/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-MCR.epf -i ../../../trunk/examples/svcomp/pthread-nondet/nondet-array-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-4336eb1 [2019-12-28 05:51:59,784 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-28 05:51:59,787 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-28 05:51:59,804 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-28 05:51:59,805 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-28 05:51:59,806 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-28 05:51:59,808 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-28 05:51:59,818 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-28 05:51:59,821 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-28 05:51:59,823 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-28 05:51:59,825 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-28 05:51:59,827 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-28 05:51:59,827 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-28 05:51:59,829 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-28 05:51:59,831 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-28 05:51:59,832 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-28 05:51:59,834 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-28 05:51:59,835 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-28 05:51:59,837 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-28 05:51:59,838 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-28 05:51:59,840 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-28 05:51:59,840 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-28 05:51:59,841 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-28 05:51:59,842 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-28 05:51:59,844 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-28 05:51:59,844 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-28 05:51:59,844 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-28 05:51:59,845 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-28 05:51:59,845 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-28 05:51:59,846 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-28 05:51:59,846 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-28 05:51:59,847 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-28 05:51:59,848 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-28 05:51:59,848 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-28 05:51:59,849 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-28 05:51:59,849 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-28 05:51:59,850 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-28 05:51:59,850 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-28 05:51:59,850 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-28 05:51:59,851 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-28 05:51:59,852 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-28 05:51:59,853 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-MCR.epf [2019-12-28 05:51:59,866 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-28 05:51:59,866 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-28 05:51:59,867 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-28 05:51:59,868 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-28 05:51:59,868 INFO L138 SettingsManager]: * Use SBE=true [2019-12-28 05:51:59,868 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-28 05:51:59,868 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-28 05:51:59,868 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-28 05:51:59,869 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-28 05:51:59,869 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-28 05:51:59,869 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-28 05:51:59,869 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-28 05:51:59,869 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-28 05:51:59,869 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-28 05:51:59,870 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-28 05:51:59,870 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-28 05:51:59,870 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-28 05:51:59,870 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-28 05:51:59,870 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-28 05:51:59,871 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-28 05:51:59,871 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-28 05:51:59,871 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-28 05:51:59,871 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-28 05:51:59,871 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-28 05:51:59,872 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-28 05:51:59,872 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-28 05:51:59,872 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-28 05:51:59,872 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2019-12-28 05:51:59,872 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2019-12-28 05:51:59,872 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-28 05:51:59,873 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2019-12-28 05:51:59,873 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-28 05:52:00,129 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-28 05:52:00,146 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-28 05:52:00,150 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-28 05:52:00,152 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-28 05:52:00,153 INFO L275 PluginConnector]: CDTParser initialized [2019-12-28 05:52:00,154 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-nondet/nondet-array-1.i [2019-12-28 05:52:00,227 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2edc8b143/14e1294a98614a7785e48280cbc5ad41/FLAGfb37c7768 [2019-12-28 05:52:00,765 INFO L306 CDTParser]: Found 1 translation units. [2019-12-28 05:52:00,765 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-nondet/nondet-array-1.i [2019-12-28 05:52:00,786 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2edc8b143/14e1294a98614a7785e48280cbc5ad41/FLAGfb37c7768 [2019-12-28 05:52:01,039 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2edc8b143/14e1294a98614a7785e48280cbc5ad41 [2019-12-28 05:52:01,049 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-28 05:52:01,051 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-28 05:52:01,052 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-28 05:52:01,052 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-28 05:52:01,058 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-28 05:52:01,059 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 05:52:01" (1/1) ... [2019-12-28 05:52:01,061 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75cdc2a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:52:01, skipping insertion in model container [2019-12-28 05:52:01,061 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 05:52:01" (1/1) ... [2019-12-28 05:52:01,068 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-28 05:52:01,110 