/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.epf -i ../../../trunk/examples/svcomp/pthread-lit/fkp2013_variant-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-fae578e [2019-12-19 05:37:41,507 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-19 05:37:41,511 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-19 05:37:41,524 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-19 05:37:41,524 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-19 05:37:41,525 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-19 05:37:41,527 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-19 05:37:41,529 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-19 05:37:41,532 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-19 05:37:41,533 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-19 05:37:41,536 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-19 05:37:41,538 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-19 05:37:41,539 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-19 05:37:41,540 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-19 05:37:41,541 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-19 05:37:41,548 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-19 05:37:41,548 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-19 05:37:41,549 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-19 05:37:41,554 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-19 05:37:41,559 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-19 05:37:41,563 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-19 05:37:41,566 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-19 05:37:41,567 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-19 05:37:41,572 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-19 05:37:41,577 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-12-19 05:37:41,582 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-19 05:37:41,583 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-19 05:37:41,584 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-19 05:37:41,584 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-19 05:37:41,585 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-19 05:37:41,586 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-19 05:37:41,586 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-19 05:37:41,586 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-19 05:37:41,587 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-19 05:37:41,587 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-19 05:37:41,588 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-19 05:37:41,589 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.epf [2019-12-19 05:37:41,603 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-19 05:37:41,603 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-19 05:37:41,604 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-19 05:37:41,605 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-19 05:37:41,605 INFO L138 SettingsManager]: * Use SBE=true [2019-12-19 05:37:41,605 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-19 05:37:41,605 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-19 05:37:41,606 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-19 05:37:41,606 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-19 05:37:41,606 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-19 05:37:41,606 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-19 05:37:41,606 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-19 05:37:41,606 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-19 05:37:41,607 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-19 05:37:41,607 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-19 05:37:41,607 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-19 05:37:41,607 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-19 05:37:41,607 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-19 05:37:41,608 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-19 05:37:41,608 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-19 05:37:41,608 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-19 05:37:41,608 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-19 05:37:41,608 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-19 05:37:41,609 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-19 05:37:41,609 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-19 05:37:41,609 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-19 05:37:41,609 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-19 05:37:41,609 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2019-12-19 05:37:41,610 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-19 05:37:41,610 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-19 05:37:41,939 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-19 05:37:41,958 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-19 05:37:41,963 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-19 05:37:41,964 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-19 05:37:41,965 INFO L275 PluginConnector]: CDTParser initialized [2019-12-19 05:37:41,966 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-lit/fkp2013_variant-1.i [2019-12-19 05:37:42,029 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f0ed0af9/72824ffc418441f8b5c081fdd7aa131a/FLAG00de023f5 [2019-12-19 05:37:42,560 INFO L306 CDTParser]: Found 1 translation units. [2019-12-19 05:37:42,560 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-lit/fkp2013_variant-1.i [2019-12-19 05:37:42,586 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f0ed0af9/72824ffc418441f8b5c081fdd7aa131a/FLAG00de023f5 [2019-12-19 05:37:42,882 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f0ed0af9/72824ffc418441f8b5c081fdd7aa131a [2019-12-19 05:37:42,892 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-19 05:37:42,895 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-19 05:37:42,897 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-19 05:37:42,897 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-19 05:37:42,901 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-19 05:37:42,902 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 05:37:42" (1/1) ... [2019-12-19 05:37:42,905 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25a1738d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:37:42, skipping insertion in model container [2019-12-19 05:37:42,905 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 05:37:42" (1/1) ... [2019-12-19 05:37:42,914 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-19 05:37:42,960 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-19 05:37:43,419 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-19 05:37:43,430 INFO L203 MainTranslator]: Completed pre-run [2019-12-19 05:37:43,478 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-19 05:37:43,567 INFO L208 MainTranslator]: Completed translation [2019-12-19 05:37:43,567 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:37:43 WrapperNode [2019-12-19 05:37:43,567 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-19 05:37:43,568 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-19 05:37:43,569 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-19 05:37:43,569 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-19 05:37:43,578 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:37:43" (1/1) ... [2019-12-19 05:37:43,609 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:37:43" (1/1) ... [2019-12-19 05:37:43,635 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-19 05:37:43,635 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-19 05:37:43,635 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-19 05:37:43,635 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-19 05:37:43,643 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:37:43" (1/1) ... [2019-12-19 05:37:43,643 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:37:43" (1/1) ... [2019-12-19 05:37:43,646 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:37:43" (1/1) ... [2019-12-19 05:37:43,646 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:37:43" (1/1) ... [2019-12-19 05:37:43,659 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:37:43" (1/1) ... [2019-12-19 05:37:43,665 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:37:43" (1/1) ... [2019-12-19 05:37:43,667 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:37:43" (1/1) ... [2019-12-19 05:37:43,669 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-19 05:37:43,670 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-19 05:37:43,670 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-19 05:37:43,670 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-19 05:37:43,671 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:37:43" (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 [2019-12-19 05:37:43,732 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2019-12-19 05:37:43,733 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2019-12-19 05:37:43,733 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2019-12-19 05:37:43,733 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2019-12-19 05:37:43,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-19 05:37:43,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-19 05:37:43,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-19 05:37:43,734 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-19 05:37:43,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-19 05:37:43,735 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-19 05:37:44,077 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-19 05:37:44,077 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-12-19 05:37:44,079 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 05:37:44 BoogieIcfgContainer [2019-12-19 05:37:44,079 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-19 05:37:44,080 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-19 05:37:44,080 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-19 05:37:44,083 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-19 05:37:44,084 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.12 05:37:42" (1/3) ... [2019-12-19 05:37:44,085 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78a7ceff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 05:37:44, skipping insertion in model container [2019-12-19 05:37:44,085 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:37:43" (2/3) ... [2019-12-19 05:37:44,085 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78a7ceff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 05:37:44, skipping insertion in model container [2019-12-19 05:37:44,085 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 05:37:44" (3/3) ... [2019-12-19 05:37:44,087 INFO L109 eAbstractionObserver]: Analyzing ICFG fkp2013_variant-1.i [2019-12-19 05:37:44,097 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-19 05:37:44,097 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-19 05:37:44,104 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-19 05:37:44,106 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-19 05:37:44,133 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:44,133 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:44,134 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:44,134 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:44,134 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:44,135 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:44,135 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:44,135 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:44,135 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:44,136 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:44,136 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:44,137 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:44,137 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:44,137 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:44,138 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:44,138 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:44,138 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:44,138 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:44,139 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:44,139 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:44,139 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:44,144 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:44,144 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:44,144 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:44,145 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:44,145 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:44,151 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:44,151 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:44,151 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:44,152 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:44,152 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:44,152 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:44,168 INFO L249 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-12-19 05:37:44,188 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-19 05:37:44,188 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-19 05:37:44,189 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-19 05:37:44,189 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-19 05:37:44,189 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-19 05:37:44,189 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-19 05:37:44,189 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-19 05:37:44,190 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-19 05:37:44,201 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 60 places, 56 transitions [2019-12-19 05:37:44,281 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1270 states. [2019-12-19 05:37:44,283 INFO L276 IsEmpty]: Start isEmpty. Operand 1270 states. [2019-12-19 05:37:44,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-19 05:37:44,292 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 05:37:44,294 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] [2019-12-19 05:37:44,294 INFO L410 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-19 05:37:44,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 05:37:44,301 INFO L82 PathProgramCache]: Analyzing trace with hash -215208478, now seen corresponding path program 1 times [2019-12-19 05:37:44,311 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 05:37:44,311 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165733122] [2019-12-19 05:37:44,312 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 05:37:44,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 05:37:44,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-19 05:37:44,610 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165733122] [2019-12-19 05:37:44,611 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-19 05:37:44,612 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-19 05:37:44,613 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250425131] [2019-12-19 05:37:44,618 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-19 05:37:44,618 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 05:37:44,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-19 05:37:44,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-12-19 05:37:44,637 INFO L87 Difference]: Start difference. First operand 1270 states. Second operand 6 states. [2019-12-19 05:37:44,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 05:37:44,879 INFO L93 Difference]: Finished difference Result 1404 states and 3559 transitions. [2019-12-19 05:37:44,879 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-19 05:37:44,881 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2019-12-19 05:37:44,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 05:37:44,920 INFO L225 Difference]: With dead ends: 1404 [2019-12-19 05:37:44,921 INFO L226 Difference]: Without dead ends: 932 [2019-12-19 05:37:44,924 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-12-19 05:37:44,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 932 states. [2019-12-19 05:37:45,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 932 to 860. [2019-12-19 05:37:45,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 860 states. [2019-12-19 05:37:45,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 860 states to 860 states and 2152 transitions. [2019-12-19 05:37:45,060 INFO L78 Accepts]: Start accepts. Automaton has 860 states and 2152 transitions. Word has length 26 [2019-12-19 05:37:45,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 05:37:45,061 INFO L462 AbstractCegarLoop]: Abstraction has 860 states and 2152 transitions. [2019-12-19 05:37:45,061 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-19 05:37:45,061 INFO L276 IsEmpty]: Start isEmpty. Operand 860 states and 2152 transitions. [2019-12-19 05:37:45,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-12-19 05:37:45,066 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 05:37:45,067 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, 1, 1, 1, 1] [2019-12-19 05:37:45,068 INFO L410 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-19 05:37:45,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 05:37:45,068 INFO L82 PathProgramCache]: Analyzing trace with hash -1343742441, now seen corresponding path program 1 times [2019-12-19 05:37:45,068 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 05:37:45,069 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275608442] [2019-12-19 05:37:45,070 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 05:37:45,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-19 05:37:45,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-19 05:37:45,212 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-19 05:37:45,212 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-19 05:37:45,214 WARN L364 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2019-12-19 05:37:45,214 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2019-12-19 05:37:45,227 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:45,227 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:45,228 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:45,228 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:45,228 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:45,228 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:45,228 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:45,229 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:45,229 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:45,229 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:45,229 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:45,230 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:45,230 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:45,230 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:45,230 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:45,230 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:45,231 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:45,231 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:45,231 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:45,231 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:45,232 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:45,232 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:45,232 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:45,232 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:45,232 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:45,233 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:45,233 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:45,233 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:45,233 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:45,233 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:45,234 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:45,234 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:45,234 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:45,234 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:45,234 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:45,235 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:45,235 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:45,235 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:45,235 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:45,235 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:45,236 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:45,236 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:45,236 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:45,237 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:45,237 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:45,237 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:45,237 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:45,239 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:45,239 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:45,239 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:45,240 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:45,240 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:45,242 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:45,242 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:45,243 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:45,243 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:45,243 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:45,243 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:45,245 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:45,246 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:45,246 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:45,246 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:45,246 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:45,246 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:45,249 INFO L249 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2019-12-19 05:37:45,249 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-19 05:37:45,250 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-19 05:37:45,250 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-19 05:37:45,250 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-19 05:37:45,250 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-19 05:37:45,250 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-19 05:37:45,250 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-19 05:37:45,250 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-19 05:37:45,253 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 81 places, 74 transitions [2019-12-19 05:37:45,799 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 9040 states. [2019-12-19 05:37:45,800 INFO L276 IsEmpty]: Start isEmpty. Operand 9040 states. [2019-12-19 05:37:45,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-19 05:37:45,801 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 05:37:45,801 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] [2019-12-19 05:37:45,802 INFO L410 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-19 05:37:45,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 05:37:45,802 INFO L82 PathProgramCache]: Analyzing trace with hash -1762351181, now seen corresponding path program 1 times [2019-12-19 05:37:45,802 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 05:37:45,803 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299544627] [2019-12-19 05:37:45,803 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 05:37:45,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 05:37:45,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-19 05:37:45,927 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299544627] [2019-12-19 05:37:45,927 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-19 05:37:45,927 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-19 05:37:45,927 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916211541] [2019-12-19 05:37:45,928 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-19 05:37:45,928 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 05:37:45,928 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-19 05:37:45,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-12-19 05:37:45,929 INFO L87 Difference]: Start difference. First operand 9040 states. Second operand 6 states. [2019-12-19 05:37:46,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 05:37:46,207 INFO L93 Difference]: Finished difference Result 11820 states and 39857 transitions. [2019-12-19 05:37:46,207 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-19 05:37:46,207 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2019-12-19 05:37:46,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 05:37:46,289 INFO L225 Difference]: With dead ends: 11820 [2019-12-19 05:37:46,289 INFO L226 Difference]: Without dead ends: 8204 [2019-12-19 05:37:46,290 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-12-19 05:37:46,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8204 states. [2019-12-19 05:37:46,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8204 to 7349. [2019-12-19 05:37:46,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7349 states. [2019-12-19 05:37:46,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7349 states to 7349 states and 24689 transitions. [2019-12-19 05:37:46,642 INFO L78 Accepts]: Start accepts. Automaton has 7349 states and 24689 transitions. Word has length 26 [2019-12-19 05:37:46,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 05:37:46,643 INFO L462 AbstractCegarLoop]: Abstraction has 7349 states and 24689 transitions. [2019-12-19 05:37:46,643 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-19 05:37:46,643 INFO L276 IsEmpty]: Start isEmpty. Operand 7349 states and 24689 transitions. [2019-12-19 05:37:46,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-12-19 05:37:46,646 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 05:37:46,647 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, 1, 1, 1, 1, 1, 1] [2019-12-19 05:37:46,647 INFO L410 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-19 05:37:46,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 05:37:46,647 INFO L82 PathProgramCache]: Analyzing trace with hash -787891314, now seen corresponding path program 1 times [2019-12-19 05:37:46,648 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 05:37:46,648 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161267514] [2019-12-19 05:37:46,648 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 05:37:46,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 05:37:46,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-19 05:37:46,792 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [161267514] [2019-12-19 05:37:46,792 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-19 05:37:46,793 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-12-19 05:37:46,793 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759398340] [2019-12-19 05:37:46,794 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-19 05:37:46,794 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 05:37:46,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-19 05:37:46,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-12-19 05:37:46,796 INFO L87 Difference]: Start difference. First operand 7349 states and 24689 transitions. Second operand 8 states. [2019-12-19 05:37:47,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 05:37:47,440 INFO L93 Difference]: Finished difference Result 12107 states and 39516 transitions. [2019-12-19 05:37:47,441 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-12-19 05:37:47,441 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 35 [2019-12-19 05:37:47,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 05:37:47,534 INFO L225 Difference]: With dead ends: 12107 [2019-12-19 05:37:47,534 INFO L226 Difference]: Without dead ends: 11059 [2019-12-19 05:37:47,538 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=130, Invalid=332, Unknown=0, NotChecked=0, Total=462 [2019-12-19 05:37:47,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11059 states. [2019-12-19 05:37:47,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11059 to 6292. [2019-12-19 05:37:47,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6292 states. [2019-12-19 05:37:47,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6292 states to 6292 states and 21125 transitions. [2019-12-19 05:37:47,811 INFO L78 Accepts]: Start accepts. Automaton has 6292 states and 21125 transitions. Word has length 35 [2019-12-19 05:37:47,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 05:37:47,812 INFO L462 AbstractCegarLoop]: Abstraction has 6292 states and 21125 transitions. [2019-12-19 05:37:47,812 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-19 05:37:47,812 INFO L276 IsEmpty]: Start isEmpty. Operand 6292 states and 21125 transitions. [2019-12-19 05:37:47,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-12-19 05:37:47,818 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 05:37:47,819 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, 1, 1, 1, 1] [2019-12-19 05:37:47,819 INFO L410 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-19 05:37:47,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 05:37:47,819 INFO L82 PathProgramCache]: Analyzing trace with hash 389506202, now seen corresponding path program 1 times [2019-12-19 05:37:47,820 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 05:37:47,820 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678397770] [2019-12-19 05:37:47,820 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 05:37:47,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-19 05:37:47,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-19 05:37:47,911 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-19 05:37:47,912 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-19 05:37:47,912 WARN L364 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2019-12-19 05:37:47,912 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2019-12-19 05:37:47,931 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:47,932 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:47,932 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:47,932 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:47,933 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:47,933 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:47,933 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:47,933 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:47,934 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:47,934 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:47,934 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:47,935 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:47,935 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:47,935 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:47,935 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:47,935 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:47,935 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:47,936 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:47,936 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:47,936 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:47,936 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:47,936 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:47,936 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:47,936 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:47,937 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:47,937 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:47,937 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:47,937 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:47,937 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:47,937 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:47,938 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:47,938 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:47,938 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:47,938 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:47,938 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:47,938 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:47,939 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:47,939 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:47,939 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:47,940 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:47,940 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:47,940 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:47,940 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:47,941 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:47,941 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:47,941 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:47,941 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:47,941 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:47,941 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:47,942 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:47,942 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:47,942 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:47,942 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:47,943 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:47,943 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:47,943 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:47,943 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:47,943 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:47,943 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:47,944 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:47,944 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:47,944 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:47,944 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:47,945 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:47,945 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:47,945 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:47,945 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:47,945 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:47,947 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:47,947 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:47,948 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:47,948 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:47,948 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:47,950 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:47,950 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:47,950 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:47,950 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:47,950 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:47,952 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:47,953 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:47,953 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:47,953 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:47,953 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:47,953 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:47,955 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:47,955 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:47,955 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:47,956 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:47,956 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:47,956 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:47,958 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:47,958 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:47,958 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:47,958 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:47,958 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:47,958 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:37:47,960 INFO L249 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2019-12-19 05:37:47,961 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-19 05:37:47,961 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-19 05:37:47,961 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-19 05:37:47,961 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-19 05:37:47,961 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-19 05:37:47,961 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-19 05:37:47,962 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-19 05:37:47,962 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-19 05:37:47,964 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 102 places, 92 transitions [2019-12-19 05:37:57,035 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 63430 states. [2019-12-19 05:37:57,036 INFO L276 IsEmpty]: Start isEmpty. Operand 63430 states. [2019-12-19 05:37:57,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-19 05:37:57,036 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 05:37:57,036 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] [2019-12-19 05:37:57,036 INFO L410 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-19 05:37:57,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 05:37:57,037 INFO L82 PathProgramCache]: Analyzing trace with hash -718703996, now seen corresponding path program 1 times [2019-12-19 05:37:57,037 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 05:37:57,037 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107060863] [2019-12-19 05:37:57,038 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 05:37:57,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 05:37:57,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-19 05:37:57,099 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107060863] [2019-12-19 05:37:57,099 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-19 05:37:57,099 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-19 05:37:57,100 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795300269] [2019-12-19 05:37:57,100 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-19 05:37:57,101 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 05:37:57,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-19 05:37:57,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-12-19 05:37:57,101 INFO L87 Difference]: Start difference. First operand 63430 states. Second operand 6 states. [2019-12-19 05:37:58,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 05:37:58,435 INFO L93 Difference]: Finished difference Result 90780 states and 383715 transitions. [2019-12-19 05:37:58,436 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-19 05:37:58,436 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2019-12-19 05:37:58,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 05:37:58,804 INFO L225 Difference]: With dead ends: 90780 [2019-12-19 05:37:58,804 INFO L226 Difference]: Without dead ends: 64004 [2019-12-19 05:37:58,804 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-12-19 05:38:01,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64004 states. [2019-12-19 05:38:03,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64004 to 56552. [2019-12-19 05:38:03,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56552 states. [2019-12-19 05:38:03,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56552 states to 56552 states and 238902 transitions. [2019-12-19 05:38:03,239 INFO L78 Accepts]: Start accepts. Automaton has 56552 states and 238902 transitions. Word has length 26 [2019-12-19 05:38:03,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 05:38:03,239 INFO L462 AbstractCegarLoop]: Abstraction has 56552 states and 238902 transitions. [2019-12-19 05:38:03,239 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-19 05:38:03,240 INFO L276 IsEmpty]: Start isEmpty. Operand 56552 states and 238902 transitions. [2019-12-19 05:38:03,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-12-19 05:38:03,241 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 05:38:03,241 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, 1, 1, 1, 1, 1, 1] [2019-12-19 05:38:03,242 INFO L410 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-19 05:38:03,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 05:38:03,242 INFO L82 PathProgramCache]: Analyzing trace with hash -2082896003, now seen corresponding path program 1 times [2019-12-19 05:38:03,242 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 05:38:03,243 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348345231] [2019-12-19 05:38:03,243 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 05:38:03,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 05:38:03,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-19 05:38:03,325 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348345231] [2019-12-19 05:38:03,325 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-19 05:38:03,325 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-12-19 05:38:03,325 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143868480] [2019-12-19 05:38:03,326 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-19 05:38:03,326 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 05:38:03,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-19 05:38:03,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-12-19 05:38:03,327 INFO L87 Difference]: Start difference. First operand 56552 states and 238902 transitions. Second operand 8 states. [2019-12-19 05:38:06,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 05:38:06,532 INFO L93 Difference]: Finished difference Result 116897 states and 478980 transitions. [2019-12-19 05:38:06,533 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-12-19 05:38:06,533 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 35 [2019-12-19 05:38:06,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 05:38:07,078 INFO L225 Difference]: With dead ends: 116897 [2019-12-19 05:38:07,078 INFO L226 Difference]: Without dead ends: 109513 [2019-12-19 05:38:07,078 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=130, Invalid=332, Unknown=0, NotChecked=0, Total=462 [2019-12-19 05:38:07,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109513 states. [2019-12-19 05:38:12,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109513 to 55483. [2019-12-19 05:38:12,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55483 states. [2019-12-19 05:38:12,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55483 states to 55483 states and 233320 transitions. [2019-12-19 05:38:12,278 INFO L78 Accepts]: Start accepts. Automaton has 55483 states and 233320 transitions. Word has length 35 [2019-12-19 05:38:12,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 05:38:12,279 INFO L462 AbstractCegarLoop]: Abstraction has 55483 states and 233320 transitions. [2019-12-19 05:38:12,279 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-19 05:38:12,279 INFO L276 IsEmpty]: Start isEmpty. Operand 55483 states and 233320 transitions. [2019-12-19 05:38:12,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-12-19 05:38:12,285 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 05:38:12,285 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-19 05:38:12,285 INFO L410 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-19 05:38:12,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 05:38:12,286 INFO L82 PathProgramCache]: Analyzing trace with hash -1870840351, now seen corresponding path program 1 times [2019-12-19 05:38:12,286 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 05:38:12,286 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909682529] [2019-12-19 05:38:12,286 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 05:38:12,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 05:38:12,436 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-19 05:38:12,437 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909682529] [2019-12-19 05:38:12,437 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1285593555] [2019-12-19 05:38:12,437 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-19 05:38:12,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 05:38:12,522 INFO L264 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2019-12-19 05:38:12,525 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-19 05:38:12,727 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-19 05:38:12,765 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-19 05:38:12,766 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-19 05:38:12,766 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 12] total 21 [2019-12-19 05:38:12,767 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471992403] [2019-12-19 05:38:12,767 INFO L442 AbstractCegarLoop]: Interpolant automaton has 21 states [2019-12-19 05:38:12,767 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 05:38:12,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2019-12-19 05:38:12,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=348, Unknown=0, NotChecked=0, Total=420 [2019-12-19 05:38:12,768 INFO L87 Difference]: Start difference. First operand 55483 states and 233320 transitions. Second operand 21 states. [2019-12-19 05:38:15,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 05:38:15,534 INFO L93 Difference]: Finished difference Result 120634 states and 492535 transitions. [2019-12-19 05:38:15,534 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2019-12-19 05:38:15,534 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 42 [2019-12-19 05:38:15,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 05:38:16,002 INFO L225 Difference]: With dead ends: 120634 [2019-12-19 05:38:16,002 INFO L226 Difference]: Without dead ends: 113034 [2019-12-19 05:38:16,004 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 688 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=663, Invalid=2417, Unknown=0, NotChecked=0, Total=3080 [2019-12-19 05:38:19,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113034 states. [2019-12-19 05:38:21,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113034 to 53313. [2019-12-19 05:38:21,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53313 states. [2019-12-19 05:38:21,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53313 states to 53313 states and 222898 transitions. [2019-12-19 05:38:21,750 INFO L78 Accepts]: Start accepts. Automaton has 53313 states and 222898 transitions. Word has length 42 [2019-12-19 05:38:21,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 05:38:21,751 INFO L462 AbstractCegarLoop]: Abstraction has 53313 states and 222898 transitions. [2019-12-19 05:38:21,751 INFO L463 AbstractCegarLoop]: Interpolant automaton has 21 states. [2019-12-19 05:38:21,751 INFO L276 IsEmpty]: Start isEmpty. Operand 53313 states and 222898 transitions. [2019-12-19 05:38:21,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-12-19 05:38:21,767 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 05:38:21,767 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-19 05:38:21,970 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-19 05:38:21,971 INFO L410 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-19 05:38:21,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 05:38:21,971 INFO L82 PathProgramCache]: Analyzing trace with hash 811563231, now seen corresponding path program 1 times [2019-12-19 05:38:21,972 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 05:38:21,972 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865049277] [2019-12-19 05:38:21,973 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 05:38:22,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 05:38:22,161 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-19 05:38:22,162 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865049277] [2019-12-19 05:38:22,162 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [734601590] [2019-12-19 05:38:22,162 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-19 05:38:22,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 05:38:22,246 INFO L264 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 16 conjunts are in the unsatisfiable core [2019-12-19 05:38:22,257 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-19 05:38:22,498 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-19 05:38:22,543 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-19 05:38:22,543 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-19 05:38:22,543 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 14] total 25 [2019-12-19 05:38:22,544 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096728343] [2019-12-19 05:38:22,545 INFO L442 AbstractCegarLoop]: Interpolant automaton has 25 states [2019-12-19 05:38:22,546 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 05:38:22,546 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2019-12-19 05:38:22,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=526, Unknown=0, NotChecked=0, Total=600 [2019-12-19 05:38:22,547 INFO L87 Difference]: Start difference. First operand 53313 states and 222898 transitions. Second operand 25 states. [2019-12-19 05:38:31,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 05:38:31,589 INFO L93 Difference]: Finished difference Result 201891 states and 806345 transitions. [2019-12-19 05:38:31,590 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states. [2019-12-19 05:38:31,590 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 46 [2019-12-19 05:38:31,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 05:38:32,179 INFO L225 Difference]: With dead ends: 201891 [2019-12-19 05:38:32,179 INFO L226 Difference]: Without dead ends: 192363 [2019-12-19 05:38:32,185 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 157 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9539 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=3575, Invalid=21547, Unknown=0, NotChecked=0, Total=25122 [2019-12-19 05:38:33,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192363 states. [2019-12-19 05:38:39,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192363 to 52971. [2019-12-19 05:38:39,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52971 states. [2019-12-19 05:38:39,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52971 states to 52971 states and 221668 transitions. [2019-12-19 05:38:39,976 INFO L78 Accepts]: Start accepts. Automaton has 52971 states and 221668 transitions. Word has length 46 [2019-12-19 05:38:39,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 05:38:39,976 INFO L462 AbstractCegarLoop]: Abstraction has 52971 states and 221668 transitions. [2019-12-19 05:38:39,976 INFO L463 AbstractCegarLoop]: Interpolant automaton has 25 states. [2019-12-19 05:38:39,976 INFO L276 IsEmpty]: Start isEmpty. Operand 52971 states and 221668 transitions. [2019-12-19 05:38:39,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-12-19 05:38:39,984 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 05:38:39,984 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-19 05:38:40,186 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-19 05:38:40,187 INFO L410 AbstractCegarLoop]: === Iteration 5 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-19 05:38:40,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 05:38:40,187 INFO L82 PathProgramCache]: Analyzing trace with hash 1103131201, now seen corresponding path program 2 times [2019-12-19 05:38:40,188 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 05:38:40,188 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662424496] [2019-12-19 05:38:40,189 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 05:38:40,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 05:38:40,358 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-19 05:38:40,358 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1662424496] [2019-12-19 05:38:40,358 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [605635695] [2019-12-19 05:38:40,358 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-19 05:38:40,436 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-12-19 05:38:40,436 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-12-19 05:38:40,437 INFO L264 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 15 conjunts are in the unsatisfiable core [2019-12-19 05:38:40,441 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-19 05:38:40,557 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-19 05:38:40,582 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-19 05:38:40,582 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-19 05:38:40,582 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 24 [2019-12-19 05:38:40,582 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295493543] [2019-12-19 05:38:40,583 INFO L442 AbstractCegarLoop]: Interpolant automaton has 24 states [2019-12-19 05:38:40,583 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 05:38:40,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2019-12-19 05:38:40,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=471, Unknown=0, NotChecked=0, Total=552 [2019-12-19 05:38:40,584 INFO L87 Difference]: Start difference. First operand 52971 states and 221668 transitions. Second operand 24 states. [2019-12-19 05:38:48,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 05:38:48,008 INFO L93 Difference]: Finished difference Result 210113 states and 844305 transitions. [2019-12-19 05:38:48,008 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2019-12-19 05:38:48,008 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 46 [2019-12-19 05:38:48,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 05:38:48,603 INFO L225 Difference]: With dead ends: 210113 [2019-12-19 05:38:48,603 INFO L226 Difference]: Without dead ends: 206201 [2019-12-19 05:38:48,608 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 132 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6068 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=2820, Invalid=15002, Unknown=0, NotChecked=0, Total=17822 [2019-12-19 05:38:49,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206201 states. [2019-12-19 05:38:51,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206201 to 46752. [2019-12-19 05:38:51,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46752 states. [2019-12-19 05:38:51,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46752 states to 46752 states and 196816 transitions. [2019-12-19 05:38:51,850 INFO L78 Accepts]: Start accepts. Automaton has 46752 states and 196816 transitions. Word has length 46 [2019-12-19 05:38:51,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 05:38:51,850 INFO L462 AbstractCegarLoop]: Abstraction has 46752 states and 196816 transitions. [2019-12-19 05:38:51,850 INFO L463 AbstractCegarLoop]: Interpolant automaton has 24 states. [2019-12-19 05:38:51,851 INFO L276 IsEmpty]: Start isEmpty. Operand 46752 states and 196816 transitions. [2019-12-19 05:38:51,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-12-19 05:38:51,864 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 05:38:51,864 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, 1, 1, 1, 1] [2019-12-19 05:38:52,067 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-19 05:38:52,067 INFO L410 AbstractCegarLoop]: === Iteration 6 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-19 05:38:52,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 05:38:52,068 INFO L82 PathProgramCache]: Analyzing trace with hash -19904360, now seen corresponding path program 1 times [2019-12-19 05:38:52,068 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 05:38:52,069 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255577065] [2019-12-19 05:38:52,069 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 05:38:52,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-19 05:38:52,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-19 05:38:52,108 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-19 05:38:52,109 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-19 05:38:52,109 WARN L364 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2019-12-19 05:38:52,109 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2019-12-19 05:38:52,120 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,120 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,120 WARN L315 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,120 WARN L315 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,121 WARN L315 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,121 WARN L315 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,121 WARN L315 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,121 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,121 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,121 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,121 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,122 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,122 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,122 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,122 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,122 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,122 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,123 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,123 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,123 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,123 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,123 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,123 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,123 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,124 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,124 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,124 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,124 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,124 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,124 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,124 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,125 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,125 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,125 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,125 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,125 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,125 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,126 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,126 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,126 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,126 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,126 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,126 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,126 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,127 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,127 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,127 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,127 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,127 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,127 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,127 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,128 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,128 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,128 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,128 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,128 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,128 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,128 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,129 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,129 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,129 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,129 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,129 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,129 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,130 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,130 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,130 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,130 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,130 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,130 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,131 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,131 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,131 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,131 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,131 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,131 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,132 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,132 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,132 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,132 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,132 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,132 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,132 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,133 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,133 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,133 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,133 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,133 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,134 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,135 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,135 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,136 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,136 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,136 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,137 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,137 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,138 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,138 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,138 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,139 WARN L315 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,139 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,140 WARN L315 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,140 WARN L315 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,140 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,141 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,142 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,142 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,142 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,142 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,142 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,144 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,144 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,144 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,144 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,144 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,145 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,147 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,147 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,147 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,148 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,148 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,148 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,149 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,150 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,150 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,150 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,150 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,150 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:38:52,151 INFO L249 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2019-12-19 05:38:52,152 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-19 05:38:52,152 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-19 05:38:52,152 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-19 05:38:52,152 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-19 05:38:52,152 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-19 05:38:52,152 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-19 05:38:52,152 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-19 05:38:52,153 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-19 05:38:52,155 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 123 places, 110 transitions Received shutdown request... [2019-12-19 05:41:47,434 WARN L527 AbstractCegarLoop]: Verification canceled [2019-12-19 05:41:47,438 WARN L227 ceAbstractionStarter]: Timeout [2019-12-19 05:41:47,439 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.12 05:41:47 BasicIcfg [2019-12-19 05:41:47,439 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-19 05:41:47,441 INFO L168 Benchmark]: Toolchain (without parser) took 244546.54 ms. Allocated memory was 139.5 MB in the beginning and 2.8 GB in the end (delta: 2.6 GB). Free memory was 101.3 MB in the beginning and 831.0 MB in the end (delta: -729.7 MB). Peak memory consumption was 3.2 GB. Max. memory is 7.1 GB. [2019-12-19 05:41:47,442 INFO L168 Benchmark]: CDTParser took 1.39 ms. Allocated memory is still 139.5 MB. Free memory was 121.4 MB in the beginning and 121.2 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-12-19 05:41:47,442 INFO L168 Benchmark]: CACSL2BoogieTranslator took 671.01 ms. Allocated memory was 139.5 MB in the beginning and 201.9 MB in the end (delta: 62.4 MB). Free memory was 101.1 MB in the beginning and 162.1 MB in the end (delta: -61.0 MB). Peak memory consumption was 26.4 MB. Max. memory is 7.1 GB. [2019-12-19 05:41:47,443 INFO L168 Benchmark]: Boogie Procedure Inliner took 66.63 ms. Allocated memory is still 201.9 MB. Free memory was 162.1 MB in the beginning and 160.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-12-19 05:41:47,444 INFO L168 Benchmark]: Boogie Preprocessor took 34.50 ms. Allocated memory is still 201.9 MB. Free memory was 160.1 MB in the beginning and 158.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2019-12-19 05:41:47,444 INFO L168 Benchmark]: RCFGBuilder took 409.12 ms. Allocated memory is still 201.9 MB. Free memory was 158.1 MB in the beginning and 138.9 MB in the end (delta: 19.1 MB). Peak memory consumption was 19.1 MB. Max. memory is 7.1 GB. [2019-12-19 05:41:47,445 INFO L168 Benchmark]: TraceAbstraction took 243358.69 ms. Allocated memory was 201.9 MB in the beginning and 2.8 GB in the end (delta: 2.6 GB). Free memory was 138.3 MB in the beginning and 831.0 MB in the end (delta: -692.7 MB). Peak memory consumption was 3.2 GB. Max. memory is 7.1 GB. [2019-12-19 05:41:47,449 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.39 ms. Allocated memory is still 139.5 MB. Free memory was 121.4 MB in the beginning and 121.2 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 671.01 ms. Allocated memory was 139.5 MB in the beginning and 201.9 MB in the end (delta: 62.4 MB). Free memory was 101.1 MB in the beginning and 162.1 MB in the end (delta: -61.0 MB). Peak memory consumption was 26.4 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 66.63 ms. Allocated memory is still 201.9 MB. Free memory was 162.1 MB in the beginning and 160.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 34.50 ms. Allocated memory is still 201.9 MB. Free memory was 160.1 MB in the beginning and 158.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 409.12 ms. Allocated memory is still 201.9 MB. Free memory was 158.1 MB in the beginning and 138.9 MB in the end (delta: 19.1 MB). Peak memory consumption was 19.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 243358.69 ms. Allocated memory was 201.9 MB in the beginning and 2.8 GB in the end (delta: 2.6 GB). Free memory was 138.3 MB in the beginning and 831.0 MB in the end (delta: -692.7 MB). Peak memory consumption was 3.2 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 676]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 676). Cancelled while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 123 places, 110 transitions. Already constructed 309709 states. Currently 26157 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 54 locations, 1 error locations. Result: TIMEOUT, OverallTime: 175.2s, 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