/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-McrStrategy.epf -i ../../../trunk/examples/svcomp/pthread-ext/31_simple_loop5_vs.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b981219 [2020-04-18 16:20:50,089 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-04-18 16:20:50,092 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-04-18 16:20:50,106 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-04-18 16:20:50,106 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-04-18 16:20:50,107 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-04-18 16:20:50,108 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-04-18 16:20:50,110 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-04-18 16:20:50,112 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-04-18 16:20:50,113 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-04-18 16:20:50,114 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-04-18 16:20:50,115 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-04-18 16:20:50,115 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-04-18 16:20:50,116 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-04-18 16:20:50,117 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-04-18 16:20:50,119 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-04-18 16:20:50,119 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-04-18 16:20:50,120 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-04-18 16:20:50,122 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-04-18 16:20:50,124 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-04-18 16:20:50,126 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-04-18 16:20:50,127 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-04-18 16:20:50,128 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-04-18 16:20:50,129 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-04-18 16:20:50,132 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-04-18 16:20:50,132 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-04-18 16:20:50,132 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-04-18 16:20:50,133 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-04-18 16:20:50,134 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-04-18 16:20:50,135 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-04-18 16:20:50,135 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-04-18 16:20:50,136 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-04-18 16:20:50,136 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-04-18 16:20:50,137 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-04-18 16:20:50,138 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-04-18 16:20:50,138 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-04-18 16:20:50,139 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-04-18 16:20:50,139 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-04-18 16:20:50,140 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-04-18 16:20:50,140 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-04-18 16:20:50,141 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-04-18 16:20:50,142 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-McrStrategy.epf [2020-04-18 16:20:50,157 INFO L113 SettingsManager]: Loading preferences was successful [2020-04-18 16:20:50,158 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-04-18 16:20:50,159 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-04-18 16:20:50,159 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-04-18 16:20:50,159 INFO L138 SettingsManager]: * Use SBE=true [2020-04-18 16:20:50,160 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-04-18 16:20:50,160 INFO L138 SettingsManager]: * sizeof long=4 [2020-04-18 16:20:50,160 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-04-18 16:20:50,160 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-04-18 16:20:50,160 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-04-18 16:20:50,160 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-04-18 16:20:50,161 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-04-18 16:20:50,161 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-04-18 16:20:50,161 INFO L138 SettingsManager]: * sizeof long double=12 [2020-04-18 16:20:50,161 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-04-18 16:20:50,161 INFO L138 SettingsManager]: * Use constant arrays=true [2020-04-18 16:20:50,162 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-04-18 16:20:50,162 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-04-18 16:20:50,162 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-04-18 16:20:50,162 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-04-18 16:20:50,162 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-04-18 16:20:50,163 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-04-18 16:20:50,163 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-04-18 16:20:50,165 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-04-18 16:20:50,165 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-04-18 16:20:50,166 INFO L138 SettingsManager]: * Trace refinement strategy=MCR [2020-04-18 16:20:50,166 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-04-18 16:20:50,166 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-04-18 16:20:50,166 INFO L138 SettingsManager]: * Trace refinement strategy used in MCR=CAMEL [2020-04-18 16:20:50,166 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-04-18 16:20:50,167 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-04-18 16:20:50,445 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-04-18 16:20:50,463 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-04-18 16:20:50,467 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-04-18 16:20:50,469 INFO L271 PluginConnector]: Initializing CDTParser... [2020-04-18 16:20:50,469 INFO L275 PluginConnector]: CDTParser initialized [2020-04-18 16:20:50,472 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/31_simple_loop5_vs.i [2020-04-18 16:20:50,536 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b87f6aac/6f03f5892c94455a97f2e7b9eeddea84/FLAG69202103f [2020-04-18 16:20:51,069 INFO L306 CDTParser]: Found 1 translation units. [2020-04-18 16:20:51,070 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/31_simple_loop5_vs.i [2020-04-18 16:20:51,091 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b87f6aac/6f03f5892c94455a97f2e7b9eeddea84/FLAG69202103f [2020-04-18 16:20:51,379 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b87f6aac/6f03f5892c94455a97f2e7b9eeddea84 [2020-04-18 16:20:51,389 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-04-18 16:20:51,407 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-04-18 16:20:51,408 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-04-18 16:20:51,408 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-04-18 16:20:51,412 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-04-18 16:20:51,413 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 04:20:51" (1/1) ... [2020-04-18 16:20:51,416 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56c90fb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:20:51, skipping insertion in model container [2020-04-18 16:20:51,416 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 04:20:51" (1/1) ... [2020-04-18 16:20:51,424 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-04-18 16:20:51,475 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-04-18 16:20:51,938 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-04-18 16:20:51,949 INFO L203 MainTranslator]: Completed pre-run [2020-04-18 16:20:51,994 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-04-18 16:20:52,079 INFO L208 MainTranslator]: Completed translation [2020-04-18 16:20:52,079 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:20:52 WrapperNode [2020-04-18 16:20:52,079 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-04-18 16:20:52,080 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-04-18 16:20:52,080 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-04-18 16:20:52,081 