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-28 05:52:01,587 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-28 05:52:01,603 INFO L203 MainTranslator]: Completed pre-run [2019-12-28 05:52:01,651 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-28 05:52:01,743 INFO L208 MainTranslator]: Completed translation [2019-12-28 05:52:01,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:52:01 WrapperNode [2019-12-28 05:52:01,743 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-28 05:52:01,744 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-28 05:52:01,744 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-28 05:52:01,746 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-28 05:52:01,755 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:52:01" (1/1) ... [2019-12-28 05:52:01,778 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:52:01" (1/1) ... [2019-12-28 05:52:01,803 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-28 05:52:01,803 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-28 05:52:01,803 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-28 05:52:01,803 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-28 05:52:01,810 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:52:01" (1/1) ... [2019-12-28 05:52:01,811 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:52:01" (1/1) ... [2019-12-28 05:52:01,814 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:52:01" (1/1) ... [2019-12-28 05:52:01,814 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:52:01" (1/1) ... [2019-12-28 05:52:01,824 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:52:01" (1/1) ... [2019-12-28 05:52:01,836 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:52:01" (1/1) ... [2019-12-28 05:52:01,838 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:52:01" (1/1) ... [2019-12-28 05:52:01,844 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-28 05:52:01,844 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-28 05:52:01,844 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-28 05:52:01,845 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-28 05:52:01,849 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:52:01" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-12-28 05:52:01,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-12-28 05:52:01,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-28 05:52:01,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-28 05:52:01,906 INFO L130 BoogieDeclarations]: Found specification of procedure thr [2019-12-28 05:52:01,906 INFO L138 BoogieDeclarations]: Found implementation of procedure thr [2019-12-28 05:52:01,907 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-28 05:52:01,907 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-28 05:52:01,907 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-28 05:52:01,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-28 05:52:01,909 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-28 05:52:02,279 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-28 05:52:02,279 INFO L287 CfgBuilder]: Removed 9 assume(true) statements. [2019-12-28 05:52:02,282 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 05:52:02 BoogieIcfgContainer [2019-12-28 05:52:02,282 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-28 05:52:02,283 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-28 05:52:02,283 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-28 05:52:02,286 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-28 05:52:02,287 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 05:52:01" (1/3) ... [2019-12-28 05:52:02,288 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2593af8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 05:52:02, skipping insertion in model container [2019-12-28 05:52:02,288 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:52:01" (2/3) ... [2019-12-28 05:52:02,288 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2593af8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 05:52:02, skipping insertion in model container [2019-12-28 05:52:02,289 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 05:52:02" (3/3) ... [2019-12-28 05:52:02,291 INFO L109 eAbstractionObserver]: Analyzing ICFG nondet-array-1.i [2019-12-28 05:52:02,302 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-28 05:52:02,302 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-28 05:52:02,311 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-28 05:52:02,312 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-28 05:52:02,338 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:02,338 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:02,339 WARN L315 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:02,339 WARN L315 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:02,339 WARN L315 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:02,339 WARN L315 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:02,340 WARN L315 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:02,343 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:02,344 WARN L315 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:02,344 WARN L315 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:02,344 WARN L315 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:02,344 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:02,362 INFO L249 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2019-12-28 05:52:02,382 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-28 05:52:02,383 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-28 05:52:02,383 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-28 05:52:02,383 INFO L376 AbstractCegarLoop]: Backedges is MCR [2019-12-28 05:52:02,383 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-28 05:52:02,383 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-28 05:52:02,383 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-28 05:52:02,383 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-28 05:52:02,394 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 63 places, 66 transitions [2019-12-28 05:52:02,414 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 248 states. [2019-12-28 05:52:02,417 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states. [2019-12-28 05:52:02,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-12-28 05:52:02,428 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 05:52:02,429 INFO L411 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-28 05:52:02,429 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 05:52:02,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 05:52:02,437 INFO L82 PathProgramCache]: Analyzing trace with hash -1709809530, now seen corresponding path program 1 times [2019-12-28 05:52:02,446 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 05:52:02,446 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159895059] [2019-12-28 05:52:02,446 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 05:52:02,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-28 05:52:02,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-28 05:52:02,672 