/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf -i ../../../trunk/examples/svcomp/pthread-wmm/mix057_pso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b09bf87 [2020-10-16 12:05:01,239 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-16 12:05:01,243 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-16 12:05:01,282 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-16 12:05:01,283 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-16 12:05:01,291 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-16 12:05:01,295 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-16 12:05:01,299 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-16 12:05:01,302 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-16 12:05:01,304 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-16 12:05:01,305 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-16 12:05:01,306 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-16 12:05:01,306 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-16 12:05:01,309 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-16 12:05:01,311 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-16 12:05:01,313 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-16 12:05:01,314 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-16 12:05:01,315 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-16 12:05:01,316 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-16 12:05:01,324 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-16 12:05:01,327 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-16 12:05:01,328 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-16 12:05:01,329 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-16 12:05:01,329 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-16 12:05:01,342 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-16 12:05:01,342 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-16 12:05:01,343 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-16 12:05:01,344 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-16 12:05:01,345 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-16 12:05:01,346 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-16 12:05:01,346 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-16 12:05:01,347 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-16 12:05:01,348 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-16 12:05:01,349 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-16 12:05:01,350 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-16 12:05:01,350 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-16 12:05:01,351 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-16 12:05:01,351 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-16 12:05:01,352 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-16 12:05:01,353 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-16 12:05:01,354 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-16 12:05:01,355 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf [2020-10-16 12:05:01,394 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-16 12:05:01,395 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-16 12:05:01,397 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-16 12:05:01,397 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-16 12:05:01,397 INFO L138 SettingsManager]: * Use SBE=true [2020-10-16 12:05:01,397 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-16 12:05:01,398 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-16 12:05:01,398 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-16 12:05:01,398 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-16 12:05:01,398 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-16 12:05:01,399 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-16 12:05:01,400 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-16 12:05:01,400 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-16 12:05:01,400 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-16 12:05:01,400 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-16 12:05:01,401 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-16 12:05:01,401 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-16 12:05:01,401 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-16 12:05:01,401 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-16 12:05:01,401 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-16 12:05:01,401 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-16 12:05:01,402 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 12:05:01,402 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-16 12:05:01,402 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-16 12:05:01,402 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-16 12:05:01,402 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-16 12:05:01,403 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-16 12:05:01,403 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-16 12:05:01,403 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-16 12:05:01,694 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-16 12:05:01,711 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-16 12:05:01,716 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-16 12:05:01,720 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-16 12:05:01,720 INFO L275 PluginConnector]: CDTParser initialized [2020-10-16 12:05:01,721 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix057_pso.oepc.i [2020-10-16 12:05:01,795 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9b72eb680/5d27975a1947412396aaff049742407f/FLAG17661122a [2020-10-16 12:05:02,357 INFO L306 CDTParser]: Found 1 translation units. [2020-10-16 12:05:02,358 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/pthread-wmm/mix057_pso.oepc.i [2020-10-16 12:05:02,385 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9b72eb680/5d27975a1947412396aaff049742407f/FLAG17661122a [2020-10-16 12:05:02,646 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9b72eb680/5d27975a1947412396aaff049742407f [2020-10-16 12:05:02,656 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-16 12:05:02,658 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-16 12:05:02,659 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-16 12:05:02,659 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-16 12:05:02,662 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-16 12:05:02,663 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:05:02" (1/1) ... [2020-10-16 12:05:02,666 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2560c2dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:05:02, skipping insertion in model container [2020-10-16 12:05:02,666 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:05:02" (1/1) ... [2020-10-16 12:05:02,674 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-16 12:05:02,734 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-16 12:05:03,314 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 12:05:03,328 INFO L203 MainTranslator]: Completed pre-run [2020-10-16 12:05:03,391 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 12:05:03,469 INFO L208 MainTranslator]: Completed translation [2020-10-16 12:05:03,470 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:05:03 WrapperNode [2020-10-16 12:05:03,470 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-16 12:05:03,471 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-16 12:05:03,471 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-16 12:05:03,471 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-16 12:05:03,479 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:05:03" (1/1) ... [2020-10-16 12:05:03,501 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:05:03" (1/1) ... [2020-10-16 12:05:03,532 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-16 12:05:03,533 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-16 12:05:03,533 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-16 12:05:03,533 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-16 12:05:03,543 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:05:03" (1/1) ... [2020-10-16 12:05:03,544 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:05:03" (1/1) ... [2020-10-16 12:05:03,549 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:05:03" (1/1) ... [2020-10-16 12:05:03,549 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:05:03" (1/1) ... [2020-10-16 12:05:03,561 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:05:03" (1/1) ... [2020-10-16 12:05:03,566 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:05:03" (1/1) ... [2020-10-16 12:05:03,570 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:05:03" (1/1) ... [2020-10-16 12:05:03,576 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-16 12:05:03,577 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-16 12:05:03,577 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-16 12:05:03,577 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-16 12:05:03,578 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:05:03" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-10-16 12:05:03,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-16 12:05:03,673 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-16 12:05:03,673 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-16 12:05:03,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-16 12:05:03,674 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-16 12:05:03,674 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-16 12:05:03,676 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-16 12:05:03,676 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-16 12:05:03,677 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-16 12:05:03,677 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-16 12:05:03,679 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2020-10-16 12:05:03,679 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2020-10-16 12:05:03,680 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-16 12:05:03,680 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-16 12:05:03,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-16 12:05:03,683 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-16 12:05:06,187 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-16 12:05:06,187 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-16 12:05:06,190 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:05:06 BoogieIcfgContainer [2020-10-16 12:05:06,190 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-16 12:05:06,191 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-16 12:05:06,191 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-16 12:05:06,195 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-16 12:05:06,195 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 12:05:02" (1/3) ... [2020-10-16 12:05:06,197 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e0d6427 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:05:06, skipping insertion in model container [2020-10-16 12:05:06,197 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:05:03" (2/3) ... [2020-10-16 12:05:06,197 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e0d6427 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:05:06, skipping insertion in model container [2020-10-16 12:05:06,197 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:05:06" (3/3) ... [2020-10-16 12:05:06,199 INFO L111 eAbstractionObserver]: Analyzing ICFG mix057_pso.oepc.i [2020-10-16 12:05:06,211 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-16 12:05:06,212 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-16 12:05:06,220 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-16 12:05:06,221 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-16 12:05:06,256 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,256 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,256 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,257 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,257 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,257 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,258 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,258 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,258 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,258 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,258 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,259 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,259 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,259 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,259 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,260 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,260 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,260 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,260 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,261 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,261 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,261 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,261 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,261 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,262 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,262 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,262 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,262 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,263 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,263 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,263 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,263 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,264 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,264 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,264 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,264 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,264 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,264 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,265 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,265 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,265 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,266 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,266 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,266 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,266 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,267 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,267 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,267 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~nondet20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,267 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,267 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,267 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,268 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,268 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,268 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,268 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,268 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,268 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,269 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,269 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,269 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,269 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,269 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,269 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,269 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,270 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,270 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,270 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,270 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,270 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,270 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,271 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,271 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,271 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,271 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~nondet20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,271 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,271 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,272 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,272 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,272 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,272 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,272 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,272 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,272 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,273 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,273 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,274 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,275 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,275 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,275 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,275 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,275 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,276 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,276 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,276 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,281 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,284 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,284 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,284 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,285 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,285 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,285 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,285 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,285 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,285 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,291 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,292 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,292 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,292 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,292 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,292 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,293 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,293 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,293 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,293 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,293 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,294 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,294 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,294 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,294 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,294 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,295 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,295 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,295 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,295 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,295 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,296 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,296 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,296 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~nondet20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,296 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,296 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,297 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,297 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,297 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,297 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,297 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,297 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,298 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,300 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,300 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,301 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,301 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,301 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,301 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,301 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,302 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,302 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,302 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,302 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,302 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,304 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,304 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,304 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,305 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,305 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,305 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,305 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,305 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,306 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,306 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:06,308 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-16 12:05:06,323 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-10-16 12:05:06,345 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 12:05:06,346 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-16 12:05:06,346 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-16 12:05:06,346 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-16 12:05:06,346 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 12:05:06,346 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 12:05:06,346 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 12:05:06,347 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 12:05:06,362 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-16 12:05:06,363 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 120 places, 109 transitions, 238 flow [2020-10-16 12:05:06,366 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 120 places, 109 transitions, 238 flow [2020-10-16 12:05:06,368 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 120 places, 109 transitions, 238 flow [2020-10-16 12:05:06,420 INFO L129 PetriNetUnfolder]: 2/105 cut-off events. [2020-10-16 12:05:06,420 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 12:05:06,427 INFO L80 FinitePrefix]: Finished finitePrefix Result has 118 conditions, 105 events. 2/105 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 86 event pairs, 0 based on Foata normal form. 0/101 useless extension candidates. Maximal degree in co-relation 75. Up to 2 conditions per place. [2020-10-16 12:05:06,431 INFO L117 LiptonReduction]: Number of co-enabled transitions 2614 [2020-10-16 12:05:06,921 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2020-10-16 12:05:07,041 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2020-10-16 12:05:07,468 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 44 [2020-10-16 12:05:08,122 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2020-10-16 12:05:08,224 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2020-10-16 12:05:08,940 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2020-10-16 12:05:09,198 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 91 [2020-10-16 12:05:09,307 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-10-16 12:05:09,318 INFO L132 LiptonReduction]: Checked pairs total: 8128 [2020-10-16 12:05:09,318 INFO L134 LiptonReduction]: Total number of compositions: 90 [2020-10-16 12:05:09,324 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 46 places, 33 transitions, 86 flow [2020-10-16 12:05:09,609 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 4124 states. [2020-10-16 12:05:09,611 INFO L276 IsEmpty]: Start isEmpty. Operand 4124 states. [2020-10-16 12:05:09,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-10-16 12:05:09,637 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:05:09,642 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-10-16 12:05:09,643 INFO L429 AbstractCegarLoop]: === Iteration 1 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:05:09,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:05:09,649 INFO L82 PathProgramCache]: Analyzing trace with hash 1188698, now seen corresponding path program 1 times [2020-10-16 12:05:09,661 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:05:09,661 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067111480] [2020-10-16 12:05:09,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:05:09,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:05:09,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:05:09,875 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067111480] [2020-10-16 12:05:09,876 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:05:09,876 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 12:05:09,877 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607348362] [2020-10-16 12:05:09,881 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 12:05:09,881 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:05:09,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 12:05:09,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:05:09,896 INFO L87 Difference]: Start difference. First operand 4124 states. Second operand 3 states. [2020-10-16 12:05:10,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:05:10,100 INFO L93 Difference]: Finished difference Result 3437 states and 13500 transitions. [2020-10-16 12:05:10,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 12:05:10,102 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-10-16 12:05:10,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:05:10,151 INFO L225 Difference]: With dead ends: 3437 [2020-10-16 12:05:10,151 INFO L226 Difference]: Without dead ends: 2812 [2020-10-16 12:05:10,152 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:05:10,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2812 states. [2020-10-16 12:05:10,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2812 to 2812. [2020-10-16 12:05:10,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2812 states. [2020-10-16 12:05:10,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2812 states to 2812 states and 10875 transitions. [2020-10-16 12:05:10,344 INFO L78 Accepts]: Start accepts. Automaton has 2812 states and 10875 transitions. Word has length 3 [2020-10-16 12:05:10,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:05:10,345 INFO L481 AbstractCegarLoop]: Abstraction has 2812 states and 10875 transitions. [2020-10-16 12:05:10,345 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 12:05:10,345 INFO L276 IsEmpty]: Start isEmpty. Operand 2812 states and 10875 transitions. [2020-10-16 12:05:10,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-16 12:05:10,350 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:05:10,352 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:05:10,353 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-16 12:05:10,355 INFO L429 AbstractCegarLoop]: === Iteration 2 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:05:10,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:05:10,361 INFO L82 PathProgramCache]: Analyzing trace with hash -2099876546, now seen corresponding path program 1 times [2020-10-16 12:05:10,362 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:05:10,364 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123218762] [2020-10-16 12:05:10,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:05:10,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:05:10,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:05:10,480 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123218762] [2020-10-16 12:05:10,481 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:05:10,481 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 12:05:10,481 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581053804] [2020-10-16 12:05:10,483 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 12:05:10,483 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:05:10,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 12:05:10,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:05:10,484 INFO L87 Difference]: Start difference. First operand 2812 states and 10875 transitions. Second operand 3 states. [2020-10-16 12:05:10,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:05:10,545 INFO L93 Difference]: Finished difference Result 2762 states and 10645 transitions. [2020-10-16 12:05:10,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 12:05:10,545 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2020-10-16 12:05:10,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:05:10,570 INFO L225 Difference]: With dead ends: 2762 [2020-10-16 12:05:10,570 INFO L226 Difference]: Without dead ends: 2762 [2020-10-16 12:05:10,571 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:05:10,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2762 states. [2020-10-16 12:05:10,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2762 to 2762. [2020-10-16 12:05:10,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2762 states. [2020-10-16 12:05:10,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2762 states to 2762 states and 10645 transitions. [2020-10-16 12:05:10,676 INFO L78 Accepts]: Start accepts. Automaton has 2762 states and 10645 transitions. Word has length 11 [2020-10-16 12:05:10,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:05:10,677 INFO L481 AbstractCegarLoop]: Abstraction has 2762 states and 10645 transitions. [2020-10-16 12:05:10,677 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 12:05:10,677 INFO L276 IsEmpty]: Start isEmpty. Operand 2762 states and 10645 transitions. [2020-10-16 12:05:10,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-16 12:05:10,680 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:05:10,680 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:05:10,681 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-16 12:05:10,681 INFO L429 AbstractCegarLoop]: === Iteration 3 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:05:10,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:05:10,681 INFO L82 PathProgramCache]: Analyzing trace with hash -671908528, now seen corresponding path program 1 times [2020-10-16 12:05:10,682 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:05:10,682 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253829282] [2020-10-16 12:05:10,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:05:10,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:05:10,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:05:10,793 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253829282] [2020-10-16 12:05:10,794 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:05:10,794 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 12:05:10,794 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458371796] [2020-10-16 12:05:10,794 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 12:05:10,795 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:05:10,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 12:05:10,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:05:10,795 INFO L87 Difference]: Start difference. First operand 2762 states and 10645 transitions. Second operand 3 states. [2020-10-16 12:05:10,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:05:10,830 INFO L93 Difference]: Finished difference Result 2722 states and 10463 transitions. [2020-10-16 12:05:10,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 12:05:10,830 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2020-10-16 12:05:10,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:05:10,856 INFO L225 Difference]: With dead ends: 2722 [2020-10-16 12:05:10,857 INFO L226 Difference]: Without dead ends: 2722 [2020-10-16 12:05:10,857 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:05:10,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2722 states. [2020-10-16 12:05:10,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2722 to 2722. [2020-10-16 12:05:10,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2722 states. [2020-10-16 12:05:10,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2722 states to 2722 states and 10463 transitions. [2020-10-16 12:05:10,951 INFO L78 Accepts]: Start accepts. Automaton has 2722 states and 10463 transitions. Word has length 12 [2020-10-16 12:05:10,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:05:10,952 INFO L481 AbstractCegarLoop]: Abstraction has 2722 states and 10463 transitions. [2020-10-16 12:05:10,952 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 12:05:10,952 INFO L276 IsEmpty]: Start isEmpty. Operand 2722 states and 10463 transitions. [2020-10-16 12:05:10,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-16 12:05:10,957 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:05:10,957 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:05:10,957 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-16 12:05:10,957 INFO L429 AbstractCegarLoop]: === Iteration 4 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:05:10,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:05:10,958 INFO L82 PathProgramCache]: Analyzing trace with hash 645671939, now seen corresponding path program 1 times [2020-10-16 12:05:10,958 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:05:10,958 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794852900] [2020-10-16 12:05:10,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:05:11,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:05:11,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:05:11,056 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794852900] [2020-10-16 12:05:11,056 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:05:11,056 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 12:05:11,056 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095012037] [2020-10-16 12:05:11,057 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 12:05:11,057 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:05:11,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 12:05:11,058 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:05:11,058 INFO L87 Difference]: Start difference. First operand 2722 states and 10463 transitions. Second operand 3 states. [2020-10-16 12:05:11,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:05:11,081 INFO L93 Difference]: Finished difference Result 2684 states and 10291 transitions. [2020-10-16 12:05:11,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 12:05:11,082 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2020-10-16 12:05:11,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:05:11,108 INFO L225 Difference]: With dead ends: 2684 [2020-10-16 12:05:11,108 INFO L226 Difference]: Without dead ends: 2684 [2020-10-16 12:05:11,109 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:05:11,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2684 states. [2020-10-16 12:05:11,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2684 to 2684. [2020-10-16 12:05:11,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2684 states. [2020-10-16 12:05:11,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2684 states to 2684 states and 10291 transitions. [2020-10-16 12:05:11,277 INFO L78 Accepts]: Start accepts. Automaton has 2684 states and 10291 transitions. Word has length 13 [2020-10-16 12:05:11,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:05:11,278 INFO L481 AbstractCegarLoop]: Abstraction has 2684 states and 10291 transitions. [2020-10-16 12:05:11,278 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 12:05:11,278 INFO L276 IsEmpty]: Start isEmpty. Operand 2684 states and 10291 transitions. [2020-10-16 12:05:11,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-16 12:05:11,281 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:05:11,281 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:05:11,281 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-16 12:05:11,281 INFO L429 AbstractCegarLoop]: === Iteration 5 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:05:11,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:05:11,282 INFO L82 PathProgramCache]: Analyzing trace with hash -1510002970, now seen corresponding path program 1 times [2020-10-16 12:05:11,282 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:05:11,282 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155892690] [2020-10-16 12:05:11,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:05:11,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:05:11,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:05:11,318 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155892690] [2020-10-16 12:05:11,319 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:05:11,319 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 12:05:11,319 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334551863] [2020-10-16 12:05:11,319 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 12:05:11,320 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:05:11,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 12:05:11,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:05:11,320 INFO L87 Difference]: Start difference. First operand 2684 states and 10291 transitions. Second operand 3 states. [2020-10-16 12:05:11,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:05:11,354 INFO L93 Difference]: Finished difference Result 3791 states and 14137 transitions. [2020-10-16 12:05:11,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 12:05:11,355 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2020-10-16 12:05:11,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:05:11,379 INFO L225 Difference]: With dead ends: 3791 [2020-10-16 12:05:11,381 INFO L226 Difference]: Without dead ends: 2891 [2020-10-16 12:05:11,382 INFO L677 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 [2020-10-16 12:05:11,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2891 states. [2020-10-16 12:05:11,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2891 to 2615. [2020-10-16 12:05:11,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2615 states. [2020-10-16 12:05:11,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2615 states to 2615 states and 9699 transitions. [2020-10-16 12:05:11,483 INFO L78 Accepts]: Start accepts. Automaton has 2615 states and 9699 transitions. Word has length 14 [2020-10-16 12:05:11,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:05:11,483 INFO L481 AbstractCegarLoop]: Abstraction has 2615 states and 9699 transitions. [2020-10-16 12:05:11,483 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 12:05:11,483 INFO L276 IsEmpty]: Start isEmpty. Operand 2615 states and 9699 transitions. [2020-10-16 12:05:11,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-16 12:05:11,486 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:05:11,486 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:05:11,486 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-16 12:05:11,486 INFO L429 AbstractCegarLoop]: === Iteration 6 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:05:11,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:05:11,487 INFO L82 PathProgramCache]: Analyzing trace with hash -1459022881, now seen corresponding path program 1 times [2020-10-16 12:05:11,487 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:05:11,487 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838350482] [2020-10-16 12:05:11,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:05:11,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:05:11,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:05:11,548 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [838350482] [2020-10-16 12:05:11,548 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:05:11,548 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 12:05:11,549 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676618089] [2020-10-16 12:05:11,551 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 12:05:11,551 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:05:11,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 12:05:11,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 12:05:11,552 INFO L87 Difference]: Start difference. First operand 2615 states and 9699 transitions. Second operand 4 states. [2020-10-16 12:05:11,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:05:11,606 INFO L93 Difference]: Finished difference Result 2578 states and 8641 transitions. [2020-10-16 12:05:11,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-16 12:05:11,607 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2020-10-16 12:05:11,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:05:11,622 INFO L225 Difference]: With dead ends: 2578 [2020-10-16 12:05:11,622 INFO L226 Difference]: Without dead ends: 1953 [2020-10-16 12:05:11,622 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-16 12:05:11,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1953 states. [2020-10-16 12:05:11,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1953 to 1953. [2020-10-16 12:05:11,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1953 states. [2020-10-16 12:05:11,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1953 states to 1953 states and 6485 transitions. [2020-10-16 12:05:11,678 INFO L78 Accepts]: Start accepts. Automaton has 1953 states and 6485 transitions. Word has length 14 [2020-10-16 12:05:11,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:05:11,678 INFO L481 AbstractCegarLoop]: Abstraction has 1953 states and 6485 transitions. [2020-10-16 12:05:11,679 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 12:05:11,679 INFO L276 IsEmpty]: Start isEmpty. Operand 1953 states and 6485 transitions. [2020-10-16 12:05:11,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-16 12:05:11,682 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:05:11,682 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:05:11,682 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-16 12:05:11,682 INFO L429 AbstractCegarLoop]: === Iteration 7 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:05:11,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:05:11,683 INFO L82 PathProgramCache]: Analyzing trace with hash 146859685, now seen corresponding path program 1 times [2020-10-16 12:05:11,683 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:05:11,683 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13924869] [2020-10-16 12:05:11,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:05:11,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:05:11,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:05:11,753 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [13924869] [2020-10-16 12:05:11,753 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:05:11,753 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 12:05:11,753 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777575781] [2020-10-16 12:05:11,754 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 12:05:11,755 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:05:11,755 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 12:05:11,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:05:11,756 INFO L87 Difference]: Start difference. First operand 1953 states and 6485 transitions. Second operand 3 states. [2020-10-16 12:05:11,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:05:11,777 INFO L93 Difference]: Finished difference Result 2877 states and 9277 transitions. [2020-10-16 12:05:11,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 12:05:11,781 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2020-10-16 12:05:11,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:05:11,789 INFO L225 Difference]: With dead ends: 2877 [2020-10-16 12:05:11,790 INFO L226 Difference]: Without dead ends: 2049 [2020-10-16 12:05:11,790 INFO L677 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 [2020-10-16 12:05:11,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2049 states. [2020-10-16 12:05:11,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2049 to 1917. [2020-10-16 12:05:11,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1917 states. [2020-10-16 12:05:11,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1917 states to 1917 states and 6108 transitions. [2020-10-16 12:05:11,848 INFO L78 Accepts]: Start accepts. Automaton has 1917 states and 6108 transitions. Word has length 16 [2020-10-16 12:05:11,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:05:11,849 INFO L481 AbstractCegarLoop]: Abstraction has 1917 states and 6108 transitions. [2020-10-16 12:05:11,849 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 12:05:11,849 INFO L276 IsEmpty]: Start isEmpty. Operand 1917 states and 6108 transitions. [2020-10-16 12:05:11,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-16 12:05:11,854 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:05:11,854 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:05:11,854 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-16 12:05:11,855 INFO L429 AbstractCegarLoop]: === Iteration 8 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:05:11,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:05:11,855 INFO L82 PathProgramCache]: Analyzing trace with hash -432933886, now seen corresponding path program 1 times [2020-10-16 12:05:11,855 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:05:11,856 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603007829] [2020-10-16 12:05:11,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:05:11,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:05:11,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:05:11,921 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603007829] [2020-10-16 12:05:11,921 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:05:11,921 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 12:05:11,921 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475779593] [2020-10-16 12:05:11,922 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 12:05:11,922 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:05:11,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 12:05:11,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:05:11,923 INFO L87 Difference]: Start difference. First operand 1917 states and 6108 transitions. Second operand 3 states. [2020-10-16 12:05:11,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:05:11,950 INFO L93 Difference]: Finished difference Result 2850 states and 8796 transitions. [2020-10-16 12:05:11,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 12:05:11,951 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-10-16 12:05:11,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:05:11,958 INFO L225 Difference]: With dead ends: 2850 [2020-10-16 12:05:11,958 INFO L226 Difference]: Without dead ends: 1998 [2020-10-16 12:05:11,963 INFO L677 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 [2020-10-16 12:05:11,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1998 states. [2020-10-16 12:05:12,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1998 to 1887. [2020-10-16 12:05:12,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1887 states. [2020-10-16 12:05:12,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1887 states to 1887 states and 5746 transitions. [2020-10-16 12:05:12,014 INFO L78 Accepts]: Start accepts. Automaton has 1887 states and 5746 transitions. Word has length 17 [2020-10-16 12:05:12,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:05:12,017 INFO L481 AbstractCegarLoop]: Abstraction has 1887 states and 5746 transitions. [2020-10-16 12:05:12,018 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 12:05:12,018 INFO L276 IsEmpty]: Start isEmpty. Operand 1887 states and 5746 transitions. [2020-10-16 12:05:12,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-16 12:05:12,021 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:05:12,021 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:05:12,021 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-16 12:05:12,022 INFO L429 AbstractCegarLoop]: === Iteration 9 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:05:12,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:05:12,022 INFO L82 PathProgramCache]: Analyzing trace with hash 679666578, now seen corresponding path program 1 times [2020-10-16 12:05:12,022 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:05:12,023 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780789246] [2020-10-16 12:05:12,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:05:12,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:05:12,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:05:12,209 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780789246] [2020-10-16 12:05:12,210 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:05:12,210 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-16 12:05:12,210 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526194995] [2020-10-16 12:05:12,211 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 12:05:12,211 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:05:12,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 12:05:12,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-16 12:05:12,212 INFO L87 Difference]: Start difference. First operand 1887 states and 5746 transitions. Second operand 5 states. [2020-10-16 12:05:12,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:05:12,276 INFO L93 Difference]: Finished difference Result 1609 states and 4474 transitions. [2020-10-16 12:05:12,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 12:05:12,277 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2020-10-16 12:05:12,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:05:12,281 INFO L225 Difference]: With dead ends: 1609 [2020-10-16 12:05:12,281 INFO L226 Difference]: Without dead ends: 1232 [2020-10-16 12:05:12,282 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-16 12:05:12,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1232 states. [2020-10-16 12:05:12,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1232 to 1232. [2020-10-16 12:05:12,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1232 states. [2020-10-16 12:05:12,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1232 states to 1232 states and 3370 transitions. [2020-10-16 12:05:12,316 INFO L78 Accepts]: Start accepts. Automaton has 1232 states and 3370 transitions. Word has length 17 [2020-10-16 12:05:12,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:05:12,316 INFO L481 AbstractCegarLoop]: Abstraction has 1232 states and 3370 transitions. [2020-10-16 12:05:12,316 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 12:05:12,317 INFO L276 IsEmpty]: Start isEmpty. Operand 1232 states and 3370 transitions. [2020-10-16 12:05:12,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-16 12:05:12,320 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:05:12,320 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:05:12,321 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-16 12:05:12,321 INFO L429 AbstractCegarLoop]: === Iteration 10 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:05:12,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:05:12,321 INFO L82 PathProgramCache]: Analyzing trace with hash 1218323897, now seen corresponding path program 1 times [2020-10-16 12:05:12,321 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:05:12,322 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433491522] [2020-10-16 12:05:12,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:05:12,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:05:12,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:05:12,449 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433491522] [2020-10-16 12:05:12,449 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:05:12,449 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-16 12:05:12,450 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236014884] [2020-10-16 12:05:12,450 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-16 12:05:12,450 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:05:12,451 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-16 12:05:12,451 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-16 12:05:12,451 INFO L87 Difference]: Start difference. First operand 1232 states and 3370 transitions. Second operand 6 states. [2020-10-16 12:05:12,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:05:12,517 INFO L93 Difference]: Finished difference Result 1090 states and 2939 transitions. [2020-10-16 12:05:12,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 12:05:12,518 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 20 [2020-10-16 12:05:12,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:05:12,520 INFO L225 Difference]: With dead ends: 1090 [2020-10-16 12:05:12,520 INFO L226 Difference]: Without dead ends: 841 [2020-10-16 12:05:12,521 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2020-10-16 12:05:12,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 841 states. [2020-10-16 12:05:12,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 841 to 841. [2020-10-16 12:05:12,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 841 states. [2020-10-16 12:05:12,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 841 states to 841 states and 2263 transitions. [2020-10-16 12:05:12,542 INFO L78 Accepts]: Start accepts. Automaton has 841 states and 2263 transitions. Word has length 20 [2020-10-16 12:05:12,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:05:12,542 INFO L481 AbstractCegarLoop]: Abstraction has 841 states and 2263 transitions. [2020-10-16 12:05:12,543 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-16 12:05:12,543 INFO L276 IsEmpty]: Start isEmpty. Operand 841 states and 2263 transitions. [2020-10-16 12:05:12,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-16 12:05:12,545 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:05:12,545 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:05:12,546 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-16 12:05:12,546 INFO L429 AbstractCegarLoop]: === Iteration 11 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:05:12,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:05:12,546 INFO L82 PathProgramCache]: Analyzing trace with hash 1332983847, now seen corresponding path program 1 times [2020-10-16 12:05:12,546 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:05:12,547 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008144752] [2020-10-16 12:05:12,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:05:12,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:05:12,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:05:12,651 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008144752] [2020-10-16 12:05:12,651 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:05:12,651 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-16 12:05:12,652 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858755799] [2020-10-16 12:05:12,652 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-16 12:05:12,652 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:05:12,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-16 12:05:12,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-16 12:05:12,653 INFO L87 Difference]: Start difference. First operand 841 states and 2263 transitions. Second operand 7 states. [2020-10-16 12:05:12,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:05:12,733 INFO L93 Difference]: Finished difference Result 813 states and 2208 transitions. [2020-10-16 12:05:12,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-16 12:05:12,734 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 23 [2020-10-16 12:05:12,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:05:12,735 INFO L225 Difference]: With dead ends: 813 [2020-10-16 12:05:12,735 INFO L226 Difference]: Without dead ends: 316 [2020-10-16 12:05:12,736 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2020-10-16 12:05:12,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2020-10-16 12:05:12,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 316. [2020-10-16 12:05:12,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 316 states. [2020-10-16 12:05:12,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 859 transitions. [2020-10-16 12:05:12,743 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 859 transitions. Word has length 23 [2020-10-16 12:05:12,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:05:12,744 INFO L481 AbstractCegarLoop]: Abstraction has 316 states and 859 transitions. [2020-10-16 12:05:12,744 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-16 12:05:12,744 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 859 transitions. [2020-10-16 12:05:12,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-16 12:05:12,745 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:05:12,746 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:05:12,746 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-16 12:05:12,746 INFO L429 AbstractCegarLoop]: === Iteration 12 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:05:12,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:05:12,746 INFO L82 PathProgramCache]: Analyzing trace with hash 1993941341, now seen corresponding path program 1 times [2020-10-16 12:05:12,747 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:05:12,747 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058426286] [2020-10-16 12:05:12,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:05:12,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:05:13,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:05:13,155 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058426286] [2020-10-16 12:05:13,155 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:05:13,155 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-16 12:05:13,156 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105293487] [2020-10-16 12:05:13,156 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-16 12:05:13,156 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:05:13,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-16 12:05:13,157 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2020-10-16 12:05:13,157 INFO L87 Difference]: Start difference. First operand 316 states and 859 transitions. Second operand 12 states. [2020-10-16 12:05:13,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:05:13,895 INFO L93 Difference]: Finished difference Result 420 states and 1103 transitions. [2020-10-16 12:05:13,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-16 12:05:13,896 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 27 [2020-10-16 12:05:13,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:05:13,897 INFO L225 Difference]: With dead ends: 420 [2020-10-16 12:05:13,898 INFO L226 Difference]: Without dead ends: 324 [2020-10-16 12:05:13,900 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=57, Invalid=249, Unknown=0, NotChecked=0, Total=306 [2020-10-16 12:05:13,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2020-10-16 12:05:13,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 324. [2020-10-16 12:05:13,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 324 states. [2020-10-16 12:05:13,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 878 transitions. [2020-10-16 12:05:13,910 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 878 transitions. Word has length 27 [2020-10-16 12:05:13,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:05:13,911 INFO L481 AbstractCegarLoop]: Abstraction has 324 states and 878 transitions. [2020-10-16 12:05:13,911 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-16 12:05:13,911 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 878 transitions. [2020-10-16 12:05:13,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-16 12:05:13,912 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:05:13,913 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:05:13,913 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-16 12:05:13,913 INFO L429 AbstractCegarLoop]: === Iteration 13 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:05:13,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:05:13,913 INFO L82 PathProgramCache]: Analyzing trace with hash -752088943, now seen corresponding path program 2 times [2020-10-16 12:05:13,914 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:05:13,914 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412850555] [2020-10-16 12:05:13,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:05:13,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:05:14,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:05:14,287 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412850555] [2020-10-16 12:05:14,287 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:05:14,287 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-16 12:05:14,287 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042852340] [2020-10-16 12:05:14,288 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-16 12:05:14,288 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:05:14,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-16 12:05:14,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-16 12:05:14,289 INFO L87 Difference]: Start difference. First operand 324 states and 878 transitions. Second operand 7 states. [2020-10-16 12:05:14,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:05:14,425 INFO L93 Difference]: Finished difference Result 464 states and 1230 transitions. [2020-10-16 12:05:14,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 12:05:14,427 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 27 [2020-10-16 12:05:14,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:05:14,428 INFO L225 Difference]: With dead ends: 464 [2020-10-16 12:05:14,429 INFO L226 Difference]: Without dead ends: 272 [2020-10-16 12:05:14,429 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-10-16 12:05:14,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2020-10-16 12:05:14,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 272. [2020-10-16 12:05:14,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 272 states. [2020-10-16 12:05:14,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 716 transitions. [2020-10-16 12:05:14,437 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 716 transitions. Word has length 27 [2020-10-16 12:05:14,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:05:14,437 INFO L481 AbstractCegarLoop]: Abstraction has 272 states and 716 transitions. [2020-10-16 12:05:14,437 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-16 12:05:14,437 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 716 transitions. [2020-10-16 12:05:14,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-16 12:05:14,438 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:05:14,438 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:05:14,439 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-16 12:05:14,439 INFO L429 AbstractCegarLoop]: === Iteration 14 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:05:14,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:05:14,439 INFO L82 PathProgramCache]: Analyzing trace with hash -1558186805, now seen corresponding path program 3 times [2020-10-16 12:05:14,439 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:05:14,440 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900958330] [2020-10-16 12:05:14,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:05:14,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:05:14,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:05:14,650 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1900958330] [2020-10-16 12:05:14,651 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:05:14,651 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-16 12:05:14,651 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789212687] [2020-10-16 12:05:14,651 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-16 12:05:14,652 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:05:14,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-16 12:05:14,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-16 12:05:14,652 INFO L87 Difference]: Start difference. First operand 272 states and 716 transitions. Second operand 7 states. [2020-10-16 12:05:14,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:05:14,810 INFO L93 Difference]: Finished difference Result 292 states and 751 transitions. [2020-10-16 12:05:14,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-16 12:05:14,811 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 27 [2020-10-16 12:05:14,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:05:14,813 INFO L225 Difference]: With dead ends: 292 [2020-10-16 12:05:14,813 INFO L226 Difference]: Without dead ends: 272 [2020-10-16 12:05:14,814 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2020-10-16 12:05:14,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2020-10-16 12:05:14,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 268. [2020-10-16 12:05:14,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 268 states. [2020-10-16 12:05:14,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 703 transitions. [2020-10-16 12:05:14,821 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 703 transitions. Word has length 27 [2020-10-16 12:05:14,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:05:14,821 INFO L481 AbstractCegarLoop]: Abstraction has 268 states and 703 transitions. [2020-10-16 12:05:14,821 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-16 12:05:14,821 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 703 transitions. [2020-10-16 12:05:14,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-16 12:05:14,822 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:05:14,823 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:05:14,823 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-16 12:05:14,823 INFO L429 AbstractCegarLoop]: === Iteration 15 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:05:14,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:05:14,823 INFO L82 PathProgramCache]: Analyzing trace with hash 1219248867, now seen corresponding path program 4 times [2020-10-16 12:05:14,824 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:05:14,824 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946732521] [2020-10-16 12:05:14,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:05:14,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:05:15,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:05:15,081 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946732521] [2020-10-16 12:05:15,081 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:05:15,081 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-16 12:05:15,081 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137274495] [2020-10-16 12:05:15,082 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-16 12:05:15,082 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:05:15,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-16 12:05:15,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-16 12:05:15,083 INFO L87 Difference]: Start difference. First operand 268 states and 703 transitions. Second operand 8 states. [2020-10-16 12:05:15,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:05:15,335 INFO L93 Difference]: Finished difference Result 400 states and 1009 transitions. [2020-10-16 12:05:15,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-16 12:05:15,336 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 27 [2020-10-16 12:05:15,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:05:15,337 INFO L225 Difference]: With dead ends: 400 [2020-10-16 12:05:15,337 INFO L226 Difference]: Without dead ends: 289 [2020-10-16 12:05:15,337 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-10-16 12:05:15,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2020-10-16 12:05:15,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 252. [2020-10-16 12:05:15,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 252 states. [2020-10-16 12:05:15,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 631 transitions. [2020-10-16 12:05:15,344 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 631 transitions. Word has length 27 [2020-10-16 12:05:15,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:05:15,344 INFO L481 AbstractCegarLoop]: Abstraction has 252 states and 631 transitions. [2020-10-16 12:05:15,344 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-16 12:05:15,344 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 631 transitions. [2020-10-16 12:05:15,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-16 12:05:15,345 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:05:15,345 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:05:15,346 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-16 12:05:15,346 INFO L429 AbstractCegarLoop]: === Iteration 16 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:05:15,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:05:15,346 INFO L82 PathProgramCache]: Analyzing trace with hash -1022528501, now seen corresponding path program 5 times [2020-10-16 12:05:15,346 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:05:15,347 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268936225] [2020-10-16 12:05:15,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:05:15,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 12:05:15,398 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 12:05:15,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 12:05:15,453 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 12:05:15,494 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-16 12:05:15,494 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-16 12:05:15,494 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-16 12:05:15,496 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-16 12:05:15,529 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [1154] [1154] L856-->L864: Formula: (let ((.cse7 (= (mod ~a$w_buff0_used~0_In-1000875128 256) 0)) (.cse6 (= (mod ~a$r_buff0_thd0~0_In-1000875128 256) 0)) (.cse8 (= (mod ~a$r_buff1_thd0~0_In-1000875128 256) 0)) (.cse9 (= (mod ~a$w_buff1_used~0_In-1000875128 256) 0))) (let ((.cse0 (not .cse9)) (.cse1 (not .cse8)) (.cse2 (or .cse8 .cse9)) (.cse4 (not .cse6)) (.cse5 (not .cse7)) (.cse3 (or .cse6 .cse7))) (and (or (and (= ~a$w_buff1_used~0_Out-1000875128 0) .cse0 .cse1) (and (= ~a$w_buff1_used~0_In-1000875128 ~a$w_buff1_used~0_Out-1000875128) .cse2)) (= |ULTIMATE.start_assume_abort_if_not_#in~cond_Out-1000875128| (mod ~main$tmp_guard0~0_In-1000875128 256)) (= ~a$r_buff0_thd0~0_Out-1000875128 ~a$r_buff0_thd0~0_In-1000875128) (or (and (or (and (= ~a$w_buff1~0_In-1000875128 ~a~0_Out-1000875128) .cse0 .cse1) (and (= ~a~0_Out-1000875128 ~a~0_In-1000875128) .cse2)) .cse3) (and .cse4 .cse5 (= ~a~0_Out-1000875128 ~a$w_buff0~0_In-1000875128))) (not (= ULTIMATE.start_assume_abort_if_not_~cond_Out-1000875128 0)) (= ~a$r_buff1_thd0~0_Out-1000875128 ~a$r_buff1_thd0~0_In-1000875128) (or (and (= ~a$w_buff0_used~0_Out-1000875128 0) .cse4 .cse5) (and (= ~a$w_buff0_used~0_Out-1000875128 ~a$w_buff0_used~0_In-1000875128) .cse3)) (= ULTIMATE.start_assume_abort_if_not_~cond_Out-1000875128 |ULTIMATE.start_assume_abort_if_not_#in~cond_Out-1000875128|)))) InVars {~a~0=~a~0_In-1000875128, ~a$w_buff1~0=~a$w_buff1~0_In-1000875128, ~a$w_buff0~0=~a$w_buff0~0_In-1000875128, ~a$r_buff1_thd0~0=~a$r_buff1_thd0~0_In-1000875128, ~a$w_buff0_used~0=~a$w_buff0_used~0_In-1000875128, ~a$r_buff0_thd0~0=~a$r_buff0_thd0~0_In-1000875128, ~a$w_buff1_used~0=~a$w_buff1_used~0_In-1000875128, ~main$tmp_guard0~0=~main$tmp_guard0~0_In-1000875128} OutVars{ULTIMATE.start_main_#t~ite58=|ULTIMATE.start_main_#t~ite58_Out-1000875128|, ~a$w_buff0_used~0=~a$w_buff0_used~0_Out-1000875128, ULTIMATE.start_main_#t~ite57=|ULTIMATE.start_main_#t~ite57_Out-1000875128|, ~a$r_buff0_thd0~0=~a$r_buff0_thd0~0_Out-1000875128, ~main$tmp_guard0~0=~main$tmp_guard0~0_In-1000875128, ULTIMATE.start_main_#t~ite54=|ULTIMATE.start_main_#t~ite54_Out-1000875128|, ULTIMATE.start_main_#t~ite53=|ULTIMATE.start_main_#t~ite53_Out-1000875128|, ULTIMATE.start_main_#t~ite56=|ULTIMATE.start_main_#t~ite56_Out-1000875128|, ULTIMATE.start_main_#t~ite55=|ULTIMATE.start_main_#t~ite55_Out-1000875128|, ~a~0=~a~0_Out-1000875128, ULTIMATE.start_assume_abort_if_not_#in~cond=|ULTIMATE.start_assume_abort_if_not_#in~cond_Out-1000875128|, ULTIMATE.start_assume_abort_if_not_~cond=ULTIMATE.start_assume_abort_if_not_~cond_Out-1000875128, ~a$w_buff1~0=~a$w_buff1~0_In-1000875128, ~a$w_buff0~0=~a$w_buff0~0_In-1000875128, ~a$r_buff1_thd0~0=~a$r_buff1_thd0~0_Out-1000875128, ~a$w_buff1_used~0=~a$w_buff1_used~0_Out-1000875128} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite58, ~a$w_buff0_used~0, ULTIMATE.start_main_#t~ite57, ~a$r_buff0_thd0~0, ULTIMATE.start_main_#t~ite54, ULTIMATE.start_main_#t~ite53, ULTIMATE.start_main_#t~ite56, ULTIMATE.start_main_#t~ite55, ~a~0, ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start_assume_abort_if_not_~cond, ~a$r_buff1_thd0~0, ~a$w_buff1_used~0] because there is no mapped edge [2020-10-16 12:05:15,535 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:05:15,535 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:05:15,539 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:05:15,539 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:05:15,539 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:05:15,539 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:05:15,540 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:05:15,540 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:05:15,540 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:05:15,540 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:05:15,540 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:05:15,540 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:05:15,541 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:05:15,541 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:05:15,542 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:05:15,542 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:05:15,542 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:05:15,542 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:05:15,543 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:05:15,543 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:05:15,543 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:05:15,543 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:05:15,543 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:05:15,544 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:05:15,544 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:05:15,544 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:05:15,544 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:05:15,544 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:05:15,544 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:05:15,545 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:05:15,545 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:05:15,545 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:05:15,545 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:05:15,545 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:05:15,545 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:05:15,546 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:05:15,546 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:05:15,546 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:05:15,546 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:05:15,546 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:05:15,547 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:05:15,547 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:05:15,547 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:05:15,547 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:05:15,547 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:05:15,547 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:05:15,548 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:05:15,548 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:05:15,548 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:05:15,548 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:05:15,548 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:05:15,548 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:05:15,549 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:05:15,549 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:05:15,549 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:05:15,549 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:05:15,549 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:05:15,549 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:05:15,550 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:05:15,550 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:05:15,550 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:05:15,550 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:05:15,551 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:05:15,551 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:05:15,551 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:05:15,552 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:05:15,552 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:05:15,552 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:05:15,552 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:05:15,552 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:05:15,552 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:05:15,552 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:05:15,553 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:05:15,553 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:05:15,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 12:05:15 BasicIcfg [2020-10-16 12:05:15,634 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-16 12:05:15,635 INFO L168 Benchmark]: Toolchain (without parser) took 12978.27 ms. Allocated memory was 138.9 MB in the beginning and 404.8 MB in the end (delta: 265.8 MB). Free memory was 100.0 MB in the beginning and 87.3 MB in the end (delta: 12.7 MB). Peak memory consumption was 278.5 MB. Max. memory is 7.1 GB. [2020-10-16 12:05:15,635 INFO L168 Benchmark]: CDTParser took 0.49 ms. Allocated memory is still 138.9 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-16 12:05:15,636 INFO L168 Benchmark]: CACSL2BoogieTranslator took 811.70 ms. Allocated memory was 138.9 MB in the beginning and 203.9 MB in the end (delta: 65.0 MB). Free memory was 99.8 MB in the beginning and 156.7 MB in the end (delta: -56.9 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. [2020-10-16 12:05:15,637 INFO L168 Benchmark]: Boogie Procedure Inliner took 61.64 ms. Allocated memory is still 203.9 MB. Free memory was 156.7 MB in the beginning and 153.9 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. [2020-10-16 12:05:15,640 INFO L168 Benchmark]: Boogie Preprocessor took 43.84 ms. Allocated memory is still 203.9 MB. Free memory was 153.9 MB in the beginning and 151.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2020-10-16 12:05:15,641 INFO L168 Benchmark]: RCFGBuilder took 2613.03 ms. Allocated memory was 203.9 MB in the beginning and 250.1 MB in the end (delta: 46.1 MB). Free memory was 151.2 MB in the beginning and 146.5 MB in the end (delta: 4.7 MB). Peak memory consumption was 103.4 MB. Max. memory is 7.1 GB. [2020-10-16 12:05:15,642 INFO L168 Benchmark]: TraceAbstraction took 9442.65 ms. Allocated memory was 250.1 MB in the beginning and 404.8 MB in the end (delta: 154.7 MB). Free memory was 146.5 MB in the beginning and 87.3 MB in the end (delta: 59.2 MB). Peak memory consumption was 213.9 MB. Max. memory is 7.1 GB. [2020-10-16 12:05:15,646 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49 ms. Allocated memory is still 138.9 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 811.70 ms. Allocated memory was 138.9 MB in the beginning and 203.9 MB in the end (delta: 65.0 MB). Free memory was 99.8 MB in the beginning and 156.7 MB in the end (delta: -56.9 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 61.64 ms. Allocated memory is still 203.9 MB. Free memory was 156.7 MB in the beginning and 153.9 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 43.84 ms. Allocated memory is still 203.9 MB. Free memory was 153.9 MB in the beginning and 151.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2613.03 ms. Allocated memory was 203.9 MB in the beginning and 250.1 MB in the end (delta: 46.1 MB). Free memory was 151.2 MB in the beginning and 146.5 MB in the end (delta: 4.7 MB). Peak memory consumption was 103.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 9442.65 ms. Allocated memory was 250.1 MB in the beginning and 404.8 MB in the end (delta: 154.7 MB). Free memory was 146.5 MB in the beginning and 87.3 MB in the end (delta: 59.2 MB). Peak memory consumption was 213.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1364 VarBasedMoverChecksPositive, 42 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 161 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 2.9s, 120 PlacesBefore, 46 PlacesAfterwards, 109 TransitionsBefore, 33 TransitionsAfterwards, 2614 CoEnabledTransitionPairs, 7 FixpointIterations, 34 TrivialSequentialCompositions, 48 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 2 ChoiceCompositions, 90 TotalNumberOfCompositions, 8128 MoverChecksTotal - CounterExampleResult [Line: 7]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L699] 0 int __unbuffered_cnt = 0; [L701] 0 int __unbuffered_p3_EAX = 0; [L703] 0 int a = 0; [L704] 0 _Bool a$flush_delayed; [L705] 0 int a$mem_tmp; [L706] 0 _Bool a$r_buff0_thd0; [L707] 0 _Bool a$r_buff0_thd1; [L708] 0 _Bool a$r_buff0_thd2; [L709] 0 _Bool a$r_buff0_thd3; [L710] 0 _Bool a$r_buff0_thd4; [L711] 0 _Bool a$r_buff1_thd0; [L712] 0 _Bool a$r_buff1_thd1; [L713] 0 _Bool a$r_buff1_thd2; [L714] 0 _Bool a$r_buff1_thd3; [L715] 0 _Bool a$r_buff1_thd4; [L716] 0 _Bool a$read_delayed; [L717] 0 int *a$read_delayed_var; [L718] 0 int a$w_buff0; [L719] 0 _Bool a$w_buff0_used; [L720] 0 int a$w_buff1; [L721] 0 _Bool a$w_buff1_used; [L722] 0 _Bool main$tmp_guard0; [L723] 0 _Bool main$tmp_guard1; [L725] 0 int x = 0; [L727] 0 int y = 0; [L729] 0 int z = 0; [L730] 0 _Bool weak$$choice0; [L731] 0 _Bool weak$$choice2; [L846] 0 pthread_t t1521; [L847] FCALL, FORK 0 pthread_create(&t1521, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L735] 1 a$w_buff1 = a$w_buff0 [L736] 1 a$w_buff0 = 1 [L737] 1 a$w_buff1_used = a$w_buff0_used [L738] 1 a$w_buff0_used = (_Bool)1 [L7] COND TRUE 1 !expression [L7] 1 __VERIFIER_error() [L740] 1 a$r_buff1_thd0 = a$r_buff0_thd0 [L741] 1 a$r_buff1_thd1 = a$r_buff0_thd1 [L742] 1 a$r_buff1_thd2 = a$r_buff0_thd2 [L743] 1 a$r_buff1_thd3 = a$r_buff0_thd3 [L744] 1 a$r_buff1_thd4 = a$r_buff0_thd4 [L745] 1 a$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L748] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L848] 0 pthread_t t1522; [L849] FCALL, FORK 0 pthread_create(&t1522, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L850] 0 pthread_t t1523; [L851] FCALL, FORK 0 pthread_create(&t1523, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L852] 0 pthread_t t1524; [L853] FCALL, FORK 0 pthread_create(&t1524, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L765] 2 x = 2 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, z=0] [L768] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=0] [L785] 3 y = 2 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z=0] [L788] 3 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z=1] [L791] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a) [L791] EXPR 3 a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a [L791] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a) [L791] 3 a = a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a) [L792] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used [L792] 3 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used [L793] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$w_buff1_used [L793] 3 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$w_buff1_used [L794] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3 [L794] 3 a$r_buff0_thd3 = a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3 [L795] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$r_buff1_thd3 [L795] 3 a$r_buff1_thd3 = a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$r_buff1_thd3 [L798] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L800] 3 return 0; [L805] 4 z = 2 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z=2] [L808] 4 weak$$choice0 = __VERIFIER_nondet_bool() [L809] 4 weak$$choice2 = __VERIFIER_nondet_bool() [L810] 4 a$flush_delayed = weak$$choice2 [L811] 4 a$mem_tmp = a [L812] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff1) [L812] 4 a = !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff1) [L813] EXPR 4 weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff0)) [L813] 4 a$w_buff0 = weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff0)) [L814] EXPR 4 weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff1 : a$w_buff1)) [L814] 4 a$w_buff1 = weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff1 : a$w_buff1)) [L815] EXPR 4 weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used)) [L815] 4 a$w_buff0_used = weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used)) [L816] EXPR 4 weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L816] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0) [L816] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0 [L816] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0) [L816] EXPR 4 weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L816] 4 a$w_buff1_used = weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L817] EXPR 4 weak$$choice2 ? a$r_buff0_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff0_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4)) [L817] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff0_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4) [L817] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4 [L817] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff0_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4) [L817] EXPR 4 weak$$choice2 ? a$r_buff0_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff0_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4)) [L817] 4 a$r_buff0_thd4 = weak$$choice2 ? a$r_buff0_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff0_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4)) [L818] EXPR 4 weak$$choice2 ? a$r_buff1_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff1_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L818] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff1_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0) [L818] EXPR 4 weak$$choice2 ? a$r_buff1_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff1_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L818] 4 a$r_buff1_thd4 = weak$$choice2 ? a$r_buff1_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff1_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L819] 4 __unbuffered_p3_EAX = a [L820] EXPR 4 a$flush_delayed ? a$mem_tmp : a [L820] 4 a = a$flush_delayed ? a$mem_tmp : a [L821] 4 a$flush_delayed = (_Bool)0 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=9, weak$$choice2=255, x=2, y=2, z=2] [L751] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd1 ? a$w_buff1 : a) [L751] 1 a = a$w_buff0_used && a$r_buff0_thd1 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd1 ? a$w_buff1 : a) [L752] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$w_buff0_used [L752] 1 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$w_buff0_used [L753] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$w_buff1_used [L753] 1 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$w_buff1_used [L754] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$r_buff0_thd1 [L754] 1 a$r_buff0_thd1 = a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$r_buff0_thd1 [L755] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$r_buff1_thd1 [L755] 1 a$r_buff1_thd1 = a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$r_buff1_thd1 [L824] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd4 ? a$w_buff1 : a) [L824] EXPR 4 a$w_buff1_used && a$r_buff1_thd4 ? a$w_buff1 : a [L824] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd4 ? a$w_buff1 : a) [L824] 4 a = a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd4 ? a$w_buff1 : a) [L825] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used [L825] 4 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used [L826] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$w_buff1_used [L826] 4 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$w_buff1_used [L827] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4 [L827] 4 a$r_buff0_thd4 = a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4 [L828] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$r_buff1_thd4 [L828] 4 a$r_buff1_thd4 = a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$r_buff1_thd4 [L831] 4 __unbuffered_cnt = __unbuffered_cnt + 1 [L833] 4 return 0; [L758] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L760] 1 return 0; [L771] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) [L771] EXPR 2 a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a [L771] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) [L771] 2 a = a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) [L772] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$w_buff0_used [L772] 2 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$w_buff0_used [L773] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$w_buff1_used [L773] 2 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$w_buff1_used [L774] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$r_buff0_thd2 [L774] 2 a$r_buff0_thd2 = a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$r_buff0_thd2 [L775] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$r_buff1_thd2 [L775] 2 a$r_buff1_thd2 = a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$r_buff1_thd2 [L778] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L780] 2 return 0; [L855] 0 main$tmp_guard0 = __unbuffered_cnt == 4 VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p3_EAX=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=9, weak$$choice2=255, x=2, y=2, z=2] [L866] 0 main$tmp_guard1 = !(x == 2 && y == 2 && z == 2 && __unbuffered_p3_EAX == 0) [L7] COND TRUE 0 !expression [L7] 0 __VERIFIER_error() VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p3_EAX=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=9, weak$$choice2=255, x=2, y=2, z=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 108 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 9.1s, OverallIterations: 16, TraceHistogramMax: 1, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.2s, HoareTripleCheckerStatistics: 496 SDtfs, 764 SDslu, 1068 SDs, 0 SdLazy, 745 SolverSat, 171 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 78 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4124occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 15 MinimizatonAttempts, 560 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 295 NumberOfCodeBlocks, 295 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 253 ConstructedInterpolants, 0 QuantifiedInterpolants, 49041 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 15 PerfectInterpolantSequences, 0/0 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...