/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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/pthread/stack_longest-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c7e336b [2020-10-05 22:21:39,127 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-05 22:21:39,130 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-05 22:21:39,155 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-05 22:21:39,156 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-05 22:21:39,157 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-05 22:21:39,159 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-05 22:21:39,161 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-05 22:21:39,163 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-05 22:21:39,164 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-05 22:21:39,165 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-05 22:21:39,166 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-05 22:21:39,166 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-05 22:21:39,167 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-05 22:21:39,168 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-05 22:21:39,170 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-05 22:21:39,171 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-05 22:21:39,172 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-05 22:21:39,173 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-05 22:21:39,176 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-05 22:21:39,177 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-05 22:21:39,179 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-05 22:21:39,180 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-05 22:21:39,181 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-05 22:21:39,184 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-05 22:21:39,190 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-05 22:21:39,191 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-05 22:21:39,192 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-05 22:21:39,192 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-05 22:21:39,193 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-05 22:21:39,194 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-05 22:21:39,194 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-05 22:21:39,194 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-05 22:21:39,195 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-05 22:21:39,196 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-05 22:21:39,197 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-05 22:21:39,198 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-05 22:21:39,221 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-05 22:21:39,221 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-05 22:21:39,223 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-05 22:21:39,223 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-05 22:21:39,223 INFO L138 SettingsManager]: * Use SBE=true [2020-10-05 22:21:39,223 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-05 22:21:39,224 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-05 22:21:39,224 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-05 22:21:39,224 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-05 22:21:39,224 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-05 22:21:39,224 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-05 22:21:39,225 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-05 22:21:39,225 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-05 22:21:39,225 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-05 22:21:39,225 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-05 22:21:39,225 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-05 22:21:39,226 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-05 22:21:39,226 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-05 22:21:39,226 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-05 22:21:39,226 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-05 22:21:39,226 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-05 22:21:39,227 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-05 22:21:39,227 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-05 22:21:39,227 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-05 22:21:39,227 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-05 22:21:39,228 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-05 22:21:39,228 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-05 22:21:39,228 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-05 22:21:39,228 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-05 22:21:39,228 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-05 22:21:39,547 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-05 22:21:39,562 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-05 22:21:39,567 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-05 22:21:39,569 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-05 22:21:39,569 INFO L275 PluginConnector]: CDTParser initialized [2020-10-05 22:21:39,570 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/stack_longest-1.i [2020-10-05 22:21:39,636 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46eb7ccc9/ae5dbe8a77eb46f6b319dc0e101a9590/FLAG95b1d5fc0 [2020-10-05 22:21:40,252 INFO L306 CDTParser]: Found 1 translation units. [2020-10-05 22:21:40,253 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/stack_longest-1.i [2020-10-05 22:21:40,284 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46eb7ccc9/ae5dbe8a77eb46f6b319dc0e101a9590/FLAG95b1d5fc0 [2020-10-05 22:21:40,534 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46eb7ccc9/ae5dbe8a77eb46f6b319dc0e101a9590 [2020-10-05 22:21:40,545 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-05 22:21:40,547 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-05 22:21:40,548 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-05 22:21:40,549 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-05 22:21:40,552 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-05 22:21:40,554 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.10 10:21:40" (1/1) ... [2020-10-05 22:21:40,557 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e5874a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:21:40, skipping insertion in model container [2020-10-05 22:21:40,557 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.10 10:21:40" (1/1) ... [2020-10-05 22:21:40,566 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-05 22:21:40,616 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-05 22:21:41,223 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-05 22:21:41,240 INFO L203 MainTranslator]: Completed pre-run [2020-10-05 22:21:41,293 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-05 22:21:41,474 INFO L208 MainTranslator]: Completed translation [2020-10-05 22:21:41,476 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:21:41 WrapperNode [2020-10-05 22:21:41,476 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-05 22:21:41,478 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-05 22:21:41,479 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-05 22:21:41,479 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-05 22:21:41,491 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:21:41" (1/1) ... [2020-10-05 22:21:41,538 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:21:41" (1/1) ... [2020-10-05 22:21:41,572 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-05 22:21:41,572 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-05 22:21:41,573 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-05 22:21:41,573 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-05 22:21:41,584 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:21:41" (1/1) ... [2020-10-05 22:21:41,585 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:21:41" (1/1) ... [2020-10-05 22:21:41,589 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:21:41" (1/1) ... [2020-10-05 22:21:41,589 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:21:41" (1/1) ... [2020-10-05 22:21:41,599 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:21:41" (1/1) ... [2020-10-05 22:21:41,605 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:21:41" (1/1) ... [2020-10-05 22:21:41,608 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:21:41" (1/1) ... [2020-10-05 22:21:41,613 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-05 22:21:41,614 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-05 22:21:41,614 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-05 22:21:41,614 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-05 22:21:41,615 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:21:41" (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 [2020-10-05 22:21:41,688 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2020-10-05 22:21:41,688 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2020-10-05 22:21:41,688 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2020-10-05 22:21:41,688 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2020-10-05 22:21:41,689 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-05 22:21:41,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-05 22:21:41,689 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-05 22:21:41,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-05 22:21:41,690 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-10-05 22:21:41,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-05 22:21:41,690 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-05 22:21:41,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-05 22:21:41,693 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-05 22:21:42,253 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-05 22:21:42,253 INFO L298 CfgBuilder]: Removed 26 assume(true) statements. [2020-10-05 22:21:42,258 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.10 10:21:42 BoogieIcfgContainer [2020-10-05 22:21:42,258 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-05 22:21:42,263 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-05 22:21:42,263 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-05 22:21:42,267 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-05 22:21:42,267 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.10 10:21:40" (1/3) ... [2020-10-05 22:21:42,268 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@113ee208 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.10 10:21:42, skipping insertion in model container [2020-10-05 22:21:42,270 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:21:41" (2/3) ... [2020-10-05 22:21:42,270 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@113ee208 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.10 10:21:42, skipping insertion in model container [2020-10-05 22:21:42,271 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.10 10:21:42" (3/3) ... [2020-10-05 22:21:42,274 INFO L109 eAbstractionObserver]: Analyzing ICFG stack_longest-1.i [2020-10-05 22:21:42,287 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-05 22:21:42,287 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-05 22:21:42,298 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-05 22:21:42,299 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-05 22:21:42,354 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,356 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,356 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,357 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,357 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,357 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,358 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,358 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,358 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,358 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,359 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,359 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,359 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,360 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,377 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,378 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,378 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,378 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,378 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,378 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,379 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,379 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,379 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,379 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,379 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,379 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,380 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,380 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,380 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,380 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,380 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,380 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,380 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,381 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,381 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,381 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,382 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,383 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,384 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,384 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,385 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,385 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,388 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,390 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,390 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,390 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,390 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,391 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,391 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,391 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,391 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,392 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,392 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,392 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,392 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,392 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,393 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,393 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,393 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,393 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,394 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,394 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,394 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,394 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,394 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,394 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,395 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,395 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,398 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,398 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,399 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,399 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,399 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,399 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,400 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,400 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,401 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,401 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,402 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,402 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,403 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,403 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,404 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,404 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,404 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,405 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,406 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,406 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,406 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,406 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,407 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,407 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,407 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,407 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,407 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,407 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,408 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,408 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,408 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,408 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,409 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,410 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,411 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,414 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,415 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,415 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,416 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,424 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,424 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,424 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,424 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,425 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,425 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,427 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,427 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,427 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,427 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,428 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,428 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,428 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,428 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,428 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,429 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,429 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,429 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,429 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,429 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,430 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,430 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,430 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,430 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,430 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,431 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,445 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,445 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,446 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,446 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,446 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,446 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,446 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,446 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,447 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,447 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,448 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,449 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,449 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,450 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,450 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,450 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,450 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,450 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,451 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,451 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,451 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,451 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,451 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,461 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,461 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,462 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,462 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,462 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,462 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,462 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,462 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,462 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,463 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,463 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,463 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,463 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,463 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,463 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,464 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,464 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,464 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,464 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:21:42,488 INFO L251 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-10-05 22:21:42,513 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-05 22:21:42,513 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-05 22:21:42,513 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-05 22:21:42,513 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-05 22:21:42,513 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-05 22:21:42,514 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-05 22:21:42,514 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-05 22:21:42,514 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-05 22:21:42,534 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 140 places, 145 transitions, 312 flow [2020-10-05 22:21:42,536 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 140 places, 145 transitions, 312 flow [2020-10-05 22:21:42,621 INFO L129 PetriNetUnfolder]: 11/145 cut-off events. [2020-10-05 22:21:42,623 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-10-05 22:21:42,638 INFO L80 FinitePrefix]: Finished finitePrefix Result has 156 conditions, 145 events. 11/145 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 385 event pairs, 0 based on Foata normal form. 0/133 useless extension candidates. Maximal degree in co-relation 113. Up to 3 conditions per place. [2020-10-05 22:21:42,651 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 140 places, 145 transitions, 312 flow [2020-10-05 22:21:42,739 INFO L129 PetriNetUnfolder]: 11/145 cut-off events. [2020-10-05 22:21:42,739 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-10-05 22:21:42,743 INFO L80 FinitePrefix]: Finished finitePrefix Result has 156 conditions, 145 events. 