/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-MCR.epf -i ../../../trunk/examples/svcomp/pthread-lit/fkp2013-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-4336eb1 [2019-12-28 05:34:38,923 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-28 05:34:38,925 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-28 05:34:38,944 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-28 05:34:38,944 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-28 05:34:38,946 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-28 05:34:38,948 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-28 05:34:38,958 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-28 05:34:38,960 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-28 05:34:38,961 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-28 05:34:38,962 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-28 05:34:38,965 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-28 05:34:38,966 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-28 05:34:38,968 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-28 05:34:38,970 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-28 05:34:38,973 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-28 05:34:38,975 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-28 05:34:38,977 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-28 05:34:38,978 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-28 05:34:38,984 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-28 05:34:38,988 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-28 05:34:38,990 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-28 05:34:38,991 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-28 05:34:38,992 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-28 05:34:38,994 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-28 05:34:38,994 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-28 05:34:38,994 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-28 05:34:38,996 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-28 05:34:38,997 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-28 05:34:38,998 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-28 05:34:38,999 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-28 05:34:38,999 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-28 05:34:39,000 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-28 05:34:39,001 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-28 05:34:39,002 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-28 05:34:39,003 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-28 05:34:39,003 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-28 05:34:39,004 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-28 05:34:39,004 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-28 05:34:39,007 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-28 05:34:39,010 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-28 05:34:39,011 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-MCR.epf [2019-12-28 05:34:39,047 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-28 05:34:39,047 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-28 05:34:39,050 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-28 05:34:39,051 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-28 05:34:39,051 INFO L138 SettingsManager]: * Use SBE=true [2019-12-28 05:34:39,051 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-28 05:34:39,051 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-28 05:34:39,052 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-28 05:34:39,053 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-28 05:34:39,053 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-28 05:34:39,053 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-28 05:34:39,053 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-28 05:34:39,054 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-28 05:34:39,054 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-28 05:34:39,054 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-28 05:34:39,054 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-28 05:34:39,054 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-28 05:34:39,054 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-28 05:34:39,055 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-28 05:34:39,055 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-28 05:34:39,055 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-28 05:34:39,055 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-28 05:34:39,055 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-28 05:34:39,056 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-28 05:34:39,057 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-28 05:34:39,057 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-28 05:34:39,058 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-28 05:34:39,058 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2019-12-28 05:34:39,058 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2019-12-28 05:34:39,058 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-28 05:34:39,058 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2019-12-28 05:34:39,058 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-28 05:34:39,326 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-28 05:34:39,343 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-28 05:34:39,346 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-28 05:34:39,348 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-28 05:34:39,349 INFO L275 PluginConnector]: CDTParser initialized [2019-12-28 05:34:39,349 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-lit/fkp2013-2.i [2019-12-28 05:34:39,417 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73f6eb080/1c209343275c44bcac242e24a88bba2e/FLAGb6085b935 [2019-12-28 05:34:39,876 INFO L306 CDTParser]: Found 1 translation units. [2019-12-28 05:34:39,876 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-lit/fkp2013-2.i [2019-12-28 05:34:39,894 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73f6eb080/1c209343275c44bcac242e24a88bba2e/FLAGb6085b935 [2019-12-28 05:34:40,188 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73f6eb080/1c209343275c44bcac242e24a88bba2e [2019-12-28 05:34:40,197 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-28 05:34:40,199 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-28 05:34:40,201 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-28 05:34:40,201 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-28 05:34:40,205 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-28 05:34:40,206 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 05:34:40" (1/1) ... [2019-12-28 05:34:40,209 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b065a61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:34:40, skipping insertion in model container [2019-12-28 05:34:40,209 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 05:34:40" (1/1) ... [2019-12-28 05:34:40,218 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-28 05:34:40,278 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-28 05:34:40,715 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-28 05:34:40,731 INFO L203 MainTranslator]: Completed pre-run [2019-12-28 05:34:40,814 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-28 05:34:40,884 INFO L208 MainTranslator]: Completed translation [2019-12-28 05:34:40,885 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:34:40 WrapperNode [2019-12-28 05:34:40,885 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-28 05:34:40,886 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-28 05:34:40,886 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-28 05:34:40,888 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-28 05:34:40,897 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:34:40" (1/1) ... [2019-12-28 05:34:40,913 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:34:40" (1/1) ... [2019-12-28 05:34:40,934 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-28 05:34:40,934 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-28 05:34:40,935 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-28 05:34:40,935 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-28 05:34:40,944 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:34:40" (1/1) ... [2019-12-28 05:34:40,945 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:34:40" (1/1) ... [2019-12-28 05:34:40,947 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:34:40" (1/1) ... [2019-12-28 05:34:40,948 