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-04-18 16:20:52,090 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:20:52" (1/1) ... [2020-04-18 16:20:52,107 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:20:52" (1/1) ... [2020-04-18 16:20:52,130 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-04-18 16:20:52,131 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-04-18 16:20:52,131 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-04-18 16:20:52,131 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-04-18 16:20:52,139 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:20:52" (1/1) ... [2020-04-18 16:20:52,140 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:20:52" (1/1) ... [2020-04-18 16:20:52,144 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:20:52" (1/1) ... [2020-04-18 16:20:52,144 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:20:52" (1/1) ... [2020-04-18 16:20:52,149 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:20:52" (1/1) ... [2020-04-18 16:20:52,157 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:20:52" (1/1) ... [2020-04-18 16:20:52,160 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:20:52" (1/1) ... [2020-04-18 16:20:52,163 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-04-18 16:20:52,163 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-04-18 16:20:52,164 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-04-18 16:20:52,164 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-04-18 16:20:52,166 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:20:52" (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 [2020-04-18 16:20:52,223 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2020-04-18 16:20:52,223 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2020-04-18 16:20:52,223 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2020-04-18 16:20:52,224 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2020-04-18 16:20:52,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-04-18 16:20:52,224 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-04-18 16:20:52,225 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-04-18 16:20:52,225 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-04-18 16:20:52,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-04-18 16:20:52,227 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-04-18 16:20:52,812 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-04-18 16:20:52,812 INFO L295 CfgBuilder]: Removed 7 assume(true) statements. [2020-04-18 16:20:52,816 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 04:20:52 BoogieIcfgContainer [2020-04-18 16:20:52,817 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-04-18 16:20:52,818 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-04-18 16:20:52,818 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-04-18 16:20:52,822 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-04-18 16:20:52,822 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 04:20:51" (1/3) ... [2020-04-18 16:20:52,823 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2339da04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 04:20:52, skipping insertion in model container [2020-04-18 16:20:52,823 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:20:52" (2/3) ... [2020-04-18 16:20:52,824 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2339da04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 04:20:52, skipping insertion in model container [2020-04-18 16:20:52,824 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 04:20:52" (3/3) ... [2020-04-18 16:20:52,826 INFO L109 eAbstractionObserver]: Analyzing ICFG 31_simple_loop5_vs.i [2020-04-18 16:20:52,837 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-04-18 16:20:52,838 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-04-18 16:20:52,846 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-04-18 16:20:52,847 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-04-18 16:20:52,877 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:52,878 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:52,878 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:52,878 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:52,879 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:52,879 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:52,879 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:52,879 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:52,888 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:52,888 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:52,891 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:52,891 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:52,891 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:52,892 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:52,892 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:52,892 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:52,893 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:52,893 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:52,893 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:52,894 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:52,898 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:52,899 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:52,899 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:52,899 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:52,900 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:52,900 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:52,902 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:52,903 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:52,903 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:52,903 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:52,903 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:52,904 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:52,924 INFO L251 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-04-18 16:20:52,948 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-04-18 16:20:52,948 INFO L376 AbstractCegarLoop]: Hoare is true [2020-04-18 16:20:52,948 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-04-18 16:20:52,948 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-04-18 16:20:52,948 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-04-18 16:20:52,949 INFO L380 AbstractCegarLoop]: Difference is false [2020-04-18 16:20:52,950 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-04-18 16:20:52,950 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-04-18 16:20:52,965 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 50 places, 50 transitions, 110 flow [2020-04-18 16:20:53,047 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1203 states. [2020-04-18 16:20:53,050 INFO L276 IsEmpty]: Start isEmpty. Operand 1203 states. [2020-04-18 16:20:53,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-04-18 16:20:53,060 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 16:20:53,061 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 16:20:53,062 INFO L427 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-04-18 16:20:53,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 16:20:53,069 INFO L82 PathProgramCache]: Analyzing trace with hash 476412023, now seen corresponding path program 1 times [2020-04-18 16:20:53,077 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 16:20:53,077 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [2070006402] [2020-04-18 16:20:53,094 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 16:20:53,110 INFO L259 McrAutomatonBuilder]: Finished intersection with 19 states and 18 transitions. [2020-04-18 16:20:53,112 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2020-04-18 16:20:53,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-04-18 16:20:53,113 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 16:20:53,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 16:20:53,114 INFO L82 PathProgramCache]: Analyzing trace with hash 476412023, now seen corresponding path program 2 times [2020-04-18 16:20:53,118 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 16:20:53,119 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259570045] [2020-04-18 16:20:53,119 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 16:20:53,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 16:20:53,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 16:20:53,367 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259570045] [2020-04-18 16:20:53,368 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 16:20:53,368 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-04-18 16:20:53,370 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 16:20:53,372 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 16:20:53,381 INFO L259 McrAutomatonBuilder]: Finished intersection with 19 states and 18 transitions. [2020-04-18 16:20:53,382 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 16:20:53,402 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 16:20:53,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-04-18 16:20:53,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-04-18 16:20:53,409 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 4 states. [2020-04-18 16:20:53,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 16:20:53,449 INFO L93 Difference]: Finished difference Result 19 states and 18 transitions. [2020-04-18 16:20:53,450 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 18 transitions. [2020-04-18 16:20:53,450 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 16:20:53,451 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [2070006402] [2020-04-18 16:20:53,451 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 16:20:53,452 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2020-04-18 16:20:53,452 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [2070006402] [2020-04-18 16:20:53,454 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-04-18 16:20:53,454 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 16:20:53,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-04-18 16:20:53,459 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-04-18 16:20:53,459 INFO L87 Difference]: Start difference. First operand 1203 states. Second operand 4 states. [2020-04-18 16:20:53,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 16:20:53,501 INFO L93 Difference]: Finished difference Result 403 states and 1089 transitions. [2020-04-18 16:20:53,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-04-18 16:20:53,503 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 18 [2020-04-18 16:20:53,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 16:20:53,523 INFO L225 Difference]: With dead ends: 403 [2020-04-18 16:20:53,523 INFO L226 Difference]: Without dead ends: 403 [2020-04-18 16:20:53,525 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-04-18 16:20:53,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2020-04-18 16:20:53,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 403. [2020-04-18 16:20:53,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 403 states. [2020-04-18 16:20:53,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 1089 transitions. [2020-04-18 16:20:53,624 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 1089 transitions. Word has length 18 [2020-04-18 16:20:53,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 16:20:53,624 INFO L479 AbstractCegarLoop]: Abstraction has 403 states and 1089 transitions. [2020-04-18 16:20:53,624 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-04-18 16:20:53,625 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 1089 transitions. [2020-04-18 16:20:53,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-04-18 16:20:53,627 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 16:20:53,628 INFO L425 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 16:20:53,630 INFO L427 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-04-18 16:20:53,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 16:20:53,631 INFO L82 PathProgramCache]: Analyzing trace with hash 1386298469, now seen corresponding path program 1 times [2020-04-18 16:20:53,631 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 16:20:53,631 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [454796634] [2020-04-18 16:20:53,633 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 16:20:53,634 INFO L259 McrAutomatonBuilder]: Finished intersection with 22 states and 21 transitions. [2020-04-18 16:20:53,635 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2020-04-18 16:20:53,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-04-18 16:20:53,635 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 16:20:53,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 16:20:53,636 INFO L82 PathProgramCache]: Analyzing trace with hash 1386298469, now seen corresponding path program 2 times [2020-04-18 16:20:53,636 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 16:20:53,637 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139113757] [2020-04-18 16:20:53,637 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 16:20:53,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-04-18 16:20:53,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-04-18 16:20:53,743 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-04-18 16:20:53,744 INFO L174 FreeRefinementEngine]: Strategy MCR found a feasible trace [2020-04-18 16:20:53,744 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-04-18 16:20:53,745 WARN L363 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2020-04-18 16:20:53,746 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2020-04-18 16:20:53,764 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:53,765 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:53,765 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:53,765 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:53,765 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:53,766 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:53,766 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:53,767 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:53,767 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:53,768 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:53,768 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:53,768 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:53,768 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:53,768 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:53,769 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:53,769 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:53,769 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:53,769 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:53,769 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:53,770 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:53,775 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:53,776 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:53,776 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:53,776 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:53,776 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:53,777 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:53,777 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:53,777 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:53,777 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:53,778 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:53,778 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:53,778 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:53,778 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:53,778 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:53,779 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:53,779 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:53,779 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:53,779 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:53,780 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:53,780 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:53,780 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:53,781 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:53,781 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:53,782 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:53,783 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:53,783 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:53,785 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:53,786 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:53,786 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:53,786 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:53,786 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:53,786 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:53,789 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:53,789 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:53,791 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:53,792 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:53,792 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:53,792 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:53,796 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:53,797 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:53,797 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:53,797 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:53,797 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:53,798 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:53,800 INFO L251 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-04-18 16:20:53,800 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-04-18 16:20:53,800 INFO L376 AbstractCegarLoop]: Hoare is true [2020-04-18 16:20:53,800 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-04-18 16:20:53,800 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-04-18 16:20:53,801 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-04-18 16:20:53,801 INFO L380 AbstractCegarLoop]: Difference is false [2020-04-18 16:20:53,801 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-04-18 16:20:53,801 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-04-18 16:20:53,806 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 75 places, 76 transitions, 176 flow [2020-04-18 16:20:54,861 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 13193 states. [2020-04-18 16:20:54,862 INFO L276 IsEmpty]: Start isEmpty. Operand 13193 states. [2020-04-18 16:20:54,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-04-18 16:20:54,864 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 16:20:54,864 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 16:20:54,865 INFO L427 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 16:20:54,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 16:20:54,865 INFO L82 PathProgramCache]: Analyzing trace with hash 782250634, now seen corresponding path program 1 times [2020-04-18 16:20:54,865 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 16:20:54,866 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [2073511334] [2020-04-18 16:20:54,866 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 16:20:54,867 INFO L259 McrAutomatonBuilder]: Finished intersection with 19 states and 18 transitions. [2020-04-18 16:20:54,867 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2020-04-18 16:20:54,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-04-18 16:20:54,871 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 16:20:54,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 16:20:54,872 INFO L82 PathProgramCache]: Analyzing trace with hash 782250634, now seen corresponding path program 2 times [2020-04-18 16:20:54,872 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 16:20:54,873 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109171280] [2020-04-18 16:20:54,873 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 16:20:54,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 16:20:54,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 16:20:54,958 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109171280] [2020-04-18 16:20:54,958 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 16:20:54,958 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-04-18 16:20:54,959 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 16:20:54,961 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 16:20:54,963 INFO L259 McrAutomatonBuilder]: Finished intersection with 19 states and 18 transitions. [2020-04-18 16:20:54,963 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 16:20:54,987 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 16:20:54,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-04-18 16:20:54,988 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-04-18 16:20:54,988 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 4 states. [2020-04-18 16:20:55,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 16:20:55,018 INFO L93 Difference]: Finished difference Result 19 states and 18 transitions. [2020-04-18 16:20:55,018 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 18 transitions. [2020-04-18 16:20:55,018 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 16:20:55,018 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [2073511334] [2020-04-18 16:20:55,019 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 16:20:55,019 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2020-04-18 16:20:55,019 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [2073511334] [2020-04-18 16:20:55,019 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-04-18 16:20:55,019 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 16:20:55,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-04-18 16:20:55,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-04-18 16:20:55,020 INFO L87 Difference]: Start difference. First operand 13193 states. Second operand 4 states. [2020-04-18 16:20:55,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 16:20:55,154 INFO L93 Difference]: Finished difference Result 3159 states and 11695 transitions. [2020-04-18 16:20:55,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-04-18 16:20:55,155 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 18 [2020-04-18 16:20:55,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 16:20:55,188 INFO L225 Difference]: With dead ends: 3159 [2020-04-18 16:20:55,188 INFO L226 Difference]: Without dead ends: 3159 [2020-04-18 16:20:55,189 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-04-18 16:20:55,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3159 states. [2020-04-18 16:20:55,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3159 to 3159. [2020-04-18 16:20:55,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3159 states. [2020-04-18 16:20:55,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3159 states to 3159 states and 11695 transitions. [2020-04-18 16:20:55,353 INFO L78 Accepts]: Start accepts. Automaton has 3159 states and 11695 transitions. Word has length 18 [2020-04-18 16:20:55,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 16:20:55,354 INFO L479 AbstractCegarLoop]: Abstraction has 3159 states and 11695 transitions. [2020-04-18 16:20:55,354 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-04-18 16:20:55,354 INFO L276 IsEmpty]: Start isEmpty. Operand 3159 states and 11695 transitions. [2020-04-18 16:20:55,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-04-18 16:20:55,356 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 16:20:55,356 INFO L425 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 16:20:55,356 INFO L427 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 16:20:55,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 16:20:55,357 INFO L82 PathProgramCache]: Analyzing trace with hash 476472887, now seen corresponding path program 1 times [2020-04-18 16:20:55,357 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 16:20:55,357 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [1013181558] [2020-04-18 16:20:55,358 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 16:20:55,360 INFO L259 McrAutomatonBuilder]: Finished intersection with 26 states and 25 transitions. [2020-04-18 16:20:55,360 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states. [2020-04-18 16:20:55,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-04-18 16:20:55,361 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 16:20:55,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 16:20:55,362 INFO L82 PathProgramCache]: Analyzing trace with hash 476472887, now seen corresponding path program 2 times [2020-04-18 16:20:55,362 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 16:20:55,362 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760567327] [2020-04-18 16:20:55,363 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 16:20:55,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-04-18 16:20:55,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-04-18 16:20:55,427 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-04-18 16:20:55,428 INFO L174 FreeRefinementEngine]: Strategy MCR found a feasible trace [2020-04-18 16:20:55,428 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-04-18 16:20:55,428 WARN L363 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2020-04-18 16:20:55,431 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2020-04-18 16:20:55,448 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,448 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,449 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,449 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,449 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,449 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,449 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,450 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,450 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,450 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,450 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,451 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,451 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,451 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,451 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,451 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,451 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,452 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,452 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,452 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,452 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,452 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,453 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,453 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,453 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,453 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,453 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,453 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,454 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,454 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,455 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,455 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,456 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,456 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,456 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,456 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,456 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,456 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,457 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,457 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,458 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,458 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,458 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,458 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,458 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,459 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,459 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,459 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,459 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,459 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,461 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,461 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,461 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,461 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,461 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,462 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,462 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,462 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,462 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,462 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,463 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,463 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,464 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,464 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,464 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,464 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,466 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,471 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,471 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,471 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,471 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,472 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,477 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,477 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,478 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,478 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,478 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,478 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,482 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,483 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,483 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,483 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,483 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,483 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,485 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,485 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,485 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,485 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,485 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,486 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,488 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,488 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,489 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,489 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,489 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,489 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,491 INFO L251 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-04-18 16:20:55,491 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-04-18 16:20:55,491 INFO L376 AbstractCegarLoop]: Hoare is true [2020-04-18 16:20:55,492 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-04-18 16:20:55,492 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-04-18 16:20:55,492 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-04-18 16:20:55,492 INFO L380 AbstractCegarLoop]: Difference is false [2020-04-18 16:20:55,492 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-04-18 16:20:55,492 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-04-18 16:20:55,497 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 100 places, 102 transitions, 246 flow [2020-04-18 16:22:01,953 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 145083 states. [2020-04-18 16:22:01,953 INFO L276 IsEmpty]: Start isEmpty. Operand 145083 states. [2020-04-18 16:22:01,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-04-18 16:22:01,954 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 16:22:01,954 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 16:22:01,954 INFO L427 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 16:22:01,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 16:22:01,955 INFO L82 PathProgramCache]: Analyzing trace with hash 2085652201, now seen corresponding path program 1 times [2020-04-18 16:22:01,955 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 16:22:01,955 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [1693012676] [2020-04-18 16:22:01,956 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 16:22:01,957 INFO L259 McrAutomatonBuilder]: Finished intersection with 19 states and 18 transitions. [2020-04-18 16:22:01,963 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2020-04-18 16:22:01,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-04-18 16:22:01,964 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 16:22:01,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 16:22:01,965 INFO L82 PathProgramCache]: Analyzing trace with hash 2085652201, now seen corresponding path program 2 times [2020-04-18 16:22:01,965 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 16:22:01,965 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8329917] [2020-04-18 16:22:01,965 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 16:22:01,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 16:22:02,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 16:22:02,030 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8329917] [2020-04-18 16:22:02,030 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 16:22:02,031 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-04-18 16:22:02,031 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 16:22:02,032 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 16:22:02,033 INFO L259 McrAutomatonBuilder]: Finished intersection with 19 states and 18 transitions. [2020-04-18 16:22:02,033 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 16:22:02,044 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 16:22:02,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-04-18 16:22:02,047 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-04-18 16:22:02,047 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 4 states. [2020-04-18 16:22:02,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 16:22:02,059 INFO L93 Difference]: Finished difference Result 19 states and 18 transitions. [2020-04-18 16:22:02,059 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 18 transitions. [2020-04-18 16:22:02,060 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 16:22:02,060 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [1693012676] [2020-04-18 16:22:02,060 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 16:22:02,061 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2020-04-18 16:22:02,061 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [1693012676] [2020-04-18 16:22:02,061 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-04-18 16:22:02,061 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 16:22:02,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-04-18 16:22:02,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-04-18 16:22:02,062 INFO L87 Difference]: Start difference. First operand 145083 states. Second operand 4 states. [2020-04-18 16:22:03,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 16:22:03,017 INFO L93 Difference]: Finished difference Result 23603 states and 110845 transitions. [2020-04-18 16:22:03,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-04-18 16:22:03,018 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 18 [2020-04-18 16:22:03,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 16:22:03,310 INFO L225 Difference]: With dead ends: 23603 [2020-04-18 16:22:03,310 INFO L226 Difference]: Without dead ends: 23603 [2020-04-18 16:22:03,311 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-04-18 16:22:04,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23603 states. [2020-04-18 16:22:04,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23603 to 23603. [2020-04-18 16:22:04,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23603 states. [2020-04-18 16:22:04,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23603 states to 23603 states and 110845 transitions. [2020-04-18 16:22:04,938 INFO L78 Accepts]: Start accepts. Automaton has 23603 states and 110845 transitions. Word has length 18 [2020-04-18 16:22:04,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 16:22:04,938 INFO L479 AbstractCegarLoop]: Abstraction has 23603 states and 110845 transitions. [2020-04-18 16:22:04,938 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-04-18 16:22:04,938 INFO L276 IsEmpty]: Start isEmpty. Operand 23603 states and 110845 transitions. [2020-04-18 16:22:04,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-04-18 16:22:04,941 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 16:22:04,942 INFO L425 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] [2020-04-18 16:22:04,942 INFO L427 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 16:22:04,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 16:22:04,942 INFO L82 PathProgramCache]: Analyzing trace with hash 1945360815, now seen corresponding path program 1 times [2020-04-18 16:22:04,943 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 16:22:04,943 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [134511717] [2020-04-18 16:22:04,944 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 16:22:04,946 INFO L259 McrAutomatonBuilder]: Finished intersection with 73 states and 117 transitions. [2020-04-18 16:22:04,947 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states. [2020-04-18 16:22:04,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-04-18 16:22:04,947 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 16:22:04,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 16:22:04,948 INFO L82 PathProgramCache]: Analyzing trace with hash 1945360815, now seen corresponding path program 2 times [2020-04-18 16:22:04,948 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 16:22:04,948 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017663349] [2020-04-18 16:22:04,948 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 16:22:04,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 16:22:05,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 16:22:05,025 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017663349] [2020-04-18 16:22:05,025 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 16:22:05,025 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-04-18 16:22:05,025 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 16:22:05,028 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 16:22:05,032 INFO L259 McrAutomatonBuilder]: Finished intersection with 46 states and 63 transitions. [2020-04-18 16:22:05,032 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 16:22:05,054 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 6 times. [2020-04-18 16:22:05,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-18 16:22:05,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 16:22:05,056 INFO L87 Difference]: Start difference. First operand 73 states. Second operand 3 states. [2020-04-18 16:22:05,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 16:22:05,061 INFO L93 Difference]: Finished difference Result 73 states and 117 transitions. [2020-04-18 16:22:05,061 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 117 transitions. [2020-04-18 16:22:05,062 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 16:22:05,062 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [134511717] [2020-04-18 16:22:05,062 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 16:22:05,063 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2020-04-18 16:22:05,063 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [134511717] [2020-04-18 16:22:05,063 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-04-18 16:22:05,063 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 16:22:05,064 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-18 16:22:05,064 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 16:22:05,064 INFO L87 Difference]: Start difference. First operand 23603 states and 110845 transitions. Second operand 3 states. [2020-04-18 16:22:05,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 16:22:05,210 INFO L93 Difference]: Finished difference Result 5561 states and 21324 transitions. [2020-04-18 16:22:05,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-04-18 16:22:05,211 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2020-04-18 16:22:05,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 16:22:05,236 INFO L225 Difference]: With dead ends: 5561 [2020-04-18 16:22:05,237 INFO L226 Difference]: Without dead ends: 5561 [2020-04-18 16:22:05,237 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 16:22:05,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5561 states. [2020-04-18 16:22:05,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5561 to 4583. [2020-04-18 16:22:05,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4583 states. [2020-04-18 16:22:05,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4583 states to 4583 states and 17702 transitions. [2020-04-18 16:22:05,451 INFO L78 Accepts]: Start accepts. Automaton has 4583 states and 17702 transitions. Word has length 27 [2020-04-18 16:22:05,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 16:22:05,451 INFO L479 AbstractCegarLoop]: Abstraction has 4583 states and 17702 transitions. [2020-04-18 16:22:05,451 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-04-18 16:22:05,452 INFO L276 IsEmpty]: Start isEmpty. Operand 4583 states and 17702 transitions. [2020-04-18 16:22:05,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-04-18 16:22:05,454 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 16:22:05,454 INFO L425 BasicCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 16:22:05,455 INFO L427 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 16:22:05,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 16:22:05,455 INFO L82 PathProgramCache]: Analyzing trace with hash -620631852, now seen corresponding path program 1 times [2020-04-18 16:22:05,455 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 16:22:05,456 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [979177576] [2020-04-18 16:22:05,456 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 16:22:05,458 INFO L259 McrAutomatonBuilder]: Finished intersection with 30 states and 29 transitions. [2020-04-18 16:22:05,459 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states. [2020-04-18 16:22:05,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-04-18 16:22:05,459 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 16:22:05,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 16:22:05,460 INFO L82 PathProgramCache]: Analyzing trace with hash -620631852, now seen corresponding path program 2 times [2020-04-18 16:22:05,460 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 16:22:05,460 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222666892] [2020-04-18 16:22:05,461 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 16:22:05,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-04-18 16:22:05,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-04-18 16:22:05,515 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-04-18 16:22:05,516 INFO L174 FreeRefinementEngine]: Strategy MCR found a feasible trace [2020-04-18 16:22:05,516 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-04-18 16:22:05,517 WARN L363 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2020-04-18 16:22:05,517 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2020-04-18 16:22:05,532 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,532 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,532 WARN L315 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,532 WARN L315 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,533 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,533 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,533 WARN L315 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,533 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,533 WARN L315 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,534 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,534 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,534 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,534 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,534 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,534 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,535 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,535 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,535 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,535 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,535 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,536 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,536 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,536 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,536 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,536 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,536 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,536 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,537 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,537 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,537 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,537 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,537 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,538 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,538 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,538 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,538 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,538 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,538 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,539 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,539 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,540 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,540 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,540 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,540 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,540 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,540 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,541 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,541 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,541 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,541 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,542 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,542 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,542 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,542 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,543 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,543 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,543 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,543 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,544 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,544 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,544 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,544 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,544 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,545 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,545 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,545 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,545 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,545 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,546 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,546 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,546 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,546 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,546 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,547 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,547 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,547 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,547 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,547 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,548 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,548 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,548 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,548 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,548 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,549 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,549 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,549 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,551 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,551 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,552 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,552 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,552 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,552 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,554 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,555 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,555 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,555 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,555 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,555 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,557 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,557 WARN L315 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,557 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,557 WARN L315 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,557 WARN L315 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,557 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,559 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,559 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,559 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,559 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,559 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,560 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,561 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,561 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,561 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,561 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,562 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,562 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,564 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,564 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,565 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,565 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,565 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,565 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,567 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,567 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,567 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,567 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,568 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,568 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:22:05,569 INFO L251 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-04-18 16:22:05,569 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-04-18 16:22:05,570 INFO L376 AbstractCegarLoop]: Hoare is true [2020-04-18 16:22:05,570 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-04-18 16:22:05,570 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-04-18 16:22:05,570 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-04-18 16:22:05,570 INFO L380 AbstractCegarLoop]: Difference is false [2020-04-18 16:22:05,570 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-04-18 16:22:05,570 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-04-18 16:22:05,573 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 125 places, 128 transitions, 320 flow Received shutdown request... [2020-04-18 16:25:19,858 WARN L544 AbstractCegarLoop]: Verification canceled [2020-04-18 16:25:19,863 WARN L228 ceAbstractionStarter]: Timeout [2020-04-18 16:25:19,863 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.04 04:25:19 BasicIcfg [2020-04-18 16:25:19,863 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-04-18 16:25:19,866 INFO L168 Benchmark]: Toolchain (without parser) took 268474.74 ms. Allocated memory was 136.8 MB in the beginning and 3.3 GB in the end (delta: 3.1 GB). Free memory was 100.3 MB in the beginning and 711.6 MB in the end (delta: -611.3 MB). Peak memory consumption was 2.8 GB. Max. memory is 7.1 GB. [2020-04-18 16:25:19,870 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 136.8 MB. Free memory was 120.0 MB in the beginning and 119.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-04-18 16:25:19,871 INFO L168 Benchmark]: CACSL2BoogieTranslator took 671.92 ms. Allocated memory was 136.8 MB in the beginning and 202.4 MB in the end (delta: 65.5 MB). Free memory was 98.3 MB in the beginning and 161.7 MB in the end (delta: -63.5 MB). Peak memory consumption was 26.5 MB. Max. memory is 7.1 GB. [2020-04-18 16:25:19,873 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.30 ms. Allocated memory is still 202.4 MB. Free memory was 161.7 MB in the beginning and 159.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2020-04-18 16:25:19,874 INFO L168 Benchmark]: Boogie Preprocessor took 32.23 ms. Allocated memory is still 202.4 MB. Free memory was 159.6 MB in the beginning and 157.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2020-04-18 16:25:19,874 INFO L168 Benchmark]: RCFGBuilder took 653.42 ms. Allocated memory is still 202.4 MB. Free memory was 157.6 MB in the beginning and 120.7 MB in the end (delta: 36.9 MB). Peak memory consumption was 36.9 MB. Max. memory is 7.1 GB. [2020-04-18 16:25:19,875 INFO L168 Benchmark]: TraceAbstraction took 267045.45 ms. Allocated memory was 202.4 MB in the beginning and 3.3 GB in the end (delta: 3.1 GB). Free memory was 120.0 MB in the beginning and 711.6 MB in the end (delta: -591.7 MB). Peak memory consumption was 2.7 GB. Max. memory is 7.1 GB. [2020-04-18 16:25:19,880 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 136.8 MB. Free memory was 120.0 MB in the beginning and 119.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 671.92 ms. Allocated memory was 136.8 MB in the beginning and 202.4 MB in the end (delta: 65.5 MB). Free memory was 98.3 MB in the beginning and 161.7 MB in the end (delta: -63.5 MB). Peak memory consumption was 26.5 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 50.30 ms. Allocated memory is still 202.4 MB. Free memory was 161.7 MB in the beginning and 159.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 32.23 ms. Allocated memory is still 202.4 MB. Free memory was 159.6 MB in the beginning and 157.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 653.42 ms. Allocated memory is still 202.4 MB. Free memory was 157.6 MB in the beginning and 120.7 MB in the end (delta: 36.9 MB). Peak memory consumption was 36.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 267045.45 ms. Allocated memory was 202.4 MB in the beginning and 3.3 GB in the end (delta: 3.1 GB). Free memory was 120.0 MB in the beginning and 711.6 MB in the end (delta: -591.7 MB). Peak memory consumption was 2.7 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 709]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 709). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 125 places, 128 transitions, 320 flow. Already constructed 321662 states. Currently 78248 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 44 locations, 1 error locations. Started 4 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 266.7s, OverallIterations: 7, TraceHistogramMax: 4, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 261.9s, HoareTripleCheckerStatistics: 178 SDtfs, 163 SDslu, 170 SDs, 0 SdLazy, 69 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 89 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=145083occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 978 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: No data available, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown