./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread/lazy01.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_4112dc2e-122b-4654-b889-544d3da843d4/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_4112dc2e-122b-4654-b889-544d3da843d4/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4112dc2e-122b-4654-b889-544d3da843d4/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4112dc2e-122b-4654-b889-544d3da843d4/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread/lazy01.i -s /tmp/vcloud-vcloud-master/worker/run_dir_4112dc2e-122b-4654-b889-544d3da843d4/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4112dc2e-122b-4654-b889-544d3da843d4/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 ab0d24246c157035db17326bff34412824264885 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-25 08:51:00,462 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:51:00,464 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:51:00,477 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:51:00,478 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:51:00,479 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:51:00,481 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:51:00,489 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:51:00,493 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:51:00,498 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:51:00,499 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:51:00,500 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:51:00,500 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:51:00,502 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:51:00,503 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:51:00,504 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:51:00,505 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:51:00,506 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:51:00,508 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:51:00,512 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:51:00,516 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:51:00,519 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:51:00,520 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:51:00,521 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:51:00,523 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:51:00,524 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:51:00,524 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:51:00,525 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:51:00,526 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:51:00,527 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:51:00,527 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:51:00,527 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:51:00,528 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:51:00,529 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:51:00,530 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:51:00,530 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:51:00,531 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:51:00,531 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:51:00,531 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:51:00,532 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:51:00,533 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:51:00,534 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4112dc2e-122b-4654-b889-544d3da843d4/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 08:51:00,558 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:51:00,568 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:51:00,569 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:51:00,569 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:51:00,569 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:51:00,569 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:51:00,570 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 08:51:00,570 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 08:51:00,570 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 08:51:00,570 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:51:00,571 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 08:51:00,571 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 08:51:00,571 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 08:51:00,571 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 08:51:00,571 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:51:00,572 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:51:00,573 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 08:51:00,573 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:51:00,573 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:51:00,573 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 08:51:00,574 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 08:51:00,574 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 08:51:00,574 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:51:00,574 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 08:51:00,575 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 08:51:00,575 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 08:51:00,575 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 08:51:00,575 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 08:51:00,575 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_4112dc2e-122b-4654-b889-544d3da843d4/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 -> ab0d24246c157035db17326bff34412824264885 [2019-11-25 08:51:00,711 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:51:00,724 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:51:00,727 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:51:00,728 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:51:00,728 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:51:00,729 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4112dc2e-122b-4654-b889-544d3da843d4/bin/uautomizer/../../sv-benchmarks/c/pthread/lazy01.i [2019-11-25 08:51:00,778 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4112dc2e-122b-4654-b889-544d3da843d4/bin/uautomizer/data/7aa86a535/85054d92dad1433f95fe7029b349cb1e/FLAGa600cb478 [2019-11-25 08:51:01,271 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:51:01,272 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4112dc2e-122b-4654-b889-544d3da843d4/sv-benchmarks/c/pthread/lazy01.i [2019-11-25 08:51:01,290 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4112dc2e-122b-4654-b889-544d3da843d4/bin/uautomizer/data/7aa86a535/85054d92dad1433f95fe7029b349cb1e/FLAGa600cb478 [2019-11-25 08:51:01,560 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4112dc2e-122b-4654-b889-544d3da843d4/bin/uautomizer/data/7aa86a535/85054d92dad1433f95fe7029b349cb1e [2019-11-25 08:51:01,563 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:51:01,565 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:51:01,566 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:51:01,566 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:51:01,574 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:51:01,575 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:51:01" (1/1) ... [2019-11-25 08:51:01,578 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cdd8368 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:01, skipping insertion in model container [2019-11-25 08:51:01,578 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:51:01" (1/1) ... [2019-11-25 08:51:01,587 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:51:01,651 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:51:02,149 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:51:02,170 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:51:02,229 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:51:02,312 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:51:02,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:02 WrapperNode [2019-11-25 08:51:02,313 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:51:02,313 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:51:02,314 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:51:02,314 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:51:02,322 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:02" (1/1) ... [2019-11-25 08:51:02,344 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:02" (1/1) ... [2019-11-25 08:51:02,366 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:51:02,366 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:51:02,367 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:51:02,367 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:51:02,374 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:02" (1/1) ... [2019-11-25 08:51:02,375 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:02" (1/1) ... [2019-11-25 08:51:02,378 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:02" (1/1) ... [2019-11-25 08:51:02,379 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:02" (1/1) ... [2019-11-25 08:51:02,385 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:02" (1/1) ... [2019-11-25 08:51:02,387 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:02" (1/1) ... [2019-11-25 08:51:02,390 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:02" (1/1) ... [2019-11-25 08:51:02,393 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:51:02,393 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:51:02,394 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:51:02,394 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:51:02,395 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4112dc2e-122b-4654-b889-544d3da843d4/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 08:51:02,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-25 08:51:02,460 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2019-11-25 08:51:02,460 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2019-11-25 08:51:02,460 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2019-11-25 08:51:02,461 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2019-11-25 08:51:02,461 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2019-11-25 08:51:02,461 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2019-11-25 08:51:02,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-25 08:51:02,462 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2019-11-25 08:51:02,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-25 08:51:02,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-25 08:51:02,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-25 08:51:02,465 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:51:02,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:51:02,467 WARN L202 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-11-25 08:51:02,809 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:51:02,809 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-25 08:51:02,810 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:51:02 BoogieIcfgContainer [2019-11-25 08:51:02,811 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:51:02,812 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-25 08:51:02,812 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-25 08:51:02,814 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-25 08:51:02,814 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:51:01" (1/3) ... [2019-11-25 08:51:02,815 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c67bd3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:51:02, skipping insertion in model container [2019-11-25 08:51:02,815 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:02" (2/3) ... [2019-11-25 08:51:02,816 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c67bd3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:51:02, skipping insertion in model container [2019-11-25 08:51:02,816 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:51:02" (3/3) ... [2019-11-25 08:51:02,821 INFO L109 eAbstractionObserver]: Analyzing ICFG lazy01.i [2019-11-25 08:51:02,864 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:02,864 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:02,864 WARN L315 ript$VariableManager]: TermVariabe thread1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:02,864 WARN L315 ript$VariableManager]: TermVariabe thread1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:02,865 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:02,865 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:02,865 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of3ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:02,865 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of3ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:02,865 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of3ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:02,866 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:02,866 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:02,867 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:02,867 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:02,867 WARN L315 ript$VariableManager]: TermVariabe thread1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:02,867 WARN L315 ript$VariableManager]: TermVariabe thread1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:02,867 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread2of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:02,868 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread2of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:02,868 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread2of3ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:02,868 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread2of3ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:02,868 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread2of3ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:02,869 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:02,869 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:02,869 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:02,869 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:02,869 WARN L315 ript$VariableManager]: TermVariabe thread1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:02,869 WARN L315 ript$VariableManager]: TermVariabe thread1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:02,870 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread3of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:02,870 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread3of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:02,870 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread3of3ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:02,870 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread3of3ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:02,871 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread3of3ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:02,871 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:02,871 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:02,871 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread3of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:02,871 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread3of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:02,872 WARN L315 ript$VariableManager]: TermVariabe thread2Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:02,872 WARN L315 ript$VariableManager]: TermVariabe thread2Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:02,872 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread3of3ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:02,872 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread3of3ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:02,873 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread3of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:02,873 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread3of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:02,873 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:02,873 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:02,873 WARN L315 ript$VariableManager]: TermVariabe thread2Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:02,873 WARN L315 ript$VariableManager]: TermVariabe thread2Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:02,874 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of3ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:02,874 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of3ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:02,874 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:02,874 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:02,875 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread2of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:02,875 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread2of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:02,875 WARN L315 ript$VariableManager]: TermVariabe thread2Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:02,875 WARN L315 ript$VariableManager]: TermVariabe thread2Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:02,875 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread2of3ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:02,876 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread2of3ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:02,876 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread2of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:02,876 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread2of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:02,877 WARN L315 ript$VariableManager]: TermVariabe |thread3Thread1of3ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:02,877 WARN L315 ript$VariableManager]: TermVariabe |thread3Thread1of3ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:02,877 WARN L315 ript$VariableManager]: TermVariabe thread3Thread1of3ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:02,877 WARN L315 ript$VariableManager]: TermVariabe thread3Thread1of3ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:02,877 WARN L315 ript$VariableManager]: TermVariabe |thread3Thread1of3ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:02,878 WARN L315 ript$VariableManager]: TermVariabe |thread3Thread1of3ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:02,878 WARN L315 ript$VariableManager]: TermVariabe |thread3Thread1of3ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:02,878 WARN L315 ript$VariableManager]: TermVariabe |thread3Thread1of3ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:02,879 WARN L315 ript$VariableManager]: TermVariabe |thread3Thread3of3ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:02,879 WARN L315 ript$VariableManager]: TermVariabe |thread3Thread3of3ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:02,879 WARN L315 ript$VariableManager]: TermVariabe thread3Thread3of3ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:02,879 WARN L315 ript$VariableManager]: TermVariabe thread3Thread3of3ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:02,879 WARN L315 ript$VariableManager]: TermVariabe |thread3Thread3of3ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:02,879 WARN L315 ript$VariableManager]: TermVariabe |thread3Thread3of3ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:02,880 WARN L315 ript$VariableManager]: TermVariabe |thread3Thread3of3ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:02,880 WARN L315 ript$VariableManager]: TermVariabe |thread3Thread3of3ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:02,881 WARN L315 ript$VariableManager]: TermVariabe |thread3Thread2of3ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:02,881 WARN L315 ript$VariableManager]: TermVariabe |thread3Thread2of3ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:02,881 WARN L315 ript$VariableManager]: TermVariabe thread3Thread2of3ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:02,881 WARN L315 ript$VariableManager]: TermVariabe thread3Thread2of3ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:02,881 WARN L315 ript$VariableManager]: TermVariabe |thread3Thread2of3ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:02,882 WARN L315 ript$VariableManager]: TermVariabe |thread3Thread2of3ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:02,882 WARN L315 ript$VariableManager]: TermVariabe |thread3Thread2of3ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:02,882 WARN L315 ript$VariableManager]: TermVariabe |thread3Thread2of3ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:02,960 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-11-25 08:51:02,960 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-25 08:51:02,967 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2019-11-25 08:51:02,978 INFO L249 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-11-25 08:51:02,997 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-25 08:51:02,998 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-25 08:51:02,998 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-25 08:51:02,999 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:51:02,999 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:51:02,999 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-25 08:51:02,999 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:51:03,000 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-25 08:51:03,023 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 146 places, 151 transitions [2019-11-25 08:51:03,347 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 3563 states. [2019-11-25 08:51:03,349 INFO L276 IsEmpty]: Start isEmpty. Operand 3563 states. [2019-11-25 08:51:03,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-25 08:51:03,374 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:51:03,378 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:51:03,378 INFO L410 AbstractCegarLoop]: === Iteration 1 === [thread3Err0ASSERT_VIOLATIONERROR_FUNCTION, thread3Err0ASSERT_VIOLATIONERROR_FUNCTION, thread3Err0ASSERT_VIOLATIONERROR_FUNCTION, thread3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:51:03,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:51:03,384 INFO L82 PathProgramCache]: Analyzing trace with hash -694398539, now seen corresponding path program 1 times [2019-11-25 08:51:03,393 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:51:03,393 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463248779] [2019-11-25 08:51:03,393 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:51:03,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:51:03,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:51:03,702 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463248779] [2019-11-25 08:51:03,703 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:51:03,703 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-25 08:51:03,711 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505286388] [2019-11-25 08:51:03,715 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-25 08:51:03,718 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:51:03,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 08:51:03,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:51:03,734 INFO L87 Difference]: Start difference. First operand 3563 states. Second operand 3 states. [2019-11-25 08:51:03,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:51:03,857 INFO L93 Difference]: Finished difference Result 3443 states and 10693 transitions. [2019-11-25 08:51:03,858 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:51:03,859 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 29 [2019-11-25 08:51:03,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:51:03,894 INFO L225 Difference]: With dead ends: 3443 [2019-11-25 08:51:03,894 INFO L226 Difference]: Without dead ends: 1950 [2019-11-25 08:51:03,895 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 [2019-11-25 08:51:03,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1950 states. [2019-11-25 08:51:04,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1950 to 1950. [2019-11-25 08:51:04,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1950 states. [2019-11-25 08:51:04,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1950 states to 1950 states and 5938 transitions. [2019-11-25 08:51:04,058 INFO L78 Accepts]: Start accepts. Automaton has 1950 states and 5938 transitions. Word has length 29 [2019-11-25 08:51:04,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:51:04,059 INFO L462 AbstractCegarLoop]: Abstraction has 1950 states and 5938 transitions. [2019-11-25 08:51:04,060 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-25 08:51:04,060 INFO L276 IsEmpty]: Start isEmpty. Operand 1950 states and 5938 transitions. [2019-11-25 08:51:04,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-25 08:51:04,064 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:51:04,064 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:51:04,064 INFO L410 AbstractCegarLoop]: === Iteration 2 === [thread3Err0ASSERT_VIOLATIONERROR_FUNCTION, thread3Err0ASSERT_VIOLATIONERROR_FUNCTION, thread3Err0ASSERT_VIOLATIONERROR_FUNCTION, thread3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:51:04,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:51:04,065 INFO L82 PathProgramCache]: Analyzing trace with hash 1438607223, now seen corresponding path program 1 times [2019-11-25 08:51:04,065 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:51:04,065 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391198113] [2019-11-25 08:51:04,065 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:51:04,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:51:04,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:51:04,163 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391198113] [2019-11-25 08:51:04,163 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:51:04,164 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-25 08:51:04,164 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722653075] [2019-11-25 08:51:04,166 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-25 08:51:04,166 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:51:04,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 08:51:04,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:51:04,167 INFO L87 Difference]: Start difference. First operand 1950 states and 5938 transitions. Second operand 3 states. [2019-11-25 08:51:04,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:51:04,221 INFO L93 Difference]: Finished difference Result 1155 states and 3066 transitions. [2019-11-25 08:51:04,222 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:51:04,222 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2019-11-25 08:51:04,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:51:04,231 INFO L225 Difference]: With dead ends: 1155 [2019-11-25 08:51:04,231 INFO L226 Difference]: Without dead ends: 1131 [2019-11-25 08:51:04,232 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 [2019-11-25 08:51:04,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1131 states. [2019-11-25 08:51:04,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1131 to 1131. [2019-11-25 08:51:04,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1131 states. [2019-11-25 08:51:04,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1131 states to 1131 states and 3002 transitions. [2019-11-25 08:51:04,273 INFO L78 Accepts]: Start accepts. Automaton has 1131 states and 3002 transitions. Word has length 33 [2019-11-25 08:51:04,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:51:04,273 INFO L462 AbstractCegarLoop]: Abstraction has 1131 states and 3002 transitions. [2019-11-25 08:51:04,273 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-25 08:51:04,273 INFO L276 IsEmpty]: Start isEmpty. Operand 1131 states and 3002 transitions. [2019-11-25 08:51:04,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-25 08:51:04,275 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:51:04,276 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:51:04,276 INFO L410 AbstractCegarLoop]: === Iteration 3 === [thread3Err0ASSERT_VIOLATIONERROR_FUNCTION, thread3Err0ASSERT_VIOLATIONERROR_FUNCTION, thread3Err0ASSERT_VIOLATIONERROR_FUNCTION, thread3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:51:04,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:51:04,276 INFO L82 PathProgramCache]: Analyzing trace with hash -1868177178, now seen corresponding path program 1 times [2019-11-25 08:51:04,276 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:51:04,277 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35226407] [2019-11-25 08:51:04,277 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:51:04,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:51:04,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:51:04,346 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35226407] [2019-11-25 08:51:04,347 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:51:04,347 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-25 08:51:04,347 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101904025] [2019-11-25 08:51:04,347 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-25 08:51:04,348 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:51:04,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-25 08:51:04,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-25 08:51:04,348 INFO L87 Difference]: Start difference. First operand 1131 states and 3002 transitions. Second operand 4 states. [2019-11-25 08:51:04,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:51:04,382 INFO L93 Difference]: Finished difference Result 1083 states and 2870 transitions. [2019-11-25 08:51:04,383 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-25 08:51:04,383 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2019-11-25 08:51:04,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:51:04,391 INFO L225 Difference]: With dead ends: 1083 [2019-11-25 08:51:04,391 INFO L226 Difference]: Without dead ends: 1035 [2019-11-25 08:51:04,392 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-25 08:51:04,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1035 states. [2019-11-25 08:51:04,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1035 to 1035. [2019-11-25 08:51:04,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1035 states. [2019-11-25 08:51:04,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1035 states to 1035 states and 2738 transitions. [2019-11-25 08:51:04,432 INFO L78 Accepts]: Start accepts. Automaton has 1035 states and 2738 transitions. Word has length 34 [2019-11-25 08:51:04,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:51:04,433 INFO L462 AbstractCegarLoop]: Abstraction has 1035 states and 2738 transitions. [2019-11-25 08:51:04,433 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-25 08:51:04,433 INFO L276 IsEmpty]: Start isEmpty. Operand 1035 states and 2738 transitions. [2019-11-25 08:51:04,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-25 08:51:04,437 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:51:04,438 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:51:04,438 INFO L410 AbstractCegarLoop]: === Iteration 4 === [thread3Err0ASSERT_VIOLATIONERROR_FUNCTION, thread3Err0ASSERT_VIOLATIONERROR_FUNCTION, thread3Err0ASSERT_VIOLATIONERROR_FUNCTION, thread3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:51:04,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:51:04,438 INFO L82 PathProgramCache]: Analyzing trace with hash -1384592661, now seen corresponding path program 1 times [2019-11-25 08:51:04,438 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:51:04,439 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324721624] [2019-11-25 08:51:04,439 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:51:04,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:51:04,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:51:04,592 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324721624] [2019-11-25 08:51:04,592 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:51:04,592 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-25 08:51:04,592 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197677416] [2019-11-25 08:51:04,592 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-25 08:51:04,592 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:51:04,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-25 08:51:04,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-25 08:51:04,593 INFO L87 Difference]: Start difference. First operand 1035 states and 2738 transitions. Second operand 5 states. [2019-11-25 08:51:04,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:51:04,659 INFO L93 Difference]: Finished difference Result 987 states and 2606 transitions. [2019-11-25 08:51:04,660 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-25 08:51:04,660 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2019-11-25 08:51:04,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:51:04,667 INFO L225 Difference]: With dead ends: 987 [2019-11-25 08:51:04,667 INFO L226 Difference]: Without dead ends: 939 [2019-11-25 08:51:04,668 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-11-25 08:51:04,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 939 states. [2019-11-25 08:51:04,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 939 to 939. [2019-11-25 08:51:04,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 939 states. [2019-11-25 08:51:04,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 939 states to 939 states and 2474 transitions. [2019-11-25 08:51:04,699 INFO L78 Accepts]: Start accepts. Automaton has 939 states and 2474 transitions. Word has length 36 [2019-11-25 08:51:04,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:51:04,701 INFO L462 AbstractCegarLoop]: Abstraction has 939 states and 2474 transitions. [2019-11-25 08:51:04,702 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-25 08:51:04,702 INFO L276 IsEmpty]: Start isEmpty. Operand 939 states and 2474 transitions. [2019-11-25 08:51:04,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-25 08:51:04,704 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:51:04,704 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:51:04,704 INFO L410 AbstractCegarLoop]: === Iteration 5 === [thread3Err0ASSERT_VIOLATIONERROR_FUNCTION, thread3Err0ASSERT_VIOLATIONERROR_FUNCTION, thread3Err0ASSERT_VIOLATIONERROR_FUNCTION, thread3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:51:04,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:51:04,704 INFO L82 PathProgramCache]: Analyzing trace with hash 398463160, now seen corresponding path program 1 times [2019-11-25 08:51:04,705 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:51:04,705 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334485079] [2019-11-25 08:51:04,705 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:51:04,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:51:04,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:51:04,798 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:51:04,798 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-25 08:51:04,859 INFO L304 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2019-11-25 08:51:04,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 08:51:04 BasicIcfg [2019-11-25 08:51:04,860 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-25 08:51:04,861 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:51:04,861 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:51:04,861 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:51:04,861 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:51:02" (3/4) ... [2019-11-25 08:51:04,863 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-25 08:51:04,923 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_4112dc2e-122b-4654-b889-544d3da843d4/bin/uautomizer/witness.graphml [2019-11-25 08:51:04,923 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:51:04,927 INFO L168 Benchmark]: Toolchain (without parser) took 3360.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.7 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -140.3 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. [2019-11-25 08:51:04,928 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:51:04,929 INFO L168 Benchmark]: CACSL2BoogieTranslator took 747.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.7 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -187.0 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2019-11-25 08:51:04,930 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.73 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:51:04,930 INFO L168 Benchmark]: Boogie Preprocessor took 26.76 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:51:04,934 INFO L168 Benchmark]: RCFGBuilder took 417.26 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: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. [2019-11-25 08:51:04,939 INFO L168 Benchmark]: TraceAbstraction took 2048.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-25 08:51:04,939 INFO L168 Benchmark]: Witness Printer took 63.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 12.3 MB). Peak memory consumption was 12.3 MB. Max. memory is 11.5 GB. [2019-11-25 08:51:04,942 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 747.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.7 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -187.0 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 52.73 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.76 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 417.26 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: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2048.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Witness Printer took 63.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 12.3 MB). Peak memory consumption was 12.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 703]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L684] 0 int data = 0; VAL [data=0] [L683] 0 pthread_mutex_t mutex; VAL [data=0, mutex={5:0}] [L712] 0 pthread_t t1, t2, t3; VAL [data=0, mutex={5:0}] [L713] FCALL, FORK 0 pthread_create(&t1, 0, thread1, 0) VAL [arg={0:0}, data=0, mutex={5:0}] [L688] 1 data++ VAL [arg={0:0}, arg={0:0}, data=1, mutex={5:0}] [L714] FCALL, FORK 0 pthread_create(&t2, 0, thread2, 0) VAL [arg={0:0}, arg={0:0}, arg={0:0}, data=1, mutex={5:0}] [L695] 2 data+=2 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data=3, mutex={5:0}] [L715] FCALL, FORK 0 pthread_create(&t3, 0, thread3, 0) VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data=3, mutex={5:0}] [L702] COND TRUE 3 data >= 3 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data=3, mutex={5:0}] [L703] 3 __VERIFIER_error() VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data=3, mutex={5:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 13 procedures, 156 locations, 4 error locations. Result: UNSAFE, OverallTime: 1.8s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 266 SDtfs, 146 SDslu, 284 SDs, 0 SdLazy, 43 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3563occurred 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: 0.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 173 NumberOfCodeBlocks, 173 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 128 ConstructedInterpolants, 0 QuantifiedInterpolants, 10894 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 proved your program to be incorrect! Received shutdown request...