#t~string3.base_8| 1))) (let ((.cse0 (store .cse2 |v_ULTIMATE.start_main_~#t1~0.base_19| 1))) (and (= 0 |v_#NULL.base_4|) (= (store (store (store |v_#length_26| |v_#t~string3.base_8| 8) |v_ULTIMATE.start_main_~#t1~0.base_19| 4) |v_ULTIMATE.start_main_~#t2~0.base_22| 4) |v_#length_24|) (= |v_ULTIMATE.start_main_~#t1~0.offset_15| 0) (= 0 |v_#t~string3.offset_8|) (= (store .cse0 |v_ULTIMATE.start_main_~#t2~0.base_22| 1) |v_#valid_47|) (< |v_#StackHeapBarrier_13| |v_#t~string3.base_8|) (= (select .cse1 |v_#t~string3.base_8|) 0) (< |v_#StackHeapBarrier_13| |v_ULTIMATE.start_main_~#t2~0.base_22|) (= (store |v_#memory_int_40| |v_ULTIMATE.start_main_~#t1~0.base_19| (store (select |v_#memory_int_40| |v_ULTIMATE.start_main_~#t1~0.base_19|) |v_ULTIMATE.start_main_~#t1~0.offset_15| 0)) |v_#memory_int_39|) (= |v_#NULL.offset_4| 0) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t2~0.base_22|)) (= v_~v~0.offset_23 0) (= (select .cse2 |v_ULTIMATE.start_main_~#t1~0.base_19|) 0) (= |v_ULTIMATE.start_main_~#t2~0.offset_20| 0) (= v_~v~0.base_23 0) (< |v_#StackHeapBarrier_13| |v_ULTIMATE.start_main_~#t1~0.base_19|) (< 0 |v_#StackHeapBarrier_13|))))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_13|, #valid=|v_#valid_49|, #memory_int=|v_#memory_int_40|, #length=|v_#length_26|} OutVars{ULTIMATE.start_main_#t~nondet5=|v_ULTIMATE.start_main_#t~nondet5_7|, ULTIMATE.start_main_~#t2~0.offset=|v_ULTIMATE.start_main_~#t2~0.offset_20|, #NULL.offset=|v_#NULL.offset_4|, ULTIMATE.start_main_#t~nondet7=|v_ULTIMATE.start_main_#t~nondet7_11|, ~v~0.base=v_~v~0.base_23, #NULL.base=|v_#NULL.base_4|, #t~string3.offset=|v_#t~string3.offset_8|, ULTIMATE.start_main_~#t1~0.base=|v_ULTIMATE.start_main_~#t1~0.base_19|, ULTIMATE.start_main_#t~mem9=|v_ULTIMATE.start_main_#t~mem9_19|, #StackHeapBarrier=|v_#StackHeapBarrier_13|, ULTIMATE.start_main_#t~mem8=|v_ULTIMATE.start_main_#t~mem8_16|, ~v~0.offset=v_~v~0.offset_23, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_15|, #valid=|v_#valid_47|, #memory_int=|v_#memory_int_39|, #length=|v_#length_24|, ULTIMATE.start_main_#t~mem6=|v_ULTIMATE.start_main_#t~mem6_12|, ULTIMATE.start_main_~#t1~0.offset=|v_ULTIMATE.start_main_~#t1~0.offset_15|, ULTIMATE.start_main_~#t2~0.base=|v_ULTIMATE.start_main_~#t2~0.base_22|, #t~string3.base=|v_#t~string3.base_8|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet5, ULTIMATE.start_main_~#t2~0.offset, #NULL.offset, ULTIMATE.start_main_#t~nondet7, ~v~0.base, #NULL.base, #t~string3.offset, ULTIMATE.start_main_~#t1~0.base, ULTIMATE.start_main_#t~mem9, ULTIMATE.start_main_#t~mem8, ~v~0.offset, ULTIMATE.start_main_#res, #valid, #memory_int, #length, ULTIMATE.start_main_#t~mem6, ULTIMATE.start_main_~#t1~0.offset, ULTIMATE.start_main_~#t2~0.base, #t~string3.base] because there is no mapped edge [2019-12-07 18:37:59,159 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [220] [220] thread1ENTRY-->thread1EXIT: Formula: (and (= (store |v_#length_23| |v_thread1Thread1of1ForFork1_#t~malloc2.base_6| 8) |v_#length_22|) (= |v_thread1Thread1of1ForFork1_#in~arg.offset_5| v_thread1Thread1of1ForFork1_~arg.offset_3) (= |v_thread1Thread1of1ForFork1_#res.base_4| 0) (= |v_#valid_42| (store |v_#valid_43| |v_thread1Thread1of1ForFork1_#t~malloc2.base_6| 1)) (= v_~v~0.offset_19 |v_thread1Thread1of1ForFork1_#t~malloc2.offset_6|) (= |v_thread1Thread1of1ForFork1_#in~arg.base_5| v_thread1Thread1of1ForFork1_~arg.base_3) (= v_~v~0.base_19 |v_thread1Thread1of1ForFork1_#t~malloc2.base_6|) (not (= 0 |v_thread1Thread1of1ForFork1_#t~malloc2.base_6|)) (< |v_thread1Thread1of1ForFork1_#t~malloc2.base_6| |v_#StackHeapBarrier_12|) (= 0 (select |v_#valid_43| |v_thread1Thread1of1ForFork1_#t~malloc2.base_6|)) (= 0 |v_thread1Thread1of1ForFork1_#res.offset_4|) (= 0 |v_thread1Thread1of1ForFork1_#t~malloc2.offset_6|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_12|, thread1Thread1of1ForFork1_#in~arg.base=|v_thread1Thread1of1ForFork1_#in~arg.base_5|, #valid=|v_#valid_43|, thread1Thread1of1ForFork1_#in~arg.offset=|v_thread1Thread1of1ForFork1_#in~arg.offset_5|, #length=|v_#length_23|} OutVars{thread1Thread1of1ForFork1_#in~arg.base=|v_thread1Thread1of1ForFork1_#in~arg.base_5|, thread1Thread1of1ForFork1_#res.base=|v_thread1Thread1of1ForFork1_#res.base_4|, thread1Thread1of1ForFork1_#t~malloc2.offset=|v_thread1Thread1of1ForFork1_#t~malloc2.offset_6|, thread1Thread1of1ForFork1_~arg.offset=v_thread1Thread1of1ForFork1_~arg.offset_3, thread1Thread1of1ForFork1_#t~malloc2.base=|v_thread1Thread1of1ForFork1_#t~malloc2.base_6|, thread1Thread1of1ForFork1_#res.offset=|v_thread1Thread1of1ForFork1_#res.offset_4|, ~v~0.base=v_~v~0.base_19, #StackHeapBarrier=|v_#StackHeapBarrier_12|, ~v~0.offset=v_~v~0.offset_19, #valid=|v_#valid_42|, thread1Thread1of1ForFork1_~arg.base=v_thread1Thread1of1ForFork1_~arg.base_3, thread1Thread1of1ForFork1_#in~arg.offset=|v_thread1Thread1of1ForFork1_#in~arg.offset_5|, #length=|v_#length_22|} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#res.base, thread1Thread1of1ForFork1_#t~malloc2.offset, thread1Thread1of1ForFork1_~arg.offset, ~v~0.offset, thread1Thread1of1ForFork1_#t~malloc2.base, #valid, thread1Thread1of1ForFork1_~arg.base, thread1Thread1of1ForFork1_#res.offset, #length, ~v~0.base] because there is no mapped edge [2019-12-07 18:37:59,159 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [191] [191] L1103-1-->L1104-1: Formula: (= |v_ULTIMATE.start_main_#t~mem6_8| (select (select |v_#memory_int_16| |v_ULTIMATE.start_main_~#t1~0.base_9|) |v_ULTIMATE.start_main_~#t1~0.offset_8|)) InVars {ULTIMATE.start_main_~#t1~0.base=|v_ULTIMATE.start_main_~#t1~0.base_9|, #memory_int=|v_#memory_int_16|, ULTIMATE.start_main_~#t1~0.offset=|v_ULTIMATE.start_main_~#t1~0.offset_8|} OutVars{ULTIMATE.start_main_~#t1~0.base=|v_ULTIMATE.start_main_~#t1~0.base_9|, ULTIMATE.start_main_#t~nondet5=|v_ULTIMATE.start_main_#t~nondet5_3|, #memory_int=|v_#memory_int_16|, ULTIMATE.start_main_#t~mem6=|v_ULTIMATE.start_main_#t~mem6_8|, ULTIMATE.start_main_~#t1~0.offset=|v_ULTIMATE.start_main_~#t1~0.offset_8|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet5, ULTIMATE.start_main_#t~mem6] because there is no mapped edge [2019-12-07 18:37:59,160 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [219] [219] thread2ENTRY-->L-1-6: Formula: (and (= v_~v~0.offset_18 |v_thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.offset_14|) (= |v_thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.offset_10| |v_#t~string3.offset_7|) (= |v_#t~string3.base_7| |v_thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.base_10|) (= |v_thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset11_18| 0) (or (not (= v_~v~0.offset_18 0)) (not (= v_~v~0.base_18 0))) (= |v_thread2Thread1of1ForFork0_#in~arg.base_9| v_thread2Thread1of1ForFork0_~arg.base_7) (= |v_thread2Thread1of1ForFork0_#in~arg.offset_9| v_thread2Thread1of1ForFork0_~arg.offset_7) (= v_~v~0.base_18 |v_thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.base_14|)) InVars {~v~0.offset=v_~v~0.offset_18, thread2Thread1of1ForFork0_#in~arg.offset=|v_thread2Thread1of1ForFork0_#in~arg.offset_9|, ~v~0.base=v_~v~0.base_18, #t~string3.base=|v_#t~string3.base_7|, #t~string3.offset=|v_#t~string3.offset_7|, thread2Thread1of1ForFork0_#in~arg.base=|v_thread2Thread1of1ForFork0_#in~arg.base_9|} OutVars{thread2Thread1of1ForFork0_~arg.base=v_thread2Thread1of1ForFork0_~arg.base_7, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset11=|v_thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset11_18|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.offset=|v_thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.offset_11|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.base=|v_thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.base_10|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.offset=|v_thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.offset_14|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.base=|v_thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.base_11|, ~v~0.base=v_~v~0.base_18, #t~string3.offset=|v_#t~string3.offset_7|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.base=|v_thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.base_14|, thread2Thread1of1ForFork0_~arg.offset=v_thread2Thread1of1ForFork0_~arg.offset_7, ~v~0.offset=v_~v~0.offset_18, thread2Thread1of1ForFork0_#in~arg.offset=|v_thread2Thread1of1ForFork0_#in~arg.offset_9|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.offset=|v_thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.offset_10|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem12=|v_thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem12_16|, #t~string3.base=|v_#t~string3.base_7|, thread2Thread1of1ForFork0_#in~arg.base=|v_thread2Thread1of1ForFork0_#in~arg.base_9|} AuxVars[] AssignedVars[thread2Thread1of1ForFork0_~arg.base, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.base, thread2Thread1of1ForFork0_~arg.offset, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset11, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.offset, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.base, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.offset, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.offset, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.base, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem12] because there is no mapped edge [2019-12-07 18:37:59,160 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [231] [231] L-1-6-->thread2EXIT: Formula: (and (= |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem12_Out-1883189728| (select (select |#memory_int_In-1883189728| |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.base_In-1883189728|) (+ |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.offset_In-1883189728| |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset11_In-1883189728|))) (= 0 |thread2Thread1of1ForFork0_#res.offset_Out-1883189728|) (= |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.offset_In-1883189728| |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.offset_In-1883189728|) (= |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.base_In-1883189728| |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.base_In-1883189728|) (= |#memory_int_Out-1883189728| (store |#memory_int_In-1883189728| |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.base_In-1883189728| (store (select |#memory_int_In-1883189728| |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.base_In-1883189728|) (+ |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.offset_In-1883189728| |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset11_In-1883189728|) |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem12_Out-1883189728|))) (= |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem12_Out-1883189728| 0) (= |thread2Thread1of1ForFork0_#res.base_Out-1883189728| 0)) InVars {thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.base=|thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.base_In-1883189728|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset11=|thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset11_In-1883189728|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.offset=|thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.offset_In-1883189728|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.base=|thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.base_In-1883189728|, #memory_int=|#memory_int_In-1883189728|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.offset=|thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.offset_In-1883189728|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.offset=|thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.offset_In-1883189728|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.base=|thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.base_In-1883189728|} OutVars{thread2Thread1of1ForFork0_#res.offset=|thread2Thread1of1ForFork0_#res.offset_Out-1883189728|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset11=|thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset11_In-1883189728|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.offset=|thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.offset_In-1883189728|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.base=|thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.base_In-1883189728|, thread2Thread1of1ForFork0_#t~strcpy~res4.base=|thread2Thread1of1ForFork0_#t~strcpy~res4.base_Out-1883189728|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.offset=|thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.offset_In-1883189728|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.base=|thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.base_In-1883189728|, thread2Thread1of1ForFork0_#t~strcpy~res4.offset=|thread2Thread1of1ForFork0_#t~strcpy~res4.offset_Out-1883189728|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.base=|thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.base_In-1883189728|, thread2Thread1of1ForFork0_#res.base=|thread2Thread1of1ForFork0_#res.base_Out-1883189728|, #memory_int=|#memory_int_Out-1883189728|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.offset=|thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.offset_In-1883189728|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem12=|thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem12_Out-1883189728|} AuxVars[] AssignedVars[thread2Thread1of1ForFork0_#res.offset, thread2Thread1of1ForFork0_#res.base, thread2Thread1of1ForFork0_#t~strcpy~res4.base, #memory_int, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem12, thread2Thread1of1ForFork0_#t~strcpy~res4.offset] because there is no mapped edge [2019-12-07 18:37:59,160 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [175] [175] L1105-2-->L1106-1: Formula: (= |v_ULTIMATE.start_main_#t~mem8_8| (select (select |v_#memory_int_11| |v_ULTIMATE.start_main_~#t2~0.base_9|) |v_ULTIMATE.start_main_~#t2~0.offset_8|)) InVars {ULTIMATE.start_main_~#t2~0.offset=|v_ULTIMATE.start_main_~#t2~0.offset_8|, #memory_int=|v_#memory_int_11|, ULTIMATE.start_main_~#t2~0.base=|v_ULTIMATE.start_main_~#t2~0.base_9|} OutVars{ULTIMATE.start_main_#t~mem8=|v_ULTIMATE.start_main_#t~mem8_8|, ULTIMATE.start_main_~#t2~0.offset=|v_ULTIMATE.start_main_~#t2~0.offset_8|, #memory_int=|v_#memory_int_11|, ULTIMATE.start_main_#t~nondet7=|v_ULTIMATE.start_main_#t~nondet7_3|, ULTIMATE.start_main_~#t2~0.base=|v_ULTIMATE.start_main_~#t2~0.base_9|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem8, ULTIMATE.start_main_#t~nondet7] because there is no mapped edge [2019-12-07 18:37:59,161 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [226] [226] L1107-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= v_ULTIMATE.start___VERIFIER_assert_~expression_17 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_13|) (= v_ULTIMATE.start___VERIFIER_assert_~expression_17 0) (= (ite (= |v_ULTIMATE.start_main_#t~mem9_18| 66) 1 0) |v_ULTIMATE.start___VERIFIER_assert_#in~expression_13|) (= |v_ULTIMATE.start_main_#t~mem9_18| (select (select |v_#memory_int_38| v_~v~0.base_22) v_~v~0.offset_22))) InVars {~v~0.offset=v_~v~0.offset_22, #memory_int=|v_#memory_int_38|, ~v~0.base=v_~v~0.base_22} OutVars{ULTIMATE.start_main_#t~mem9=|v_ULTIMATE.start_main_#t~mem9_18|, ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_17, ~v~0.offset=v_~v~0.offset_22, #memory_int=|v_#memory_int_38|, ~v~0.base=v_~v~0.base_22, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_13|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem9, ULTIMATE.start___VERIFIER_assert_~expression, ULTIMATE.start___VERIFIER_assert_#in~expression] because there is no mapped edge [2019-12-07 18:37:59,165 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2019-12-07 18:37:59,166 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2019-12-07 18:37:59,166 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2019-12-07 18:37:59,166 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2019-12-07 18:37:59,166 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2019-12-07 18:37:59,167 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2019-12-07 18:37:59,167 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2019-12-07 18:37:59,167 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2019-12-07 18:37:59,167 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2019-12-07 18:37:59,167 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2019-12-07 18:37:59,167 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2019-12-07 18:37:59,168 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2019-12-07 18:37:59,176 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 06:37:59 BasicIcfg [2019-12-07 18:37:59,177 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 18:37:59,177 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 18:37:59,177 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 18:37:59,177 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 18:37:59,177 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:37:57" (3/4) ... [2019-12-07 18:37:59,179 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 18:37:59,179 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 18:37:59,181 INFO L168 Benchmark]: Toolchain (without parser) took 2146.21 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 83.9 MB). Free memory was 938.1 MB in the beginning and 1.0 GB in the end (delta: -71.0 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. [2019-12-07 18:37:59,181 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 960.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:37:59,181 INFO L168 Benchmark]: CACSL2BoogieTranslator took 477.05 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 83.9 MB). Free memory was 938.1 MB in the beginning and 1.0 GB in the end (delta: -74.2 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. [2019-12-07 18:37:59,182 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.82 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:37:59,182 INFO L168 Benchmark]: Boogie Preprocessor took 19.56 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:37:59,182 INFO L168 Benchmark]: RCFGBuilder took 227.36 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 984.5 MB in the end (delta: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. [2019-12-07 18:37:59,183 INFO L168 Benchmark]: TraceAbstraction took 1379.24 ms. Allocated memory is still 1.1 GB. Free memory was 979.2 MB in the beginning and 1.0 GB in the end (delta: -35.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:37:59,183 INFO L168 Benchmark]: Witness Printer took 2.70 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 11.5 GB. [2019-12-07 18:37:59,185 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 960.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 477.05 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 83.9 MB). Free memory was 938.1 MB in the beginning and 1.0 GB in the end (delta: -74.2 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 36.82 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.56 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 227.36 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 984.5 MB in the end (delta: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1379.24 ms. Allocated memory is still 1.1 GB. Free memory was 979.2 MB in the beginning and 1.0 GB in the end (delta: -35.0 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 2.70 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 0.9s, 66 ProgramPointsBefore, 23 ProgramPointsAfterwards, 65 TransitionsBefore, 21 TransitionsAfterwards, 96 CoEnabledTransitionPairs, 7 FixpointIterations, 27 TrivialSequentialCompositions, 20 ConcurrentSequentialCompositions, 3 TrivialYvCompositions, 8 ConcurrentYvCompositions, 2 ChoiceCompositions, 49 VarBasedMoverChecksPositive, 3 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 3 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 65 CheckedPairsTotal, 58 TotalNumberOfCompositions - UnprovableResult [Line: 1088]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of large string literal at line 1097. Possible FailurePath: [L1103] FCALL, FORK 0 pthread_create(&t1, 0, thread1, 0) VAL [arg={0:0}, v={0:0}] [L1104] FCALL, JOIN 1 pthread_join(t1, 0) VAL [\result={0:0}, arg={0:0}, arg={0:0}, malloc(sizeof(char) * 8)={-1:0}, v={-1:0}] [L1105] FCALL, FORK 0 pthread_create(&t2, 0, thread2, 0) VAL [\result={0:0}, arg={0:0}, arg={0:0}, malloc(sizeof(char) * 8)={-1:0}, v={-1:0}] [L1106] FCALL, JOIN 2 pthread_join(t2, 0) VAL [\result={0:0}, arg={0:0}, arg={0:0}, malloc(sizeof(char) * 8)={-1:0}, v={-1:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 60 locations, 1 error locations. Result: UNSAFE, OverallTime: 1.2s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 14 SDtfs, 8 SDslu, 2 SDs, 0 SdLazy, 4 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 360 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-f470102 [2019-12-07 18:38:00,572 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 18:38:00,573 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 18:38:00,581 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 18:38:00,581 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 18:38:00,582 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 18:38:00,583 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 18:38:00,585 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 18:38:00,586 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 18:38:00,586 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 18:38:00,587 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 18:38:00,588 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 18:38:00,588 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 18:38:00,589 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 18:38:00,589 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 18:38:00,590 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 18:38:00,591 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 18:38:00,591 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 18:38:00,593 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 18:38:00,594 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 18:38:00,596 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 18:38:00,596 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 18:38:00,597 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 18:38:00,598 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 18:38:00,600 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 18:38:00,600 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 18:38:00,600 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 18:38:00,601 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 18:38:00,601 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 18:38:00,602 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 18:38:00,602 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 18:38:00,602 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 18:38:00,603 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 18:38:00,603 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 18:38:00,604 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 18:38:00,604 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 18:38:00,605 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 18:38:00,605 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 18:38:00,605 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 18:38:00,606 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 18:38:00,606 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 18:38:00,607 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_cf6ff5ae-7d3f-49a7-90c5-9f61183ae39c/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-12-07 18:38:00,616 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 18:38:00,617 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 18:38:00,617 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 18:38:00,618 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 18:38:00,618 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 18:38:00,618 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 18:38:00,618 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 18:38:00,618 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 18:38:00,618 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 18:38:00,618 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 18:38:00,619 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 18:38:00,619 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 18:38:00,619 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 18:38:00,619 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 18:38:00,619 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 18:38:00,619 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 18:38:00,619 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 18:38:00,619 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 18:38:00,620 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 18:38:00,620 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 18:38:00,620 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 18:38:00,620 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 18:38:00,620 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 18:38:00,620 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 18:38:00,620 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 18:38:00,621 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 18:38:00,621 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-12-07 18:38:00,621 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 18:38:00,621 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 18:38:00,621 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 18:38:00,621 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 18:38:00,621 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_cf6ff5ae-7d3f-49a7-90c5-9f61183ae39c/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 62a3adf163f0436d6a570493ab3486b362f3c38f [2019-12-07 18:38:00,780 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 18:38:00,787 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 18:38:00,790 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 18:38:00,791 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 18:38:00,791 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 18:38:00,791 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_cf6ff5ae-7d3f-49a7-90c5-9f61183ae39c/bin/uautomizer/../../sv-benchmarks/c/pthread/bigshot_s2.i [2019-12-07 18:38:00,828 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cf6ff5ae-7d3f-49a7-90c5-9f61183ae39c/bin/uautomizer/data/608574bfd/219d13fd31764164a55e7e29d987a32e/FLAGcd1b88f1b [2019-12-07 18:38:01,219 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 18:38:01,219 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_cf6ff5ae-7d3f-49a7-90c5-9f61183ae39c/sv-benchmarks/c/pthread/bigshot_s2.i [2019-12-07 18:38:01,233 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cf6ff5ae-7d3f-49a7-90c5-9f61183ae39c/bin/uautomizer/data/608574bfd/219d13fd31764164a55e7e29d987a32e/FLAGcd1b88f1b [2019-12-07 18:38:01,241 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_cf6ff5ae-7d3f-49a7-90c5-9f61183ae39c/bin/uautomizer/data/608574bfd/219d13fd31764164a55e7e29d987a32e [2019-12-07 18:38:01,243 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 18:38:01,244 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 18:38:01,244 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 18:38:01,245 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 18:38:01,247 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 18:38:01,247 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:38:01" (1/1) ... [2019-12-07 18:38:01,249 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59c76d09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:38:01, skipping insertion in model container [2019-12-07 18:38:01,249 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:38:01" (1/1) ... [2019-12-07 18:38:01,254 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 18:38:01,283 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 18:38:01,575 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:38:01,585 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 18:38:01,614 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:38:01,721 INFO L208 MainTranslator]: Completed translation [2019-12-07 18:38:01,721 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:38:01 WrapperNode [2019-12-07 18:38:01,721 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 18:38:01,722 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 18:38:01,722 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 18:38:01,722 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 18:38:01,728 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:38:01" (1/1) ... [2019-12-07 18:38:01,744 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:38:01" (1/1) ... [2019-12-07 18:38:01,761 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 18:38:01,761 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 18:38:01,761 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 18:38:01,761 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 18:38:01,767 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:38:01" (1/1) ... [2019-12-07 18:38:01,767 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:38:01" (1/1) ... [2019-12-07 18:38:01,770 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:38:01" (1/1) ... [2019-12-07 18:38:01,770 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:38:01" (1/1) ... [2019-12-07 18:38:01,777 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:38:01" (1/1) ... [2019-12-07 18:38:01,780 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:38:01" (1/1) ... [2019-12-07 18:38:01,782 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:38:01" (1/1) ... [2019-12-07 18:38:01,785 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 18:38:01,785 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 18:38:01,786 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 18:38:01,786 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 18:38:01,786 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:38:01" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cf6ff5ae-7d3f-49a7-90c5-9f61183ae39c/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 18:38:01,827 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2019-12-07 18:38:01,827 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-07 18:38:01,827 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 18:38:01,827 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 18:38:01,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-07 18:38:01,827 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2019-12-07 18:38:01,827 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2019-12-07 18:38:01,828 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2019-12-07 18:38:01,828 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2019-12-07 18:38:01,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2019-12-07 18:38:01,828 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-12-07 18:38:01,828 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 18:38:01,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 18:38:01,829 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-07 18:38:02,036 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 18:38:02,036 INFO L287 CfgBuilder]: Removed 8 assume(true) statements. [2019-12-07 18:38:02,037 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:38:02 BoogieIcfgContainer [2019-12-07 18:38:02,037 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 18:38:02,038 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 18:38:02,038 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 18:38:02,040 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 18:38:02,040 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 06:38:01" (1/3) ... [2019-12-07 18:38:02,041 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38afc76a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 06:38:02, skipping insertion in model container [2019-12-07 18:38:02,041 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:38:01" (2/3) ... [2019-12-07 18:38:02,041 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38afc76a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 06:38:02, skipping insertion in model container [2019-12-07 18:38:02,041 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:38:02" (3/3) ... [2019-12-07 18:38:02,042 INFO L109 eAbstractionObserver]: Analyzing ICFG bigshot_s2.i [2019-12-07 18:38:02,049 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-07 18:38:02,049 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 18:38:02,054 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 18:38:02,054 INFO L339 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-07 18:38:02,073 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:38:02,073 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:38:02,073 WARN L315 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:38:02,073 WARN L315 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:38:02,073 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:38:02,074 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:38:02,074 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:38:02,074 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:38:02,074 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:38:02,074 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:38:02,075 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:38:02,075 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:38:02,075 WARN L315 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:38:02,075 WARN L315 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:38:02,075 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:38:02,075 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:38:02,076 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:38:02,076 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:38:02,076 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:38:02,076 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:38:02,076 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:38:02,076 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:38:02,076 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:38:02,077 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:38:02,077 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:38:02,077 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:38:02,077 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:38:02,077 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:38:02,077 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:38:02,077 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:38:02,077 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:38:02,078 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:38:02,078 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:38:02,078 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:38:02,078 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:38:02,078 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:38:02,078 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:38:02,078 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:38:02,079 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:38:02,079 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:38:02,079 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:38:02,079 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:38:02,079 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:38:02,079 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:38:02,079 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:38:02,079 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:38:02,080 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:38:02,103 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 18:38:02,116 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 18:38:02,117 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 18:38:02,117 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 18:38:02,117 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 18:38:02,117 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 18:38:02,117 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 18:38:02,117 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 18:38:02,117 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 18:38:02,126 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 67 places, 66 transitions [2019-12-07 18:38:02,127 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 67 places, 66 transitions [2019-12-07 18:38:02,153 INFO L134 PetriNetUnfolder]: 4/62 cut-off events. [2019-12-07 18:38:02,153 INFO L135 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-07 18:38:02,157 INFO L76 FinitePrefix]: Finished finitePrefix Result has 71 conditions, 62 events. 4/62 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 55 event pairs. 18/75 useless extension candidates. Maximal degree in co-relation 45. Up to 2 conditions per place. [2019-12-07 18:38:02,159 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 67 places, 66 transitions [2019-12-07 18:38:02,172 INFO L134 PetriNetUnfolder]: 4/62 cut-off events. [2019-12-07 18:38:02,172 INFO L135 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-07 18:38:02,173 INFO L76 FinitePrefix]: Finished finitePrefix Result has 71 conditions, 62 events. 4/62 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 55 event pairs. 18/75 useless extension candidates. Maximal degree in co-relation 45. Up to 2 conditions per place. [2019-12-07 18:38:02,173 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 96 [2019-12-07 18:38:02,174 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-07 18:38:03,523 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2019-12-07 18:38:03,802 INFO L206 etLargeBlockEncoding]: Checked pairs total: 67 [2019-12-07 18:38:03,802 INFO L214 etLargeBlockEncoding]: Total number of compositions: 57 [2019-12-07 18:38:03,805 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 23 places, 21 transitions [2019-12-07 18:38:03,811 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 19 states. [2019-12-07 18:38:03,813 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2019-12-07 18:38:03,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-07 18:38:03,818 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:38:03,818 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:38:03,818 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:38:03,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:38:03,822 INFO L82 PathProgramCache]: Analyzing trace with hash 106829018, now seen corresponding path program 1 times [2019-12-07 18:38:03,830 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 18:38:03,830 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1711052140] [2019-12-07 18:38:03,831 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cf6ff5ae-7d3f-49a7-90c5-9f61183ae39c/bin/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-12-07 18:38:03,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:38:03,905 INFO L264 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 3 conjunts are in the unsatisfiable core [2019-12-07 18:38:03,909 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:38:03,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:38:03,925 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 18:38:03,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:38:03,930 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1711052140] [2019-12-07 18:38:03,931 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:38:03,931 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-12-07 18:38:03,932 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978506030] [2019-12-07 18:38:03,936 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 18:38:03,937 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 18:38:03,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 18:38:03,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 18:38:03,950 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 3 states. [2019-12-07 18:38:03,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:38:03,973 INFO L93 Difference]: Finished difference Result 19 states and 23 transitions. [2019-12-07 18:38:03,974 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 18:38:03,975 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2019-12-07 18:38:03,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:38:03,983 INFO L225 Difference]: With dead ends: 19 [2019-12-07 18:38:03,983 INFO L226 Difference]: Without dead ends: 18 [2019-12-07 18:38:03,984 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 18:38:03,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2019-12-07 18:38:04,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2019-12-07 18:38:04,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2019-12-07 18:38:04,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 22 transitions. [2019-12-07 18:38:04,008 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 22 transitions. Word has length 13 [2019-12-07 18:38:04,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:38:04,008 INFO L462 AbstractCegarLoop]: Abstraction has 18 states and 22 transitions. [2019-12-07 18:38:04,008 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 18:38:04,008 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2019-12-07 18:38:04,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-07 18:38:04,009 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:38:04,009 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:38:04,209 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 18:38:04,210 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:38:04,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:38:04,211 INFO L82 PathProgramCache]: Analyzing trace with hash -975006788, now seen corresponding path program 1 times [2019-12-07 18:38:04,213 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 18:38:04,214 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [601683867] [2019-12-07 18:38:04,215 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cf6ff5ae-7d3f-49a7-90c5-9f61183ae39c/bin/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-12-07 18:38:04,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:38:04,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:38:04,475 INFO L174 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2019-12-07 18:38:04,476 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 18:38:04,677 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 18:38:04,680 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [228] [228] ULTIMATE.startENTRY-->L1103: Formula: (let ((.cse0 (store |v_#valid_52| (_ bv0 32) (_ bv0 1)))) (let ((.cse2 (store .cse0 |v_#t~string3.base_9| (_ bv1 1)))) (let ((.cse1 (store .cse2 |v_ULTIMATE.start_main_~#t1~0.base_21| (_ bv1 1)))) (and (= (select .cse0 |v_#t~string3.base_9|) (_ bv0 1)) (= (store .cse1 |v_ULTIMATE.start_main_~#t2~0.base_26| (_ bv1 1)) |v_#valid_50|) (= (_ bv0 32) |v_#NULL.offset_4|) (= roundNearestTiesToEven v_currentRoundingMode_5) (bvult |v_#StackHeapBarrier_15| |v_#t~string3.base_9|) (= (store (store (store |v_#length_28| |v_#t~string3.base_9| (_ bv8 32)) |v_ULTIMATE.start_main_~#t1~0.base_21| (_ bv4 32)) |v_ULTIMATE.start_main_~#t2~0.base_26| (_ bv4 32)) |v_#length_26|) (bvult |v_#StackHeapBarrier_15| |v_ULTIMATE.start_main_~#t1~0.base_21|) (= (_ bv0 32) v_~v~0.offset_24) (= |v_#t~string3.offset_9| (_ bv0 32)) (= (select .cse1 |v_ULTIMATE.start_main_~#t2~0.base_26|) (_ bv0 1)) (= (select .cse2 |v_ULTIMATE.start_main_~#t1~0.base_21|) (_ bv0 1)) (= (_ bv0 32) |v_ULTIMATE.start_main_~#t2~0.offset_22|) (= (_ bv0 32) v_~v~0.base_24) (= (_ bv0 32) |v_ULTIMATE.start_main_~#t1~0.offset_17|) (bvult |v_#StackHeapBarrier_15| |v_ULTIMATE.start_main_~#t2~0.base_26|) (= |v_#memory_int_45| (store |v_#memory_int_46| |v_ULTIMATE.start_main_~#t1~0.base_21| (store (select |v_#memory_int_46| |v_ULTIMATE.start_main_~#t1~0.base_21|) |v_ULTIMATE.start_main_~#t1~0.offset_17| (_ bv0 32)))) (bvult (_ bv0 32) |v_#StackHeapBarrier_15|) (= |v_#NULL.base_4| (_ bv0 32)))))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_15|, #valid=|v_#valid_52|, #memory_int=|v_#memory_int_46|, #length=|v_#length_28|} OutVars{ULTIMATE.start_main_#t~nondet5=|v_ULTIMATE.start_main_#t~nondet5_7|, ULTIMATE.start_main_~#t2~0.offset=|v_ULTIMATE.start_main_~#t2~0.offset_22|, #NULL.offset=|v_#NULL.offset_4|, ULTIMATE.start_main_#t~nondet7=|v_ULTIMATE.start_main_#t~nondet7_11|, ~v~0.base=v_~v~0.base_24, #NULL.base=|v_#NULL.base_4|, #t~string3.offset=|v_#t~string3.offset_9|, ULTIMATE.start_main_~#t1~0.base=|v_ULTIMATE.start_main_~#t1~0.base_21|, ULTIMATE.start_main_#t~mem9=|v_ULTIMATE.start_main_#t~mem9_18|, #StackHeapBarrier=|v_#StackHeapBarrier_15|, ULTIMATE.start_main_#t~mem8=|v_ULTIMATE.start_main_#t~mem8_18|, ~v~0.offset=v_~v~0.offset_24, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_13|, #valid=|v_#valid_50|, #memory_int=|v_#memory_int_45|, #length=|v_#length_26|, ULTIMATE.start_main_#t~mem6=|v_ULTIMATE.start_main_#t~mem6_12|, ULTIMATE.start_main_~#t1~0.offset=|v_ULTIMATE.start_main_~#t1~0.offset_17|, ULTIMATE.start_main_~#t2~0.base=|v_ULTIMATE.start_main_~#t2~0.base_26|, currentRoundingMode=v_currentRoundingMode_5, #t~string3.base=|v_#t~string3.base_9|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet5, ULTIMATE.start_main_~#t2~0.offset, #NULL.offset, ULTIMATE.start_main_#t~nondet7, ~v~0.base, #NULL.base, #t~string3.offset, ULTIMATE.start_main_~#t1~0.base, ULTIMATE.start_main_#t~mem9, ULTIMATE.start_main_#t~mem8, ~v~0.offset, ULTIMATE.start_main_#res, #valid, #memory_int, #length, ULTIMATE.start_main_#t~mem6, ULTIMATE.start_main_~#t1~0.offset, ULTIMATE.start_main_~#t2~0.base, currentRoundingMode, #t~string3.base] because there is no mapped edge [2019-12-07 18:38:04,680 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [224] [224] thread1ENTRY-->thread1EXIT: Formula: (and (bvult |v_thread1Thread1of1ForFork0_#t~malloc2.base_6| |v_#StackHeapBarrier_14|) (= |v_#valid_48| (store |v_#valid_49| |v_thread1Thread1of1ForFork0_#t~malloc2.base_6| (_ bv1 1))) (= (_ bv0 32) |v_thread1Thread1of1ForFork0_#res.base_4|) (= (select |v_#valid_49| |v_thread1Thread1of1ForFork0_#t~malloc2.base_6|) (_ bv0 1)) (= |v_thread1Thread1of1ForFork0_#t~malloc2.base_6| v_~v~0.base_21) (= |v_#length_24| (store |v_#length_25| |v_thread1Thread1of1ForFork0_#t~malloc2.base_6| (_ bv8 32))) (= |v_thread1Thread1of1ForFork0_#t~malloc2.offset_6| (_ bv0 32)) (= v_thread1Thread1of1ForFork0_~arg.offset_3 |v_thread1Thread1of1ForFork0_#in~arg.offset_5|) (= v_thread1Thread1of1ForFork0_~arg.base_3 |v_thread1Thread1of1ForFork0_#in~arg.base_5|) (= |v_thread1Thread1of1ForFork0_#t~malloc2.offset_6| v_~v~0.offset_21) (= (_ bv0 32) |v_thread1Thread1of1ForFork0_#res.offset_4|) (not (= |v_thread1Thread1of1ForFork0_#t~malloc2.base_6| (_ bv0 32)))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_14|, thread1Thread1of1ForFork0_#in~arg.base=|v_thread1Thread1of1ForFork0_#in~arg.base_5|, #valid=|v_#valid_49|, thread1Thread1of1ForFork0_#in~arg.offset=|v_thread1Thread1of1ForFork0_#in~arg.offset_5|, #length=|v_#length_25|} OutVars{thread1Thread1of1ForFork0_#t~malloc2.base=|v_thread1Thread1of1ForFork0_#t~malloc2.base_6|, thread1Thread1of1ForFork0_#t~malloc2.offset=|v_thread1Thread1of1ForFork0_#t~malloc2.offset_6|, thread1Thread1of1ForFork0_#in~arg.base=|v_thread1Thread1of1ForFork0_#in~arg.base_5|, thread1Thread1of1ForFork0_#res.base=|v_thread1Thread1of1ForFork0_#res.base_4|, thread1Thread1of1ForFork0_~arg.offset=v_thread1Thread1of1ForFork0_~arg.offset_3, thread1Thread1of1ForFork0_#res.offset=|v_thread1Thread1of1ForFork0_#res.offset_4|, ~v~0.base=v_~v~0.base_21, #StackHeapBarrier=|v_#StackHeapBarrier_14|, ~v~0.offset=v_~v~0.offset_21, thread1Thread1of1ForFork0_~arg.base=v_thread1Thread1of1ForFork0_~arg.base_3, #valid=|v_#valid_48|, thread1Thread1of1ForFork0_#in~arg.offset=|v_thread1Thread1of1ForFork0_#in~arg.offset_5|, #length=|v_#length_24|} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_#t~malloc2.base, thread1Thread1of1ForFork0_#t~malloc2.offset, thread1Thread1of1ForFork0_#res.base, thread1Thread1of1ForFork0_~arg.offset, ~v~0.offset, thread1Thread1of1ForFork0_~arg.base, #valid, thread1Thread1of1ForFork0_#res.offset, #length, ~v~0.base] because there is no mapped edge [2019-12-07 18:38:04,680 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [189] [189] L1103-1-->L1104-1: Formula: (= (select (select |v_#memory_int_21| |v_ULTIMATE.start_main_~#t1~0.base_9|) |v_ULTIMATE.start_main_~#t1~0.offset_8|) |v_ULTIMATE.start_main_#t~mem6_8|) InVars {ULTIMATE.start_main_~#t1~0.base=|v_ULTIMATE.start_main_~#t1~0.base_9|, #memory_int=|v_#memory_int_21|, ULTIMATE.start_main_~#t1~0.offset=|v_ULTIMATE.start_main_~#t1~0.offset_8|} OutVars{ULTIMATE.start_main_~#t1~0.base=|v_ULTIMATE.start_main_~#t1~0.base_9|, ULTIMATE.start_main_#t~nondet5=|v_ULTIMATE.start_main_#t~nondet5_3|, #memory_int=|v_#memory_int_21|, ULTIMATE.start_main_#t~mem6=|v_ULTIMATE.start_main_#t~mem6_8|, ULTIMATE.start_main_~#t1~0.offset=|v_ULTIMATE.start_main_~#t1~0.offset_8|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet5, ULTIMATE.start_main_#t~mem6] because there is no mapped edge [2019-12-07 18:38:04,681 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [200] [200] L1105-2-->L1106-1: Formula: (= (select (select |v_#memory_int_23| |v_ULTIMATE.start_main_~#t2~0.base_12|) |v_ULTIMATE.start_main_~#t2~0.offset_11|) |v_ULTIMATE.start_main_#t~mem8_11|) InVars {ULTIMATE.start_main_~#t2~0.offset=|v_ULTIMATE.start_main_~#t2~0.offset_11|, #memory_int=|v_#memory_int_23|, ULTIMATE.start_main_~#t2~0.base=|v_ULTIMATE.start_main_~#t2~0.base_12|} OutVars{ULTIMATE.start_main_#t~mem8=|v_ULTIMATE.start_main_#t~mem8_11|, ULTIMATE.start_main_~#t2~0.offset=|v_ULTIMATE.start_main_~#t2~0.offset_11|, #memory_int=|v_#memory_int_23|, ULTIMATE.start_main_#t~nondet7=|v_ULTIMATE.start_main_#t~nondet7_4|, ULTIMATE.start_main_~#t2~0.base=|v_ULTIMATE.start_main_~#t2~0.base_12|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem8, ULTIMATE.start_main_#t~nondet7] because there is no mapped edge [2019-12-07 18:38:04,681 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [223] [223] thread2ENTRY-->L-1-6: Formula: (and (= (_ bv0 32) |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset11_19|) (= |v_thread2Thread1of1ForFork1_#in~arg.offset_8| v_thread2Thread1of1ForFork1_~arg.offset_6) (= |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base_17| v_~v~0.base_20) (= v_~v~0.offset_20 |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset_17|) (= |v_#t~string3.base_8| |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base_10|) (= |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset_10| |v_#t~string3.offset_8|) (or (not (= (_ bv0 32) v_~v~0.base_20)) (not (= (_ bv0 32) v_~v~0.offset_20))) (= v_thread2Thread1of1ForFork1_~arg.base_6 |v_thread2Thread1of1ForFork1_#in~arg.base_8|)) InVars {thread2Thread1of1ForFork1_#in~arg.offset=|v_thread2Thread1of1ForFork1_#in~arg.offset_8|, ~v~0.offset=v_~v~0.offset_20, thread2Thread1of1ForFork1_#in~arg.base=|v_thread2Thread1of1ForFork1_#in~arg.base_8|, ~v~0.base=v_~v~0.base_20, #t~string3.base=|v_#t~string3.base_8|, #t~string3.offset=|v_#t~string3.offset_8|} OutVars{thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base=|v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base_10|, thread2Thread1of1ForFork1_~arg.base=v_thread2Thread1of1ForFork1_~arg.base_6, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset11=|v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset11_19|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset=|v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset_10|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset=|v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset_17|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base=|v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base_10|, ~v~0.base=v_~v~0.base_20, #t~string3.offset=|v_#t~string3.offset_8|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base=|v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base_17|, thread2Thread1of1ForFork1_#in~arg.offset=|v_thread2Thread1of1ForFork1_#in~arg.offset_8|, ~v~0.offset=v_~v~0.offset_20, thread2Thread1of1ForFork1_~arg.offset=v_thread2Thread1of1ForFork1_~arg.offset_6, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset=|v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset_10|, thread2Thread1of1ForFork1_#in~arg.base=|v_thread2Thread1of1ForFork1_#in~arg.base_8|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem12=|v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem12_17|, #t~string3.base=|v_#t~string3.base_8|} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base, thread2Thread1of1ForFork1_~arg.base, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset11, thread2Thread1of1ForFork1_~arg.offset, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem12] because there is no mapped edge [2019-12-07 18:38:04,681 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [233] [233] L-1-6-->thread2EXIT: Formula: (and (= |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base_In670174800| |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base_In670174800|) (= |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset_In670174800| |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset_In670174800|) (= |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem12_Out670174800| ((_ extract 7 0) (select (select |#memory_int_In670174800| |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base_In670174800|) (bvadd |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset11_In670174800| |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset_In670174800|)))) (= |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem12_Out670174800| (_ bv0 8)) (= |thread2Thread1of1ForFork1_#res.base_Out670174800| (_ bv0 32)) (= (_ bv0 32) |thread2Thread1of1ForFork1_#res.offset_Out670174800|) (= (store |#memory_int_In670174800| |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base_In670174800| (store (select |#memory_int_In670174800| |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base_In670174800|) (bvadd |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset11_In670174800| |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset_In670174800|) ((_ sign_extend 24) |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem12_Out670174800|))) |#memory_int_Out670174800|)) InVars {thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base_In670174800|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base_In670174800|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset11=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset11_In670174800|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset_In670174800|, #memory_int=|#memory_int_In670174800|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset_In670174800|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset_In670174800|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base_In670174800|} OutVars{thread2Thread1of1ForFork1_#res.offset=|thread2Thread1of1ForFork1_#res.offset_Out670174800|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base_In670174800|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset11=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset11_In670174800|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset_In670174800|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset_In670174800|, thread2Thread1of1ForFork1_#t~strcpy~res4.offset=|thread2Thread1of1ForFork1_#t~strcpy~res4.offset_Out670174800|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base_In670174800|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base_In670174800|, thread2Thread1of1ForFork1_#res.base=|thread2Thread1of1ForFork1_#res.base_Out670174800|, thread2Thread1of1ForFork1_#t~strcpy~res4.base=|thread2Thread1of1ForFork1_#t~strcpy~res4.base_Out670174800|, #memory_int=|#memory_int_Out670174800|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset_In670174800|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem12=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem12_Out670174800|} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_#res.offset, thread2Thread1of1ForFork1_#res.base, thread2Thread1of1ForFork1_#t~strcpy~res4.base, #memory_int, thread2Thread1of1ForFork1_#t~strcpy~res4.offset, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem12] because there is no mapped edge [2019-12-07 18:38:04,682 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [225] [225] L1107-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= (_ bv0 32) v_ULTIMATE.start___VERIFIER_assert_~expression_12) (= |v_ULTIMATE.start___VERIFIER_assert_#in~expression_6| v_ULTIMATE.start___VERIFIER_assert_~expression_12) (= |v_ULTIMATE.start___VERIFIER_assert_#in~expression_6| (ite (= (_ bv66 32) ((_ sign_extend 24) |v_ULTIMATE.start_main_#t~mem9_16|)) (_ bv1 32) (_ bv0 32))) (= ((_ extract 7 0) (select (select |v_#memory_int_37| v_~v~0.base_22) v_~v~0.offset_22)) |v_ULTIMATE.start_main_#t~mem9_16|)) InVars {~v~0.offset=v_~v~0.offset_22, #memory_int=|v_#memory_int_37|, ~v~0.base=v_~v~0.base_22} OutVars{ULTIMATE.start_main_#t~mem9=|v_ULTIMATE.start_main_#t~mem9_16|, ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_12, ~v~0.offset=v_~v~0.offset_22, #memory_int=|v_#memory_int_37|, ~v~0.base=v_~v~0.base_22, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_6|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem9, ULTIMATE.start___VERIFIER_assert_~expression, ULTIMATE.start___VERIFIER_assert_#in~expression] because there is no mapped edge [2019-12-07 18:38:04,688 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2019-12-07 18:38:04,688 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2019-12-07 18:38:04,688 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2019-12-07 18:38:04,688 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2019-12-07 18:38:04,689 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2019-12-07 18:38:04,689 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2019-12-07 18:38:04,689 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2019-12-07 18:38:04,689 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2019-12-07 18:38:04,690 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2019-12-07 18:38:04,690 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2019-12-07 18:38:04,690 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2019-12-07 18:38:04,690 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2019-12-07 18:38:04,699 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 06:38:04 BasicIcfg [2019-12-07 18:38:04,700 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 18:38:04,700 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 18:38:04,700 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 18:38:04,700 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 18:38:04,700 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:38:02" (3/4) ... [2019-12-07 18:38:04,703 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 18:38:04,703 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 18:38:04,704 INFO L168 Benchmark]: Toolchain (without parser) took 3459.86 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 230.2 MB). Free memory was 947.0 MB in the beginning and 1.2 GB in the end (delta: -237.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:38:04,704 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:38:04,705 INFO L168 Benchmark]: CACSL2BoogieTranslator took 477.27 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: -129.1 MB). Peak memory consumption was 26.6 MB. Max. memory is 11.5 GB. [2019-12-07 18:38:04,705 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.71 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-12-07 18:38:04,705 INFO L168 Benchmark]: Boogie Preprocessor took 24.32 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. [2019-12-07 18:38:04,706 INFO L168 Benchmark]: RCFGBuilder took 251.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 31.9 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. [2019-12-07 18:38:04,706 INFO L168 Benchmark]: TraceAbstraction took 2661.66 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 88.1 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -146.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:38:04,707 INFO L168 Benchmark]: Witness Printer took 2.93 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:38:04,709 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 477.27 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: -129.1 MB). Peak memory consumption was 26.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 38.71 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.32 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 251.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 31.9 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2661.66 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 88.1 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -146.8 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 2.93 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.6s, 67 ProgramPointsBefore, 23 ProgramPointsAfterwards, 66 TransitionsBefore, 21 TransitionsAfterwards, 96 CoEnabledTransitionPairs, 6 FixpointIterations, 23 TrivialSequentialCompositions, 22 ConcurrentSequentialCompositions, 6 TrivialYvCompositions, 6 ConcurrentYvCompositions, 2 ChoiceCompositions, 48 VarBasedMoverChecksPositive, 4 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 4 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 67 CheckedPairsTotal, 57 TotalNumberOfCompositions - UnprovableResult [Line: 1088]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of large string literal at line 1097. Possible FailurePath: [L1103] FCALL, FORK 0 pthread_create(&t1, 0, thread1, 0) VAL [arg={0:0}, v={0:0}] [L1104] FCALL, JOIN 1 pthread_join(t1, 0) VAL [\result={0:0}, arg={0:0}, arg={0:0}, malloc(sizeof(char) * 8)={1:0}, v={1:0}] [L1105] FCALL, FORK 0 pthread_create(&t2, 0, thread2, 0) VAL [\result={0:0}, arg={0:0}, arg={0:0}, malloc(sizeof(char) * 8)={1:0}, v={1:0}] [L1106] FCALL, JOIN 2 pthread_join(t2, 0) VAL [\result={0:0}, arg={0:0}, arg={0:0}, malloc(sizeof(char) * 8)={1:0}, v={1:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 61 locations, 1 error locations. Result: UNSAFE, OverallTime: 2.5s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 14 SDtfs, 7 SDslu, 2 SDs, 0 SdLazy, 4 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 24 ConstructedInterpolants, 0 QuantifiedInterpolants, 792 SizeOfPredicates, 1 NumberOfNonLiveVariables, 59 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...