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-28 05:52:02,672 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-28 05:52:02,673 WARN L364 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2019-12-28 05:52:02,674 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2019-12-28 05:52:02,689 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:02,689 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:02,690 WARN L315 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:02,691 WARN L315 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:02,691 WARN L315 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:02,692 WARN L315 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:02,692 WARN L315 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:02,693 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:02,693 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:02,693 WARN L315 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:02,694 WARN L315 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:02,694 WARN L315 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:02,695 WARN L315 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:02,695 WARN L315 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:02,696 WARN L315 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:02,696 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:02,696 WARN L315 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:02,697 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:02,697 WARN L315 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:02,700 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:02,700 WARN L315 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:02,700 WARN L315 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:02,701 WARN L315 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:02,701 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:02,720 INFO L249 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2019-12-28 05:52:02,721 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-28 05:52:02,721 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-28 05:52:02,721 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-28 05:52:02,721 INFO L376 AbstractCegarLoop]: Backedges is MCR [2019-12-28 05:52:02,722 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-28 05:52:02,723 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-28 05:52:02,723 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-28 05:52:02,723 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-28 05:52:02,727 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 71 places, 73 transitions [2019-12-28 05:52:02,803 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1622 states. [2019-12-28 05:52:02,803 INFO L276 IsEmpty]: Start isEmpty. Operand 1622 states. [2019-12-28 05:52:02,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-12-28 05:52:02,810 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 05:52:02,811 INFO L411 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] [2019-12-28 05:52:02,811 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 05:52:02,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 05:52:02,812 INFO L82 PathProgramCache]: Analyzing trace with hash -204838260, now seen corresponding path program 1 times [2019-12-28 05:52:02,813 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 05:52:02,813 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57327089] [2019-12-28 05:52:02,814 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 05:52:02,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 05:52:02,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 05:52:02,927 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57327089] [2019-12-28 05:52:02,928 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 05:52:02,928 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-28 05:52:02,928 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [860313693] [2019-12-28 05:52:02,929 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 05:52:02,937 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 05:52:02,956 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 30 states and 29 transitions. [2019-12-28 05:52:02,957 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 05:52:02,961 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 05:52:02,961 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-28 05:52:02,962 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 05:52:02,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-28 05:52:02,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-28 05:52:02,978 INFO L87 Difference]: Start difference. First operand 1622 states. Second operand 2 states. [2019-12-28 05:52:03,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 05:52:03,039 INFO L93 Difference]: Finished difference Result 1622 states and 3943 transitions. [2019-12-28 05:52:03,039 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-28 05:52:03,041 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 29 [2019-12-28 05:52:03,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 05:52:03,070 INFO L225 Difference]: With dead ends: 1622 [2019-12-28 05:52:03,070 INFO L226 Difference]: Without dead ends: 1326 [2019-12-28 05:52:03,072 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-28 05:52:03,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1326 states. [2019-12-28 05:52:03,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1326 to 1326. [2019-12-28 05:52:03,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1326 states. [2019-12-28 05:52:03,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1326 states to 1326 states and 3227 transitions. [2019-12-28 05:52:03,193 INFO L78 Accepts]: Start accepts. Automaton has 1326 states and 3227 transitions. Word has length 29 [2019-12-28 05:52:03,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 05:52:03,193 INFO L462 AbstractCegarLoop]: Abstraction has 1326 states and 3227 transitions. [2019-12-28 05:52:03,193 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-28 05:52:03,195 INFO L276 IsEmpty]: Start isEmpty. Operand 1326 states and 3227 transitions. [2019-12-28 05:52:03,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-12-28 05:52:03,197 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 05:52:03,197 INFO L411 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] [2019-12-28 05:52:03,198 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 05:52:03,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 05:52:03,198 INFO L82 PathProgramCache]: Analyzing trace with hash 514352365, now seen corresponding path program 1 times [2019-12-28 05:52:03,199 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 05:52:03,199 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442935076] [2019-12-28 05:52:03,200 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 05:52:03,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 05:52:03,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 05:52:03,352 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442935076] [2019-12-28 05:52:03,352 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 