11/145 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 385 event pairs, 0 based on Foata normal form. 0/133 useless extension candidates. Maximal degree in co-relation 113. Up to 3 conditions per place. [2020-10-05 22:21:42,752 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 6532 [2020-10-05 22:21:42,754 INFO L170 etLargeBlockEncoding]: Semantic Check. [2020-10-05 22:21:45,182 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 74 [2020-10-05 22:21:46,137 WARN L193 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 110 [2020-10-05 22:21:46,348 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-10-05 22:21:46,608 INFO L206 etLargeBlockEncoding]: Checked pairs total: 7856 [2020-10-05 22:21:46,608 INFO L214 etLargeBlockEncoding]: Total number of compositions: 125 [2020-10-05 22:21:46,612 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 40 places, 40 transitions, 102 flow [2020-10-05 22:21:46,656 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 335 states. [2020-10-05 22:21:46,659 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states. [2020-10-05 22:21:46,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-10-05 22:21:46,666 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 22:21:46,667 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-10-05 22:21:46,667 INFO L427 AbstractCegarLoop]: === Iteration 1 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 22:21:46,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 22:21:46,673 INFO L82 PathProgramCache]: Analyzing trace with hash 475987800, now seen corresponding path program 1 times [2020-10-05 22:21:46,684 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 22:21:46,684 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383244684] [2020-10-05 22:21:46,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 22:21:46,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 22:21:46,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 22:21:46,925 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383244684] [2020-10-05 22:21:46,926 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 22:21:46,926 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-05 22:21:46,926 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080812330] [2020-10-05 22:21:46,930 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-05 22:21:46,930 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 22:21:46,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-05 22:21:46,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-05 22:21:46,944 INFO L87 Difference]: Start difference. First operand 335 states. Second operand 3 states. [2020-10-05 22:21:47,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 22:21:47,064 INFO L93 Difference]: Finished difference Result 602 states and 1541 transitions. [2020-10-05 22:21:47,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-05 22:21:47,067 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2020-10-05 22:21:47,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 22:21:47,107 INFO L225 Difference]: With dead ends: 602 [2020-10-05 22:21:47,109 INFO L226 Difference]: Without dead ends: 580 [2020-10-05 22:21:47,115 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-05 22:21:47,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 580 states. [2020-10-05 22:21:47,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 580 to 427. [2020-10-05 22:21:47,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 427 states. [2020-10-05 22:21:47,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 1148 transitions. [2020-10-05 22:21:47,211 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 1148 transitions. Word has length 6 [2020-10-05 22:21:47,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 22:21:47,212 INFO L479 AbstractCegarLoop]: Abstraction has 427 states and 1148 transitions. [2020-10-05 22:21:47,212 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-05 22:21:47,212 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 1148 transitions. [2020-10-05 22:21:47,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-10-05 22:21:47,213 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 22:21:47,214 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 22:21:47,214 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-05 22:21:47,214 INFO L427 AbstractCegarLoop]: === Iteration 2 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 22:21:47,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 22:21:47,215 INFO L82 PathProgramCache]: Analyzing trace with hash 307066949, now seen corresponding path program 1 times [2020-10-05 22:21:47,215 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 22:21:47,215 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43132195] [2020-10-05 22:21:47,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 22:21:47,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 22:21:47,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 22:21:47,319 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43132195] [2020-10-05 22:21:47,319 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 22:21:47,320 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-05 22:21:47,320 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525070] [2020-10-05 22:21:47,323 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-05 22:21:47,323 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 22:21:47,323 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-05 22:21:47,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-05 22:21:47,324 INFO L87 Difference]: Start difference. First operand 427 states and 1148 transitions. Second operand 3 states. [2020-10-05 22:21:47,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 22:21:47,350 INFO L93 Difference]: Finished difference Result 530 states and 1370 transitions. [2020-10-05 22:21:47,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-05 22:21:47,351 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-10-05 22:21:47,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 22:21:47,357 INFO L225 Difference]: With dead ends: 530 [2020-10-05 22:21:47,358 INFO L226 Difference]: Without dead ends: 508 [2020-10-05 22:21:47,359 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-05 22:21:47,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 508 states. [2020-10-05 22:21:47,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 508 to 468. [2020-10-05 22:21:47,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 468 states. [2020-10-05 22:21:47,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 468 states and 1250 transitions. [2020-10-05 22:21:47,390 INFO L78 Accepts]: Start accepts. Automaton has 468 states and 1250 transitions. Word has length 8 [2020-10-05 22:21:47,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 22:21:47,391 INFO L479 AbstractCegarLoop]: Abstraction has 468 states and 1250 transitions. [2020-10-05 22:21:47,391 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-05 22:21:47,391 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 1250 transitions. [2020-10-05 22:21:47,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-05 22:21:47,392 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 22:21:47,392 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 22:21:47,393 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-05 22:21:47,393 INFO L427 AbstractCegarLoop]: === Iteration 3 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 22:21:47,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 22:21:47,393 INFO L82 PathProgramCache]: Analyzing trace with hash -941555270, now seen corresponding path program 1 times [2020-10-05 22:21:47,394 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 22:21:47,394 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305167817] [2020-10-05 22:21:47,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 22:21:47,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 22:21:47,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 22:21:47,468 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305167817] [2020-10-05 22:21:47,469 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 22:21:47,469 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-05 22:21:47,469 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881703702] [2020-10-05 22:21:47,470 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-05 22:21:47,472 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 22:21:47,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-05 22:21:47,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-05 22:21:47,472 INFO L87 Difference]: Start difference. First operand 468 states and 1250 transitions. Second operand 3 states. [2020-10-05 22:21:47,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 22:21:47,497 INFO L93 Difference]: Finished difference Result 504 states and 1343 transitions. [2020-10-05 22:21:47,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-05 22:21:47,498 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2020-10-05 22:21:47,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 22:21:47,503 INFO L225 Difference]: With dead ends: 504 [2020-10-05 22:21:47,503 INFO L226 Difference]: Without dead ends: 504 [2020-10-05 22:21:47,503 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-05 22:21:47,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 504 states. [2020-10-05 22:21:47,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 504 to 504. [2020-10-05 22:21:47,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 504 states. [2020-10-05 22:21:47,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 504 states and 1343 transitions. [2020-10-05 22:21:47,529 INFO L78 Accepts]: Start accepts. Automaton has 504 states and 1343 transitions. Word has length 10 [2020-10-05 22:21:47,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 22:21:47,530 INFO L479 AbstractCegarLoop]: Abstraction has 504 states and 1343 transitions. [2020-10-05 22:21:47,530 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-05 22:21:47,530 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 1343 transitions. [2020-10-05 22:21:47,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-05 22:21:47,532 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 22:21:47,532 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 22:21:47,533 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-05 22:21:47,533 INFO L427 AbstractCegarLoop]: === Iteration 4 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 22:21:47,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 22:21:47,533 INFO L82 PathProgramCache]: Analyzing trace with hash 184198130, now seen corresponding path program 1 times [2020-10-05 22:21:47,534 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 22:21:47,534 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690678767] [2020-10-05 22:21:47,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 22:21:47,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 22:21:47,613 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 22:21:47,614 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690678767] [2020-10-05 22:21:47,614 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1188004598] [2020-10-05 22:21:47,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-05 22:21:47,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 22:21:47,725 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-05 22:21:47,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-05 22:21:47,767 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 22:21:47,768 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-05 22:21:47,768 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2020-10-05 22:21:47,768 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814396923] [2020-10-05 22:21:47,769 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-05 22:21:47,769 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 22:21:47,769 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-05 22:21:47,769 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-05 22:21:47,770 INFO L87 Difference]: Start difference. First operand 504 states and 1343 transitions. Second operand 7 states. [2020-10-05 22:21:47,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 22:21:47,910 INFO L93 Difference]: Finished difference Result 940 states and 2424 transitions. [2020-10-05 22:21:47,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-05 22:21:47,911 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 14 [2020-10-05 22:21:47,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 22:21:47,917 INFO L225 Difference]: With dead ends: 940 [2020-10-05 22:21:47,918 INFO L226 Difference]: Without dead ends: 940 [2020-10-05 22:21:47,918 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-05 22:21:47,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 940 states. [2020-10-05 22:21:47,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 940 to 688. [2020-10-05 22:21:47,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 688 states. [2020-10-05 22:21:47,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 688 states and 1842 transitions. [2020-10-05 22:21:47,945 INFO L78 Accepts]: Start accepts. Automaton has 688 states and 1842 transitions. Word has length 14 [2020-10-05 22:21:47,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 22:21:47,947 INFO L479 AbstractCegarLoop]: Abstraction has 688 states and 1842 transitions. [2020-10-05 22:21:47,947 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-05 22:21:47,947 INFO L276 IsEmpty]: Start isEmpty. Operand 688 states and 1842 transitions. [2020-10-05 22:21:47,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-05 22:21:47,955 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 22:21:47,955 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 22:21:48,170 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-05 22:21:48,171 INFO L427 AbstractCegarLoop]: === Iteration 5 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 22:21:48,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 22:21:48,172 INFO L82 PathProgramCache]: Analyzing trace with hash -1859541019, now seen corresponding path program 1 times [2020-10-05 22:21:48,172 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 22:21:48,173 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067705552] [2020-10-05 22:21:48,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 22:21:48,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 22:21:48,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 22:21:48,241 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067705552] [2020-10-05 22:21:48,242 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 22:21:48,242 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-05 22:21:48,242 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216056758] [2020-10-05 22:21:48,242 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-05 22:21:48,243 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 22:21:48,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-05 22:21:48,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-05 22:21:48,243 INFO L87 Difference]: Start difference. First operand 688 states and 1842 transitions. Second operand 4 states. [2020-10-05 22:21:48,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 22:21:48,282 INFO L93 Difference]: Finished difference Result 343 states and 775 transitions. [2020-10-05 22:21:48,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-05 22:21:48,283 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2020-10-05 22:21:48,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 22:21:48,285 INFO L225 Difference]: With dead ends: 343 [2020-10-05 22:21:48,285 INFO L226 Difference]: Without dead ends: 339 [2020-10-05 22:21:48,286 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-05 22:21:48,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2020-10-05 22:21:48,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 313. [2020-10-05 22:21:48,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 313 states. [2020-10-05 22:21:48,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 700 transitions. [2020-10-05 22:21:48,296 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 700 transitions. Word has length 16 [2020-10-05 22:21:48,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 22:21:48,297 INFO L479 AbstractCegarLoop]: Abstraction has 313 states and 700 transitions. [2020-10-05 22:21:48,297 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-05 22:21:48,297 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 700 transitions. [2020-10-05 22:21:48,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-05 22:21:48,298 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 22:21:48,298 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 22:21:48,298 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-05 22:21:48,298 INFO L427 AbstractCegarLoop]: === Iteration 6 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 22:21:48,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 22:21:48,299 INFO L82 PathProgramCache]: Analyzing trace with hash 1794318204, now seen corresponding path program 1 times [2020-10-05 22:21:48,299 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 22:21:48,299 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104351559] [2020-10-05 22:21:48,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 22:21:48,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 22:21:48,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 22:21:48,372 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1104351559] [2020-10-05 22:21:48,372 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 22:21:48,372 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-05 22:21:48,373 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699882711] [2020-10-05 22:21:48,373 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-05 22:21:48,373 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 22:21:48,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-05 22:21:48,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-05 22:21:48,374 INFO L87 Difference]: Start difference. First operand 313 states and 700 transitions. Second operand 5 states. [2020-10-05 22:21:48,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 22:21:48,444 INFO L93 Difference]: Finished difference Result 473 states and 1056 transitions. [2020-10-05 22:21:48,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-05 22:21:48,444 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2020-10-05 22:21:48,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 22:21:48,447 INFO L225 Difference]: With dead ends: 473 [2020-10-05 22:21:48,447 INFO L226 Difference]: Without dead ends: 473 [2020-10-05 22:21:48,448 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-05 22:21:48,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2020-10-05 22:21:48,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 351. [2020-10-05 22:21:48,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 351 states. [2020-10-05 22:21:48,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 791 transitions. [2020-10-05 22:21:48,461 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 791 transitions. Word has length 17 [2020-10-05 22:21:48,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 22:21:48,462 INFO L479 AbstractCegarLoop]: Abstraction has 351 states and 791 transitions. [2020-10-05 22:21:48,462 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-05 22:21:48,462 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 791 transitions. [2020-10-05 22:21:48,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-05 22:21:48,464 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 22:21:48,464 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 22:21:48,464 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-05 22:21:48,464 INFO L427 AbstractCegarLoop]: === Iteration 7 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 22:21:48,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 22:21:48,465 INFO L82 PathProgramCache]: Analyzing trace with hash 1963207549, now seen corresponding path program 1 times [2020-10-05 22:21:48,465 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 22:21:48,465 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567635188] [2020-10-05 22:21:48,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 22:21:48,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 22:21:48,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 22:21:48,908 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567635188] [2020-10-05 22:21:48,908 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 22:21:48,908 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-05 22:21:48,909 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531335438] [2020-10-05 22:21:48,910 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-05 22:21:48,910 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 22:21:48,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-05 22:21:48,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-05 22:21:48,911 INFO L87 Difference]: Start difference. First operand 351 states and 791 transitions. Second operand 9 states. [2020-10-05 22:21:49,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 22:21:49,317 INFO L93 Difference]: Finished difference Result 653 states and 1454 transitions. [2020-10-05 22:21:49,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-05 22:21:49,318 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2020-10-05 22:21:49,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 22:21:49,322 INFO L225 Difference]: With dead ends: 653 [2020-10-05 22:21:49,322 INFO L226 Difference]: Without dead ends: 653 [2020-10-05 22:21:49,322 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2020-10-05 22:21:49,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 653 states. [2020-10-05 22:21:49,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 653 to 484. [2020-10-05 22:21:49,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 484 states. [2020-10-05 22:21:49,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 484 states and 1129 transitions. [2020-10-05 22:21:49,341 INFO L78 Accepts]: Start accepts. Automaton has 484 states and 1129 transitions. Word has length 21 [2020-10-05 22:21:49,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 22:21:49,341 INFO L479 AbstractCegarLoop]: Abstraction has 484 states and 1129 transitions. [2020-10-05 22:21:49,341 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-05 22:21:49,342 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 1129 transitions. [2020-10-05 22:21:49,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-05 22:21:49,343 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 22:21:49,343 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 22:21:49,344 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-05 22:21:49,344 INFO L427 AbstractCegarLoop]: === Iteration 8 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 22:21:49,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 22:21:49,371 INFO L82 PathProgramCache]: Analyzing trace with hash 1358260699, now seen corresponding path program 2 times [2020-10-05 22:21:49,372 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 22:21:49,372 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107120894] [2020-10-05 22:21:49,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 22:21:49,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 22:21:49,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 22:21:49,647 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107120894] [2020-10-05 22:21:49,648 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 22:21:49,648 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-05 22:21:49,648 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720095710] [2020-10-05 22:21:49,649 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-05 22:21:49,649 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 22:21:49,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-05 22:21:49,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-05 22:21:49,650 INFO L87 Difference]: Start difference. First operand 484 states and 1129 transitions. Second operand 9 states. [2020-10-05 22:21:50,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 22:21:50,036 INFO L93 Difference]: Finished difference Result 779 states and 1769 transitions. [2020-10-05 22:21:50,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-05 22:21:50,037 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2020-10-05 22:21:50,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 22:21:50,042 INFO L225 Difference]: With dead ends: 779 [2020-10-05 22:21:50,042 INFO L226 Difference]: Without dead ends: 779 [2020-10-05 22:21:50,043 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2020-10-05 22:21:50,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 779 states. [2020-10-05 22:21:50,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 779 to 470. [2020-10-05 22:21:50,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 470 states. [2020-10-05 22:21:50,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 470 states and 1092 transitions. [2020-10-05 22:21:50,060 INFO L78 Accepts]: Start accepts. Automaton has 470 states and 1092 transitions. Word has length 21 [2020-10-05 22:21:50,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 22:21:50,060 INFO L479 AbstractCegarLoop]: Abstraction has 470 states and 1092 transitions. [2020-10-05 22:21:50,060 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-05 22:21:50,061 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 1092 transitions. [2020-10-05 22:21:50,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-05 22:21:50,062 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 22:21:50,062 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2020-10-05 22:21:50,062 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-05 22:21:50,062 INFO L427 AbstractCegarLoop]: === Iteration 9 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 22:21:50,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 22:21:50,063 INFO L82 PathProgramCache]: Analyzing trace with hash 920456844, now seen corresponding path program 2 times [2020-10-05 22:21:50,063 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 22:21:50,063 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784616671] [2020-10-05 22:21:50,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 22:21:50,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 22:21:50,131 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 22:21:50,131 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784616671] [2020-10-05 22:21:50,131 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1001876479] [2020-10-05 22:21:50,132 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-05 22:21:50,224 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-10-05 22:21:50,224 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-05 22:21:50,226 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-05 22:21:50,228 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-05 22:21:50,256 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 22:21:50,256 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-05 22:21:50,256 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2020-10-05 22:21:50,257 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007691599] [2020-10-05 22:21:50,257 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-05 22:21:50,258 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 22:21:50,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-05 22:21:50,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-10-05 22:21:50,258 INFO L87 Difference]: Start difference. First operand 470 states and 1092 transitions. Second operand 9 states. [2020-10-05 22:21:50,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 22:21:50,350 INFO L93 Difference]: Finished difference Result 778 states and 1761 transitions. [2020-10-05 22:21:50,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-05 22:21:50,351 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 22 [2020-10-05 22:21:50,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 22:21:50,356 INFO L225 Difference]: With dead ends: 778 [2020-10-05 22:21:50,356 INFO L226 Difference]: Without dead ends: 778 [2020-10-05 22:21:50,357 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2020-10-05 22:21:50,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 778 states. [2020-10-05 22:21:50,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 778 to 560. [2020-10-05 22:21:50,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-10-05 22:21:50,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 1291 transitions. [2020-10-05 22:21:50,376 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 1291 transitions. Word has length 22 [2020-10-05 22:21:50,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 22:21:50,376 INFO L479 AbstractCegarLoop]: Abstraction has 560 states and 1291 transitions. [2020-10-05 22:21:50,376 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-05 22:21:50,376 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 1291 transitions. [2020-10-05 22:21:50,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-05 22:21:50,378 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 22:21:50,378 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 22:21:50,591 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-05 22:21:50,592 INFO L427 AbstractCegarLoop]: === Iteration 10 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 22:21:50,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 22:21:50,592 INFO L82 PathProgramCache]: Analyzing trace with hash 1348112131, now seen corresponding path program 1 times [2020-10-05 22:21:50,593 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 22:21:50,593 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104216108] [2020-10-05 22:21:50,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 22:21:50,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-05 22:21:50,647 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-05 22:21:50,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-05 22:21:50,683 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-05 22:21:50,714 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-05 22:21:50,714 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-05 22:21:50,714 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-05 22:21:50,715 WARN L633 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-05 22:21:50,716 WARN L633 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-05 22:21:50,716 WARN L633 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-05 22:21:50,722 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [558] [558] L3-->L977-1: Formula: (and (= |~#arr~0.base_In-1960007693| |t1Thread1of1ForFork0_push_#in~stack.base_Out-1960007693|) (= |~#arr~0.offset_In-1960007693| |t1Thread1of1ForFork0_push_#in~stack.offset_Out-1960007693|) (= |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond_In-1960007693| t1Thread1of1ForFork0_assume_abort_if_not_~cond_Out-1960007693) (let ((.cse0 (mod t1Thread1of1ForFork0_~tmp~0_In-1960007693 4294967296))) (let ((.cse1 (<= .cse0 2147483647))) (or (and (= .cse0 |t1Thread1of1ForFork0_push_#in~x_Out-1960007693|) .cse1) (and (not .cse1) (= (+ .cse0 (- 4294967296)) |t1Thread1of1ForFork0_push_#in~x_Out-1960007693|))))) (not (= t1Thread1of1ForFork0_assume_abort_if_not_~cond_Out-1960007693 0))) InVars {~#arr~0.offset=|~#arr~0.offset_In-1960007693|, t1Thread1of1ForFork0_~tmp~0=t1Thread1of1ForFork0_~tmp~0_In-1960007693, t1Thread1of1ForFork0_assume_abort_if_not_#in~cond=|t1Thread1of1ForFork0_assume_abort_if_not_#in~cond_In-1960007693|, ~#arr~0.base=|~#arr~0.base_In-1960007693|} OutVars{~#arr~0.offset=|~#arr~0.offset_In-1960007693|, t1Thread1of1ForFork0_push_#in~x=|t1Thread1of1ForFork0_push_#in~x_Out-1960007693|, t1Thread1of1ForFork0_assume_abort_if_not_~cond=t1Thread1of1ForFork0_assume_abort_if_not_~cond_Out-1960007693, t1Thread1of1ForFork0_push_#in~stack.base=|t1Thread1of1ForFork0_push_#in~stack.base_Out-1960007693|, t1Thread1of1ForFork0_~tmp~0=t1Thread1of1ForFork0_~tmp~0_In-1960007693, t1Thread1of1ForFork0_push_#res=|t1Thread1of1ForFork0_push_#res_Out-1960007693|, t1Thread1of1ForFork0_assume_abort_if_not_#in~cond=|t1Thread1of1ForFork0_assume_abort_if_not_#in~cond_In-1960007693|, t1Thread1of1ForFork0_push_#in~stack.offset=|t1Thread1of1ForFork0_push_#in~stack.offset_Out-1960007693|, ~#arr~0.base=|~#arr~0.base_In-1960007693|} AuxVars[] AssignedVars[t1Thread1of1ForFork0_push_#in~x, t1Thread1of1ForFork0_assume_abort_if_not_~cond, t1Thread1of1ForFork0_push_#in~stack.base, t1Thread1of1ForFork0_push_#res, t1Thread1of1ForFork0_push_#in~stack.offset] because there is no mapped edge [2020-10-05 22:21:50,727 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [559] [559] L977-2-->L980: Formula: (and (<= |t1Thread1of1ForFork0_#t~ret44_In-1838423540| 2147483647) (= 1 ~flag~0_Out-1838423540) (<= 0 (+ |t1Thread1of1ForFork0_#t~ret44_In-1838423540| 2147483648)) (not (= (- 1) |t1Thread1of1ForFork0_#t~ret44_In-1838423540|))) InVars {t1Thread1of1ForFork0_#t~ret44=|t1Thread1of1ForFork0_#t~ret44_In-1838423540|} OutVars{t1Thread1of1ForFork0_#t~ret44=|t1Thread1of1ForFork0_#t~ret44_Out-1838423540|, ~flag~0=~flag~0_Out-1838423540} AuxVars[] AssignedVars[t1Thread1of1ForFork0_#t~ret44, ~flag~0] because there is no mapped edge [2020-10-05 22:21:50,732 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [570] [570] L992-4-->L987-6: Formula: (and (= (store |#pthreadsMutex_In-1274345753| |~#m~0.base_In-1274345753| (store (select |#pthreadsMutex_In-1274345753| |~#m~0.base_In-1274345753|) |~#m~0.offset_In-1274345753| 0)) |#pthreadsMutex_Out-1274345753|) (not (= (- 2) |t2Thread1of1ForFork1_#t~ret47_In-1274345753|)) (= t2Thread1of1ForFork1_~i~1_Out-1274345753 (+ t2Thread1of1ForFork1_~i~1_In-1274345753 1))) InVars {#pthreadsMutex=|#pthreadsMutex_In-1274345753|, ~#m~0.base=|~#m~0.base_In-1274345753|, t2Thread1of1ForFork1_#t~ret47=|t2Thread1of1ForFork1_#t~ret47_In-1274345753|, ~#m~0.offset=|~#m~0.offset_In-1274345753|, t2Thread1of1ForFork1_~i~1=t2Thread1of1ForFork1_~i~1_In-1274345753} OutVars{#pthreadsMutex=|#pthreadsMutex_Out-1274345753|, t2Thread1of1ForFork1_#t~ret47=|t2Thread1of1ForFork1_#t~ret47_Out-1274345753|, ~#m~0.base=|~#m~0.base_In-1274345753|, ~#m~0.offset=|~#m~0.offset_In-1274345753|, t2Thread1of1ForFork1_#t~post45=|t2Thread1of1ForFork1_#t~post45_Out-1274345753|, t2Thread1of1ForFork1_~i~1=t2Thread1of1ForFork1_~i~1_Out-1274345753} AuxVars[] AssignedVars[#pthreadsMutex, t2Thread1of1ForFork1_#t~ret47, t2Thread1of1ForFork1_#t~post45, t2Thread1of1ForFork1_~i~1] because there is no mapped edge [2020-10-05 22:21:50,778 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.10 10:21:50 BasicIcfg [2020-10-05 22:21:50,778 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-05 22:21:50,781 INFO L168 Benchmark]: Toolchain (without parser) took 10233.31 ms. Allocated memory was 138.9 MB in the beginning and 325.1 MB in the end (delta: 186.1 MB). Free memory was 100.4 MB in the beginning and 123.9 MB in the end (delta: -23.5 MB). Peak memory consumption was 162.6 MB. Max. memory is 7.1 GB. [2020-10-05 22:21:50,782 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 138.9 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-05 22:21:50,782 INFO L168 Benchmark]: CACSL2BoogieTranslator took 928.47 ms. Allocated memory was 138.9 MB in the beginning and 201.9 MB in the end (delta: 62.9 MB). Free memory was 100.2 MB in the beginning and 132.5 MB in the end (delta: -32.3 MB). Peak memory consumption was 35.8 MB. Max. memory is 7.1 GB. [2020-10-05 22:21:50,783 INFO L168 Benchmark]: Boogie Procedure Inliner took 93.84 ms. Allocated memory is still 201.9 MB. Free memory was 132.5 MB in the beginning and 129.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2020-10-05 22:21:50,784 INFO L168 Benchmark]: Boogie Preprocessor took 40.96 ms. Allocated memory is still 201.9 MB. Free memory was 129.8 MB in the beginning and 127.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-10-05 22:21:50,785 INFO L168 Benchmark]: RCFGBuilder took 644.93 ms. Allocated memory is still 201.9 MB. Free memory was 127.8 MB in the beginning and 94.6 MB in the end (delta: 33.1 MB). Peak memory consumption was 33.1 MB. Max. memory is 7.1 GB. [2020-10-05 22:21:50,786 INFO L168 Benchmark]: TraceAbstraction took 8515.85 ms. Allocated memory was 201.9 MB in the beginning and 325.1 MB in the end (delta: 123.2 MB). Free memory was 94.0 MB in the beginning and 123.9 MB in the end (delta: -30.0 MB). Peak memory consumption was 93.2 MB. Max. memory is 7.1 GB. [2020-10-05 22:21:50,790 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 138.9 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 928.47 ms. Allocated memory was 138.9 MB in the beginning and 201.9 MB in the end (delta: 62.9 MB). Free memory was 100.2 MB in the beginning and 132.5 MB in the end (delta: -32.3 MB). Peak memory consumption was 35.8 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 93.84 ms. Allocated memory is still 201.9 MB. Free memory was 132.5 MB in the beginning and 129.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 40.96 ms. Allocated memory is still 201.9 MB. Free memory was 129.8 MB in the beginning and 127.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 644.93 ms. Allocated memory is still 201.9 MB. Free memory was 127.8 MB in the beginning and 94.6 MB in the end (delta: 33.1 MB). Peak memory consumption was 33.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 8515.85 ms. Allocated memory was 201.9 MB in the beginning and 325.1 MB in the end (delta: 123.2 MB). Free memory was 94.0 MB in the beginning and 123.9 MB in the end (delta: -30.0 MB). Peak memory consumption was 93.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 4.0s, 140 ProgramPointsBefore, 40 ProgramPointsAfterwards, 145 TransitionsBefore, 40 TransitionsAfterwards, 6532 CoEnabledTransitionPairs, 7 FixpointIterations, 26 TrivialSequentialCompositions, 80 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 19 ConcurrentYvCompositions, 5 ChoiceCompositions, 3624 VarBasedMoverChecksPositive, 54 VarBasedMoverChecksNegative, 17 SemBasedMoverChecksPositive, 53 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.4s, 0 MoverChecksTotal, 7856 CheckedPairsTotal, 125 TotalNumberOfCompositions - CounterExampleResult [Line: 922]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L916] 0 static int top=0; [L917] 0 static unsigned int arr[(800)]; [L918] 0 pthread_mutex_t m; [L919] 0 _Bool flag=(0); [L1001] 0 pthread_t id1, id2; [L1003] FCALL, FORK 0 pthread_create(&id1, ((void *)0), t1, ((void *)0)) VAL [arr={6:0}, flag=0, m={7:0}, top=0] [L970] 1 int i; [L971] 1 unsigned int tmp; [L972] 1 i=0 VAL [arr={6:0}, flag=0, m={7:0}, top=0] [L972] COND TRUE 1 i<(800) [L975] 1 tmp = __VERIFIER_nondet_uint() [L942] COND FALSE 1 !(top==(800)) [L1004] FCALL, FORK 0 pthread_create(&id2, ((void *)0), t2, ((void *)0)) VAL [arr={6:0}, flag=0, m={7:0}, top=0] [L986] 2 int i; [L987] 2 i=0 VAL [arr={6:0}, flag=0, m={7:0}, top=0] [L934] 1 return top; [L949] 1 stack[get_top()] = x [L926] 1 top++ [L952] 1 return 0; [L972] 1 i++ VAL [arr={6:0}, flag=1, m={7:0}, top=1] [L987] COND TRUE 2 i<(800) [L990] COND TRUE 2 \read(flag) [L934] 2 return top; [L956] COND FALSE 2 !(get_top()==0) [L930] 2 top-- [L934] 2 return top; VAL [arr={6:0}, flag=1, m={7:0}, top=0] [L964] EXPR 2 stack[get_top()] [L964] 2 return stack[get_top()]; [L987] COND TRUE 2 i<(800) [L990] COND TRUE 2 \read(flag) [L934] 2 return top; [L956] COND TRUE 2 get_top()==0 [L959] 2 return (-2); [L992] COND TRUE 2 !(pop(arr)!=(-2)) [L922] 2 __VERIFIER_error() VAL [arr={6:0}, flag=1, m={7:0}, top=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 134 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 8.2s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.1s, HoareTripleCheckerStatistics: 409 SDtfs, 524 SDslu, 939 SDs, 0 SdLazy, 507 SolverSat, 35 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 85 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=688occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 9 MinimizatonAttempts, 1289 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 195 NumberOfCodeBlocks, 195 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 160 ConstructedInterpolants, 0 QuantifiedInterpolants, 28716 SizeOfPredicates, 5 NumberOfNonLiveVariables, 327 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 11 InterpolantComputations, 7 PerfectInterpolantSequences, 6/34 InterpolantCoveringCapability, 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 proved your program to be incorrect! Received shutdown request...