/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/VMCAI2021_PN.epf -i ../../../trunk/examples/svcomp/pthread-wmm/mix011_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-11af1e5 [2020-10-11 18:10:12,496 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-11 18:10:12,499 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-11 18:10:12,523 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-11 18:10:12,523 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-11 18:10:12,524 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-11 18:10:12,526 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-11 18:10:12,528 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-11 18:10:12,529 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-11 18:10:12,530 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-11 18:10:12,531 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-11 18:10:12,532 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-11 18:10:12,532 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-11 18:10:12,533 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-11 18:10:12,534 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-11 18:10:12,535 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-11 18:10:12,536 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-11 18:10:12,537 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-11 18:10:12,539 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-11 18:10:12,541 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-11 18:10:12,543 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-11 18:10:12,544 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-11 18:10:12,545 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-11 18:10:12,546 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-11 18:10:12,548 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-11 18:10:12,549 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-11 18:10:12,549 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-11 18:10:12,550 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-11 18:10:12,550 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-11 18:10:12,551 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-11 18:10:12,551 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-11 18:10:12,552 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-11 18:10:12,553 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-11 18:10:12,554 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-11 18:10:12,557 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-11 18:10:12,557 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-11 18:10:12,558 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-11 18:10:12,558 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-11 18:10:12,558 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-11 18:10:12,559 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-11 18:10:12,560 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-11 18:10:12,562 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/VMCAI2021_PN.epf [2020-10-11 18:10:12,611 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-11 18:10:12,612 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-11 18:10:12,613 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-11 18:10:12,616 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-11 18:10:12,616 INFO L138 SettingsManager]: * Use SBE=true [2020-10-11 18:10:12,617 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-11 18:10:12,617 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-11 18:10:12,617 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-11 18:10:12,617 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-11 18:10:12,617 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-11 18:10:12,618 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-11 18:10:12,618 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-11 18:10:12,618 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-11 18:10:12,618 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-11 18:10:12,618 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-11 18:10:12,618 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-11 18:10:12,619 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-11 18:10:12,619 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-11 18:10:12,622 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-11 18:10:12,622 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-11 18:10:12,623 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-11 18:10:12,623 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-11 18:10:12,623 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-11 18:10:12,623 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-11 18:10:12,623 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-11 18:10:12,624 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-11 18:10:12,624 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-11 18:10:12,624 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-10-11 18:10:12,624 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2020-10-11 18:10:12,624 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-11 18:10:12,940 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-11 18:10:12,957 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-11 18:10:12,962 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-11 18:10:12,964 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-11 18:10:12,964 INFO L275 PluginConnector]: CDTParser initialized [2020-10-11 18:10:12,965 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix011_pso.opt.i [2020-10-11 18:10:13,037 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dafe4cd0e/82e40e801da7431abd541acf13a36431/FLAG1dadfa0f0 [2020-10-11 18:10:13,607 INFO L306 CDTParser]: Found 1 translation units. [2020-10-11 18:10:13,609 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix011_pso.opt.i [2020-10-11 18:10:13,640 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dafe4cd0e/82e40e801da7431abd541acf13a36431/FLAG1dadfa0f0 [2020-10-11 18:10:13,881 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dafe4cd0e/82e40e801da7431abd541acf13a36431 [2020-10-11 18:10:13,893 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-11 18:10:13,896 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-11 18:10:13,899 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-11 18:10:13,899 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-11 18:10:13,904 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-11 18:10:13,906 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 06:10:13" (1/1) ... [2020-10-11 18:10:13,909 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@768502e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:10:13, skipping insertion in model container [2020-10-11 18:10:13,910 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 06:10:13" (1/1) ... [2020-10-11 18:10:13,918 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-11 18:10:13,984 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-11 18:10:14,423 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-11 18:10:14,534 INFO L203 MainTranslator]: Completed pre-run [2020-10-11 18:10:14,642 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-11 18:10:14,713 INFO L208 MainTranslator]: Completed translation [2020-10-11 18:10:14,714 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:10:14 WrapperNode [2020-10-11 18:10:14,714 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-11 18:10:14,715 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-11 18:10:14,715 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-11 18:10:14,715 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-11 18:10:14,722 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:10:14" (1/1) ... [2020-10-11 18:10:14,743 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:10:14" (1/1) ... [2020-10-11 18:10:14,779 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-11 18:10:14,779 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-11 18:10:14,779 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-11 18:10:14,780 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-11 18:10:14,788 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:10:14" (1/1) ... [2020-10-11 18:10:14,789 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:10:14" (1/1) ... [2020-10-11 18:10:14,794 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:10:14" (1/1) ... [2020-10-11 18:10:14,795 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:10:14" (1/1) ... [2020-10-11 18:10:14,806 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:10:14" (1/1) ... [2020-10-11 18:10:14,811 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:10:14" (1/1) ... [2020-10-11 18:10:14,814 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:10:14" (1/1) ... [2020-10-11 18:10:14,819 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-11 18:10:14,820 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-11 18:10:14,820 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-11 18:10:14,820 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-11 18:10:14,821 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:10:14" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-11 18:10:14,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-11 18:10:14,887 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-11 18:10:14,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-11 18:10:14,888 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-11 18:10:14,888 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-11 18:10:14,889 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-11 18:10:14,889 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-11 18:10:14,890 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-11 18:10:14,890 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-11 18:10:14,891 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-11 18:10:14,891 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-11 18:10:14,891 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-11 18:10:14,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-11 18:10:14,893 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-11 18:10:17,417 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-11 18:10:17,417 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-11 18:10:17,420 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 06:10:17 BoogieIcfgContainer [2020-10-11 18:10:17,420 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-11 18:10:17,421 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-11 18:10:17,421 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-11 18:10:17,425 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-11 18:10:17,425 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 06:10:13" (1/3) ... [2020-10-11 18:10:17,426 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ad0df8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 06:10:17, skipping insertion in model container [2020-10-11 18:10:17,427 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:10:14" (2/3) ... [2020-10-11 18:10:17,427 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ad0df8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 06:10:17, skipping insertion in model container [2020-10-11 18:10:17,427 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 06:10:17" (3/3) ... [2020-10-11 18:10:17,429 INFO L111 eAbstractionObserver]: Analyzing ICFG mix011_pso.opt.i [2020-10-11 18:10:17,441 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-11 18:10:17,450 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-11 18:10:17,452 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-11 18:10:17,488 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,488 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,488 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,489 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,489 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,489 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,490 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,490 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,490 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,490 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,491 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,491 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,491 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,491 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,491 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,491 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,492 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,492 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,492 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,492 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,492 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,492 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,493 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,493 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,493 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,493 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,493 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,493 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,494 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,494 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,494 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,494 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,494 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,494 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,494 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,495 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,495 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,495 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,495 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,495 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,496 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,496 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,496 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,496 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,496 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,496 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,497 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,497 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,498 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,499 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,499 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,499 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,500 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,500 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,500 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,500 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,500 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,501 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,501 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,501 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,501 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,501 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,502 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,502 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,502 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,502 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,502 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,502 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,503 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,503 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,503 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,503 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,503 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,503 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,503 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,504 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,504 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,504 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,504 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,504 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,504 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,505 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,505 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,505 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,505 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,505 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,505 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,506 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,506 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,506 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,506 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,506 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,506 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,506 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,507 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,507 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,508 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,509 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,509 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,509 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,509 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,509 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,509 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,510 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,510 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,514 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,514 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,514 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,515 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,519 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,519 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,519 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,519 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,520 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,520 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,520 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,520 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,520 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,521 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,521 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,521 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,521 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,521 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,521 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,522 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,522 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,522 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,522 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,522 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,523 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,523 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,523 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,523 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,523 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,523 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,524 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,526 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,526 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,527 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,527 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,527 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,527 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,527 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,527 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,528 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,528 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,528 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,528 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,528 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,528 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,529 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,529 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,529 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,529 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,529 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,530 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,530 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,530 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,530 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,530 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,530 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,531 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,531 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,531 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,531 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,531 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,531 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,532 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,532 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,532 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,532 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:10:17,550 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-10-11 18:10:17,569 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-11 18:10:17,570 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-11 18:10:17,570 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-11 18:10:17,570 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-11 18:10:17,570 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-11 18:10:17,570 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-11 18:10:17,570 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-11 18:10:17,570 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-11 18:10:17,584 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 105 places, 97 transitions, 209 flow [2020-10-11 18:10:17,630 INFO L129 PetriNetUnfolder]: 2/94 cut-off events. [2020-10-11 18:10:17,630 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-11 18:10:17,635 INFO L80 FinitePrefix]: Finished finitePrefix Result has 104 conditions, 94 events. 2/94 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 72 event pairs, 0 based on Foata normal form. 0/90 useless extension candidates. Maximal degree in co-relation 61. Up to 2 conditions per place. [2020-10-11 18:10:17,636 INFO L82 GeneralOperation]: Start removeDead. Operand has 105 places, 97 transitions, 209 flow [2020-10-11 18:10:17,642 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 102 places, 94 transitions, 197 flow [2020-10-11 18:10:17,665 INFO L129 PetriNetUnfolder]: 0/60 cut-off events. [2020-10-11 18:10:17,665 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-11 18:10:17,665 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 18:10:17,666 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 18:10:17,667 INFO L429 AbstractCegarLoop]: === Iteration 1 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 18:10:17,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 18:10:17,673 INFO L82 PathProgramCache]: Analyzing trace with hash 22604670, now seen corresponding path program 1 times [2020-10-11 18:10:17,683 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 18:10:17,684 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905086363] [2020-10-11 18:10:17,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 18:10:17,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 18:10:18,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 18:10:18,019 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1905086363] [2020-10-11 18:10:18,020 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 18:10:18,024 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-11 18:10:18,025 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095767579] [2020-10-11 18:10:18,034 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-11 18:10:18,035 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 18:10:18,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-11 18:10:18,048 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-11 18:10:18,153 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 92 out of 97 [2020-10-11 18:10:18,155 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 94 transitions, 197 flow. Second operand 3 states. [2020-10-11 18:10:18,155 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 18:10:18,155 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 92 of 97 [2020-10-11 18:10:18,157 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 18:10:18,187 INFO L129 PetriNetUnfolder]: 0/91 cut-off events. [2020-10-11 18:10:18,188 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-11 18:10:18,188 INFO L80 FinitePrefix]: Finished finitePrefix Result has 104 conditions, 91 events. 0/91 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 58 event pairs, 0 based on Foata normal form. 4/93 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2020-10-11 18:10:18,190 INFO L132 encePairwiseOnDemand]: 92/97 looper letters, 0 selfloop transitions, 2 changer transitions 11/91 dead transitions. [2020-10-11 18:10:18,190 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 91 transitions, 195 flow [2020-10-11 18:10:18,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-11 18:10:18,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-11 18:10:18,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 283 transitions. [2020-10-11 18:10:18,207 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.9725085910652921 [2020-10-11 18:10:18,208 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 283 transitions. [2020-10-11 18:10:18,208 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 283 transitions. [2020-10-11 18:10:18,210 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 18:10:18,214 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 283 transitions. [2020-10-11 18:10:18,217 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-11 18:10:18,223 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-11 18:10:18,223 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-11 18:10:18,226 INFO L185 Difference]: Start difference. First operand has 102 places, 94 transitions, 197 flow. Second operand 3 states and 283 transitions. [2020-10-11 18:10:18,227 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 91 transitions, 195 flow [2020-10-11 18:10:18,232 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 91 transitions, 192 flow, removed 0 selfloop flow, removed 3 redundant places. [2020-10-11 18:10:18,237 INFO L241 Difference]: Finished difference. Result has 100 places, 80 transitions, 170 flow [2020-10-11 18:10:18,240 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=188, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=170, PETRI_PLACES=100, PETRI_TRANSITIONS=80} [2020-10-11 18:10:18,241 INFO L341 CegarLoopForPetriNet]: 102 programPoint places, -2 predicate places. [2020-10-11 18:10:18,241 INFO L481 AbstractCegarLoop]: Abstraction has has 100 places, 80 transitions, 170 flow [2020-10-11 18:10:18,242 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-11 18:10:18,242 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 18:10:18,242 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 18:10:18,242 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-11 18:10:18,243 INFO L429 AbstractCegarLoop]: === Iteration 2 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 18:10:18,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 18:10:18,243 INFO L82 PathProgramCache]: Analyzing trace with hash 2003786422, now seen corresponding path program 1 times [2020-10-11 18:10:18,243 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 18:10:18,244 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086972589] [2020-10-11 18:10:18,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 18:10:18,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 18:10:18,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 18:10:18,515 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086972589] [2020-10-11 18:10:18,516 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 18:10:18,516 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-11 18:10:18,516 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225145513] [2020-10-11 18:10:18,522 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-11 18:10:18,522 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 18:10:18,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-11 18:10:18,523 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-11 18:10:18,717 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 87 out of 97 [2020-10-11 18:10:18,718 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 80 transitions, 170 flow. Second operand 6 states. [2020-10-11 18:10:18,718 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 18:10:18,718 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 87 of 97 [2020-10-11 18:10:18,719 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 18:10:18,858 INFO L129 PetriNetUnfolder]: 3/106 cut-off events. [2020-10-11 18:10:18,858 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-11 18:10:18,859 INFO L80 FinitePrefix]: Finished finitePrefix Result has 136 conditions, 106 events. 3/106 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 140 event pairs, 0 based on Foata normal form. 2/108 useless extension candidates. Maximal degree in co-relation 91. Up to 7 conditions per place. [2020-10-11 18:10:18,860 INFO L132 encePairwiseOnDemand]: 91/97 looper letters, 6 selfloop transitions, 2 changer transitions 10/90 dead transitions. [2020-10-11 18:10:18,860 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 90 transitions, 226 flow [2020-10-11 18:10:18,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-11 18:10:18,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-10-11 18:10:18,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 803 transitions. [2020-10-11 18:10:18,867 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.9198167239404352 [2020-10-11 18:10:18,867 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 803 transitions. [2020-10-11 18:10:18,867 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 803 transitions. [2020-10-11 18:10:18,868 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 18:10:18,869 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 803 transitions. [2020-10-11 18:10:18,871 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 10 states. [2020-10-11 18:10:18,875 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 10 states. [2020-10-11 18:10:18,875 INFO L81 ComplementDD]: Finished complementDD. Result 10 states. [2020-10-11 18:10:18,875 INFO L185 Difference]: Start difference. First operand has 100 places, 80 transitions, 170 flow. Second operand 9 states and 803 transitions. [2020-10-11 18:10:18,875 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 90 transitions, 226 flow [2020-10-11 18:10:18,877 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 90 transitions, 222 flow, removed 0 selfloop flow, removed 2 redundant places. [2020-10-11 18:10:18,880 INFO L241 Difference]: Finished difference. Result has 102 places, 80 transitions, 186 flow [2020-10-11 18:10:18,880 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=166, PETRI_DIFFERENCE_MINUEND_PLACES=87, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=80, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=78, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=186, PETRI_PLACES=102, PETRI_TRANSITIONS=80} [2020-10-11 18:10:18,881 INFO L341 CegarLoopForPetriNet]: 102 programPoint places, 0 predicate places. [2020-10-11 18:10:18,881 INFO L481 AbstractCegarLoop]: Abstraction has has 102 places, 80 transitions, 186 flow [2020-10-11 18:10:18,881 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-11 18:10:18,881 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 18:10:18,881 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 18:10:18,882 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-11 18:10:18,882 INFO L429 AbstractCegarLoop]: === Iteration 3 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 18:10:18,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 18:10:18,882 INFO L82 PathProgramCache]: Analyzing trace with hash -2042673297, now seen corresponding path program 1 times [2020-10-11 18:10:18,883 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 18:10:18,883 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178697269] [2020-10-11 18:10:18,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 18:10:18,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 18:10:19,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 18:10:19,109 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178697269] [2020-10-11 18:10:19,109 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 18:10:19,109 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-11 18:10:19,109 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174363435] [2020-10-11 18:10:19,110 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-11 18:10:19,110 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 18:10:19,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-11 18:10:19,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-11 18:10:19,284 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 86 out of 97 [2020-10-11 18:10:19,285 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 80 transitions, 186 flow. Second operand 6 states. [2020-10-11 18:10:19,285 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 18:10:19,286 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 86 of 97 [2020-10-11 18:10:19,286 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 18:10:19,462 INFO L129 PetriNetUnfolder]: 24/172 cut-off events. [2020-10-11 18:10:19,462 INFO L130 PetriNetUnfolder]: For 36/36 co-relation queries the response was YES. [2020-10-11 18:10:19,465 INFO L80 FinitePrefix]: Finished finitePrefix Result has 289 conditions, 172 events. 24/172 cut-off events. For 36/36 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 538 event pairs, 5 based on Foata normal form. 4/174 useless extension candidates. Maximal degree in co-relation 260. Up to 31 conditions per place. [2020-10-11 18:10:19,467 INFO L132 encePairwiseOnDemand]: 90/97 looper letters, 8 selfloop transitions, 3 changer transitions 19/101 dead transitions. [2020-10-11 18:10:19,467 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 101 transitions, 306 flow [2020-10-11 18:10:19,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-11 18:10:19,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-10-11 18:10:19,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 806 transitions. [2020-10-11 18:10:19,471 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.9232531500572738 [2020-10-11 18:10:19,471 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 806 transitions. [2020-10-11 18:10:19,472 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 806 transitions. [2020-10-11 18:10:19,472 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 18:10:19,472 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 806 transitions. [2020-10-11 18:10:19,474 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 10 states. [2020-10-11 18:10:19,476 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 10 states. [2020-10-11 18:10:19,476 INFO L81 ComplementDD]: Finished complementDD. Result 10 states. [2020-10-11 18:10:19,476 INFO L185 Difference]: Start difference. First operand has 102 places, 80 transitions, 186 flow. Second operand 9 states and 806 transitions. [2020-10-11 18:10:19,477 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 101 transitions, 306 flow [2020-10-11 18:10:19,482 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 101 transitions, 274 flow, removed 14 selfloop flow, removed 8 redundant places. [2020-10-11 18:10:19,484 INFO L241 Difference]: Finished difference. Result has 103 places, 82 transitions, 213 flow [2020-10-11 18:10:19,484 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=170, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=80, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=77, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=213, PETRI_PLACES=103, PETRI_TRANSITIONS=82} [2020-10-11 18:10:19,485 INFO L341 CegarLoopForPetriNet]: 102 programPoint places, 1 predicate places. [2020-10-11 18:10:19,485 INFO L481 AbstractCegarLoop]: Abstraction has has 103 places, 82 transitions, 213 flow [2020-10-11 18:10:19,485 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-11 18:10:19,485 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 18:10:19,485 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 18:10:19,486 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-11 18:10:19,488 INFO L429 AbstractCegarLoop]: === Iteration 4 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 18:10:19,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 18:10:19,488 INFO L82 PathProgramCache]: Analyzing trace with hash 1124618736, now seen corresponding path program 1 times [2020-10-11 18:10:19,489 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 18:10:19,489 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956154617] [2020-10-11 18:10:19,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 18:10:19,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 18:10:19,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 18:10:19,709 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956154617] [2020-10-11 18:10:19,710 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 18:10:19,710 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-11 18:10:19,710 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5363960] [2020-10-11 18:10:19,711 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-11 18:10:19,711 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 18:10:19,711 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-11 18:10:19,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-11 18:10:19,893 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 87 out of 97 [2020-10-11 18:10:19,894 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 103 places, 82 transitions, 213 flow. Second operand 6 states. [2020-10-11 18:10:19,894 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 18:10:19,895 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 87 of 97 [2020-10-11 18:10:19,895 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 18:10:20,068 INFO L129 PetriNetUnfolder]: 19/141 cut-off events. [2020-10-11 18:10:20,069 INFO L130 PetriNetUnfolder]: For 127/131 co-relation queries the response was YES. [2020-10-11 18:10:20,070 INFO L80 FinitePrefix]: Finished finitePrefix Result has 302 conditions, 141 events. 19/141 cut-off events. For 127/131 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 336 event pairs, 3 based on Foata normal form. 5/143 useless extension candidates. Maximal degree in co-relation 276. Up to 22 conditions per place. [2020-10-11 18:10:20,071 INFO L132 encePairwiseOnDemand]: 91/97 looper letters, 6 selfloop transitions, 2 changer transitions 10/92 dead transitions. [2020-10-11 18:10:20,075 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 105 places, 92 transitions, 289 flow [2020-10-11 18:10:20,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-11 18:10:20,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-10-11 18:10:20,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 803 transitions. [2020-10-11 18:10:20,079 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.9198167239404352 [2020-10-11 18:10:20,079 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 803 transitions. [2020-10-11 18:10:20,079 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 803 transitions. [2020-10-11 18:10:20,080 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 18:10:20,080 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 803 transitions. [2020-10-11 18:10:20,082 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 10 states. [2020-10-11 18:10:20,083 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 10 states. [2020-10-11 18:10:20,084 INFO L81 ComplementDD]: Finished complementDD. Result 10 states. [2020-10-11 18:10:20,084 INFO L185 Difference]: Start difference. First operand has 103 places, 82 transitions, 213 flow. Second operand 9 states and 803 transitions. [2020-10-11 18:10:20,084 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 105 places, 92 transitions, 289 flow [2020-10-11 18:10:20,087 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 92 transitions, 270 flow, removed 8 selfloop flow, removed 4 redundant places. [2020-10-11 18:10:20,089 INFO L241 Difference]: Finished difference. Result has 108 places, 82 transitions, 222 flow [2020-10-11 18:10:20,089 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=202, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=82, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=222, PETRI_PLACES=108, PETRI_TRANSITIONS=82} [2020-10-11 18:10:20,089 INFO L341 CegarLoopForPetriNet]: 102 programPoint places, 6 predicate places. [2020-10-11 18:10:20,090 INFO L481 AbstractCegarLoop]: Abstraction has has 108 places, 82 transitions, 222 flow [2020-10-11 18:10:20,090 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-11 18:10:20,090 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 18:10:20,090 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 18:10:20,090 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-11 18:10:20,091 INFO L429 AbstractCegarLoop]: === Iteration 5 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 18:10:20,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 18:10:20,091 INFO L82 PathProgramCache]: Analyzing trace with hash -112998031, now seen corresponding path program 1 times [2020-10-11 18:10:20,091 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 18:10:20,092 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282268721] [2020-10-11 18:10:20,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 18:10:20,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 18:10:20,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 18:10:20,230 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282268721] [2020-10-11 18:10:20,230 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 18:10:20,230 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-11 18:10:20,231 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900344766] [2020-10-11 18:10:20,231 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-11 18:10:20,231 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 18:10:20,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-11 18:10:20,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-11 18:10:20,372 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 84 out of 97 [2020-10-11 18:10:20,373 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 108 places, 82 transitions, 222 flow. Second operand 6 states. [2020-10-11 18:10:20,373 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 18:10:20,373 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 84 of 97 [2020-10-11 18:10:20,373 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 18:10:20,564 INFO L129 PetriNetUnfolder]: 125/393 cut-off events. [2020-10-11 18:10:20,565 INFO L130 PetriNetUnfolder]: For 202/208 co-relation queries the response was YES. [2020-10-11 18:10:20,568 INFO L80 FinitePrefix]: Finished finitePrefix Result has 806 conditions, 393 events. 125/393 cut-off events. For 202/208 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 2098 event pairs, 2 based on Foata normal form. 10/385 useless extension candidates. Maximal degree in co-relation 748. Up to 101 conditions per place. [2020-10-11 18:10:20,570 INFO L132 encePairwiseOnDemand]: 88/97 looper letters, 17 selfloop transitions, 14 changer transitions 4/107 dead transitions. [2020-10-11 18:10:20,570 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 110 places, 107 transitions, 342 flow [2020-10-11 18:10:20,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-11 18:10:20,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-10-11 18:10:20,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 793 transitions. [2020-10-11 18:10:20,574 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.9083619702176403 [2020-10-11 18:10:20,574 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 793 transitions. [2020-10-11 18:10:20,574 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 793 transitions. [2020-10-11 18:10:20,575 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 18:10:20,575 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 793 transitions. [2020-10-11 18:10:20,576 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 10 states. [2020-10-11 18:10:20,578 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 10 states. [2020-10-11 18:10:20,578 INFO L81 ComplementDD]: Finished complementDD. Result 10 states. [2020-10-11 18:10:20,578 INFO L185 Difference]: Start difference. First operand has 108 places, 82 transitions, 222 flow. Second operand 9 states and 793 transitions. [2020-10-11 18:10:20,579 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 110 places, 107 transitions, 342 flow [2020-10-11 18:10:20,582 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 102 places, 107 transitions, 322 flow, removed 8 selfloop flow, removed 8 redundant places. [2020-10-11 18:10:20,585 INFO L241 Difference]: Finished difference. Result has 107 places, 94 transitions, 302 flow [2020-10-11 18:10:20,585 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=202, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=82, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=74, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=302, PETRI_PLACES=107, PETRI_TRANSITIONS=94} [2020-10-11 18:10:20,585 INFO L341 CegarLoopForPetriNet]: 102 programPoint places, 5 predicate places. [2020-10-11 18:10:20,586 INFO L481 AbstractCegarLoop]: Abstraction has has 107 places, 94 transitions, 302 flow [2020-10-11 18:10:20,586 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-11 18:10:20,586 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 18:10:20,586 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 18:10:20,586 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-11 18:10:20,586 INFO L429 AbstractCegarLoop]: === Iteration 6 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 18:10:20,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 18:10:20,587 INFO L82 PathProgramCache]: Analyzing trace with hash -1331815914, now seen corresponding path program 1 times [2020-10-11 18:10:20,587 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 18:10:20,587 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926059343] [2020-10-11 18:10:20,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 18:10:20,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 18:10:20,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 18:10:20,797 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926059343] [2020-10-11 18:10:20,798 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 18:10:20,798 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-11 18:10:20,799 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893367985] [2020-10-11 18:10:20,800 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-11 18:10:20,801 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 18:10:20,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-11 18:10:20,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-11 18:10:20,914 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 84 out of 97 [2020-10-11 18:10:20,915 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 107 places, 94 transitions, 302 flow. Second operand 7 states. [2020-10-11 18:10:20,915 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 18:10:20,915 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 84 of 97 [2020-10-11 18:10:20,915 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 18:10:21,191 INFO L129 PetriNetUnfolder]: 113/373 cut-off events. [2020-10-11 18:10:21,191 INFO L130 PetriNetUnfolder]: For 669/723 co-relation queries the response was YES. [2020-10-11 18:10:21,194 INFO L80 FinitePrefix]: Finished finitePrefix Result has 1136 conditions, 373 events. 113/373 cut-off events. For 669/723 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 1946 event pairs, 0 based on Foata normal form. 23/380 useless extension candidates. Maximal degree in co-relation 1082. Up to 124 conditions per place. [2020-10-11 18:10:21,196 INFO L132 encePairwiseOnDemand]: 88/97 looper letters, 15 selfloop transitions, 27 changer transitions 8/122 dead transitions. [2020-10-11 18:10:21,197 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 118 places, 122 transitions, 583 flow [2020-10-11 18:10:21,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-11 18:10:21,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2020-10-11 18:10:21,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1056 transitions. [2020-10-11 18:10:21,201 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.9072164948453608 [2020-10-11 18:10:21,201 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1056 transitions. [2020-10-11 18:10:21,201 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1056 transitions. [2020-10-11 18:10:21,202 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 18:10:21,202 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1056 transitions. [2020-10-11 18:10:21,205 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 13 states. [2020-10-11 18:10:21,207 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 13 states. [2020-10-11 18:10:21,207 INFO L81 ComplementDD]: Finished complementDD. Result 13 states. [2020-10-11 18:10:21,207 INFO L185 Difference]: Start difference. First operand has 107 places, 94 transitions, 302 flow. Second operand 12 states and 1056 transitions. [2020-10-11 18:10:21,208 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 118 places, 122 transitions, 583 flow [2020-10-11 18:10:21,211 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 117 places, 122 transitions, 581 flow, removed 0 selfloop flow, removed 1 redundant places. [2020-10-11 18:10:21,214 INFO L241 Difference]: Finished difference. Result has 122 places, 110 transitions, 513 flow [2020-10-11 18:10:21,214 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=300, PETRI_DIFFERENCE_MINUEND_PLACES=106, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=75, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=513, PETRI_PLACES=122, PETRI_TRANSITIONS=110} [2020-10-11 18:10:21,215 INFO L341 CegarLoopForPetriNet]: 102 programPoint places, 20 predicate places. [2020-10-11 18:10:21,215 INFO L481 AbstractCegarLoop]: Abstraction has has 122 places, 110 transitions, 513 flow [2020-10-11 18:10:21,215 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-11 18:10:21,215 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 18:10:21,215 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 18:10:21,215 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-11 18:10:21,216 INFO L429 AbstractCegarLoop]: === Iteration 7 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 18:10:21,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 18:10:21,216 INFO L82 PathProgramCache]: Analyzing trace with hash 441729973, now seen corresponding path program 1 times [2020-10-11 18:10:21,216 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 18:10:21,217 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25288361] [2020-10-11 18:10:21,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 18:10:21,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 18:10:21,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 18:10:21,409 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25288361] [2020-10-11 18:10:21,410 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 18:10:21,410 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-11 18:10:21,410 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234959645] [2020-10-11 18:10:21,411 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-11 18:10:21,414 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 18:10:21,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-11 18:10:21,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-11 18:10:21,574 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 84 out of 97 [2020-10-11 18:10:21,575 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 110 transitions, 513 flow. Second operand 8 states. [2020-10-11 18:10:21,575 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 18:10:21,575 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 84 of 97 [2020-10-11 18:10:21,576 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 18:10:21,889 INFO L129 PetriNetUnfolder]: 81/319 cut-off events. [2020-10-11 18:10:21,889 INFO L130 PetriNetUnfolder]: For 1039/1098 co-relation queries the response was YES. [2020-10-11 18:10:21,892 INFO L80 FinitePrefix]: Finished finitePrefix Result has 1216 conditions, 319 events. 81/319 cut-off events. For 1039/1098 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 1692 event pairs, 0 based on Foata normal form. 19/322 useless extension candidates. Maximal degree in co-relation 1188. Up to 97 conditions per place. [2020-10-11 18:10:21,894 INFO L132 encePairwiseOnDemand]: 88/97 looper letters, 10 selfloop transitions, 32 changer transitions 15/129 dead transitions. [2020-10-11 18:10:21,894 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 136 places, 129 transitions, 765 flow [2020-10-11 18:10:21,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-11 18:10:21,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2020-10-11 18:10:21,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 1307 transitions. [2020-10-11 18:10:21,899 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.8982817869415808 [2020-10-11 18:10:21,899 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 1307 transitions. [2020-10-11 18:10:21,899 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 1307 transitions. [2020-10-11 18:10:21,900 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 18:10:21,900 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 1307 transitions. [2020-10-11 18:10:21,903 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 16 states. [2020-10-11 18:10:21,906 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 16 states. [2020-10-11 18:10:21,906 INFO L81 ComplementDD]: Finished complementDD. Result 16 states. [2020-10-11 18:10:21,906 INFO L185 Difference]: Start difference. First operand has 122 places, 110 transitions, 513 flow. Second operand 15 states and 1307 transitions. [2020-10-11 18:10:21,906 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 136 places, 129 transitions, 765 flow [2020-10-11 18:10:21,914 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 127 places, 129 transitions, 675 flow, removed 36 selfloop flow, removed 9 redundant places. [2020-10-11 18:10:21,917 INFO L241 Difference]: Finished difference. Result has 133 places, 111 transitions, 531 flow [2020-10-11 18:10:21,918 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=431, PETRI_DIFFERENCE_MINUEND_PLACES=113, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=110, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=29, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=78, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=531, PETRI_PLACES=133, PETRI_TRANSITIONS=111} [2020-10-11 18:10:21,918 INFO L341 CegarLoopForPetriNet]: 102 programPoint places, 31 predicate places. [2020-10-11 18:10:21,918 INFO L481 AbstractCegarLoop]: Abstraction has has 133 places, 111 transitions, 531 flow [2020-10-11 18:10:21,918 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-11 18:10:21,918 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 18:10:21,918 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 18:10:21,919 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-11 18:10:21,919 INFO L429 AbstractCegarLoop]: === Iteration 8 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 18:10:21,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 18:10:21,919 INFO L82 PathProgramCache]: Analyzing trace with hash 1185317453, now seen corresponding path program 1 times [2020-10-11 18:10:21,920 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 18:10:21,920 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289394200] [2020-10-11 18:10:21,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 18:10:22,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 18:10:22,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 18:10:22,128 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289394200] [2020-10-11 18:10:22,128 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 18:10:22,128 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-11 18:10:22,128 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854030877] [2020-10-11 18:10:22,129 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-11 18:10:22,129 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 18:10:22,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-11 18:10:22,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-11 18:10:22,345 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 85 out of 97 [2020-10-11 18:10:22,347 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 133 places, 111 transitions, 531 flow. Second operand 7 states. [2020-10-11 18:10:22,348 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 18:10:22,348 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 85 of 97 [2020-10-11 18:10:22,348 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 18:10:22,502 INFO L129 PetriNetUnfolder]: 96/466 cut-off events. [2020-10-11 18:10:22,502 INFO L130 PetriNetUnfolder]: For 1315/1441 co-relation queries the response was YES. [2020-10-11 18:10:22,506 INFO L80 FinitePrefix]: Finished finitePrefix Result has 1464 conditions, 466 events. 96/466 cut-off events. For 1315/1441 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 3208 event pairs, 0 based on Foata normal form. 1/432 useless extension candidates. Maximal degree in co-relation 1407. Up to 71 conditions per place. [2020-10-11 18:10:22,507 INFO L132 encePairwiseOnDemand]: 91/97 looper letters, 9 selfloop transitions, 2 changer transitions 4/116 dead transitions. [2020-10-11 18:10:22,508 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 137 places, 116 transitions, 571 flow [2020-10-11 18:10:22,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-11 18:10:22,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-10-11 18:10:22,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 611 transitions. [2020-10-11 18:10:22,510 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.8998527245949927 [2020-10-11 18:10:22,510 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 611 transitions. [2020-10-11 18:10:22,510 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 611 transitions. [2020-10-11 18:10:22,511 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 18:10:22,511 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 611 transitions. [2020-10-11 18:10:22,512 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 8 states. [2020-10-11 18:10:22,514 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 8 states. [2020-10-11 18:10:22,514 INFO L81 ComplementDD]: Finished complementDD. Result 8 states. [2020-10-11 18:10:22,514 INFO L185 Difference]: Start difference. First operand has 133 places, 111 transitions, 531 flow. Second operand 7 states and 611 transitions. [2020-10-11 18:10:22,514 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 137 places, 116 transitions, 571 flow [2020-10-11 18:10:22,523 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 122 places, 116 transitions, 474 flow, removed 15 selfloop flow, removed 15 redundant places. [2020-10-11 18:10:22,526 INFO L241 Difference]: Finished difference. Result has 127 places, 112 transitions, 453 flow [2020-10-11 18:10:22,526 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=434, PETRI_DIFFERENCE_MINUEND_PLACES=116, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=111, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=109, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=453, PETRI_PLACES=127, PETRI_TRANSITIONS=112} [2020-10-11 18:10:22,526 INFO L341 CegarLoopForPetriNet]: 102 programPoint places, 25 predicate places. [2020-10-11 18:10:22,527 INFO L481 AbstractCegarLoop]: Abstraction has has 127 places, 112 transitions, 453 flow [2020-10-11 18:10:22,527 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-11 18:10:22,527 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 18:10:22,527 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 18:10:22,527 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-11 18:10:22,527 INFO L429 AbstractCegarLoop]: === Iteration 9 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 18:10:22,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 18:10:22,528 INFO L82 PathProgramCache]: Analyzing trace with hash 1553637069, now seen corresponding path program 2 times [2020-10-11 18:10:22,528 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 18:10:22,528 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806670023] [2020-10-11 18:10:22,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 18:10:22,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-11 18:10:22,579 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-11 18:10:22,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-11 18:10:22,642 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-11 18:10:22,687 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-11 18:10:22,688 INFO L519 BasicCegarLoop]: Counterexample might be feasible [2020-10-11 18:10:22,688 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-11 18:10:22,758 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 18:10:22,758 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 18:10:22,759 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 18:10:22,759 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 18:10:22,759 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 18:10:22,759 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 18:10:22,760 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 18:10:22,760 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 18:10:22,760 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 18:10:22,760 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 18:10:22,761 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 18:10:22,761 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 18:10:22,761 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 18:10:22,761 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 18:10:22,761 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 18:10:22,761 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 18:10:22,762 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 18:10:22,762 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 18:10:22,762 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 18:10:22,762 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 18:10:22,762 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 18:10:22,763 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 18:10:22,764 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 18:10:22,764 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 18:10:22,764 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 18:10:22,764 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 18:10:22,764 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 18:10:22,765 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 18:10:22,765 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 18:10:22,765 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 18:10:22,765 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 18:10:22,765 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 18:10:22,766 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 18:10:22,766 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 18:10:22,766 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 18:10:22,766 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 18:10:22,766 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 18:10:22,767 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 18:10:22,767 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 18:10:22,767 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 18:10:22,767 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 18:10:22,768 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 18:10:22,768 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 18:10:22,768 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 18:10:22,768 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 18:10:22,768 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 18:10:22,768 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 18:10:22,769 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 18:10:22,769 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 18:10:22,769 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 18:10:22,770 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 18:10:22,771 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 18:10:22,771 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 18:10:22,771 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 18:10:22,771 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 18:10:22,771 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 18:10:22,772 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 18:10:22,772 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 18:10:22,772 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 18:10:22,772 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 18:10:22,899 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 06:10:22 BasicIcfg [2020-10-11 18:10:22,900 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-11 18:10:22,904 INFO L168 Benchmark]: Toolchain (without parser) took 9007.28 ms. Allocated memory was 251.1 MB in the beginning and 526.4 MB in the end (delta: 275.3 MB). Free memory was 206.7 MB in the beginning and 207.2 MB in the end (delta: -452.6 kB). Peak memory consumption was 274.8 MB. Max. memory is 14.2 GB. [2020-10-11 18:10:22,904 INFO L168 Benchmark]: CDTParser took 1.53 ms. Allocated memory is still 251.1 MB. Free memory is still 227.5 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-11 18:10:22,905 INFO L168 Benchmark]: CACSL2BoogieTranslator took 815.64 ms. Allocated memory was 251.1 MB in the beginning and 363.9 MB in the end (delta: 112.7 MB). Free memory was 206.7 MB in the beginning and 324.7 MB in the end (delta: -118.0 MB). Peak memory consumption was 21.7 MB. Max. memory is 14.2 GB. [2020-10-11 18:10:22,907 INFO L168 Benchmark]: Boogie Procedure Inliner took 64.09 ms. Allocated memory is still 363.9 MB. Free memory was 324.7 MB in the beginning and 321.0 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 14.2 GB. [2020-10-11 18:10:22,909 INFO L168 Benchmark]: Boogie Preprocessor took 40.05 ms. Allocated memory is still 363.9 MB. Free memory was 321.0 MB in the beginning and 317.3 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 14.2 GB. [2020-10-11 18:10:22,910 INFO L168 Benchmark]: RCFGBuilder took 2600.44 ms. Allocated memory is still 363.9 MB. Free memory was 317.3 MB in the beginning and 204.2 MB in the end (delta: 113.1 MB). Peak memory consumption was 160.6 MB. Max. memory is 14.2 GB. [2020-10-11 18:10:22,911 INFO L168 Benchmark]: TraceAbstraction took 5478.55 ms. Allocated memory was 363.9 MB in the beginning and 526.4 MB in the end (delta: 162.5 MB). Free memory was 204.2 MB in the beginning and 207.2 MB in the end (delta: -3.0 MB). Peak memory consumption was 159.6 MB. Max. memory is 14.2 GB. [2020-10-11 18:10:22,923 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.53 ms. Allocated memory is still 251.1 MB. Free memory is still 227.5 MB. There was no memory consumed. Max. memory is 14.2 GB. * CACSL2BoogieTranslator took 815.64 ms. Allocated memory was 251.1 MB in the beginning and 363.9 MB in the end (delta: 112.7 MB). Free memory was 206.7 MB in the beginning and 324.7 MB in the end (delta: -118.0 MB). Peak memory consumption was 21.7 MB. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 64.09 ms. Allocated memory is still 363.9 MB. Free memory was 324.7 MB in the beginning and 321.0 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 40.05 ms. Allocated memory is still 363.9 MB. Free memory was 321.0 MB in the beginning and 317.3 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 14.2 GB. * RCFGBuilder took 2600.44 ms. Allocated memory is still 363.9 MB. Free memory was 317.3 MB in the beginning and 204.2 MB in the end (delta: 113.1 MB). Peak memory consumption was 160.6 MB. Max. memory is 14.2 GB. * TraceAbstraction took 5478.55 ms. Allocated memory was 363.9 MB in the beginning and 526.4 MB in the end (delta: 162.5 MB). Free memory was 204.2 MB in the beginning and 207.2 MB in the end (delta: -3.0 MB). Peak memory consumption was 159.6 MB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 7]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L698] 0 int __unbuffered_cnt = 0; VAL [__unbuffered_cnt=0] [L700] 0 int __unbuffered_p1_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0] [L702] 0 int __unbuffered_p1_EBX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0] [L704] 0 int __unbuffered_p2_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0] [L706] 0 int __unbuffered_p2_EBX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0] [L708] 0 int a = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0] [L709] 0 _Bool main$tmp_guard0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, main$tmp_guard0=0] [L710] 0 _Bool main$tmp_guard1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0] [L712] 0 int x = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0] [L714] 0 int y = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0] [L716] 0 int z = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0] [L717] 0 _Bool z$flush_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0] [L718] 0 int z$mem_tmp; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0] [L719] 0 _Bool z$r_buff0_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0] [L720] 0 _Bool z$r_buff0_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0] [L721] 0 _Bool z$r_buff0_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0] [L722] 0 _Bool z$r_buff0_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0] [L723] 0 _Bool z$r_buff1_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0] [L724] 0 _Bool z$r_buff1_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0] [L725] 0 _Bool z$r_buff1_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0] [L726] 0 _Bool z$r_buff1_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0] [L727] 0 _Bool z$read_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0] [L728] 0 int *z$read_delayed_var; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}] [L729] 0 int z$w_buff0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0] [L730] 0 _Bool z$w_buff0_used; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0] [L731] 0 int z$w_buff1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0] [L732] 0 _Bool z$w_buff1_used; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L733] 0 _Bool weak$$choice0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L734] 0 _Bool weak$$choice2; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L840] 0 pthread_t t290; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L841] FCALL, FORK 0 pthread_create(&t290, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L842] 0 pthread_t t291; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L843] FCALL, FORK 0 pthread_create(&t291, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L844] 0 pthread_t t292; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L845] FCALL, FORK 0 pthread_create(&t292, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L787] 3 z$w_buff1 = z$w_buff0 [L788] 3 z$w_buff0 = 1 [L789] 3 z$w_buff1_used = z$w_buff0_used [L790] 3 z$w_buff0_used = (_Bool)1 [L7] COND TRUE 3 !expression [L7] 3 __VERIFIER_error() [L792] 3 z$r_buff1_thd0 = z$r_buff0_thd0 [L793] 3 z$r_buff1_thd1 = z$r_buff0_thd1 [L794] 3 z$r_buff1_thd2 = z$r_buff0_thd2 [L795] 3 z$r_buff1_thd3 = z$r_buff0_thd3 [L796] 3 z$r_buff0_thd3 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L799] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L800] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L801] 3 z$flush_delayed = weak$$choice2 [L802] 3 z$mem_tmp = z [L803] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L803] 3 z = !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L804] EXPR 3 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L804] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0) [L804] EXPR 3 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L804] 3 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L805] EXPR 3 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L805] 3 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L806] EXPR 3 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L806] 3 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L807] EXPR 3 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L807] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L807] EXPR 3 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L807] 3 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L808] EXPR 3 weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L808] 3 z$r_buff0_thd3 = weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L809] EXPR 3 weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L809] 3 z$r_buff1_thd3 = weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L810] 3 __unbuffered_p2_EAX = z [L811] EXPR 3 z$flush_delayed ? z$mem_tmp : z [L811] 3 z = z$flush_delayed ? z$mem_tmp : z [L812] 3 z$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=255, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L815] 3 __unbuffered_p2_EBX = a VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=255, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L738] 1 a = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=255, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L741] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=255, x=1, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L753] 2 x = 2 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=255, x=2, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L756] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=255, x=2, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L759] 2 __unbuffered_p1_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=255, x=2, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L762] 2 weak$$choice0 = __VERIFIER_nondet_bool() [L763] 2 weak$$choice2 = __VERIFIER_nondet_bool() [L764] 2 z$flush_delayed = weak$$choice2 [L765] 2 z$mem_tmp = z [L766] EXPR 2 !z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : z$w_buff1) [L766] 2 z = !z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : z$w_buff1) [L767] EXPR 2 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : z$w_buff0)) [L767] 2 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : z$w_buff0)) [L768] EXPR 2 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff1 : z$w_buff1)) [L768] 2 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff1 : z$w_buff1)) [L769] EXPR 2 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$w_buff0_used)) [L769] 2 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$w_buff0_used)) [L770] EXPR 2 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L770] EXPR 2 !z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : (_Bool)0) [L770] EXPR 2 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L770] 2 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L771] EXPR 2 weak$$choice2 ? z$r_buff0_thd2 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$r_buff0_thd2 : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2)) [L771] 2 z$r_buff0_thd2 = weak$$choice2 ? z$r_buff0_thd2 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$r_buff0_thd2 : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2)) [L772] EXPR 2 weak$$choice2 ? z$r_buff1_thd2 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$r_buff1_thd2 : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L772] 2 z$r_buff1_thd2 = weak$$choice2 ? z$r_buff1_thd2 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$r_buff1_thd2 : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L773] 2 __unbuffered_p1_EBX = z [L774] EXPR 2 z$flush_delayed ? z$mem_tmp : z [L774] 2 z = z$flush_delayed ? z$mem_tmp : z [L775] 2 z$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=8, weak$$choice2=255, x=2, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L746] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=8, weak$$choice2=255, x=2, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L780] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=8, weak$$choice2=255, x=2, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L818] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L818] 3 z = z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L819] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L819] 3 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L820] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L820] 3 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L821] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L821] 3 z$r_buff0_thd3 = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L822] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 [L822] 3 z$r_buff1_thd3 = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 [L825] 3 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=3, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=8, weak$$choice2=255, x=2, y=1, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L847] 0 main$tmp_guard0 = __unbuffered_cnt == 3 VAL [__unbuffered_cnt=3, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=8, weak$$choice2=255, x=2, y=1, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L3] COND FALSE 0 !(!cond) VAL [__unbuffered_cnt=3, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=8, weak$$choice2=255, x=2, y=1, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L851] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L851] 0 z = z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L852] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L852] 0 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L853] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L853] 0 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L854] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L854] 0 z$r_buff0_thd0 = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L855] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L855] 0 z$r_buff1_thd0 = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L858] 0 main$tmp_guard1 = !(x == 2 && __unbuffered_p1_EAX == 1 && __unbuffered_p1_EBX == 0 && __unbuffered_p2_EAX == 1 && __unbuffered_p2_EBX == 0) VAL [__unbuffered_cnt=3, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=8, weak$$choice2=255, x=2, y=1, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L7] COND TRUE 0 !expression VAL [__unbuffered_cnt=3, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=8, weak$$choice2=255, x=2, y=1, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L7] 0 __VERIFIER_error() VAL [__unbuffered_cnt=3, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=8, weak$$choice2=255, x=2, y=1, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 96 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 5.1s, OverallIterations: 9, TraceHistogramMax: 1, AutomataDifference: 2.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 149 SDtfs, 179 SDslu, 404 SDs, 0 SdLazy, 478 SolverSat, 91 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 91 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=531occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 579 NumberOfCodeBlocks, 579 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 497 ConstructedInterpolants, 0 QuantifiedInterpolants, 88169 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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...