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:34:40" (1/1) ... [2019-12-28 05:34:40,953 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:34:40" (1/1) ... [2019-12-28 05:34:40,958 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:34:40" (1/1) ... [2019-12-28 05:34:40,960 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:34:40" (1/1) ... [2019-12-28 05:34:40,962 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-28 05:34:40,963 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-28 05:34:40,963 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-28 05:34:40,963 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-28 05:34:40,964 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:34:40" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-28 05:34:41,053 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2019-12-28 05:34:41,054 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2019-12-28 05:34:41,054 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2019-12-28 05:34:41,055 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2019-12-28 05:34:41,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-28 05:34:41,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-28 05:34:41,057 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-28 05:34:41,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-28 05:34:41,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-28 05:34:41,061 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-28 05:34:41,473 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-28 05:34:41,475 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-12-28 05:34:41,477 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 05:34:41 BoogieIcfgContainer [2019-12-28 05:34:41,477 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-28 05:34:41,478 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-28 05:34:41,479 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-28 05:34:41,483 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-28 05:34:41,484 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 05:34:40" (1/3) ... [2019-12-28 05:34:41,485 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25862823 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 05:34:41, skipping insertion in model container [2019-12-28 05:34:41,485 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:34:40" (2/3) ... [2019-12-28 05:34:41,486 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25862823 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 05:34:41, skipping insertion in model container [2019-12-28 05:34:41,487 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 05:34:41" (3/3) ... [2019-12-28 05:34:41,490 INFO L109 eAbstractionObserver]: Analyzing ICFG fkp2013-2.i [2019-12-28 05:34:41,501 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-28 05:34:41,501 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-28 05:34:41,512 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-28 05:34:41,514 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-28 05:34:41,550 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:41,550 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:41,550 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:41,551 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:41,551 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:41,552 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:41,552 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:41,552 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:41,553 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:41,554 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:41,554 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:41,554 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:41,554 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:41,555 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:41,555 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:41,555 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:41,556 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:41,556 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:41,556 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:41,557 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:41,557 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:41,563 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:41,563 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:41,566 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:41,566 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:41,567 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:41,574 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:41,575 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:41,575 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:41,575 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:41,575 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:41,576 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:41,595 INFO L249 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-12-28 05:34:41,618 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-28 05:34:41,618 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-28 05:34:41,619 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-28 05:34:41,619 INFO L376 AbstractCegarLoop]: Backedges is MCR [2019-12-28 05:34:41,619 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-28 05:34:41,619 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-28 05:34:41,619 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-28 05:34:41,620 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-28 05:34:41,632 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 55 places, 51 transitions [2019-12-28 05:34:41,722 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1265 states. [2019-12-28 05:34:41,724 INFO L276 IsEmpty]: Start isEmpty. Operand 1265 states. [2019-12-28 05:34:41,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-28 05:34:41,733 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 05:34:41,734 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] [2019-12-28 05:34:41,735 INFO L410 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-28 05:34:41,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 05:34:41,741 INFO L82 PathProgramCache]: Analyzing trace with hash -976840965, now seen corresponding path program 1 times [2019-12-28 05:34:41,753 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 05:34:41,754 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996421302] [2019-12-28 05:34:41,754 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 05:34:41,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 05:34:42,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 05:34:42,025 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996421302] [2019-12-28 05:34:42,026 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 05:34:42,026 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-28 05:34:42,027 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1732980059] [2019-12-28 05:34:42,028 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 05:34:42,034 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 05:34:42,054 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 22 states and 21 transitions. [2019-12-28 05:34:42,054 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 05:34:42,059 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 05:34:42,059 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-28 05:34:42,059 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 05:34:42,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-28 05:34:42,075 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-28 05:34:42,077 INFO L87 Difference]: Start difference. First operand 1265 states. Second operand 5 states. [2019-12-28 05:34:42,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 05:34:42,237 INFO L93 Difference]: Finished difference Result 1399 states and 3554 transitions. [2019-12-28 05:34:42,237 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-28 05:34:42,239 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2019-12-28 05:34:42,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 05:34:42,266 INFO L225 Difference]: With dead ends: 1399 [2019-12-28 05:34:42,267 INFO L226 Difference]: Without dead ends: 927 [2019-12-28 05:34:42,269 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-12-28 05:34:42,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 927 states. [2019-12-28 05:34:42,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 927 to 855. [2019-12-28 05:34:42,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 855 states. [2019-12-28 