05:52:03,353 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-28 05:52:03,353 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [827124363] [2019-12-28 05:52:03,353 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 05:52:03,356 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 05:52:03,359 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 30 states and 29 transitions. [2019-12-28 05:52:03,359 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 05:52:03,359 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 05:52:03,361 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-28 05:52:03,361 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 05:52:03,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-28 05:52:03,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-28 05:52:03,362 INFO L87 Difference]: Start difference. First operand 1326 states and 3227 transitions. Second operand 4 states. [2019-12-28 05:52:03,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 05:52:03,482 INFO L93 Difference]: Finished difference Result 884 states and 1918 transitions. [2019-12-28 05:52:03,482 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-28 05:52:03,482 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 29 [2019-12-28 05:52:03,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 05:52:03,488 INFO L225 Difference]: With dead ends: 884 [2019-12-28 05:52:03,489 INFO L226 Difference]: Without dead ends: 884 [2019-12-28 05:52:03,490 INFO L631 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 [2019-12-28 05:52:03,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 884 states. [2019-12-28 05:52:03,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 884 to 804. [2019-12-28 05:52:03,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 804 states. [2019-12-28 05:52:03,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 804 states to 804 states and 1783 transitions. [2019-12-28 05:52:03,515 INFO L78 Accepts]: Start accepts. Automaton has 804 states and 1783 transitions. Word has length 29 [2019-12-28 05:52:03,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 05:52:03,516 INFO L462 AbstractCegarLoop]: Abstraction has 804 states and 1783 transitions. [2019-12-28 05:52:03,516 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-28 05:52:03,516 INFO L276 IsEmpty]: Start isEmpty. Operand 804 states and 1783 transitions. [2019-12-28 05:52:03,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-12-28 05:52:03,521 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 05:52:03,521 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-28 05:52:03,521 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 05:52:03,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 05:52:03,522 INFO L82 PathProgramCache]: Analyzing trace with hash -753033193, now seen corresponding path program 1 times [2019-12-28 05:52:03,522 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 05:52:03,522 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030722072] [2019-12-28 05:52:03,523 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 05:52:03,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-28 05:52:03,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-28 05:52:03,576 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-28 05:52:03,577 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-28 05:52:03,577 WARN L364 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2019-12-28 05:52:03,577 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2019-12-28 05:52:03,586 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:03,586 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:03,586 WARN L315 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:03,586 WARN L315 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:03,587 WARN L315 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:03,587 WARN L315 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:03,587 WARN L315 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:03,587 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:03,588 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:03,588 WARN L315 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:03,588 WARN L315 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:03,588 WARN L315 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:03,588 WARN L315 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:03,589 WARN L315 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:03,589 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:03,589 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:03,589 WARN L315 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:03,589 WARN L315 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:03,589 WARN L315 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:03,590 WARN L315 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:03,590 WARN L315 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:03,590 WARN L315 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:03,591 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:03,591 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:03,591 WARN L315 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:03,591 WARN L315 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:03,593 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:03,593 WARN L315 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:03,593 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:03,594 WARN L315 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:03,594 WARN L315 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:03,596 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:03,597 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:03,597 WARN L315 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:03,597 WARN L315 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:03,597 WARN L315 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:03,606 INFO L249 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2019-12-28 05:52:03,606 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-28 05:52:03,607 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-28 05:52:03,607 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-28 05:52:03,607 INFO L376 AbstractCegarLoop]: Backedges is MCR [2019-12-28 05:52:03,607 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-28 05:52:03,607 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-28 05:52:03,607 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-28 05:52:03,607 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-28 05:52:03,610 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 79 places, 80 transitions [2019-12-28 05:52:04,241 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 11042 states. [2019-12-28 05:52:04,241 INFO L276 IsEmpty]: Start isEmpty. Operand 11042 states. [2019-12-28 05:52:04,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-12-28 05:52:04,242 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 05:52:04,242 INFO L411 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] [2019-12-28 05:52:04,243 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 05:52:04,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 05:52:04,243 INFO L82 PathProgramCache]: Analyzing trace with hash -174661924, now seen corresponding path program 1 times [2019-12-28 05:52:04,243 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 05:52:04,244 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13693733] [2019-12-28 05:52:04,244 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 05:52:04,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 05:52:04,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 05:52:04,269 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [13693733] [2019-12-28 05:52:04,270 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 05:52:04,270 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-28 05:52:04,270 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [727466200] [2019-12-28 05:52:04,270 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 05:52:04,272 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 05:52:04,274 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 30 states and 29 transitions. [2019-12-28 05:52:04,275 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 05:52:04,275 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 05:52:04,275 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-28 05:52:04,275 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 05:52:04,276 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-28 05:52:04,276 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-28 05:52:04,276 INFO L87 Difference]: Start difference. First operand 11042 states. Second operand 2 states. [2019-12-28 05:52:04,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 05:52:04,397 INFO L93 Difference]: Finished difference Result 11042 states and 35032 transitions. [2019-12-28 05:52:04,397 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-28 05:52:04,397 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 29 [2019-12-28 05:52:04,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 05:52:04,478 INFO L225 Difference]: With dead ends: 11042 [2019-12-28 05:52:04,478 INFO L226 Difference]: Without dead ends: 8982 [2019-12-28 05:52:04,479 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-28 05:52:04,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8982 states. [2019-12-28 05:52:04,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8982 to 8982. [2019-12-28 05:52:04,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8982 states. [2019-12-28 05:52:04,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8982 states to 8982 states and 28562 transitions. [2019-12-28 05:52:04,901 INFO L78 Accepts]: Start accepts. Automaton has 8982 states and 28562 transitions. Word has length 29 [2019-12-28 05:52:04,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 05:52:04,902 INFO L462 AbstractCegarLoop]: Abstraction has 8982 states and 28562 transitions. [2019-12-28 05:52:04,902 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-28 05:52:04,902 INFO L276 IsEmpty]: Start isEmpty. Operand 8982 states and 28562 transitions. [2019-12-28 05:52:04,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-12-28 05:52:04,903 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 05:52:04,903 INFO L411 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] [2019-12-28 05:52:04,903 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 05:52:04,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 05:52:04,904 INFO L82 PathProgramCache]: Analyzing trace with hash 544528701, now seen corresponding path program 1 times [2019-12-28 05:52:04,904 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 05:52:04,905 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550559982] [2019-12-28 05:52:04,905 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 05:52:04,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 05:52:04,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 05:52:04,948 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550559982] [2019-12-28 05:52:04,948 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 05:52:04,948 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-28 05:52:04,949 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1408375958] [2019-12-28 05:52:04,949 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 05:52:04,951 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 05:52:04,953 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 30 states and 29 transitions. [2019-12-28 05:52:04,954 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 05:52:04,954 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 05:52:04,954 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-28 05:52:04,955 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 05:52:04,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-28 05:52:04,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-28 05:52:04,956 INFO L87 Difference]: Start difference. First operand 8982 states and 28562 transitions. Second operand 4 states. [2019-12-28 05:52:05,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 05:52:05,129 INFO L93 Difference]: Finished difference Result 6668 states and 19297 transitions. [2019-12-28 05:52:05,129 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-28 05:52:05,130 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 29 [2019-12-28 05:52:05,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 05:52:05,187 INFO L225 Difference]: With dead ends: 6668 [2019-12-28 05:52:05,187 INFO L226 Difference]: Without dead ends: 6668 [2019-12-28 05:52:05,187 INFO L631 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 [2019-12-28 05:52:05,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6668 states. [2019-12-28 05:52:05,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6668 to 5910. [2019-12-28 05:52:05,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5910 states. [2019-12-28 05:52:05,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5910 states to 5910 states and 17433 transitions. [2019-12-28 05:52:05,501 INFO L78 Accepts]: Start accepts. Automaton has 5910 states and 17433 transitions. Word has length 29 [2019-12-28 05:52:05,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 05:52:05,501 INFO L462 AbstractCegarLoop]: Abstraction has 5910 states and 17433 transitions. [2019-12-28 05:52:05,501 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-28 05:52:05,502 INFO L276 IsEmpty]: Start isEmpty. Operand 5910 states and 17433 transitions. [2019-12-28 05:52:05,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-12-28 05:52:05,504 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 05:52:05,505 INFO L411 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-28 05:52:05,505 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 05:52:05,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 05:52:05,505 INFO L82 PathProgramCache]: Analyzing trace with hash 400568101, now seen corresponding path program 1 times [2019-12-28 05:52:05,506 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 05:52:05,506 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170670529] [2019-12-28 05:52:05,506 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 05:52:05,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-28 05:52:05,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-28 05:52:05,603 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-28 05:52:05,603 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-28 05:52:05,604 WARN L364 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2019-12-28 05:52:05,604 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2019-12-28 05:52:05,620 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:05,621 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:05,621 WARN L315 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:05,621 WARN L315 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:05,621 WARN L315 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:05,621 WARN L315 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:05,621 WARN L315 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:05,622 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:05,622 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:05,622 WARN L315 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:05,622 WARN L315 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:05,622 WARN L315 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:05,623 WARN L315 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:05,623 WARN L315 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:05,623 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:05,623 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:05,623 WARN L315 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:05,624 WARN L315 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:05,624 WARN L315 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:05,624 WARN L315 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:05,624 WARN L315 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:05,624 WARN L315 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:05,625 WARN L315 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:05,625 WARN L315 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:05,625 WARN L315 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:05,625 WARN L315 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:05,626 WARN L315 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:05,626 WARN L315 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:05,626 WARN L315 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:05,626 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:05,627 WARN L315 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:05,627 WARN L315 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:05,627 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:05,629 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:05,630 WARN L315 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:05,630 WARN L315 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:05,630 WARN L315 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:05,630 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:05,633 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:05,633 WARN L315 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:05,634 WARN L315 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:05,634 WARN L315 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:05,634 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:05,640 WARN L315 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:05,641 WARN L315 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:05,641 WARN L315 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:05,641 WARN L315 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:05,641 WARN L315 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:05,652 INFO L249 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2019-12-28 05:52:05,652 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-28 05:52:05,652 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-28 05:52:05,653 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-28 05:52:05,653 INFO L376 AbstractCegarLoop]: Backedges is MCR [2019-12-28 05:52:05,653 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-28 05:52:05,653 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-28 05:52:05,653 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-28 05:52:05,653 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-28 05:52:05,657 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 87 places, 87 transitions [2019-12-28 05:52:14,877 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 75794 states. [2019-12-28 05:52:14,878 INFO L276 IsEmpty]: Start isEmpty. Operand 75794 states. [2019-12-28 05:52:14,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-12-28 05:52:14,878 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 05:52:14,879 INFO L411 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] [2019-12-28 05:52:14,879 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 05:52:14,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 05:52:14,879 INFO L82 PathProgramCache]: Analyzing trace with hash 287651571, now seen corresponding path program 1 times [2019-12-28 05:52:14,879 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 05:52:14,880 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898285439] [2019-12-28 05:52:14,880 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 05:52:14,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 05:52:14,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 05:52:14,898 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898285439] [2019-12-28 05:52:14,899 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 05:52:14,899 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-28 05:52:14,899 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1896153676] [2019-12-28 05:52:14,899 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 05:52:14,902 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 05:52:14,904 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 30 states and 29 transitions. [2019-12-28 05:52:14,905 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 05:52:14,905 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 05:52:14,905 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-28 05:52:14,905 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 05:52:14,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-28 05:52:14,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-28 05:52:14,906 INFO L87 Difference]: Start difference. First operand 75794 states. Second operand 2 states. [2019-12-28 05:52:15,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 05:52:15,493 INFO L93 Difference]: Finished difference Result 75794 states and 295945 transitions. [2019-12-28 05:52:15,493 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-28 05:52:15,493 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 29 [2019-12-28 05:52:15,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 05:52:15,840 INFO L225 Difference]: With dead ends: 75794 [2019-12-28 05:52:15,841 INFO L226 Difference]: Without dead ends: 61386 [2019-12-28 05:52:15,841 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-28 05:52:18,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61386 states. [2019-12-28 05:52:20,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61386 to 61386. [2019-12-28 05:52:20,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61386 states. [2019-12-28 05:52:20,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61386 states to 61386 states and 240377 transitions. [2019-12-28 05:52:20,240 INFO L78 Accepts]: Start accepts. Automaton has 61386 states and 240377 transitions. Word has length 29 [2019-12-28 05:52:20,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 05:52:20,241 INFO L462 AbstractCegarLoop]: Abstraction has 61386 states and 240377 transitions. [2019-12-28 05:52:20,241 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-28 05:52:20,241 INFO L276 IsEmpty]: Start isEmpty. Operand 61386 states and 240377 transitions. [2019-12-28 05:52:20,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-12-28 05:52:20,242 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 05:52:20,242 INFO L411 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] [2019-12-28 05:52:20,242 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 05:52:20,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 05:52:20,243 INFO L82 PathProgramCache]: Analyzing trace with hash 1006842196, now seen corresponding path program 1 times [2019-12-28 05:52:20,243 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 05:52:20,243 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741266530] [2019-12-28 05:52:20,244 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 05:52:20,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 05:52:20,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 05:52:20,302 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1741266530] [2019-12-28 05:52:20,302 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 05:52:20,302 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-28 05:52:20,303 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [420330255] [2019-12-28 05:52:20,303 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 05:52:20,305 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 05:52:20,307 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 30 states and 29 transitions. [2019-12-28 05:52:20,307 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 05:52:20,308 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 05:52:20,308 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-28 05:52:20,308 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 05:52:20,309 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-28 05:52:20,309 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-28 05:52:20,309 INFO L87 Difference]: Start difference. First operand 61386 states and 240377 transitions. Second operand 4 states. [2019-12-28 05:52:20,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 05:52:20,643 INFO L93 Difference]: Finished difference Result 49712 states and 180094 transitions. [2019-12-28 05:52:20,643 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-28 05:52:20,644 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 29 [2019-12-28 05:52:20,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 05:52:20,796 INFO L225 Difference]: With dead ends: 49712 [2019-12-28 05:52:20,796 INFO L226 Difference]: Without dead ends: 49712 [2019-12-28 05:52:20,796 INFO L631 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 [2019-12-28 05:52:23,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49712 states. [2019-12-28 05:52:24,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49712 to 43308. [2019-12-28 05:52:24,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43308 states. [2019-12-28 05:52:24,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43308 states to 43308 states and 159347 transitions. [2019-12-28 05:52:24,643 INFO L78 Accepts]: Start accepts. Automaton has 43308 states and 159347 transitions. Word has length 29 [2019-12-28 05:52:24,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 05:52:24,644 INFO L462 AbstractCegarLoop]: Abstraction has 43308 states and 159347 transitions. [2019-12-28 05:52:24,644 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-28 05:52:24,644 INFO L276 IsEmpty]: Start isEmpty. Operand 43308 states and 159347 transitions. [2019-12-28 05:52:24,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-12-28 05:52:24,655 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 05:52:24,656 INFO L411 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-28 05:52:24,656 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 05:52:24,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 05:52:24,656 INFO L82 PathProgramCache]: Analyzing trace with hash -551869593, now seen corresponding path program 1 times [2019-12-28 05:52:24,657 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 05:52:24,657 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37907417] [2019-12-28 05:52:24,657 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 05:52:24,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-28 05:52:24,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-28 05:52:24,701 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-28 05:52:24,701 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-28 05:52:24,701 WARN L364 ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis [2019-12-28 05:52:24,702 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances. [2019-12-28 05:52:24,711 WARN L315 ript$VariableManager]: TermVariabe |thrThread4of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:24,712 WARN L315 ript$VariableManager]: TermVariabe |thrThread4of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:24,712 WARN L315 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:24,712 WARN L315 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:24,712 WARN L315 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:24,712 WARN L315 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:24,713 WARN L315 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:24,713 WARN L315 ript$VariableManager]: TermVariabe |thrThread5of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:24,713 WARN L315 ript$VariableManager]: TermVariabe |thrThread5of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:24,713 WARN L315 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:24,713 WARN L315 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:24,713 WARN L315 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:24,715 WARN L315 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:24,715 WARN L315 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:24,715 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:24,716 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:24,716 WARN L315 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:24,716 WARN L315 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:24,716 WARN L315 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:24,716 WARN L315 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:24,716 WARN L315 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:24,717 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:24,717 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:24,717 WARN L315 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:24,717 WARN L315 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:24,717 WARN L315 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:24,717 WARN L315 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:24,718 WARN L315 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:24,720 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:24,720 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:24,720 WARN L315 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:24,721 WARN L315 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:24,721 WARN L315 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:24,721 WARN L315 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:24,721 WARN L315 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:24,722 WARN L315 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:24,722 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:24,722 WARN L315 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:24,722 WARN L315 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:24,722 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:24,724 WARN L315 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:24,724 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:24,725 WARN L315 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:24,725 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:24,725 WARN L315 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:24,727 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:24,727 WARN L315 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:24,727 WARN L315 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:24,728 WARN L315 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:24,728 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:24,730 WARN L315 ript$VariableManager]: TermVariabe |thrThread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:24,730 WARN L315 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:24,731 WARN L315 ript$VariableManager]: TermVariabe |thrThread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:24,732 WARN L315 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:24,732 WARN L315 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:24,734 WARN L315 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:24,734 WARN L315 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:24,734 WARN L315 ript$VariableManager]: TermVariabe |thrThread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:24,735 WARN L315 ript$VariableManager]: TermVariabe |thrThread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:24,735 WARN L315 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:52:24,741 INFO L249 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2019-12-28 05:52:24,742 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-28 05:52:24,742 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-28 05:52:24,742 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-28 05:52:24,743 INFO L376 AbstractCegarLoop]: Backedges is MCR [2019-12-28 05:52:24,743 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-28 05:52:24,743 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-28 05:52:24,743 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-28 05:52:24,743 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-28 05:52:24,746 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 95 places, 94 transitions Received shutdown request... [2019-12-28 05:56:20,669 WARN L527 AbstractCegarLoop]: Verification canceled [2019-12-28 05:56:20,673 WARN L227 ceAbstractionStarter]: Timeout [2019-12-28 05:56:20,673 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.12 05:56:20 BasicIcfg [2019-12-28 05:56:20,673 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-28 05:56:20,676 INFO L168 Benchmark]: Toolchain (without parser) took 259624.55 ms. Allocated memory was 138.4 MB in the beginning and 3.2 GB in the end (delta: 3.1 GB). Free memory was 102.0 MB in the beginning and 1.5 GB in the end (delta: -1.4 GB). Peak memory consumption was 3.0 GB. Max. memory is 7.1 GB. [2019-12-28 05:56:20,676 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 138.4 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-12-28 05:56:20,677 INFO L168 Benchmark]: CACSL2BoogieTranslator took 691.62 ms. Allocated memory was 138.4 MB in the beginning and 203.4 MB in the end (delta: 65.0 MB). Free memory was 101.5 MB in the beginning and 162.6 MB in the end (delta: -61.1 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. [2019-12-28 05:56:20,678 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.71 ms. Allocated memory is still 203.4 MB. Free memory was 162.6 MB in the beginning and 159.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2019-12-28 05:56:20,679 INFO L168 Benchmark]: Boogie Preprocessor took 40.88 ms. Allocated memory is still 203.4 MB. Free memory was 159.9 MB in the beginning and 158.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-12-28 05:56:20,680 INFO L168 Benchmark]: RCFGBuilder took 437.87 ms. Allocated memory is still 203.4 MB. Free memory was 158.6 MB in the beginning and 137.3 MB in the end (delta: 21.3 MB). Peak memory consumption was 21.3 MB. Max. memory is 7.1 GB. [2019-12-28 05:56:20,680 INFO L168 Benchmark]: TraceAbstraction took 258390.15 ms. Allocated memory was 203.4 MB in the beginning and 3.2 GB in the end (delta: 3.0 GB). Free memory was 136.7 MB in the beginning and 1.5 GB in the end (delta: -1.4 GB). Peak memory consumption was 3.0 GB. Max. memory is 7.1 GB. [2019-12-28 05:56:20,685 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 138.4 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 691.62 ms. Allocated memory was 138.4 MB in the beginning and 203.4 MB in the end (delta: 65.0 MB). Free memory was 101.5 MB in the beginning and 162.6 MB in the end (delta: -61.1 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 58.71 ms. Allocated memory is still 203.4 MB. Free memory was 162.6 MB in the beginning and 159.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 40.88 ms. Allocated memory is still 203.4 MB. Free memory was 159.9 MB in the beginning and 158.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 437.87 ms. Allocated memory is still 203.4 MB. Free memory was 158.6 MB in the beginning and 137.3 MB in the end (delta: 21.3 MB). Peak memory consumption was 21.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 258390.15 ms. Allocated memory was 203.4 MB in the beginning and 3.2 GB in the end (delta: 3.0 GB). Free memory was 136.7 MB in the beginning and 1.5 GB in the end (delta: -1.4 GB). Peak memory consumption was 3.0 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 675]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 675). Cancelled while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 95 places, 94 transitions. Already constructed 390590 states. Currently 16302 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 60 locations, 1 error locations. Result: TIMEOUT, OverallTime: 235.9s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown