/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe-OGIterative-Hitting.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe012_pso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2cf4d3f9dd5fed411db405f577e28237a543b59a-2cf4d3f [2021-08-13 10:52:27,557 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-13 10:52:27,558 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-13 10:52:27,579 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-13 10:52:27,579 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-13 10:52:27,580 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-13 10:52:27,581 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-13 10:52:27,583 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-13 10:52:27,584 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-13 10:52:27,584 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-13 10:52:27,585 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-13 10:52:27,586 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-13 10:52:27,586 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-13 10:52:27,586 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-13 10:52:27,587 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-13 10:52:27,588 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-13 10:52:27,588 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-13 10:52:27,589 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-13 10:52:27,590 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-13 10:52:27,591 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-13 10:52:27,592 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-13 10:52:27,593 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-13 10:52:27,593 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-13 10:52:27,594 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-13 10:52:27,606 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-08-13 10:52:27,613 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-13 10:52:27,614 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-13 10:52:27,615 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-13 10:52:27,616 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe-OGIterative-Hitting.epf [2021-08-13 10:52:27,648 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-13 10:52:27,648 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-13 10:52:27,651 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-13 10:52:27,651 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-13 10:52:27,651 INFO L138 SettingsManager]: * Use SBE=true [2021-08-13 10:52:27,651 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-13 10:52:27,651 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-13 10:52:27,651 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-13 10:52:27,651 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-13 10:52:27,651 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-13 10:52:27,652 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-13 10:52:27,652 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-13 10:52:27,652 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-13 10:52:27,652 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-13 10:52:27,652 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-13 10:52:27,652 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-13 10:52:27,653 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-13 10:52:27,653 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-13 10:52:27,653 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-13 10:52:27,653 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-13 10:52:27,653 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-13 10:52:27,653 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-13 10:52:27,653 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-13 10:52:27,653 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-13 10:52:27,654 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-13 10:52:27,654 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-13 10:52:27,654 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-13 10:52:27,654 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-13 10:52:27,654 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-08-13 10:52:27,654 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-13 10:52:27,654 INFO L138 SettingsManager]: * Compute cosets for OwickiGries annotation iteratively=true [2021-08-13 10:52:27,654 INFO L138 SettingsManager]: * Use hitting sets in computation of OwickiGries annotation=true [2021-08-13 10:52:27,654 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-13 10:52:27,903 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-13 10:52:27,916 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-13 10:52:27,917 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-13 10:52:27,918 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-13 10:52:27,919 INFO L275 PluginConnector]: CDTParser initialized [2021-08-13 10:52:27,919 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe012_pso.oepc.i [2021-08-13 10:52:27,969 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1125cb879/07fff5dfad31471e918047ee7d16cf3e/FLAG23297682d [2021-08-13 10:52:28,428 INFO L306 CDTParser]: Found 1 translation units. [2021-08-13 10:52:28,429 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe012_pso.oepc.i [2021-08-13 10:52:28,442 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1125cb879/07fff5dfad31471e918047ee7d16cf3e/FLAG23297682d [2021-08-13 10:52:28,456 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1125cb879/07fff5dfad31471e918047ee7d16cf3e [2021-08-13 10:52:28,458 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-13 10:52:28,459 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-13 10:52:28,460 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-13 10:52:28,460 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-13 10:52:28,470 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-13 10:52:28,470 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.08 10:52:28" (1/1) ... [2021-08-13 10:52:28,471 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b404242 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 10:52:28, skipping insertion in model container [2021-08-13 10:52:28,471 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.08 10:52:28" (1/1) ... [2021-08-13 10:52:28,476 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-13 10:52:28,506 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-13 10:52:28,597 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe012_pso.oepc.i[993,1006] [2021-08-13 10:52:28,767 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-13 10:52:28,774 INFO L203 MainTranslator]: Completed pre-run [2021-08-13 10:52:28,783 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe012_pso.oepc.i[993,1006] [2021-08-13 10:52:28,835 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-13 10:52:28,889 INFO L208 MainTranslator]: Completed translation [2021-08-13 10:52:28,890 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 10:52:28 WrapperNode [2021-08-13 10:52:28,890 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-13 10:52:28,891 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-13 10:52:28,891 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-13 10:52:28,891 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-13 10:52:28,895 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 10:52:28" (1/1) ... [2021-08-13 10:52:28,923 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 10:52:28" (1/1) ... [2021-08-13 10:52:28,947 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-13 10:52:28,948 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-13 10:52:28,948 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-13 10:52:28,948 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-13 10:52:28,954 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 10:52:28" (1/1) ... [2021-08-13 10:52:28,954 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 10:52:28" (1/1) ... [2021-08-13 10:52:28,968 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 10:52:28" (1/1) ... [2021-08-13 10:52:28,968 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 10:52:28" (1/1) ... [2021-08-13 10:52:28,973 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 10:52:28" (1/1) ... [2021-08-13 10:52:28,975 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 10:52:28" (1/1) ... [2021-08-13 10:52:28,992 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 10:52:28" (1/1) ... [2021-08-13 10:52:28,995 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-13 10:52:28,996 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-13 10:52:28,996 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-13 10:52:28,996 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-13 10:52:28,996 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 10:52:28" (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 [2021-08-13 10:52:29,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-13 10:52:29,076 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-08-13 10:52:29,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-13 10:52:29,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-13 10:52:29,078 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-08-13 10:52:29,078 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-08-13 10:52:29,078 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-08-13 10:52:29,078 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-08-13 10:52:29,079 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-08-13 10:52:29,079 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-08-13 10:52:29,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-13 10:52:29,079 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-08-13 10:52:29,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-13 10:52:29,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-13 10:52:29,081 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-13 10:52:30,496 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-13 10:52:30,497 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-08-13 10:52:30,498 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.08 10:52:30 BoogieIcfgContainer [2021-08-13 10:52:30,498 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-13 10:52:30,500 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-13 10:52:30,500 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-13 10:52:30,502 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-13 10:52:30,502 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.08 10:52:28" (1/3) ... [2021-08-13 10:52:30,503 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7735d8b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.08 10:52:30, skipping insertion in model container [2021-08-13 10:52:30,503 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 10:52:28" (2/3) ... [2021-08-13 10:52:30,503 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7735d8b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.08 10:52:30, skipping insertion in model container [2021-08-13 10:52:30,503 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.08 10:52:30" (3/3) ... [2021-08-13 10:52:30,504 INFO L111 eAbstractionObserver]: Analyzing ICFG safe012_pso.oepc.i [2021-08-13 10:52:30,511 INFO L206 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-13 10:52:30,511 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-08-13 10:52:30,512 INFO L445 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-13 10:52:30,551 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,551 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,551 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,551 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,556 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,557 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,557 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,557 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,557 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,557 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,557 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,557 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,557 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,560 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,560 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,561 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,561 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,561 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,561 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,561 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,561 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,561 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,561 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,561 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,561 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,561 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,562 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,562 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,562 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,562 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,562 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,562 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,562 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,562 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,562 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,562 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,562 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,563 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,563 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,563 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,563 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,563 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,563 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,563 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,563 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,563 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,565 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,565 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,565 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,565 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,565 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,565 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,565 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,565 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,565 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,565 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,566 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,566 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,566 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,566 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,566 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,566 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,566 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,566 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,566 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,566 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,566 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,567 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,567 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,567 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,567 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,567 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,567 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,567 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,567 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,567 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,567 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,567 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,567 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,568 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,568 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,568 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,568 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,568 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,569 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,569 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,570 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,570 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,570 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,570 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,570 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,570 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,570 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,570 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,571 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,571 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,571 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,571 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,571 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,571 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,571 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,571 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,572 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,572 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,572 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,572 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,572 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,572 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,572 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,572 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,572 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,573 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,573 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,573 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,573 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,573 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,573 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,573 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,573 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,574 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,574 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,574 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,574 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,574 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,574 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,574 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,574 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,574 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,575 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,575 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,575 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,575 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,575 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,575 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,575 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,575 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,575 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,576 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,576 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,576 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,576 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,576 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,576 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,576 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,576 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,576 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,577 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,577 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,578 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,578 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,578 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,579 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,579 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,579 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,579 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,579 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,579 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,579 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,581 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,581 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,581 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,581 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,581 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,581 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,581 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,581 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,581 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,581 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,581 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,582 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,582 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,582 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,582 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,582 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,582 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,582 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,582 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,582 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,582 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,582 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,582 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,583 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,583 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,583 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,583 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,584 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,584 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,584 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,584 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,584 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,584 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,585 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,585 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,585 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,585 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,585 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,585 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 10:52:30,586 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-08-13 10:52:30,601 INFO L255 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-08-13 10:52:30,615 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-08-13 10:52:30,615 INFO L379 AbstractCegarLoop]: Hoare is false [2021-08-13 10:52:30,615 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-08-13 10:52:30,615 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-13 10:52:30,615 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-13 10:52:30,615 INFO L383 AbstractCegarLoop]: Difference is false [2021-08-13 10:52:30,615 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-13 10:52:30,615 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-08-13 10:52:30,623 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 115 places, 107 transitions, 229 flow [2021-08-13 10:52:30,650 INFO L129 PetriNetUnfolder]: 2/104 cut-off events. [2021-08-13 10:52:30,650 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-08-13 10:52:30,653 INFO L84 FinitePrefix]: Finished finitePrefix Result has 114 conditions, 104 events. 2/104 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 50 event pairs, 0 based on Foata normal form. 0/100 useless extension candidates. Maximal degree in co-relation 67. Up to 2 conditions per place. [2021-08-13 10:52:30,653 INFO L82 GeneralOperation]: Start removeDead. Operand has 115 places, 107 transitions, 229 flow [2021-08-13 10:52:30,656 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 112 places, 104 transitions, 217 flow [2021-08-13 10:52:30,677 INFO L129 PetriNetUnfolder]: 0/56 cut-off events. [2021-08-13 10:52:30,678 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-08-13 10:52:30,678 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 10:52:30,678 INFO L266 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] [2021-08-13 10:52:30,679 INFO L430 AbstractCegarLoop]: === Iteration 1 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 10:52:30,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 10:52:30,685 INFO L82 PathProgramCache]: Analyzing trace with hash 553734632, now seen corresponding path program 1 times [2021-08-13 10:52:30,690 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 10:52:30,690 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694543428] [2021-08-13 10:52:30,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 10:52:30,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 10:52:30,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 10:52:30,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 10:52:30,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 10:52:30,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 10:52:30,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 10:52:30,916 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 10:52:30,916 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694543428] [2021-08-13 10:52:30,917 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [694543428] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 10:52:30,917 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 10:52:30,918 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-13 10:52:30,918 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821154846] [2021-08-13 10:52:30,924 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-08-13 10:52:30,924 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 10:52:30,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-13 10:52:30,933 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-13 10:52:30,936 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 97 out of 107 [2021-08-13 10:52:30,940 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 112 places, 104 transitions, 217 flow. Second operand has 3 states, 3 states have (on average 97.66666666666667) internal successors, (293), 3 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 10:52:30,940 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 10:52:30,940 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 97 of 107 [2021-08-13 10:52:30,941 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 10:52:31,047 INFO L129 PetriNetUnfolder]: 29/225 cut-off events. [2021-08-13 10:52:31,047 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-08-13 10:52:31,049 INFO L84 FinitePrefix]: Finished finitePrefix Result has 289 conditions, 225 events. 29/225 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 740 event pairs, 15 based on Foata normal form. 11/220 useless extension candidates. Maximal degree in co-relation 240. Up to 41 conditions per place. [2021-08-13 10:52:31,052 INFO L132 encePairwiseOnDemand]: 102/107 looper letters, 7 selfloop transitions, 2 changer transitions 0/103 dead transitions. [2021-08-13 10:52:31,052 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 112 places, 103 transitions, 233 flow [2021-08-13 10:52:31,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-13 10:52:31,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-08-13 10:52:31,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 305 transitions. [2021-08-13 10:52:31,065 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.9501557632398754 [2021-08-13 10:52:31,066 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 305 transitions. [2021-08-13 10:52:31,066 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 305 transitions. [2021-08-13 10:52:31,068 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 10:52:31,070 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 305 transitions. [2021-08-13 10:52:31,074 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 101.66666666666667) internal successors, (305), 3 states have internal predecessors, (305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 10:52:31,079 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 107.0) internal successors, (428), 4 states have internal predecessors, (428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 10:52:31,079 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 107.0) internal successors, (428), 4 states have internal predecessors, (428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 10:52:31,080 INFO L348 CegarLoopForPetriNet]: 112 programPoint places, 0 predicate places. [2021-08-13 10:52:31,080 INFO L482 AbstractCegarLoop]: Abstraction has has 112 places, 103 transitions, 233 flow [2021-08-13 10:52:31,080 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 97.66666666666667) internal successors, (293), 3 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 10:52:31,080 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 10:52:31,080 INFO L266 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] [2021-08-13 10:52:31,080 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-13 10:52:31,080 INFO L430 AbstractCegarLoop]: === Iteration 2 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 10:52:31,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 10:52:31,081 INFO L82 PathProgramCache]: Analyzing trace with hash -1188173585, now seen corresponding path program 1 times [2021-08-13 10:52:31,081 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 10:52:31,081 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890232590] [2021-08-13 10:52:31,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 10:52:31,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 10:52:31,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 10:52:31,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 10:52:31,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 10:52:31,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 10:52:31,154 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-08-13 10:52:31,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 10:52:31,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 10:52:31,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 10:52:31,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 10:52:31,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 10:52:31,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 10:52:31,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 10:52:31,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 10:52:31,183 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 10:52:31,183 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890232590] [2021-08-13 10:52:31,184 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [890232590] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 10:52:31,184 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 10:52:31,184 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-13 10:52:31,184 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670256503] [2021-08-13 10:52:31,185 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-08-13 10:52:31,185 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 10:52:31,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-13 10:52:31,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-13 10:52:31,186 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 95 out of 107 [2021-08-13 10:52:31,187 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 112 places, 103 transitions, 233 flow. Second operand has 6 states, 6 states have (on average 96.16666666666667) internal successors, (577), 6 states have internal predecessors, (577), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 10:52:31,187 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 10:52:31,187 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 95 of 107 [2021-08-13 10:52:31,187 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 10:52:31,307 INFO L129 PetriNetUnfolder]: 44/318 cut-off events. [2021-08-13 10:52:31,307 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-08-13 10:52:31,308 INFO L84 FinitePrefix]: Finished finitePrefix Result has 445 conditions, 318 events. 44/318 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1468 event pairs, 17 based on Foata normal form. 0/298 useless extension candidates. Maximal degree in co-relation 393. Up to 51 conditions per place. [2021-08-13 10:52:31,310 INFO L132 encePairwiseOnDemand]: 101/107 looper letters, 11 selfloop transitions, 10 changer transitions 0/115 dead transitions. [2021-08-13 10:52:31,310 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 120 places, 115 transitions, 299 flow [2021-08-13 10:52:31,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-13 10:52:31,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-08-13 10:52:31,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 878 transitions. [2021-08-13 10:52:31,312 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.9117341640706127 [2021-08-13 10:52:31,312 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 878 transitions. [2021-08-13 10:52:31,312 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 878 transitions. [2021-08-13 10:52:31,312 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 10:52:31,312 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 878 transitions. [2021-08-13 10:52:31,314 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 97.55555555555556) internal successors, (878), 9 states have internal predecessors, (878), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 10:52:31,316 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 107.0) internal successors, (1070), 10 states have internal predecessors, (1070), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 10:52:31,316 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 107.0) internal successors, (1070), 10 states have internal predecessors, (1070), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 10:52:31,316 INFO L348 CegarLoopForPetriNet]: 112 programPoint places, 8 predicate places. [2021-08-13 10:52:31,317 INFO L482 AbstractCegarLoop]: Abstraction has has 120 places, 115 transitions, 299 flow [2021-08-13 10:52:31,317 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 96.16666666666667) internal successors, (577), 6 states have internal predecessors, (577), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 10:52:31,317 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 10:52:31,317 INFO L266 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] [2021-08-13 10:52:31,317 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-13 10:52:31,317 INFO L430 AbstractCegarLoop]: === Iteration 3 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 10:52:31,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 10:52:31,318 INFO L82 PathProgramCache]: Analyzing trace with hash -453929488, now seen corresponding path program 1 times [2021-08-13 10:52:31,318 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 10:52:31,318 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697359635] [2021-08-13 10:52:31,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 10:52:31,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 10:52:31,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 10:52:31,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 10:52:31,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 10:52:31,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 10:52:31,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 10:52:31,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 10:52:31,425 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-08-13 10:52:31,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 10:52:31,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 10:52:31,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 10:52:31,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 10:52:31,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 10:52:31,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 10:52:31,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 10:52:31,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 10:52:31,456 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 10:52:31,456 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697359635] [2021-08-13 10:52:31,456 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1697359635] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 10:52:31,456 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 10:52:31,456 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-08-13 10:52:31,456 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009443093] [2021-08-13 10:52:31,456 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-08-13 10:52:31,456 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 10:52:31,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-13 10:52:31,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-08-13 10:52:31,458 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 93 out of 107 [2021-08-13 10:52:31,458 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 120 places, 115 transitions, 299 flow. Second operand has 7 states, 7 states have (on average 94.28571428571429) internal successors, (660), 7 states have internal predecessors, (660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 10:52:31,458 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 10:52:31,458 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 93 of 107 [2021-08-13 10:52:31,459 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 10:52:31,693 INFO L129 PetriNetUnfolder]: 153/836 cut-off events. [2021-08-13 10:52:31,693 INFO L130 PetriNetUnfolder]: For 25/45 co-relation queries the response was YES. [2021-08-13 10:52:31,697 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1334 conditions, 836 events. 153/836 cut-off events. For 25/45 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 6306 event pairs, 44 based on Foata normal form. 2/786 useless extension candidates. Maximal degree in co-relation 1278. Up to 147 conditions per place. [2021-08-13 10:52:31,700 INFO L132 encePairwiseOnDemand]: 99/107 looper letters, 25 selfloop transitions, 28 changer transitions 0/145 dead transitions. [2021-08-13 10:52:31,700 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 132 places, 145 transitions, 519 flow [2021-08-13 10:52:31,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-13 10:52:31,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-08-13 10:52:31,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1246 transitions. [2021-08-13 10:52:31,703 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8957584471603163 [2021-08-13 10:52:31,703 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1246 transitions. [2021-08-13 10:52:31,703 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1246 transitions. [2021-08-13 10:52:31,703 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 10:52:31,703 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1246 transitions. [2021-08-13 10:52:31,705 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 95.84615384615384) internal successors, (1246), 13 states have internal predecessors, (1246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 10:52:31,707 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 107.0) internal successors, (1498), 14 states have internal predecessors, (1498), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 10:52:31,708 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 107.0) internal successors, (1498), 14 states have internal predecessors, (1498), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 10:52:31,708 INFO L348 CegarLoopForPetriNet]: 112 programPoint places, 20 predicate places. [2021-08-13 10:52:31,708 INFO L482 AbstractCegarLoop]: Abstraction has has 132 places, 145 transitions, 519 flow [2021-08-13 10:52:31,709 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 94.28571428571429) internal successors, (660), 7 states have internal predecessors, (660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 10:52:31,709 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 10:52:31,709 INFO L266 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] [2021-08-13 10:52:31,709 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-13 10:52:31,709 INFO L430 AbstractCegarLoop]: === Iteration 4 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 10:52:31,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 10:52:31,710 INFO L82 PathProgramCache]: Analyzing trace with hash 1710092045, now seen corresponding path program 1 times [2021-08-13 10:52:31,710 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 10:52:31,710 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539931647] [2021-08-13 10:52:31,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 10:52:31,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 10:52:31,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 10:52:31,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 10:52:31,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 10:52:31,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 10:52:31,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 10:52:31,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 10:52:31,838 INFO L142 QuantifierPusher]: treesize reduction 3, result has 81.3 percent of original size [2021-08-13 10:52:31,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 10:52:31,848 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-08-13 10:52:31,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 10:52:31,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 10:52:31,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 10:52:31,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 10:52:31,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 10:52:31,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 10:52:31,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 10:52:31,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 10:52:31,883 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 10:52:31,883 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539931647] [2021-08-13 10:52:31,884 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [539931647] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 10:52:31,884 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 10:52:31,884 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-08-13 10:52:31,884 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759393375] [2021-08-13 10:52:31,884 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-08-13 10:52:31,884 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 10:52:31,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-13 10:52:31,885 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-08-13 10:52:31,885 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 107 [2021-08-13 10:52:31,886 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 132 places, 145 transitions, 519 flow. Second operand has 8 states, 8 states have (on average 90.5) internal successors, (724), 8 states have internal predecessors, (724), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 10:52:31,886 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 10:52:31,886 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 107 [2021-08-13 10:52:31,886 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 10:52:32,476 INFO L129 PetriNetUnfolder]: 909/3464 cut-off events. [2021-08-13 10:52:32,477 INFO L130 PetriNetUnfolder]: For 913/1293 co-relation queries the response was YES. [2021-08-13 10:52:32,487 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6911 conditions, 3464 events. 909/3464 cut-off events. For 913/1293 co-relation queries the response was YES. Maximal size of possible extension queue 266. Compared 35013 event pairs, 207 based on Foata normal form. 5/3175 useless extension candidates. Maximal degree in co-relation 6849. Up to 614 conditions per place. [2021-08-13 10:52:32,492 INFO L132 encePairwiseOnDemand]: 97/107 looper letters, 59 selfloop transitions, 27 changer transitions 117/293 dead transitions. [2021-08-13 10:52:32,492 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 145 places, 293 transitions, 1745 flow [2021-08-13 10:52:32,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-13 10:52:32,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-08-13 10:52:32,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 1309 transitions. [2021-08-13 10:52:32,494 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8738317757009346 [2021-08-13 10:52:32,494 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 1309 transitions. [2021-08-13 10:52:32,494 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 1309 transitions. [2021-08-13 10:52:32,495 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 10:52:32,495 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 1309 transitions. [2021-08-13 10:52:32,497 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 93.5) internal successors, (1309), 14 states have internal predecessors, (1309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 10:52:32,499 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 107.0) internal successors, (1605), 15 states have internal predecessors, (1605), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 10:52:32,499 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 107.0) internal successors, (1605), 15 states have internal predecessors, (1605), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 10:52:32,499 INFO L348 CegarLoopForPetriNet]: 112 programPoint places, 33 predicate places. [2021-08-13 10:52:32,499 INFO L482 AbstractCegarLoop]: Abstraction has has 145 places, 293 transitions, 1745 flow [2021-08-13 10:52:32,499 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 90.5) internal successors, (724), 8 states have internal predecessors, (724), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 10:52:32,499 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 10:52:32,500 INFO L266 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, 1, 1, 1] [2021-08-13 10:52:32,500 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-13 10:52:32,500 INFO L430 AbstractCegarLoop]: === Iteration 5 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 10:52:32,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 10:52:32,500 INFO L82 PathProgramCache]: Analyzing trace with hash -1746526070, now seen corresponding path program 1 times [2021-08-13 10:52:32,500 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 10:52:32,500 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933241006] [2021-08-13 10:52:32,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 10:52:32,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 10:52:32,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 10:52:32,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 10:52:32,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 10:52:32,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 10:52:32,553 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-08-13 10:52:32,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 10:52:32,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 10:52:32,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 10:52:32,606 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-08-13 10:52:32,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 10:52:32,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 10:52:32,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 10:52:32,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 10:52:32,614 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 10:52:32,614 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933241006] [2021-08-13 10:52:32,614 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [933241006] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 10:52:32,614 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 10:52:32,614 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-13 10:52:32,614 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495184114] [2021-08-13 10:52:32,615 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-08-13 10:52:32,615 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 10:52:32,615 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-13 10:52:32,615 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-13 10:52:32,616 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 93 out of 107 [2021-08-13 10:52:32,616 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 145 places, 293 transitions, 1745 flow. Second operand has 6 states, 6 states have (on average 94.16666666666667) internal successors, (565), 6 states have internal predecessors, (565), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 10:52:32,617 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 10:52:32,617 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 93 of 107 [2021-08-13 10:52:32,617 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 10:52:33,263 INFO L129 PetriNetUnfolder]: 1574/5354 cut-off events. [2021-08-13 10:52:33,263 INFO L130 PetriNetUnfolder]: For 807/860 co-relation queries the response was YES. [2021-08-13 10:52:33,280 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10789 conditions, 5354 events. 1574/5354 cut-off events. For 807/860 co-relation queries the response was YES. Maximal size of possible extension queue 384. Compared 56753 event pairs, 166 based on Foata normal form. 19/5011 useless extension candidates. Maximal degree in co-relation 10724. Up to 759 conditions per place. [2021-08-13 10:52:33,287 INFO L132 encePairwiseOnDemand]: 97/107 looper letters, 24 selfloop transitions, 17 changer transitions 155/307 dead transitions. [2021-08-13 10:52:33,287 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 154 places, 307 transitions, 1759 flow [2021-08-13 10:52:33,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-13 10:52:33,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-08-13 10:52:33,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 973 transitions. [2021-08-13 10:52:33,289 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.9093457943925234 [2021-08-13 10:52:33,289 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 973 transitions. [2021-08-13 10:52:33,289 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 973 transitions. [2021-08-13 10:52:33,289 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 10:52:33,289 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 973 transitions. [2021-08-13 10:52:33,291 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 97.3) internal successors, (973), 10 states have internal predecessors, (973), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 10:52:33,292 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 107.0) internal successors, (1177), 11 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 10:52:33,292 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 107.0) internal successors, (1177), 11 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 10:52:33,292 INFO L348 CegarLoopForPetriNet]: 112 programPoint places, 42 predicate places. [2021-08-13 10:52:33,292 INFO L482 AbstractCegarLoop]: Abstraction has has 154 places, 307 transitions, 1759 flow [2021-08-13 10:52:33,293 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 94.16666666666667) internal successors, (565), 6 states have internal predecessors, (565), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 10:52:33,293 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 10:52:33,293 INFO L266 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, 1, 1, 1, 1, 1] [2021-08-13 10:52:33,293 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-13 10:52:33,293 INFO L430 AbstractCegarLoop]: === Iteration 6 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 10:52:33,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 10:52:33,293 INFO L82 PathProgramCache]: Analyzing trace with hash 1761742973, now seen corresponding path program 1 times [2021-08-13 10:52:33,293 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 10:52:33,293 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615621216] [2021-08-13 10:52:33,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 10:52:33,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 10:52:33,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 10:52:33,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 10:52:33,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 10:52:33,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 10:52:33,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 10:52:33,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 10:52:33,343 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-08-13 10:52:33,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 10:52:33,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 10:52:33,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 10:52:33,366 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-08-13 10:52:33,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 10:52:33,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 10:52:33,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 10:52:33,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 10:52:33,376 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 10:52:33,376 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1615621216] [2021-08-13 10:52:33,376 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1615621216] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 10:52:33,376 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 10:52:33,377 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-08-13 10:52:33,377 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838309217] [2021-08-13 10:52:33,377 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-08-13 10:52:33,377 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 10:52:33,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-13 10:52:33,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-08-13 10:52:33,378 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 93 out of 107 [2021-08-13 10:52:33,378 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 154 places, 307 transitions, 1759 flow. Second operand has 7 states, 7 states have (on average 94.14285714285714) internal successors, (659), 7 states have internal predecessors, (659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 10:52:33,379 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 10:52:33,379 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 93 of 107 [2021-08-13 10:52:33,379 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 10:52:33,844 INFO L129 PetriNetUnfolder]: 967/3377 cut-off events. [2021-08-13 10:52:33,844 INFO L130 PetriNetUnfolder]: For 476/2328 co-relation queries the response was YES. [2021-08-13 10:52:33,857 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7864 conditions, 3377 events. 967/3377 cut-off events. For 476/2328 co-relation queries the response was YES. Maximal size of possible extension queue 374. Compared 34085 event pairs, 35 based on Foata normal form. 371/3530 useless extension candidates. Maximal degree in co-relation 7796. Up to 714 conditions per place. [2021-08-13 10:52:33,862 INFO L132 encePairwiseOnDemand]: 97/107 looper letters, 22 selfloop transitions, 44 changer transitions 109/266 dead transitions. [2021-08-13 10:52:33,862 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 166 places, 266 transitions, 1451 flow [2021-08-13 10:52:33,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-13 10:52:33,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-08-13 10:52:33,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1266 transitions. [2021-08-13 10:52:33,865 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.910136592379583 [2021-08-13 10:52:33,865 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1266 transitions. [2021-08-13 10:52:33,865 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1266 transitions. [2021-08-13 10:52:33,865 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 10:52:33,865 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1266 transitions. [2021-08-13 10:52:33,868 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 97.38461538461539) internal successors, (1266), 13 states have internal predecessors, (1266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 10:52:33,869 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 107.0) internal successors, (1498), 14 states have internal predecessors, (1498), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 10:52:33,870 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 107.0) internal successors, (1498), 14 states have internal predecessors, (1498), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 10:52:33,870 INFO L348 CegarLoopForPetriNet]: 112 programPoint places, 54 predicate places. [2021-08-13 10:52:33,870 INFO L482 AbstractCegarLoop]: Abstraction has has 166 places, 266 transitions, 1451 flow [2021-08-13 10:52:33,871 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 94.14285714285714) internal successors, (659), 7 states have internal predecessors, (659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 10:52:33,871 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 10:52:33,871 INFO L266 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, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 10:52:33,871 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-13 10:52:33,871 INFO L430 AbstractCegarLoop]: === Iteration 7 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 10:52:33,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 10:52:33,871 INFO L82 PathProgramCache]: Analyzing trace with hash -262378728, now seen corresponding path program 1 times [2021-08-13 10:52:33,871 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 10:52:33,871 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98208415] [2021-08-13 10:52:33,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 10:52:33,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 10:52:33,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 10:52:33,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 10:52:33,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 10:52:33,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 10:52:33,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 10:52:33,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 10:52:33,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 10:52:33,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 10:52:33,955 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-08-13 10:52:33,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 10:52:33,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 10:52:33,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 10:52:33,974 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-08-13 10:52:33,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 10:52:33,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 10:52:33,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 10:52:33,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 10:52:33,986 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 10:52:33,986 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98208415] [2021-08-13 10:52:33,989 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [98208415] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 10:52:33,989 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 10:52:33,989 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-08-13 10:52:33,989 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706413927] [2021-08-13 10:52:33,989 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-08-13 10:52:34,022 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 10:52:34,023 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-13 10:52:34,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-08-13 10:52:34,023 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 93 out of 107 [2021-08-13 10:52:34,024 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 166 places, 266 transitions, 1451 flow. Second operand has 8 states, 8 states have (on average 94.125) internal successors, (753), 8 states have internal predecessors, (753), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 10:52:34,024 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 10:52:34,024 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 93 of 107 [2021-08-13 10:52:34,024 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 10:52:34,410 INFO L129 PetriNetUnfolder]: 861/2749 cut-off events. [2021-08-13 10:52:34,410 INFO L130 PetriNetUnfolder]: For 856/3716 co-relation queries the response was YES. [2021-08-13 10:52:34,421 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8201 conditions, 2749 events. 861/2749 cut-off events. For 856/3716 co-relation queries the response was YES. Maximal size of possible extension queue 373. Compared 27830 event pairs, 16 based on Foata normal form. 419/2985 useless extension candidates. Maximal degree in co-relation 8130. Up to 679 conditions per place. [2021-08-13 10:52:34,425 INFO L132 encePairwiseOnDemand]: 97/107 looper letters, 19 selfloop transitions, 48 changer transitions 76/224 dead transitions. [2021-08-13 10:52:34,425 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 163 places, 224 transitions, 1335 flow [2021-08-13 10:52:34,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-13 10:52:34,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-08-13 10:52:34,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 1544 transitions. [2021-08-13 10:52:34,428 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.9018691588785047 [2021-08-13 10:52:34,428 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 1544 transitions. [2021-08-13 10:52:34,428 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 1544 transitions. [2021-08-13 10:52:34,429 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 10:52:34,429 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 1544 transitions. [2021-08-13 10:52:34,431 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 96.5) internal successors, (1544), 16 states have internal predecessors, (1544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 10:52:34,433 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 107.0) internal successors, (1819), 17 states have internal predecessors, (1819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 10:52:34,434 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 107.0) internal successors, (1819), 17 states have internal predecessors, (1819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 10:52:34,434 INFO L348 CegarLoopForPetriNet]: 112 programPoint places, 51 predicate places. [2021-08-13 10:52:34,434 INFO L482 AbstractCegarLoop]: Abstraction has has 163 places, 224 transitions, 1335 flow [2021-08-13 10:52:34,434 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 94.125) internal successors, (753), 8 states have internal predecessors, (753), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 10:52:34,434 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 10:52:34,435 INFO L266 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 10:52:34,435 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-08-13 10:52:34,435 INFO L430 AbstractCegarLoop]: === Iteration 8 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 10:52:34,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 10:52:34,435 INFO L82 PathProgramCache]: Analyzing trace with hash -1032544635, now seen corresponding path program 1 times [2021-08-13 10:52:34,435 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 10:52:34,435 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440681939] [2021-08-13 10:52:34,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 10:52:34,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-13 10:52:34,515 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-13 10:52:34,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-13 10:52:34,560 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-13 10:52:34,600 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-13 10:52:34,600 INFO L651 BasicCegarLoop]: Counterexample might be feasible [2021-08-13 10:52:34,600 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-08-13 10:52:34,602 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-13 10:52:34,731 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.08 10:52:34 BasicIcfg [2021-08-13 10:52:34,731 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-13 10:52:34,732 INFO L168 Benchmark]: Toolchain (without parser) took 6272.65 ms. Allocated memory was 206.6 MB in the beginning and 598.7 MB in the end (delta: 392.2 MB). Free memory was 169.8 MB in the beginning and 430.8 MB in the end (delta: -260.9 MB). Peak memory consumption was 132.0 MB. Max. memory is 8.0 GB. [2021-08-13 10:52:34,732 INFO L168 Benchmark]: CDTParser took 0.09 ms. Allocated memory is still 206.6 MB. Free memory is still 187.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-13 10:52:34,732 INFO L168 Benchmark]: CACSL2BoogieTranslator took 429.98 ms. Allocated memory is still 206.6 MB. Free memory was 169.7 MB in the beginning and 166.1 MB in the end (delta: 3.6 MB). Peak memory consumption was 13.9 MB. Max. memory is 8.0 GB. [2021-08-13 10:52:34,733 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.94 ms. Allocated memory is still 206.6 MB. Free memory was 166.1 MB in the beginning and 164.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-13 10:52:34,733 INFO L168 Benchmark]: Boogie Preprocessor took 47.19 ms. Allocated memory is still 206.6 MB. Free memory was 164.0 MB in the beginning and 161.6 MB in the end (delta: 2.4 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-08-13 10:52:34,733 INFO L168 Benchmark]: RCFGBuilder took 1502.52 ms. Allocated memory was 206.6 MB in the beginning and 257.9 MB in the end (delta: 51.4 MB). Free memory was 161.6 MB in the beginning and 233.2 MB in the end (delta: -71.6 MB). Peak memory consumption was 99.2 MB. Max. memory is 8.0 GB. [2021-08-13 10:52:34,733 INFO L168 Benchmark]: TraceAbstraction took 4231.47 ms. Allocated memory was 257.9 MB in the beginning and 598.7 MB in the end (delta: 340.8 MB). Free memory was 233.2 MB in the beginning and 430.8 MB in the end (delta: -197.6 MB). Peak memory consumption was 142.7 MB. Max. memory is 8.0 GB. [2021-08-13 10:52:34,735 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09 ms. Allocated memory is still 206.6 MB. Free memory is still 187.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 429.98 ms. Allocated memory is still 206.6 MB. Free memory was 169.7 MB in the beginning and 166.1 MB in the end (delta: 3.6 MB). Peak memory consumption was 13.9 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 56.94 ms. Allocated memory is still 206.6 MB. Free memory was 166.1 MB in the beginning and 164.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 47.19 ms. Allocated memory is still 206.6 MB. Free memory was 164.0 MB in the beginning and 161.6 MB in the end (delta: 2.4 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1502.52 ms. Allocated memory was 206.6 MB in the beginning and 257.9 MB in the end (delta: 51.4 MB). Free memory was 161.6 MB in the beginning and 233.2 MB in the end (delta: -71.6 MB). Peak memory consumption was 99.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 4231.47 ms. Allocated memory was 257.9 MB in the beginning and 598.7 MB in the end (delta: 340.8 MB). Free memory was 233.2 MB in the beginning and 430.8 MB in the end (delta: -197.6 MB). Peak memory consumption was 142.7 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L710] 0 int __unbuffered_cnt = 0; VAL [__unbuffered_cnt=0] [L712] 0 int __unbuffered_p0_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0] [L714] 0 int __unbuffered_p0_EBX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0] [L716] 0 int __unbuffered_p2_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0] [L717] 0 _Bool main$tmp_guard0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0] [L718] 0 _Bool main$tmp_guard1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0] [L720] 0 int x = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0] [L721] 0 _Bool x$flush_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0] [L722] 0 int x$mem_tmp; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0] [L723] 0 _Bool x$r_buff0_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0] [L724] 0 _Bool x$r_buff0_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0] [L725] 0 _Bool x$r_buff0_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0] [L726] 0 _Bool x$r_buff0_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0] [L727] 0 _Bool x$r_buff1_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0] [L728] 0 _Bool x$r_buff1_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0] [L729] 0 _Bool x$r_buff1_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0] [L730] 0 _Bool x$r_buff1_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0] [L731] 0 _Bool x$read_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0] [L732] 0 int *x$read_delayed_var; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}] [L733] 0 int x$w_buff0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0] [L734] 0 _Bool x$w_buff0_used; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0] [L735] 0 int x$w_buff1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0] [L736] 0 _Bool x$w_buff1_used; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0] [L738] 0 int y = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L740] 0 int z = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L741] 0 _Bool weak$$choice0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L742] 0 _Bool weak$$choice2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L831] 0 pthread_t t2055; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L832] FCALL, FORK 0 pthread_create(&t2055, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L833] 0 pthread_t t2056; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L834] FCALL, FORK 0 pthread_create(&t2056, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L774] 2 x$w_buff1 = x$w_buff0 [L775] 2 x$w_buff0 = 1 [L776] 2 x$w_buff1_used = x$w_buff0_used [L777] 2 x$w_buff0_used = (_Bool)1 [L19] COND FALSE 2 !(!expression) [L779] 2 x$r_buff1_thd0 = x$r_buff0_thd0 [L780] 2 x$r_buff1_thd1 = x$r_buff0_thd1 [L781] 2 x$r_buff1_thd2 = x$r_buff0_thd2 [L782] 2 x$r_buff1_thd3 = x$r_buff0_thd3 [L783] 2 x$r_buff0_thd2 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L835] 0 pthread_t t2057; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L836] FCALL, FORK 0 pthread_create(&t2057, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L786] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=0] [L803] 3 __unbuffered_p2_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=0] [L806] 3 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L746] 1 __unbuffered_p0_EAX = z VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L749] 1 weak$$choice0 = __VERIFIER_nondet_bool() [L750] 1 weak$$choice2 = __VERIFIER_nondet_bool() [L751] 1 x$flush_delayed = weak$$choice2 [L752] 1 x$mem_tmp = x [L753] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1) [L753] 1 x = !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1) [L754] EXPR 1 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0)) [L754] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0) [L754] EXPR 1 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0)) [L754] 1 x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0)) [L755] EXPR 1 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1)) [L755] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1) [L755] EXPR 1 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1)) [L755] 1 x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1)) [L756] EXPR 1 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used)) [L756] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used) [L756] EXPR 1 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used)) [L756] 1 x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used)) [L757] EXPR 1 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L757] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0) [L757] EXPR 1 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L757] 1 x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L758] EXPR 1 weak$$choice2 ? x$r_buff0_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1)) [L758] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1) [L758] EXPR 1 weak$$choice2 ? x$r_buff0_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1)) [L758] 1 x$r_buff0_thd1 = weak$$choice2 ? x$r_buff0_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1)) [L759] EXPR 1 weak$$choice2 ? x$r_buff1_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L759] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0) [L759] EXPR 1 weak$$choice2 ? x$r_buff1_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L759] 1 x$r_buff1_thd1 = weak$$choice2 ? x$r_buff1_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L760] 1 __unbuffered_p0_EBX = x [L761] EXPR 1 x$flush_delayed ? x$mem_tmp : x [L761] 1 x = x$flush_delayed ? x$mem_tmp : x [L762] 1 x$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L789] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L789] 2 x = x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L790] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L790] 2 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L791] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L791] 2 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L792] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L792] 2 x$r_buff0_thd2 = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L793] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L793] 2 x$r_buff1_thd2 = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L809] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L809] EXPR 3 x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x [L809] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L809] 3 x = x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L810] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$w_buff0_used [L810] 3 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$w_buff0_used [L811] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$w_buff1_used [L811] 3 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$w_buff1_used [L812] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$r_buff0_thd3 [L812] 3 x$r_buff0_thd3 = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$r_buff0_thd3 [L813] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$r_buff1_thd3 [L813] 3 x$r_buff1_thd3 = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$r_buff1_thd3 [L767] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L796] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L816] 3 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=3, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L838] 0 main$tmp_guard0 = __unbuffered_cnt == 3 VAL [__unbuffered_cnt=3, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L4] COND FALSE 0 !(!cond) VAL [__unbuffered_cnt=3, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L842] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L842] EXPR 0 x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x [L842] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L842] 0 x = x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L843] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L843] 0 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L844] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L844] 0 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L845] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L845] 0 x$r_buff0_thd0 = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L846] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L846] 0 x$r_buff1_thd0 = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L849] 0 main$tmp_guard1 = !(__unbuffered_p0_EAX == 1 && __unbuffered_p0_EBX == 0 && __unbuffered_p2_EAX == 1) VAL [__unbuffered_cnt=3, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L19] COND TRUE 0 !expression VAL [__unbuffered_cnt=3, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L19] 0 reach_error() VAL [__unbuffered_cnt=3, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 133 locations, 6 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 21.5ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 3988.7ms, OverallIterations: 8, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 2728.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 40.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 56 SDtfs, 247 SDslu, 215 SDs, 0 SdLazy, 323 SolverSat, 90 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 300.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 91 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 719.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=1759occurred in iteration=5, InterpolantAutomatonStates: 78, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 27.0ms SsaConstructionTime, 274.6ms SatisfiabilityAnalysisTime, 639.6ms InterpolantComputationTime, 584 NumberOfCodeBlocks, 584 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 494 ConstructedInterpolants, 0 QuantifiedInterpolants, 1428 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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...