05:34:42,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 855 states to 855 states and 2147 transitions. [2019-12-28 05:34:42,423 INFO L78 Accepts]: Start accepts. Automaton has 855 states and 2147 transitions. Word has length 21 [2019-12-28 05:34:42,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 05:34:42,424 INFO L462 AbstractCegarLoop]: Abstraction has 855 states and 2147 transitions. [2019-12-28 05:34:42,424 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-28 05:34:42,424 INFO L276 IsEmpty]: Start isEmpty. Operand 855 states and 2147 transitions. [2019-12-28 05:34:42,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-12-28 05:34:42,427 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 05:34:42,427 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] [2019-12-28 05:34:42,428 INFO L410 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-28 05:34:42,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 05:34:42,430 INFO L82 PathProgramCache]: Analyzing trace with hash 634506375, now seen corresponding path program 1 times [2019-12-28 05:34:42,431 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 05:34:42,431 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270290924] [2019-12-28 05:34:42,431 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 05:34:42,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-28 05:34:42,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-28 05:34:42,514 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-28 05:34:42,514 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-28 05:34:42,516 WARN L364 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2019-12-28 05:34:42,516 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2019-12-28 05:34:42,543 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:42,544 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:42,544 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:42,544 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:42,544 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:42,544 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:42,545 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:42,545 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:42,545 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:42,545 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:42,546 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:42,546 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:42,546 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:42,546 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:42,546 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:42,549 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:42,549 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:42,549 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:42,550 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:42,550 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:42,550 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:42,550 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:42,551 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:42,551 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:42,551 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:42,551 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:42,552 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:42,557 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:42,557 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:42,558 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:42,558 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:42,558 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:42,558 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:42,559 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:42,559 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:42,559 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:42,559 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:42,563 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:42,563 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:42,564 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:42,564 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:42,564 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:42,568 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:42,569 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:42,569 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:42,570 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:42,573 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:42,582 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:42,583 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:42,583 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:42,583 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:42,584 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:42,592 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:42,593 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:42,593 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:42,593 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:42,593 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:42,593 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:42,601 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:42,602 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:42,602 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:42,602 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:42,602 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:42,602 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:42,606 INFO L249 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2019-12-28 05:34:42,607 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-28 05:34:42,607 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-28 05:34:42,607 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-28 05:34:42,607 INFO L376 AbstractCegarLoop]: Backedges is MCR [2019-12-28 05:34:42,607 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-28 05:34:42,607 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-28 05:34:42,608 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-28 05:34:42,608 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-28 05:34:42,610 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 76 places, 69 transitions [2019-12-28 05:34:43,182 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 9035 states. [2019-12-28 05:34:43,183 INFO L276 IsEmpty]: Start isEmpty. Operand 9035 states. [2019-12-28 05:34:43,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-28 05:34:43,185 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 05:34:43,185 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] [2019-12-28 05:34:43,186 INFO L410 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 05:34:43,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 05:34:43,186 INFO L82 PathProgramCache]: Analyzing trace with hash 1010758289, now seen corresponding path program 1 times [2019-12-28 05:34:43,187 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 05:34:43,187 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536333465] [2019-12-28 05:34:43,187 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 05:34:43,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 05:34:43,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 05:34:43,291 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536333465] [2019-12-28 05:34:43,291 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 05:34:43,291 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-28 05:34:43,291 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1374444622] [2019-12-28 05:34:43,292 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 05:34:43,293 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 05:34:43,295 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 22 states and 21 transitions. [2019-12-28 05:34:43,295 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 05:34:43,296 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 05:34:43,296 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-28 05:34:43,296 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 05:34:43,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-28 05:34:43,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-28 05:34:43,297 INFO L87 Difference]: Start difference. First operand 9035 states. Second operand 5 states. [2019-12-28 05:34:43,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 05:34:43,566 INFO L93 Difference]: Finished difference Result 11815 states and 39852 transitions. [2019-12-28 05:34:43,566 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-28 05:34:43,566 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2019-12-28 05:34:43,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 05:34:43,643 INFO L225 Difference]: With dead ends: 11815 [2019-12-28 05:34:43,643 INFO L226 Difference]: Without dead ends: 8199 [2019-12-28 05:34:43,644 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-12-28 05:34:43,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8199 states. [2019-12-28 05:34:43,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8199 to 7344. [2019-12-28 05:34:43,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7344 states. [2019-12-28 05:34:44,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7344 states to 7344 states and 24684 transitions. [2019-12-28 05:34:44,009 INFO L78 Accepts]: Start accepts. Automaton has 7344 states and 24684 transitions. Word has length 21 [2019-12-28 05:34:44,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 05:34:44,009 INFO L462 AbstractCegarLoop]: Abstraction has 7344 states and 24684 transitions. [2019-12-28 05:34:44,009 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-28 05:34:44,010 INFO L276 IsEmpty]: Start isEmpty. Operand 7344 states and 24684 transitions. [2019-12-28 05:34:44,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-12-28 05:34:44,017 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 05:34:44,018 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] [2019-12-28 05:34:44,018 INFO L410 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 05:34:44,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 05:34:44,019 INFO L82 PathProgramCache]: Analyzing trace with hash 1733676717, now seen corresponding path program 1 times [2019-12-28 05:34:44,019 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 05:34:44,020 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620646891] [2019-12-28 05:34:44,020 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 05:34:44,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 05:34:44,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 05:34:44,178 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620646891] [2019-12-28 05:34:44,178 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 05:34:44,178 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-28 05:34:44,179 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1196839777] [2019-12-28 05:34:44,179 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 05:34:44,182 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 05:34:44,187 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 40 states and 48 transitions. [2019-12-28 05:34:44,187 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 05:34:44,204 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 2 times. [2019-12-28 05:34:44,204 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-28 05:34:44,205 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 05:34:44,205 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-28 05:34:44,205 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-12-28 05:34:44,206 INFO L87 Difference]: Start difference. First operand 7344 states and 24684 transitions. Second operand 7 states. [2019-12-28 05:34:44,720 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2019-12-28 05:34:44,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 05:34:44,812 INFO L93 Difference]: Finished difference Result 12102 states and 39511 transitions. [2019-12-28 05:34:44,812 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-12-28 05:34:44,813 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 30 [2019-12-28 05:34:44,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 05:34:44,896 INFO L225 Difference]: With dead ends: 12102 [2019-12-28 05:34:44,896 INFO L226 Difference]: Without dead ends: 11054 [2019-12-28 05:34:44,898 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=112, Invalid=268, Unknown=0, NotChecked=0, Total=380 [2019-12-28 05:34:44,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11054 states. [2019-12-28 05:34:45,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11054 to 6287. [2019-12-28 05:34:45,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6287 states. [2019-12-28 05:34:45,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6287 states to 6287 states and 21120 transitions. [2019-12-28 05:34:45,164 INFO L78 Accepts]: Start accepts. Automaton has 6287 states and 21120 transitions. Word has length 30 [2019-12-28 05:34:45,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 05:34:45,166 INFO L462 AbstractCegarLoop]: Abstraction has 6287 states and 21120 transitions. [2019-12-28 05:34:45,166 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-28 05:34:45,166 INFO L276 IsEmpty]: Start isEmpty. Operand 6287 states and 21120 transitions. [2019-12-28 05:34:45,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-28 05:34:45,169 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 05:34:45,169 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] [2019-12-28 05:34:45,170 INFO L410 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 05:34:45,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 05:34:45,170 INFO L82 PathProgramCache]: Analyzing trace with hash -1248289279, now seen corresponding path program 1 times [2019-12-28 05:34:45,171 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 05:34:45,172 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252435212] [2019-12-28 05:34:45,172 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 05:34:45,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-28 05:34:45,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-28 05:34:45,249 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-28 05:34:45,250 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-28 05:34:45,250 WARN L364 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2019-12-28 05:34:45,250 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2019-12-28 05:34:45,271 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:45,272 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:45,272 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:45,272 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:45,273 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:45,273 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:45,273 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:45,274 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:45,274 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:45,274 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:45,275 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:45,275 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:45,275 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:45,275 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:45,275 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:45,276 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:45,276 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:45,276 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:45,276 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:45,276 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:45,276 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:45,277 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:45,277 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:45,277 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:45,277 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:45,277 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:45,277 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:45,278 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:45,278 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:45,282 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:45,283 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:45,283 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:45,283 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:45,283 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:45,283 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:45,284 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:45,284 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:45,284 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:45,284 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:45,284 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:45,285 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:45,285 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:45,285 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:45,285 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:45,285 