/usr/bin/java -Xmx16000000000 -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 0.1.25-11af1e5 [2020-10-11 13:12:30,239 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-11 13:12:30,242 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-11 13:12:30,265 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-11 13:12:30,265 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-11 13:12:30,266 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-11 13:12:30,268 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-11 13:12:30,269 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-11 13:12:30,271 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-11 13:12:30,272 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-11 13:12:30,273 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-11 13:12:30,274 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-11 13:12:30,274 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-11 13:12:30,275 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-11 13:12:30,276 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-11 13:12:30,277 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-11 13:12:30,278 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-11 13:12:30,279 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-11 13:12:30,280 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-11 13:12:30,282 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-11 13:12:30,284 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-11 13:12:30,285 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-11 13:12:30,286 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-11 13:12:30,287 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-11 13:12:30,289 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-11 13:12:30,292 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-11 13:12:30,293 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-11 13:12:30,294 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-11 13:12:30,294 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-11 13:12:30,295 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-11 13:12:30,295 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-11 13:12:30,296 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-11 13:12:30,296 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-11 13:12:30,297 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-11 13:12:30,297 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-11 13:12:30,298 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-11 13:12:30,299 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 [2020-10-11 13:12:30,322 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-11 13:12:30,322 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-11 13:12:30,326 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-11 13:12:30,326 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-11 13:12:30,327 INFO L138 SettingsManager]: * Use SBE=true [2020-10-11 13:12:30,327 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-11 13:12:30,327 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-11 13:12:30,327 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-11 13:12:30,327 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-11 13:12:30,328 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-11 13:12:30,328 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-11 13:12:30,328 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-11 13:12:30,330 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-11 13:12:30,330 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-11 13:12:30,331 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-11 13:12:30,331 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-11 13:12:30,331 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-11 13:12:30,331 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-11 13:12:30,331 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-11 13:12:30,331 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-11 13:12:30,332 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-11 13:12:30,332 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-11 13:12:30,332 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-11 13:12:30,332 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-11 13:12:30,332 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-11 13:12:30,333 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-11 13:12:30,333 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-11 13:12:30,336 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-11 13:12:30,336 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-11 13:12:30,336 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-11 13:12:30,675 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-11 13:12:30,688 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-11 13:12:30,692 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-11 13:12:30,694 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-11 13:12:30,697 INFO L275 PluginConnector]: CDTParser initialized [2020-10-11 13:12:30,698 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/stack_longest-1.i [2020-10-11 13:12:30,756 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bab6d0f54/8803368695b4498ea3ccfd5fc011e5d9/FLAG4e0043a12 [2020-10-11 13:12:31,314 INFO L306 CDTParser]: Found 1 translation units. [2020-10-11 13:12:31,315 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/stack_longest-1.i [2020-10-11 13:12:31,331 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bab6d0f54/8803368695b4498ea3ccfd5fc011e5d9/FLAG4e0043a12 [2020-10-11 13:12:31,547 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bab6d0f54/8803368695b4498ea3ccfd5fc011e5d9 [2020-10-11 13:12:31,557 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-11 13:12:31,559 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-11 13:12:31,560 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-11 13:12:31,561 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-11 13:12:31,564 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-11 13:12:31,565 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 01:12:31" (1/1) ... [2020-10-11 13:12:31,568 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ee36f35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:12:31, skipping insertion in model container [2020-10-11 13:12:31,568 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 01:12:31" (1/1) ... [2020-10-11 13:12:31,576 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-11 13:12:31,625 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-11 13:12:32,154 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-11 13:12:32,170 INFO L203 MainTranslator]: Completed pre-run [2020-10-11 13:12:32,219 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-11 13:12:32,366 INFO L208 MainTranslator]: Completed translation [2020-10-11 13:12:32,366 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:12:32 WrapperNode [2020-10-11 13:12:32,366 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-11 13:12:32,367 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-11 13:12:32,367 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-11 13:12:32,368 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-11 13:12:32,377 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:12:32" (1/1) ... [2020-10-11 13:12:32,398 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:12:32" (1/1) ... [2020-10-11 13:12:32,429 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-11 13:12:32,430 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-11 13:12:32,430 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-11 13:12:32,430 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-11 13:12:32,441 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:12:32" (1/1) ... [2020-10-11 13:12:32,441 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:12:32" (1/1) ... [2020-10-11 13:12:32,445 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:12:32" (1/1) ... [2020-10-11 13:12:32,446 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:12:32" (1/1) ... [2020-10-11 13:12:32,454 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:12:32" (1/1) ... [2020-10-11 13:12:32,459 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:12:32" (1/1) ... [2020-10-11 13:12:32,462 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:12:32" (1/1) ... [2020-10-11 13:12:32,467 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-11 13:12:32,467 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-11 13:12:32,467 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-11 13:12:32,467 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-11 13:12:32,468 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:12:32" (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 [2020-10-11 13:12:32,533 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2020-10-11 13:12:32,533 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2020-10-11 13:12:32,533 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2020-10-11 13:12:32,533 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2020-10-11 13:12:32,533 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-11 13:12:32,534 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-11 13:12:32,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-11 13:12:32,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-11 13:12:32,534 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-10-11 13:12:32,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-11 13:12:32,534 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-11 13:12:32,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-11 13:12:32,537 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-11 13:12:33,052 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-11 13:12:33,052 INFO L298 CfgBuilder]: Removed 26 assume(true) statements. [2020-10-11 13:12:33,055 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 01:12:33 BoogieIcfgContainer [2020-10-11 13:12:33,055 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-11 13:12:33,057 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-11 13:12:33,057 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-11 13:12:33,061 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-11 13:12:33,061 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 01:12:31" (1/3) ... [2020-10-11 13:12:33,062 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9259822 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 01:12:33, skipping insertion in model container [2020-10-11 13:12:33,063 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:12:32" (2/3) ... [2020-10-11 13:12:33,063 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9259822 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 01:12:33, skipping insertion in model container [2020-10-11 13:12:33,063 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 01:12:33" (3/3) ... [2020-10-11 13:12:33,065 INFO L111 eAbstractionObserver]: Analyzing ICFG stack_longest-1.i [2020-10-11 13:12:33,079 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-11 13:12:33,079 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-11 13:12:33,088 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-11 13:12:33,089 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-11 13:12:33,128 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,129 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,129 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,130 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,130 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,130 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,131 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,131 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,131 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,132 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,132 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,132 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,133 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,133 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,133 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,134 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,134 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,134 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,134 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,135 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,135 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,135 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,136 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,136 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,136 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,137 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,137 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,137 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,137 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,138 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,138 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,138 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,138 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,139 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,139 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,139 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,139 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,140 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,140 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,140 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,140 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,141 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,141 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,141 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,141 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,142 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,142 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,142 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,142 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,143 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,143 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,143 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,143 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,144 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,144 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,144 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,144 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,145 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,145 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,145 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,146 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,146 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,146 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,146 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,146 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,147 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,147 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,147 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,148 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,149 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,149 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,149 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,149 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,150 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,150 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,150 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,151 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,151 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,151 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,151 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,152 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,152 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,152 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,152 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,153 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,153 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,153 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,154 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,154 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,154 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,154 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,155 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,155 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,155 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,155 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,155 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,156 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,156 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,156 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,156 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,157 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,157 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,157 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,157 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,157 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,158 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,158 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,158 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,159 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,159 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,159 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,159 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,160 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,160 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,160 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,160 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,161 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,161 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,161 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,161 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,161 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,162 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,162 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,162 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,162 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,163 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,163 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,163 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,163 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,164 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,164 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,164 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,164 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,168 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,168 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,169 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,169 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,169 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,169 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,170 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,170 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,170 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,170 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,171 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,171 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,171 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,171 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,172 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,172 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,172 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,172 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,172 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,173 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,173 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,173 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,173 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,182 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,183 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,183 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,183 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,183 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,184 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,184 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,184 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,184 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,185 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,185 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,185 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,185 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,185 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,186 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,186 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,186 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,186 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,187 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:33,212 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-10-11 13:12:33,235 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-11 13:12:33,235 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-11 13:12:33,235 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-11 13:12:33,236 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-11 13:12:33,236 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-11 13:12:33,236 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-11 13:12:33,236 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-11 13:12:33,236 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-11 13:12:33,254 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-11 13:12:33,257 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 140 places, 145 transitions, 312 flow [2020-10-11 13:12:33,260 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 140 places, 145 transitions, 312 flow [2020-10-11 13:12:33,262 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 140 places, 145 transitions, 312 flow [2020-10-11 13:12:33,335 INFO L129 PetriNetUnfolder]: 11/145 cut-off events. [2020-10-11 13:12:33,335 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-10-11 13:12:33,344 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. [2020-10-11 13:12:33,352 INFO L117 LiptonReduction]: Number of co-enabled transitions 6532 [2020-10-11 13:12:35,735 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 74 [2020-10-11 13:12:36,740 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 110 [2020-10-11 13:12:36,959 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-10-11 13:12:37,187 INFO L132 LiptonReduction]: Checked pairs total: 10616 [2020-10-11 13:12:37,187 INFO L134 LiptonReduction]: Total number of compositions: 130 [2020-10-11 13:12:37,194 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 40 places, 40 transitions, 102 flow [2020-10-11 13:12:37,221 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 335 states. [2020-10-11 13:12:37,223 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states. [2020-10-11 13:12:37,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-10-11 13:12:37,230 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 13:12:37,231 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-10-11 13:12:37,231 INFO L429 AbstractCegarLoop]: === Iteration 1 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 13:12:37,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 13:12:37,237 INFO L82 PathProgramCache]: Analyzing trace with hash 475987800, now seen corresponding path program 1 times [2020-10-11 13:12:37,247 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 13:12:37,248 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722339202] [2020-10-11 13:12:37,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 13:12:37,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 13:12:37,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 13:12:37,505 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722339202] [2020-10-11 13:12:37,506 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 13:12:37,506 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-11 13:12:37,508 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650147668] [2020-10-11 13:12:37,514 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-11 13:12:37,514 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 13:12:37,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-11 13:12:37,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-11 13:12:37,536 INFO L87 Difference]: Start difference. First operand 335 states. Second operand 3 states. [2020-10-11 13:12:37,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 13:12:37,658 INFO L93 Difference]: Finished difference Result 602 states and 1541 transitions. [2020-10-11 13:12:37,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-11 13:12:37,661 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2020-10-11 13:12:37,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 13:12:37,693 INFO L225 Difference]: With dead ends: 602 [2020-10-11 13:12:37,694 INFO L226 Difference]: Without dead ends: 580 [2020-10-11 13:12:37,695 INFO L673 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 [2020-10-11 13:12:37,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 580 states. [2020-10-11 13:12:37,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 580 to 427. [2020-10-11 13:12:37,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 427 states. [2020-10-11 13:12:37,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 1148 transitions. [2020-10-11 13:12:37,829 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 1148 transitions. Word has length 6 [2020-10-11 13:12:37,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 13:12:37,830 INFO L481 AbstractCegarLoop]: Abstraction has 427 states and 1148 transitions. [2020-10-11 13:12:37,831 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-11 13:12:37,831 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 1148 transitions. [2020-10-11 13:12:37,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-10-11 13:12:37,832 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 13:12:37,832 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 13:12:37,833 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-11 13:12:37,833 INFO L429 AbstractCegarLoop]: === Iteration 2 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 13:12:37,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 13:12:37,833 INFO L82 PathProgramCache]: Analyzing trace with hash 307066949, now seen corresponding path program 1 times [2020-10-11 13:12:37,834 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 13:12:37,834 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429664592] [2020-10-11 13:12:37,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 13:12:37,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 13:12:37,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 13:12:37,923 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1429664592] [2020-10-11 13:12:37,923 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 13:12:37,923 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-11 13:12:37,924 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841396485] [2020-10-11 13:12:37,925 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-11 13:12:37,925 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 13:12:37,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-11 13:12:37,926 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-11 13:12:37,926 INFO L87 Difference]: Start difference. First operand 427 states and 1148 transitions. Second operand 3 states. [2020-10-11 13:12:37,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 13:12:37,948 INFO L93 Difference]: Finished difference Result 530 states and 1370 transitions. [2020-10-11 13:12:37,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-11 13:12:37,949 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-10-11 13:12:37,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 13:12:37,953 INFO L225 Difference]: With dead ends: 530 [2020-10-11 13:12:37,953 INFO L226 Difference]: Without dead ends: 508 [2020-10-11 13:12:37,954 INFO L673 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 [2020-10-11 13:12:37,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 508 states. [2020-10-11 13:12:37,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 508 to 468. [2020-10-11 13:12:37,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 468 states. [2020-10-11 13:12:37,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 468 states and 1250 transitions. [2020-10-11 13:12:37,973 INFO L78 Accepts]: Start accepts. Automaton has 468 states and 1250 transitions. Word has length 8 [2020-10-11 13:12:37,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 13:12:37,974 INFO L481 AbstractCegarLoop]: Abstraction has 468 states and 1250 transitions. [2020-10-11 13:12:37,974 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-11 13:12:37,974 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 1250 transitions. [2020-10-11 13:12:37,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-11 13:12:37,975 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 13:12:37,975 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 13:12:37,976 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-11 13:12:37,976 INFO L429 AbstractCegarLoop]: === Iteration 3 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 13:12:37,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 13:12:37,976 INFO L82 PathProgramCache]: Analyzing trace with hash -941555270, now seen corresponding path program 1 times [2020-10-11 13:12:37,976 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 13:12:37,977 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354437259] [2020-10-11 13:12:37,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 13:12:38,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 13:12:38,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 13:12:38,051 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1354437259] [2020-10-11 13:12:38,051 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 13:12:38,051 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-11 13:12:38,051 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550796171] [2020-10-11 13:12:38,052 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-11 13:12:38,052 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 13:12:38,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-11 13:12:38,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-11 13:12:38,053 INFO L87 Difference]: Start difference. First operand 468 states and 1250 transitions. Second operand 3 states. [2020-10-11 13:12:38,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 13:12:38,067 INFO L93 Difference]: Finished difference Result 504 states and 1343 transitions. [2020-10-11 13:12:38,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-11 13:12:38,067 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2020-10-11 13:12:38,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 13:12:38,071 INFO L225 Difference]: With dead ends: 504 [2020-10-11 13:12:38,071 INFO L226 Difference]: Without dead ends: 504 [2020-10-11 13:12:38,072 INFO L673 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 [2020-10-11 13:12:38,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 504 states. [2020-10-11 13:12:38,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 504 to 504. [2020-10-11 13:12:38,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 504 states. [2020-10-11 13:12:38,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 504 states and 1343 transitions. [2020-10-11 13:12:38,088 INFO L78 Accepts]: Start accepts. Automaton has 504 states and 1343 transitions. Word has length 10 [2020-10-11 13:12:38,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 13:12:38,088 INFO L481 AbstractCegarLoop]: Abstraction has 504 states and 1343 transitions. [2020-10-11 13:12:38,089 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-11 13:12:38,089 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 1343 transitions. [2020-10-11 13:12:38,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-11 13:12:38,091 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 13:12:38,091 INFO L421 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 13:12:38,091 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-11 13:12:38,091 INFO L429 AbstractCegarLoop]: === Iteration 4 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 13:12:38,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 13:12:38,092 INFO L82 PathProgramCache]: Analyzing trace with hash 184198130, now seen corresponding path program 1 times [2020-10-11 13:12:38,092 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 13:12:38,092 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916543597] [2020-10-11 13:12:38,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 13:12:38,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 13:12:38,219 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 13:12:38,219 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1916543597] [2020-10-11 13:12:38,220 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1842722822] [2020-10-11 13:12:38,220 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 [2020-10-11 13:12:38,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 13:12:38,300 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-11 13:12:38,305 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-11 13:12:38,348 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 13:12:38,349 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-11 13:12:38,349 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2020-10-11 13:12:38,350 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007025870] [2020-10-11 13:12:38,350 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-11 13:12:38,350 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 13:12:38,350 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-11 13:12:38,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-11 13:12:38,351 INFO L87 Difference]: Start difference. First operand 504 states and 1343 transitions. Second operand 7 states. [2020-10-11 13:12:38,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 13:12:38,459 INFO L93 Difference]: Finished difference Result 940 states and 2424 transitions. [2020-10-11 13:12:38,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-11 13:12:38,460 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 14 [2020-10-11 13:12:38,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 13:12:38,466 INFO L225 Difference]: With dead ends: 940 [2020-10-11 13:12:38,467 INFO L226 Difference]: Without dead ends: 940 [2020-10-11 13:12:38,467 INFO L673 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 [2020-10-11 13:12:38,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 940 states. [2020-10-11 13:12:38,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 940 to 688. [2020-10-11 13:12:38,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 688 states. [2020-10-11 13:12:38,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 688 states and 1842 transitions. [2020-10-11 13:12:38,494 INFO L78 Accepts]: Start accepts. Automaton has 688 states and 1842 transitions. Word has length 14 [2020-10-11 13:12:38,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 13:12:38,494 INFO L481 AbstractCegarLoop]: Abstraction has 688 states and 1842 transitions. [2020-10-11 13:12:38,494 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-11 13:12:38,495 INFO L276 IsEmpty]: Start isEmpty. Operand 688 states and 1842 transitions. [2020-10-11 13:12:38,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-11 13:12:38,497 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 13:12:38,497 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 13:12:38,712 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-11 13:12:38,713 INFO L429 AbstractCegarLoop]: === Iteration 5 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 13:12:38,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 13:12:38,715 INFO L82 PathProgramCache]: Analyzing trace with hash -1859541019, now seen corresponding path program 1 times [2020-10-11 13:12:38,716 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 13:12:38,716 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667689530] [2020-10-11 13:12:38,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 13:12:38,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 13:12:38,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 13:12:38,772 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667689530] [2020-10-11 13:12:38,773 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 13:12:38,773 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-11 13:12:38,773 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377826602] [2020-10-11 13:12:38,774 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-11 13:12:38,774 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 13:12:38,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-11 13:12:38,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-11 13:12:38,775 INFO L87 Difference]: Start difference. First operand 688 states and 1842 transitions. Second operand 4 states. [2020-10-11 13:12:38,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 13:12:38,835 INFO L93 Difference]: Finished difference Result 343 states and 775 transitions. [2020-10-11 13:12:38,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-11 13:12:38,836 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2020-10-11 13:12:38,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 13:12:38,839 INFO L225 Difference]: With dead ends: 343 [2020-10-11 13:12:38,839 INFO L226 Difference]: Without dead ends: 339 [2020-10-11 13:12:38,839 INFO L673 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 [2020-10-11 13:12:38,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2020-10-11 13:12:38,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 313. [2020-10-11 13:12:38,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 313 states. [2020-10-11 13:12:38,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 700 transitions. [2020-10-11 13:12:38,849 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 700 transitions. Word has length 16 [2020-10-11 13:12:38,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 13:12:38,850 INFO L481 AbstractCegarLoop]: Abstraction has 313 states and 700 transitions. [2020-10-11 13:12:38,850 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-11 13:12:38,850 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 700 transitions. [2020-10-11 13:12:38,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-11 13:12:38,852 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 13:12:38,852 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 13:12:38,852 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-11 13:12:38,852 INFO L429 AbstractCegarLoop]: === Iteration 6 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 13:12:38,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 13:12:38,853 INFO L82 PathProgramCache]: Analyzing trace with hash 1794318204, now seen corresponding path program 1 times [2020-10-11 13:12:38,853 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 13:12:38,853 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380544667] [2020-10-11 13:12:38,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 13:12:38,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 13:12:39,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 13:12:39,003 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380544667] [2020-10-11 13:12:39,003 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 13:12:39,003 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-11 13:12:39,004 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498112353] [2020-10-11 13:12:39,004 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-11 13:12:39,004 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 13:12:39,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-11 13:12:39,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-11 13:12:39,005 INFO L87 Difference]: Start difference. First operand 313 states and 700 transitions. Second operand 5 states. [2020-10-11 13:12:39,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 13:12:39,078 INFO L93 Difference]: Finished difference Result 473 states and 1056 transitions. [2020-10-11 13:12:39,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-11 13:12:39,079 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2020-10-11 13:12:39,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 13:12:39,083 INFO L225 Difference]: With dead ends: 473 [2020-10-11 13:12:39,083 INFO L226 Difference]: Without dead ends: 473 [2020-10-11 13:12:39,083 INFO L673 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 [2020-10-11 13:12:39,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2020-10-11 13:12:39,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 351. [2020-10-11 13:12:39,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 351 states. [2020-10-11 13:12:39,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 791 transitions. [2020-10-11 13:12:39,095 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 791 transitions. Word has length 17 [2020-10-11 13:12:39,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 13:12:39,095 INFO L481 AbstractCegarLoop]: Abstraction has 351 states and 791 transitions. [2020-10-11 13:12:39,096 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-11 13:12:39,096 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 791 transitions. [2020-10-11 13:12:39,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-11 13:12:39,097 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 13:12:39,097 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 13:12:39,097 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-11 13:12:39,098 INFO L429 AbstractCegarLoop]: === Iteration 7 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 13:12:39,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 13:12:39,098 INFO L82 PathProgramCache]: Analyzing trace with hash 1963207549, now seen corresponding path program 1 times [2020-10-11 13:12:39,098 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 13:12:39,099 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649224400] [2020-10-11 13:12:39,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 13:12:39,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 13:12:39,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 13:12:39,407 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649224400] [2020-10-11 13:12:39,408 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 13:12:39,408 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-11 13:12:39,408 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464700553] [2020-10-11 13:12:39,409 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-11 13:12:39,409 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 13:12:39,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-11 13:12:39,410 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-11 13:12:39,410 INFO L87 Difference]: Start difference. First operand 351 states and 791 transitions. Second operand 9 states. [2020-10-11 13:12:39,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 13:12:39,789 INFO L93 Difference]: Finished difference Result 653 states and 1454 transitions. [2020-10-11 13:12:39,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-11 13:12:39,790 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2020-10-11 13:12:39,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 13:12:39,794 INFO L225 Difference]: With dead ends: 653 [2020-10-11 13:12:39,794 INFO L226 Difference]: Without dead ends: 653 [2020-10-11 13:12:39,794 INFO L673 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 [2020-10-11 13:12:39,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 653 states. [2020-10-11 13:12:39,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 653 to 484. [2020-10-11 13:12:39,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 484 states. [2020-10-11 13:12:39,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 484 states and 1129 transitions. [2020-10-11 13:12:39,809 INFO L78 Accepts]: Start accepts. Automaton has 484 states and 1129 transitions. Word has length 21 [2020-10-11 13:12:39,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 13:12:39,809 INFO L481 AbstractCegarLoop]: Abstraction has 484 states and 1129 transitions. [2020-10-11 13:12:39,809 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-11 13:12:39,809 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 1129 transitions. [2020-10-11 13:12:39,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-11 13:12:39,811 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 13:12:39,811 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 13:12:39,811 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-11 13:12:39,811 INFO L429 AbstractCegarLoop]: === Iteration 8 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 13:12:39,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 13:12:39,812 INFO L82 PathProgramCache]: Analyzing trace with hash 1358260699, now seen corresponding path program 2 times [2020-10-11 13:12:39,812 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 13:12:39,812 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623131858] [2020-10-11 13:12:39,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 13:12:39,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 13:12:40,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 13:12:40,081 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623131858] [2020-10-11 13:12:40,081 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 13:12:40,082 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-11 13:12:40,082 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395306650] [2020-10-11 13:12:40,082 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-11 13:12:40,083 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 13:12:40,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-11 13:12:40,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-11 13:12:40,083 INFO L87 Difference]: Start difference. First operand 484 states and 1129 transitions. Second operand 9 states. [2020-10-11 13:12:40,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 13:12:40,453 INFO L93 Difference]: Finished difference Result 779 states and 1769 transitions. [2020-10-11 13:12:40,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-11 13:12:40,454 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2020-10-11 13:12:40,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 13:12:40,459 INFO L225 Difference]: With dead ends: 779 [2020-10-11 13:12:40,459 INFO L226 Difference]: Without dead ends: 779 [2020-10-11 13:12:40,459 INFO L673 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 [2020-10-11 13:12:40,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 779 states. [2020-10-11 13:12:40,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 779 to 470. [2020-10-11 13:12:40,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 470 states. [2020-10-11 13:12:40,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 470 states and 1092 transitions. [2020-10-11 13:12:40,474 INFO L78 Accepts]: Start accepts. Automaton has 470 states and 1092 transitions. Word has length 21 [2020-10-11 13:12:40,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 13:12:40,474 INFO L481 AbstractCegarLoop]: Abstraction has 470 states and 1092 transitions. [2020-10-11 13:12:40,474 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-11 13:12:40,475 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 1092 transitions. [2020-10-11 13:12:40,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-11 13:12:40,476 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 13:12:40,476 INFO L421 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2020-10-11 13:12:40,476 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-11 13:12:40,476 INFO L429 AbstractCegarLoop]: === Iteration 9 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 13:12:40,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 13:12:40,476 INFO L82 PathProgramCache]: Analyzing trace with hash 920456844, now seen corresponding path program 2 times [2020-10-11 13:12:40,477 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 13:12:40,477 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142857999] [2020-10-11 13:12:40,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 13:12:40,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 13:12:40,552 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 13:12:40,552 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142857999] [2020-10-11 13:12:40,553 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1917531676] [2020-10-11 13:12:40,553 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 [2020-10-11 13:12:40,648 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-10-11 13:12:40,648 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-11 13:12:40,649 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-11 13:12:40,651 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-11 13:12:40,686 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 13:12:40,686 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-11 13:12:40,686 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2020-10-11 13:12:40,687 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793432490] [2020-10-11 13:12:40,687 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-11 13:12:40,687 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 13:12:40,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-11 13:12:40,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-10-11 13:12:40,688 INFO L87 Difference]: Start difference. First operand 470 states and 1092 transitions. Second operand 9 states. [2020-10-11 13:12:40,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 13:12:40,820 INFO L93 Difference]: Finished difference Result 778 states and 1761 transitions. [2020-10-11 13:12:40,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-11 13:12:40,820 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 22 [2020-10-11 13:12:40,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 13:12:40,825 INFO L225 Difference]: With dead ends: 778 [2020-10-11 13:12:40,825 INFO L226 Difference]: Without dead ends: 778 [2020-10-11 13:12:40,826 INFO L673 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 [2020-10-11 13:12:40,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 778 states. [2020-10-11 13:12:40,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 778 to 560. [2020-10-11 13:12:40,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-10-11 13:12:40,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 1291 transitions. [2020-10-11 13:12:40,842 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 1291 transitions. Word has length 22 [2020-10-11 13:12:40,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 13:12:40,844 INFO L481 AbstractCegarLoop]: Abstraction has 560 states and 1291 transitions. [2020-10-11 13:12:40,844 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-11 13:12:40,845 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 1291 transitions. [2020-10-11 13:12:40,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-11 13:12:40,846 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 13:12:40,846 INFO L421 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] [2020-10-11 13:12:41,059 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-11 13:12:41,060 INFO L429 AbstractCegarLoop]: === Iteration 10 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 13:12:41,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 13:12:41,061 INFO L82 PathProgramCache]: Analyzing trace with hash 1348112131, now seen corresponding path program 1 times [2020-10-11 13:12:41,061 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 13:12:41,062 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186420568] [2020-10-11 13:12:41,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 13:12:41,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-11 13:12:41,113 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-11 13:12:41,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-11 13:12:41,172 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-11 13:12:41,210 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-11 13:12:41,210 INFO L519 BasicCegarLoop]: Counterexample might be feasible [2020-10-11 13:12:41,210 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-11 13:12:41,211 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-11 13:12:41,211 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-11 13:12:41,212 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-11 13:12:41,219 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [558] [558] L3-->L977-1: Formula: (and (= |~#arr~0.offset_In442492553| |t1Thread1of1ForFork0_push_#in~stack.offset_Out442492553|) (= |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond_In442492553| t1Thread1of1ForFork0_assume_abort_if_not_~cond_Out442492553) (= |t1Thread1of1ForFork0_push_#in~stack.base_Out442492553| |~#arr~0.base_In442492553|) (not (= t1Thread1of1ForFork0_assume_abort_if_not_~cond_Out442492553 0)) (let ((.cse0 (mod t1Thread1of1ForFork0_~tmp~0_In442492553 4294967296))) (let ((.cse1 (<= .cse0 2147483647))) (or (and (= |t1Thread1of1ForFork0_push_#in~x_Out442492553| (+ .cse0 (- 4294967296))) (not .cse1)) (and .cse1 (= |t1Thread1of1ForFork0_push_#in~x_Out442492553| .cse0)))))) InVars {~#arr~0.offset=|~#arr~0.offset_In442492553|, t1Thread1of1ForFork0_~tmp~0=t1Thread1of1ForFork0_~tmp~0_In442492553, t1Thread1of1ForFork0_assume_abort_if_not_#in~cond=|t1Thread1of1ForFork0_assume_abort_if_not_#in~cond_In442492553|, ~#arr~0.base=|~#arr~0.base_In442492553|} OutVars{~#arr~0.offset=|~#arr~0.offset_In442492553|, t1Thread1of1ForFork0_push_#in~x=|t1Thread1of1ForFork0_push_#in~x_Out442492553|, t1Thread1of1ForFork0_assume_abort_if_not_~cond=t1Thread1of1ForFork0_assume_abort_if_not_~cond_Out442492553, t1Thread1of1ForFork0_push_#in~stack.base=|t1Thread1of1ForFork0_push_#in~stack.base_Out442492553|, t1Thread1of1ForFork0_~tmp~0=t1Thread1of1ForFork0_~tmp~0_In442492553, t1Thread1of1ForFork0_push_#res=|t1Thread1of1ForFork0_push_#res_Out442492553|, t1Thread1of1ForFork0_assume_abort_if_not_#in~cond=|t1Thread1of1ForFork0_assume_abort_if_not_#in~cond_In442492553|, t1Thread1of1ForFork0_push_#in~stack.offset=|t1Thread1of1ForFork0_push_#in~stack.offset_Out442492553|, ~#arr~0.base=|~#arr~0.base_In442492553|} 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 [2020-10-11 13:12:41,225 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [559] [559] L977-2-->L980: Formula: (and (<= 0 (+ |t1Thread1of1ForFork0_#t~ret44_In-877972616| 2147483648)) (= ~flag~0_Out-877972616 1) (not (= (- 1) |t1Thread1of1ForFork0_#t~ret44_In-877972616|)) (<= |t1Thread1of1ForFork0_#t~ret44_In-877972616| 2147483647)) InVars {t1Thread1of1ForFork0_#t~ret44=|t1Thread1of1ForFork0_#t~ret44_In-877972616|} OutVars{t1Thread1of1ForFork0_#t~ret44=|t1Thread1of1ForFork0_#t~ret44_Out-877972616|, ~flag~0=~flag~0_Out-877972616} AuxVars[] AssignedVars[t1Thread1of1ForFork0_#t~ret44, ~flag~0] because there is no mapped edge [2020-10-11 13:12:41,231 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [570] [570] L992-4-->L987-6: Formula: (and (not (= |t2Thread1of1ForFork1_#t~ret47_In-140371863| (- 2))) (= t2Thread1of1ForFork1_~i~1_Out-140371863 (+ t2Thread1of1ForFork1_~i~1_In-140371863 1)) (= (store |#pthreadsMutex_In-140371863| |~#m~0.base_In-140371863| (store (select |#pthreadsMutex_In-140371863| |~#m~0.base_In-140371863|) |~#m~0.offset_In-140371863| 0)) |#pthreadsMutex_Out-140371863|)) InVars {#pthreadsMutex=|#pthreadsMutex_In-140371863|, ~#m~0.base=|~#m~0.base_In-140371863|, t2Thread1of1ForFork1_#t~ret47=|t2Thread1of1ForFork1_#t~ret47_In-140371863|, ~#m~0.offset=|~#m~0.offset_In-140371863|, t2Thread1of1ForFork1_~i~1=t2Thread1of1ForFork1_~i~1_In-140371863} OutVars{#pthreadsMutex=|#pthreadsMutex_Out-140371863|, t2Thread1of1ForFork1_#t~ret47=|t2Thread1of1ForFork1_#t~ret47_Out-140371863|, ~#m~0.base=|~#m~0.base_In-140371863|, ~#m~0.offset=|~#m~0.offset_In-140371863|, t2Thread1of1ForFork1_#t~post45=|t2Thread1of1ForFork1_#t~post45_Out-140371863|, t2Thread1of1ForFork1_~i~1=t2Thread1of1ForFork1_~i~1_Out-140371863} AuxVars[] AssignedVars[#pthreadsMutex, t2Thread1of1ForFork1_#t~ret47, t2Thread1of1ForFork1_#t~post45, t2Thread1of1ForFork1_~i~1] because there is no mapped edge [2020-10-11 13:12:41,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 01:12:41 BasicIcfg [2020-10-11 13:12:41,312 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-11 13:12:41,316 INFO L168 Benchmark]: Toolchain (without parser) took 9755.05 ms. Allocated memory was 248.0 MB in the beginning and 489.7 MB in the end (delta: 241.7 MB). Free memory was 204.0 MB in the beginning and 415.7 MB in the end (delta: -211.7 MB). Peak memory consumption was 30.0 MB. Max. memory is 14.2 GB. [2020-10-11 13:12:41,316 INFO L168 Benchmark]: CDTParser took 0.93 ms. Allocated memory is still 248.0 MB. Free memory is still 224.4 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-11 13:12:41,317 INFO L168 Benchmark]: CACSL2BoogieTranslator took 806.59 ms. Allocated memory was 248.0 MB in the beginning and 305.1 MB in the end (delta: 57.1 MB). Free memory was 204.0 MB in the beginning and 233.1 MB in the end (delta: -29.1 MB). Peak memory consumption was 38.1 MB. Max. memory is 14.2 GB. [2020-10-11 13:12:41,318 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.02 ms. Allocated memory is still 305.1 MB. Free memory was 233.1 MB in the beginning and 230.6 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-11 13:12:41,322 INFO L168 Benchmark]: Boogie Preprocessor took 37.28 ms. Allocated memory is still 305.1 MB. Free memory was 230.6 MB in the beginning and 228.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-11 13:12:41,326 INFO L168 Benchmark]: RCFGBuilder took 588.32 ms. Allocated memory is still 305.1 MB. Free memory was 228.1 MB in the beginning and 193.6 MB in the end (delta: 34.5 MB). Peak memory consumption was 34.5 MB. Max. memory is 14.2 GB. [2020-10-11 13:12:41,326 INFO L168 Benchmark]: TraceAbstraction took 8255.20 ms. Allocated memory was 305.1 MB in the beginning and 489.7 MB in the end (delta: 184.5 MB). Free memory was 193.6 MB in the beginning and 415.7 MB in the end (delta: -222.1 MB). There was no memory consumed. Max. memory is 14.2 GB. [2020-10-11 13:12:41,332 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.93 ms. Allocated memory is still 248.0 MB. Free memory is still 224.4 MB. There was no memory consumed. Max. memory is 14.2 GB. * CACSL2BoogieTranslator took 806.59 ms. Allocated memory was 248.0 MB in the beginning and 305.1 MB in the end (delta: 57.1 MB). Free memory was 204.0 MB in the beginning and 233.1 MB in the end (delta: -29.1 MB). Peak memory consumption was 38.1 MB. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 62.02 ms. Allocated memory is still 305.1 MB. Free memory was 233.1 MB in the beginning and 230.6 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 37.28 ms. Allocated memory is still 305.1 MB. Free memory was 230.6 MB in the beginning and 228.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 588.32 ms. Allocated memory is still 305.1 MB. Free memory was 228.1 MB in the beginning and 193.6 MB in the end (delta: 34.5 MB). Peak memory consumption was 34.5 MB. Max. memory is 14.2 GB. * TraceAbstraction took 8255.20 ms. Allocated memory was 305.1 MB in the beginning and 489.7 MB in the end (delta: 184.5 MB). Free memory was 193.6 MB in the beginning and 415.7 MB in the end (delta: -222.1 MB). There was no memory consumed. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 4733 VarBasedMoverChecksPositive, 77 VarBasedMoverChecksNegative, 16 SemBasedMoverChecksPositive, 61 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.5s, 360 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 3.9s, 140 PlacesBefore, 40 PlacesAfterwards, 145 TransitionsBefore, 40 TransitionsAfterwards, 6532 CoEnabledTransitionPairs, 6 FixpointIterations, 26 TrivialSequentialCompositions, 80 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 19 ConcurrentYvCompositions, 5 ChoiceCompositions, 130 TotalNumberOfCompositions, 10616 MoverChecksTotal - 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={5:0}, flag=0, m={9:0}, top=0] [L970] 1 int i; [L971] 1 unsigned int tmp; [L972] 1 i=0 VAL [arr={5:0}, flag=0, m={9:0}, 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={5:0}, flag=0, m={9:0}, top=0] [L986] 2 int i; [L987] 2 i=0 VAL [arr={5:0}, flag=0, m={9:0}, top=0] [L934] 1 return top; [L949] 1 stack[get_top()] = x [L926] 1 top++ [L952] 1 return 0; [L972] 1 i++ VAL [arr={5:0}, flag=1, m={9:0}, 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={5:0}, flag=1, m={9:0}, 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={5:0}, flag=1, m={9:0}, top=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 134 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 7.9s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.9s, 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...