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:45,286 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:45,286 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:45,286 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:45,286 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:45,286 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:45,286 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:45,287 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:45,287 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:45,287 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:45,287 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:45,287 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:45,288 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:45,288 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:45,288 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:45,288 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:45,288 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:45,289 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:45,289 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:45,289 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:45,289 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:45,290 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:45,290 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:45,290 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:45,293 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:45,293 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:45,294 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:45,294 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:45,294 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:45,297 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:45,297 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:45,298 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:45,298 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:45,298 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:45,300 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:45,300 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:45,300 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:45,300 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:45,301 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:45,301 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:45,306 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:45,306 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:45,306 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:45,307 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:45,307 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:45,307 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:45,310 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:45,311 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:45,311 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:45,311 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:45,311 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:45,311 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:34:45,313 INFO L249 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2019-12-28 05:34:45,314 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-28 05:34:45,314 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-28 05:34:45,314 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-28 05:34:45,314 INFO L376 AbstractCegarLoop]: Backedges is MCR [2019-12-28 05:34:45,314 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-28 05:34:45,314 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-28 05:34:45,314 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-28 05:34:45,314 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-28 05:34:45,317 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 97 places, 87 transitions [2019-12-28 05:34:55,803 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 63425 states. [2019-12-28 05:34:55,803 INFO L276 IsEmpty]: Start isEmpty. Operand 63425 states. [2019-12-28 05:34:55,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-28 05:34:55,804 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 05:34:55,804 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] [2019-12-28 05:34:55,804 INFO L410 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 05:34:55,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 05:34:55,805 INFO L82 PathProgramCache]: Analyzing trace with hash 2071358329, now seen corresponding path program 1 times [2019-12-28 05:34:55,805 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 05:34:55,806 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560494665] [2019-12-28 05:34:55,806 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 05:34:55,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 05:34:55,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 05:34:55,854 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560494665] [2019-12-28 05:34:55,855 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 05:34:55,855 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-28 05:34:55,855 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [281124278] [2019-12-28 05:34:55,855 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 05:34:55,857 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 05:34:55,858 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 22 states and 21 transitions. [2019-12-28 05:34:55,858 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 05:34:55,859 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 05:34:55,859 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-28 05:34:55,859 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 05:34:55,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-28 05:34:55,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-28 05:34:55,860 INFO L87 Difference]: Start difference. First operand 63425 states. Second operand 5 states. [2019-12-28 05:34:57,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 05:34:57,684 INFO L93 Difference]: Finished difference Result 90775 states and 383710 transitions. [2019-12-28 05:34:57,684 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-28 05:34:57,684 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2019-12-28 05:34:57,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 05:34:58,038 INFO L225 Difference]: With dead ends: 90775 [2019-12-28 05:34:58,039 INFO L226 Difference]: Without dead ends: 63999 [2019-12-28 05:34:58,040 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-12-28 05:35:00,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63999 states. [2019-12-28 05:35:01,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63999 to 56547. [2019-12-28 05:35:01,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56547 states. [2019-12-28 05:35:01,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56547 states to 56547 states and 238897 transitions. [2019-12-28 05:35:01,910 INFO L78 Accepts]: Start accepts. Automaton has 56547 states and 238897 transitions. Word has length 21 [2019-12-28 05:35:01,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 05:35:01,911 INFO L462 AbstractCegarLoop]: Abstraction has 56547 states and 238897 transitions. [2019-12-28 05:35:01,911 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-28 05:35:01,911 INFO L276 IsEmpty]: Start isEmpty. Operand 56547 states and 238897 transitions. [2019-12-28 05:35:01,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-12-28 05:35:01,913 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 05:35:01,913 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] [2019-12-28 05:35:01,913 INFO L410 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 05:35:01,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 05:35:01,914 INFO L82 PathProgramCache]: Analyzing trace with hash 1794427180, now seen corresponding path program 1 times [2019-12-28 05:35:01,914 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 05:35:01,914 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004675055] [2019-12-28 05:35:01,915 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 05:35:01,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 05:35:01,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 05:35:01,994 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004675055] [2019-12-28 05:35:01,995 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 05:35:01,995 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-28 05:35:01,995 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1523162452] [2019-12-28 05:35:01,995 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 05:35:01,998 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 05:35:02,002 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 40 states and 48 transitions. [2019-12-28 05:35:02,003 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 05:35:02,005 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 2 times. [2019-12-28 05:35:02,005 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-28 05:35:02,005 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 05:35:02,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-28 05:35:02,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-12-28 05:35:02,006 INFO L87 Difference]: Start difference. First operand 56547 states and 238897 transitions. Second operand 7 states. [2019-12-28 05:35:05,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 05:35:05,489 INFO L93 Difference]: Finished difference Result 116892 states and 478975 transitions. [2019-12-28 05:35:05,489 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-12-28 05:35:05,490 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 30 [2019-12-28 05:35:05,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 05:35:05,852 INFO L225 Difference]: With dead ends: 116892 [2019-12-28 05:35:05,853 INFO L226 Difference]: Without dead ends: 109508 [2019-12-28 05:35:05,853 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=112, Invalid=268, Unknown=0, NotChecked=0, Total=380 [2019-12-28 05:35:06,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109508 states. [2019-12-28 05:35:08,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109508 to 55478. [2019-12-28 05:35:08,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55478 states. [2019-12-28 05:35:08,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55478 states to 55478 states and 233315 transitions. [2019-12-28 05:35:08,313 INFO L78 Accepts]: Start accepts. Automaton has 55478 states and 233315 transitions. Word has length 30 [2019-12-28 05:35:08,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 05:35:08,314 INFO L462 AbstractCegarLoop]: Abstraction has 55478 states and 233315 transitions. [2019-12-28 05:35:08,314 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-28 05:35:08,314 INFO L276 IsEmpty]: Start isEmpty. Operand 55478 states and 233315 transitions. [2019-12-28 05:35:08,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-12-28 05:35:08,319 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 05:35:08,320 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] [2019-12-28 05:35:08,320 INFO L410 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 05:35:08,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 05:35:08,320 INFO L82 PathProgramCache]: Analyzing trace with hash 1548014213, now seen corresponding path program 1 times [2019-12-28 05:35:08,321 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 05:35:08,321 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904708622] [2019-12-28 05:35:08,321 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 05:35:08,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 05:35:08,394 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-28 05:35:08,395 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904708622] [2019-12-28 05:35:08,395 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 05:35:08,395 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-28 05:35:08,395 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [916587522] [2019-12-28 05:35:08,395 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 05:35:08,399 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 05:35:08,406 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 54 states and 69 transitions. [2019-12-28 05:35:08,406 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 05:35:08,408 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 2 times. [2019-12-28 05:35:08,409 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-28 05:35:08,409 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 05:35:08,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-28 05:35:08,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-12-28 05:35:08,410 INFO L87 Difference]: Start difference. First operand 55478 states and 233315 transitions. Second operand 7 states. [2019-12-28 05:35:09,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 05:35:09,949 INFO L93 Difference]: Finished difference Result 120629 states and 492530 transitions. [2019-12-28 05:35:09,950 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-12-28 05:35:09,950 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 37 [2019-12-28 05:35:09,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 05:35:10,285 INFO L225 Difference]: With dead ends: 120629 [2019-12-28 05:35:10,285 INFO L226 Difference]: Without dead ends: 113029 [2019-12-28 05:35:10,286 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=112, Invalid=268, Unknown=0, NotChecked=0, Total=380 [2019-12-28 05:35:14,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113029 states. [2019-12-28 05:35:15,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113029 to 53308. [2019-12-28 05:35:15,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53308 states. [2019-12-28 05:35:15,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53308 states to 53308 states and 222893 transitions. [2019-12-28 05:35:15,844 INFO L78 Accepts]: Start accepts. Automaton has 53308 states and 222893 transitions. Word has length 37 [2019-12-28 05:35:15,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 05:35:15,845 INFO L462 AbstractCegarLoop]: Abstraction has 53308 states and 222893 transitions. [2019-12-28 05:35:15,845 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-28 05:35:15,845 INFO L276 IsEmpty]: Start isEmpty. Operand 53308 states and 222893 transitions. [2019-12-28 05:35:15,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-12-28 05:35:15,857 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 05:35:15,857 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] [2019-12-28 05:35:15,857 INFO L410 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 05:35:15,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 05:35:15,858 INFO L82 PathProgramCache]: Analyzing trace with hash 1901138179, now seen corresponding path program 1 times [2019-12-28 05:35:15,858 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 05:35:15,858 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273056688] [2019-12-28 05:35:15,859 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 05:35:15,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 05:35:15,954 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-28 05:35:15,955 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273056688] [2019-12-28 05:35:15,955 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 05:35:15,955 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-12-28 05:35:15,955 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1695711434] [2019-12-28 05:35:15,956 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 05:35:15,960 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 05:35:15,974 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 106 states and 191 transitions. [2019-12-28 05:35:15,975 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 05:35:15,978 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 4 times. [2019-12-28 05:35:15,979 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-12-28 05:35:15,979 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 05:35:15,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-12-28 05:35:15,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-12-28 05:35:15,979 INFO L87 Difference]: Start difference. First operand 53308 states and 222893 transitions. Second operand 9 states. [2019-12-28 05:35:16,531 WARN L192 SmtUtils]: Spent 456.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2019-12-28 05:35:20,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 05:35:20,999 INFO L93 Difference]: Finished difference Result 141364 states and 570764 transitions. [2019-12-28 05:35:20,999 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2019-12-28 05:35:21,000 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 41 [2019-12-28 05:35:21,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 05:35:21,403 INFO L225 Difference]: With dead ends: 141364 [2019-12-28 05:35:21,404 INFO L226 Difference]: Without dead ends: 137596 [2019-12-28 05:35:21,405 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 656 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=473, Invalid=1689, Unknown=0, NotChecked=0, Total=2162 [2019-12-28 05:35:21,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137596 states. [2019-12-28 05:35:23,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137596 to 52210. [2019-12-28 05:35:23,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52210 states. [2019-12-28 05:35:23,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52210 states to 52210 states and 218459 transitions. [2019-12-28 05:35:23,264 INFO L78 Accepts]: Start accepts. Automaton has 52210 states and 218459 transitions. Word has length 41 [2019-12-28 05:35:23,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 05:35:23,264 INFO L462 AbstractCegarLoop]: Abstraction has 52210 states and 218459 transitions. [2019-12-28 05:35:23,264 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-12-28 05:35:23,264 INFO L276 IsEmpty]: Start isEmpty. Operand 52210 states and 218459 transitions. [2019-12-28 05:35:23,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-12-28 05:35:23,273 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 05:35:23,273 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] [2019-12-28 05:35:23,273 INFO L410 AbstractCegarLoop]: === Iteration 5 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 05:35:23,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 05:35:23,274 INFO L82 PathProgramCache]: Analyzing trace with hash 1741529347, now seen corresponding path program 2 times [2019-12-28 05:35:23,274 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 05:35:23,274 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563553445] [2019-12-28 05:35:23,274 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 05:35:23,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 05:35:23,358 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-28 05:35:23,359 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563553445] [2019-12-28 05:35:23,359 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 05:35:23,359 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-12-28 05:35:23,359 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [851344674] [2019-12-28 05:35:23,359 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 05:35:23,364 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 05:35:23,381 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 134 states and 261 transitions. [2019-12-28 05:35:23,381 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 05:35:23,943 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 28 times. [2019-12-28 05:35:23,943 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-12-28 05:35:23,944 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 05:35:23,944 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-12-28 05:35:23,944 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2019-12-28 05:35:23,944 INFO L87 Difference]: Start difference. First operand 52210 states and 218459 transitions. Second operand 15 states. [2019-12-28 05:35:26,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 05:35:26,885 INFO L93 Difference]: Finished difference Result 183038 states and 734970 transitions. [2019-12-28 05:35:26,885 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2019-12-28 05:35:26,886 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 41 [2019-12-28 05:35:26,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 05:35:27,408 INFO L225 Difference]: With dead ends: 183038 [2019-12-28 05:35:27,408 INFO L226 Difference]: Without dead ends: 176126 [2019-12-28 05:35:27,410 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1456 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1009, Invalid=3683, Unknown=0, NotChecked=0, Total=4692 [2019-12-28 05:35:27,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176126 states. [2019-12-28 05:35:33,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176126 to 45991. [2019-12-28 05:35:33,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45991 states. [2019-12-28 05:35:33,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45991 states to 45991 states and 193607 transitions. [2019-12-28 05:35:33,801 INFO L78 Accepts]: Start accepts. Automaton has 45991 states and 193607 transitions. Word has length 41 [2019-12-28 05:35:33,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 05:35:33,802 INFO L462 AbstractCegarLoop]: Abstraction has 45991 states and 193607 transitions. [2019-12-28 05:35:33,802 INFO L463 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-12-28 05:35:33,802 INFO L276 IsEmpty]: Start isEmpty. Operand 45991 states and 193607 transitions. [2019-12-28 05:35:33,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-12-28 05:35:33,811 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 05:35:33,811 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] [2019-12-28 05:35:33,811 INFO L410 AbstractCegarLoop]: === Iteration 6 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 05:35:33,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 05:35:33,811 INFO L82 PathProgramCache]: Analyzing trace with hash -639011516, now seen corresponding path program 1 times [2019-12-28 05:35:33,812 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 05:35:33,812 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771934394] [2019-12-28 05:35:33,812 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 05:35:33,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-28 05:35:33,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-28 05:35:33,840 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-28 05:35:33,840 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-28 05:35:33,841 WARN L364 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2019-12-28 05:35:33,841 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2019-12-28 05:35:33,855 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,856 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,856 WARN L315 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,856 WARN L315 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,856 WARN L315 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,856 WARN L315 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,856 WARN L315 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,857 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,857 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,857 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,858 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,858 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,858 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,858 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,858 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,858 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,859 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,859 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,859 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,859 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,859 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,859 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,860 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,860 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,860 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,860 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,860 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,860 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,860 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,861 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,861 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,861 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,861 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,861 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,861 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,861 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,862 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,862 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,862 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,862 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,862 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,862 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,863 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,863 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,863 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,863 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,863 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,863 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,864 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,864 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,864 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,864 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,864 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,864 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,864 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,865 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,865 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,865 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,865 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,866 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,866 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,866 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,866 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,866 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,867 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,867 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,867 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,867 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,867 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,867 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,868 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,868 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,868 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,868 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,868 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,868 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,868 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,869 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,869 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,869 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,869 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,869 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,869 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,869 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,870 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,870 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,870 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,870 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,871 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,872 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,872 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,872 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,872 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,873 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,874 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,874 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,874 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,874 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,875 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,877 WARN L315 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,877 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,877 WARN L315 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,877 WARN L315 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,878 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,879 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,879 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,879 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,880 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,880 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,880 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,881 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,882 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,882 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,882 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,882 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,882 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,884 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,885 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,885 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,885 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,885 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,885 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,888 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,888 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,888 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,888 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,888 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,888 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:35:33,890 INFO L249 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2019-12-28 05:35:33,890 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-28 05:35:33,890 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-28 05:35:33,890 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-28 05:35:33,890 INFO L376 AbstractCegarLoop]: Backedges is MCR [2019-12-28 05:35:33,890 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-28 05:35:33,891 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-28 05:35:33,891 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-28 05:35:33,891 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-28 05:35:33,894 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 118 places, 105 transitions Received shutdown request... [2019-12-28 05:38:47,872 WARN L527 AbstractCegarLoop]: Verification canceled [2019-12-28 05:38:47,876 WARN L227 ceAbstractionStarter]: Timeout [2019-12-28 05:38:47,876 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.12 05:38:47 BasicIcfg [2019-12-28 05:38:47,876 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-28 05:38:47,878 INFO L168 Benchmark]: Toolchain (without parser) took 247679.11 ms. Allocated memory was 146.3 MB in the beginning and 3.1 GB in the end (delta: 2.9 GB). Free memory was 102.0 MB in the beginning and 1.6 GB in the end (delta: -1.4 GB). Peak memory consumption was 3.2 GB. Max. memory is 7.1 GB. [2019-12-28 05:38:47,879 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 146.3 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-12-28 05:38:47,880 INFO L168 Benchmark]: CACSL2BoogieTranslator took 684.93 ms. Allocated memory was 146.3 MB in the beginning and 204.5 MB in the end (delta: 58.2 MB). Free memory was 101.6 MB in the beginning and 164.1 MB in the end (delta: -62.5 MB). Peak memory consumption was 20.2 MB. Max. memory is 7.1 GB. [2019-12-28 05:38:47,881 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.31 ms. Allocated memory is still 204.5 MB. Free memory was 164.1 MB in the beginning and 161.9 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-12-28 05:38:47,885 INFO L168 Benchmark]: Boogie Preprocessor took 28.36 ms. Allocated memory is still 204.5 MB. Free memory was 161.9 MB in the beginning and 160.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-12-28 05:38:47,886 INFO L168 Benchmark]: RCFGBuilder took 514.20 ms. Allocated memory is still 204.5 MB. Free memory was 160.6 MB in the beginning and 141.6 MB in the end (delta: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 7.1 GB. [2019-12-28 05:38:47,889 INFO L168 Benchmark]: TraceAbstraction took 246397.90 ms. Allocated memory was 204.5 MB in the beginning and 3.1 GB in the end (delta: 2.9 GB). Free memory was 140.9 MB in the beginning and 1.6 GB in the end (delta: -1.4 GB). Peak memory consumption was 3.2 GB. Max. memory is 7.1 GB. [2019-12-28 05:38:47,901 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 146.3 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 684.93 ms. Allocated memory was 146.3 MB in the beginning and 204.5 MB in the end (delta: 58.2 MB). Free memory was 101.6 MB in the beginning and 164.1 MB in the end (delta: -62.5 MB). Peak memory consumption was 20.2 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 48.31 ms. Allocated memory is still 204.5 MB. Free memory was 164.1 MB in the beginning and 161.9 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 28.36 ms. Allocated memory is still 204.5 MB. Free memory was 161.9 MB in the beginning and 160.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 514.20 ms. Allocated memory is still 204.5 MB. Free memory was 160.6 MB in the beginning and 141.6 MB in the end (delta: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 246397.90 ms. Allocated memory was 204.5 MB in the beginning and 3.1 GB in the end (delta: 2.9 GB). Free memory was 140.9 MB in the beginning and 1.6 GB in the end (delta: -1.4 GB). 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 118 places, 105 transitions. Already constructed 335679 states. Currently 24240 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 49 locations, 1 error locations. Result: TIMEOUT, OverallTime: 193.9s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown