/usr/bin/java -Xmx16000000000 -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-SemanticLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix006_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-0e22065b97d0a1f8b3904e080cebe0f05e88d2b7-0e22065 [2021-06-10 20:43:00,548 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-10 20:43:00,550 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-10 20:43:00,585 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-10 20:43:00,586 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-10 20:43:00,589 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-10 20:43:00,591 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-10 20:43:00,596 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-10 20:43:00,598 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-10 20:43:00,602 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-10 20:43:00,603 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-10 20:43:00,604 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-10 20:43:00,604 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-10 20:43:00,606 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-10 20:43:00,607 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-10 20:43:00,608 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-10 20:43:00,611 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-10 20:43:00,612 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-10 20:43:00,614 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-10 20:43:00,619 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-10 20:43:00,620 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-10 20:43:00,621 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-10 20:43:00,622 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-10 20:43:00,623 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-10 20:43:00,629 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-10 20:43:00,632 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-10 20:43:00,633 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-10 20:43:00,635 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-10 20:43:00,635 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-10 20:43:00,636 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-10 20:43:00,636 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-10 20:43:00,637 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-10 20:43:00,637 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-10 20:43:00,637 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-10 20:43:00,638 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-10 20:43:00,638 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-10 20:43:00,639 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-SemanticLbe.epf [2021-06-10 20:43:00,673 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-10 20:43:00,674 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-10 20:43:00,676 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-10 20:43:00,676 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-10 20:43:00,677 INFO L138 SettingsManager]: * Use SBE=true [2021-06-10 20:43:00,677 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-10 20:43:00,677 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-10 20:43:00,677 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-10 20:43:00,677 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-10 20:43:00,677 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-10 20:43:00,678 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-10 20:43:00,678 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-10 20:43:00,678 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-10 20:43:00,679 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-10 20:43:00,679 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-10 20:43:00,679 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-10 20:43:00,679 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-10 20:43:00,679 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-10 20:43:00,679 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-10 20:43:00,679 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-10 20:43:00,679 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-10 20:43:00,680 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-10 20:43:00,680 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-10 20:43:00,680 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-10 20:43:00,680 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-10 20:43:00,680 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-10 20:43:00,680 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-10 20:43:00,680 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-06-10 20:43:00,680 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-10 20:43:01,017 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-10 20:43:01,034 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-10 20:43:01,036 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-10 20:43:01,037 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-10 20:43:01,038 INFO L275 PluginConnector]: CDTParser initialized [2021-06-10 20:43:01,038 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix006_pso.opt.i [2021-06-10 20:43:01,085 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a712a038/805125a3bc8e4b689c7e4d8b607e0599/FLAG253dff3c2 [2021-06-10 20:43:01,703 INFO L306 CDTParser]: Found 1 translation units. [2021-06-10 20:43:01,704 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix006_pso.opt.i [2021-06-10 20:43:01,721 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a712a038/805125a3bc8e4b689c7e4d8b607e0599/FLAG253dff3c2 [2021-06-10 20:43:01,885 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a712a038/805125a3bc8e4b689c7e4d8b607e0599 [2021-06-10 20:43:01,887 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-10 20:43:01,889 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-10 20:43:01,892 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-10 20:43:01,892 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-10 20:43:01,895 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-10 20:43:01,896 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.06 08:43:01" (1/1) ... [2021-06-10 20:43:01,897 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5279bdd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 08:43:01, skipping insertion in model container [2021-06-10 20:43:01,898 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.06 08:43:01" (1/1) ... [2021-06-10 20:43:01,902 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-10 20:43:01,954 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-10 20:43:02,127 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix006_pso.opt.i[948,961] [2021-06-10 20:43:02,357 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-10 20:43:02,367 INFO L203 MainTranslator]: Completed pre-run [2021-06-10 20:43:02,378 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix006_pso.opt.i[948,961] [2021-06-10 20:43:02,435 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-10 20:43:02,491 INFO L208 MainTranslator]: Completed translation [2021-06-10 20:43:02,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 08:43:02 WrapperNode [2021-06-10 20:43:02,491 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-10 20:43:02,492 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-10 20:43:02,492 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-10 20:43:02,492 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-10 20:43:02,498 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 08:43:02" (1/1) ... [2021-06-10 20:43:02,512 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 08:43:02" (1/1) ... [2021-06-10 20:43:02,537 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-10 20:43:02,538 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-10 20:43:02,538 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-10 20:43:02,538 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-10 20:43:02,545 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 08:43:02" (1/1) ... [2021-06-10 20:43:02,545 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 08:43:02" (1/1) ... [2021-06-10 20:43:02,549 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 08:43:02" (1/1) ... [2021-06-10 20:43:02,549 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 08:43:02" (1/1) ... [2021-06-10 20:43:02,567 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 08:43:02" (1/1) ... [2021-06-10 20:43:02,583 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 08:43:02" (1/1) ... [2021-06-10 20:43:02,586 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 08:43:02" (1/1) ... [2021-06-10 20:43:02,589 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-10 20:43:02,590 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-10 20:43:02,590 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-10 20:43:02,590 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-10 20:43:02,591 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 08:43:02" (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 [2021-06-10 20:43:02,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-10 20:43:02,680 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-10 20:43:02,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-10 20:43:02,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-10 20:43:02,682 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-10 20:43:02,682 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-10 20:43:02,683 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-10 20:43:02,683 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-10 20:43:02,684 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-06-10 20:43:02,684 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-06-10 20:43:02,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-10 20:43:02,684 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-10 20:43:02,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-10 20:43:02,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-10 20:43:02,686 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-10 20:43:04,653 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-10 20:43:04,653 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-06-10 20:43:04,655 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.06 08:43:04 BoogieIcfgContainer [2021-06-10 20:43:04,655 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-10 20:43:04,656 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-10 20:43:04,656 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-10 20:43:04,658 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-10 20:43:04,658 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.06 08:43:01" (1/3) ... [2021-06-10 20:43:04,659 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@579f0161 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.06 08:43:04, skipping insertion in model container [2021-06-10 20:43:04,659 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 08:43:02" (2/3) ... [2021-06-10 20:43:04,659 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@579f0161 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.06 08:43:04, skipping insertion in model container [2021-06-10 20:43:04,659 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.06 08:43:04" (3/3) ... [2021-06-10 20:43:04,661 INFO L111 eAbstractionObserver]: Analyzing ICFG mix006_pso.opt.i [2021-06-10 20:43:04,666 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-10 20:43:04,676 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-06-10 20:43:04,677 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-10 20:43:04,715 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,715 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,715 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,716 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,716 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,716 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,716 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,716 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,716 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,716 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,716 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,717 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,717 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,717 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,717 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,717 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,717 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,717 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,717 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,718 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,718 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,718 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,718 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,718 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,718 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,718 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,719 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,719 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,719 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,719 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,719 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,719 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,719 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,719 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,720 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,720 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,720 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,720 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,720 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,720 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,720 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,720 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,721 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,721 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,721 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,721 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,721 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,721 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,721 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,721 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,722 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,722 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,722 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,722 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,722 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,722 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,722 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,722 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,724 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,724 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,725 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,725 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,725 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,725 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,725 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,725 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,725 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,725 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,725 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,726 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,726 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,726 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,726 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,726 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,726 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,726 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,726 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,726 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,727 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,727 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,727 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,727 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,727 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,727 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,727 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,727 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,728 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,728 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,728 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,728 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,728 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,728 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,728 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,728 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,728 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,729 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,731 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,731 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,731 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,731 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,731 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,732 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,732 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,732 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,732 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,732 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,732 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,732 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,733 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,733 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,733 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,733 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,733 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,733 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,734 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,734 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,734 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,734 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,734 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,734 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,734 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,734 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,735 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,735 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,735 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,735 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,735 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,735 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,735 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,735 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,735 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,735 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,736 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,736 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,736 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,736 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,736 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,736 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,736 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,736 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,736 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,736 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,737 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,737 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,737 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,737 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,737 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,737 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,737 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,737 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,737 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,737 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,738 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,738 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,740 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,740 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,740 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,740 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,740 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,740 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,740 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,740 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,740 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,741 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,741 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,741 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,741 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,741 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,741 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,741 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,741 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,741 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,741 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,742 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,742 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,742 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,742 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,742 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,742 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,742 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,742 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,742 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,742 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,743 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,743 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,743 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,743 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,743 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,743 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,743 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,743 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,743 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,745 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,746 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,746 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,746 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,746 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,746 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,746 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,746 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,747 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,747 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,747 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,747 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,747 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,747 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,748 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,748 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,748 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,748 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,750 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,750 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,750 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,750 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,752 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,752 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,752 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,752 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,752 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,753 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,753 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,753 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,753 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,753 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,753 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,753 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,754 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,754 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,754 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,754 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,754 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,754 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,754 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,755 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,755 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,755 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,755 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,755 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,755 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,755 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,755 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,761 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,761 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,761 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,762 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,762 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,762 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,762 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,762 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,762 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,762 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,762 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,763 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,763 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,763 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,763 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,763 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,763 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,763 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,764 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,764 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,764 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,764 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,764 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,764 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,764 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,764 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,765 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,765 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,765 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,765 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,765 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,765 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,765 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,765 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,766 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:43:04,768 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-10 20:43:04,784 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-06-10 20:43:04,822 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-06-10 20:43:04,822 INFO L377 AbstractCegarLoop]: Hoare is false [2021-06-10 20:43:04,822 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-10 20:43:04,822 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-10 20:43:04,822 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-10 20:43:04,823 INFO L381 AbstractCegarLoop]: Difference is false [2021-06-10 20:43:04,823 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-10 20:43:04,823 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-10 20:43:04,833 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 108 places, 100 transitions, 215 flow [2021-06-10 20:43:04,909 INFO L129 PetriNetUnfolder]: 2/97 cut-off events. [2021-06-10 20:43:04,909 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-10 20:43:04,919 INFO L84 FinitePrefix]: Finished finitePrefix Result has 107 conditions, 97 events. 2/97 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 68 event pairs, 0 based on Foata normal form. 0/93 useless extension candidates. Maximal degree in co-relation 61. Up to 2 conditions per place. [2021-06-10 20:43:04,919 INFO L82 GeneralOperation]: Start removeDead. Operand has 108 places, 100 transitions, 215 flow [2021-06-10 20:43:04,923 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 105 places, 97 transitions, 203 flow [2021-06-10 20:43:04,925 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-10 20:43:04,945 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 105 places, 97 transitions, 203 flow [2021-06-10 20:43:04,950 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 105 places, 97 transitions, 203 flow [2021-06-10 20:43:04,955 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 105 places, 97 transitions, 203 flow [2021-06-10 20:43:04,984 INFO L129 PetriNetUnfolder]: 2/97 cut-off events. [2021-06-10 20:43:04,985 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-10 20:43:04,986 INFO L84 FinitePrefix]: Finished finitePrefix Result has 107 conditions, 97 events. 2/97 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 69 event pairs, 0 based on Foata normal form. 0/93 useless extension candidates. Maximal degree in co-relation 61. Up to 2 conditions per place. [2021-06-10 20:43:04,991 INFO L151 LiptonReduction]: Number of co-enabled transitions 1658 [2021-06-10 20:43:05,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:43:05,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:43:05,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:43:05,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:43:05,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:43:05,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:43:05,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:43:05,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:43:05,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:43:05,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:43:05,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:43:05,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:43:05,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:43:05,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:43:05,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:43:05,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:43:05,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:43:05,351 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 20:43:05,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:43:05,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 20:43:05,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 20:43:05,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:43:05,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:43:05,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:43:05,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:43:05,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:43:05,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:43:05,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:43:05,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:43:05,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:43:05,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:43:05,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:43:05,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:43:05,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:43:05,604 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 20:43:05,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:43:05,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 20:43:05,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 20:43:05,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:43:05,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:43:05,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:43:05,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:43:05,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:43:05,864 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2021-06-10 20:43:05,865 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-10 20:43:05,891 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:43:05,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:43:06,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:43:06,022 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 20:43:06,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:43:06,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 20:43:06,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 20:43:06,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:43:06,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:43:06,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:43:06,227 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 20:43:06,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:43:06,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 20:43:06,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 20:43:06,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:43:06,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:43:06,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:43:06,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:43:06,371 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-06-10 20:43:06,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:43:06,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:43:06,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:43:06,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:43:06,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:43:06,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:43:06,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:43:06,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:43:06,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:43:06,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:43:06,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:43:06,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:43:06,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:43:06,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:43:06,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:43:06,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:43:06,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:43:06,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:43:06,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:43:06,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:43:06,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:43:06,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:43:06,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:43:06,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:43:06,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:43:06,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:43:06,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:43:07,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:43:07,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:43:07,222 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-06-10 20:43:07,658 WARN L205 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 88 [2021-06-10 20:43:07,789 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-06-10 20:43:07,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:43:07,817 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 20:43:07,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:43:07,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-06-10 20:43:07,821 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 20:43:07,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:43:07,823 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 3, 2, 2, 1] term [2021-06-10 20:43:07,823 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-10 20:43:07,826 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:43:07,828 INFO L147 QuantifierPusher]: treesize reduction 39, result has 69.0 percent of original size 87 [2021-06-10 20:43:07,828 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 20:43:07,830 INFO L142 QuantifierPusher]: treesize reduction 39, result has 75.6 percent of original size [2021-06-10 20:43:07,830 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 3, 4, 2, 1] term [2021-06-10 20:43:07,831 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-10 20:43:07,832 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:43:07,834 INFO L147 QuantifierPusher]: treesize reduction 113, result has 30.7 percent of original size 50 [2021-06-10 20:43:07,835 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 3, 3, 4, 2, 1] term [2021-06-10 20:43:07,836 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-10 20:43:07,837 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:43:07,840 INFO L147 QuantifierPusher]: treesize reduction 189, result has 28.4 percent of original size 75 [2021-06-10 20:43:07,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:43:07,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:43:07,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:43:07,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:43:08,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:43:08,205 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 20:43:08,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:43:08,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 20:43:08,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 20:43:08,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:43:08,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:43:08,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:43:08,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:43:08,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:43:08,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:43:08,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:43:08,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:43:08,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:43:08,417 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 20:43:08,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:43:08,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 20:43:08,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 20:43:08,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:43:08,489 INFO L147 QuantifierPusher]: treesize reduction 80, result has 25.2 percent of original size 27 [2021-06-10 20:43:08,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:43:08,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:43:08,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:43:08,784 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 20:43:08,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:43:08,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 20:43:08,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 20:43:08,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:43:08,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:43:09,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:43:09,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:43:09,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:43:09,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:43:09,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:43:09,302 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 20:43:09,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:43:09,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 20:43:09,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 20:43:09,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:43:09,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:43:09,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:43:09,583 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 20:43:09,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:43:09,588 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 20:43:09,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:43:09,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 20:43:09,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 20:43:09,590 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 20:43:09,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:43:09,601 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 20:43:09,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:43:09,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-10 20:43:09,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-10 20:43:09,603 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 20:43:09,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:43:09,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-10 20:43:09,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-10 20:43:10,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:43:10,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:43:10,497 WARN L205 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 118 [2021-06-10 20:43:10,637 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2021-06-10 20:43:10,978 WARN L205 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 118 [2021-06-10 20:43:11,126 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2021-06-10 20:43:11,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:43:11,134 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 20:43:11,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:43:11,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 20:43:11,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 20:43:11,208 INFO L163 LiptonReduction]: Checked pairs total: 4790 [2021-06-10 20:43:11,209 INFO L165 LiptonReduction]: Total number of compositions: 92 [2021-06-10 20:43:11,212 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 6288 [2021-06-10 20:43:11,229 INFO L129 PetriNetUnfolder]: 0/14 cut-off events. [2021-06-10 20:43:11,229 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-10 20:43:11,229 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 20:43:11,230 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-06-10 20:43:11,232 INFO L428 AbstractCegarLoop]: === Iteration 1 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-10 20:43:11,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 20:43:11,238 INFO L82 PathProgramCache]: Analyzing trace with hash -340125186, now seen corresponding path program 1 times [2021-06-10 20:43:11,245 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 20:43:11,245 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239275281] [2021-06-10 20:43:11,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 20:43:11,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 20:43:11,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:43:11,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 20:43:11,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 20:43:11,453 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239275281] [2021-06-10 20:43:11,454 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 20:43:11,454 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-06-10 20:43:11,454 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602952670] [2021-06-10 20:43:11,461 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-10 20:43:11,461 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 20:43:11,471 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-10 20:43:11,473 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-10 20:43:11,475 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 161 out of 192 [2021-06-10 20:43:11,480 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 26 transitions, 61 flow. Second operand has 3 states, 3 states have (on average 161.66666666666666) internal successors, (485), 3 states have internal predecessors, (485), 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) [2021-06-10 20:43:11,480 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 20:43:11,480 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 161 of 192 [2021-06-10 20:43:11,481 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 20:43:11,545 INFO L129 PetriNetUnfolder]: 13/53 cut-off events. [2021-06-10 20:43:11,545 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-10 20:43:11,545 INFO L84 FinitePrefix]: Finished finitePrefix Result has 93 conditions, 53 events. 13/53 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 160 event pairs, 1 based on Foata normal form. 16/66 useless extension candidates. Maximal degree in co-relation 83. Up to 25 conditions per place. [2021-06-10 20:43:11,546 INFO L132 encePairwiseOnDemand]: 187/192 looper letters, 6 selfloop transitions, 2 changer transitions 0/25 dead transitions. [2021-06-10 20:43:11,546 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 25 transitions, 75 flow [2021-06-10 20:43:11,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-10 20:43:11,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-10 20:43:11,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 496 transitions. [2021-06-10 20:43:11,564 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8611111111111112 [2021-06-10 20:43:11,564 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 496 transitions. [2021-06-10 20:43:11,565 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 496 transitions. [2021-06-10 20:43:11,568 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 20:43:11,570 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 496 transitions. [2021-06-10 20:43:11,575 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 165.33333333333334) internal successors, (496), 3 states have internal predecessors, (496), 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) [2021-06-10 20:43:11,583 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 192.0) internal successors, (768), 4 states have internal predecessors, (768), 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) [2021-06-10 20:43:11,584 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 192.0) internal successors, (768), 4 states have internal predecessors, (768), 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) [2021-06-10 20:43:11,585 INFO L185 Difference]: Start difference. First operand has 35 places, 26 transitions, 61 flow. Second operand 3 states and 496 transitions. [2021-06-10 20:43:11,586 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 35 places, 25 transitions, 75 flow [2021-06-10 20:43:11,588 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 32 places, 25 transitions, 72 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-06-10 20:43:11,589 INFO L241 Difference]: Finished difference. Result has 32 places, 23 transitions, 56 flow [2021-06-10 20:43:11,591 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=192, PETRI_DIFFERENCE_MINUEND_FLOW=52, PETRI_DIFFERENCE_MINUEND_PLACES=30, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=23, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=56, PETRI_PLACES=32, PETRI_TRANSITIONS=23} [2021-06-10 20:43:11,591 INFO L343 CegarLoopForPetriNet]: 35 programPoint places, -3 predicate places. [2021-06-10 20:43:11,591 INFO L480 AbstractCegarLoop]: Abstraction has has 32 places, 23 transitions, 56 flow [2021-06-10 20:43:11,592 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 161.66666666666666) internal successors, (485), 3 states have internal predecessors, (485), 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) [2021-06-10 20:43:11,592 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 20:43:11,592 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 20:43:11,592 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-10 20:43:11,592 INFO L428 AbstractCegarLoop]: === Iteration 2 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-10 20:43:11,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 20:43:11,594 INFO L82 PathProgramCache]: Analyzing trace with hash -442733754, now seen corresponding path program 1 times [2021-06-10 20:43:11,594 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 20:43:11,594 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007355602] [2021-06-10 20:43:11,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 20:43:11,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 20:43:11,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:43:11,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 20:43:11,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 20:43:11,711 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007355602] [2021-06-10 20:43:11,711 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 20:43:11,711 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-06-10 20:43:11,711 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615136565] [2021-06-10 20:43:11,712 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-10 20:43:11,712 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 20:43:11,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-10 20:43:11,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-10 20:43:11,715 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 162 out of 192 [2021-06-10 20:43:11,715 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 23 transitions, 56 flow. Second operand has 3 states, 3 states have (on average 162.66666666666666) internal successors, (488), 3 states have internal predecessors, (488), 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) [2021-06-10 20:43:11,715 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 20:43:11,715 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 162 of 192 [2021-06-10 20:43:11,716 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 20:43:11,735 INFO L129 PetriNetUnfolder]: 1/28 cut-off events. [2021-06-10 20:43:11,735 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-10 20:43:11,736 INFO L84 FinitePrefix]: Finished finitePrefix Result has 45 conditions, 28 events. 1/28 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 39 event pairs, 0 based on Foata normal form. 0/26 useless extension candidates. Maximal degree in co-relation 36. Up to 5 conditions per place. [2021-06-10 20:43:11,737 INFO L132 encePairwiseOnDemand]: 189/192 looper letters, 1 selfloop transitions, 2 changer transitions 3/24 dead transitions. [2021-06-10 20:43:11,737 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 24 transitions, 68 flow [2021-06-10 20:43:11,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-10 20:43:11,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-10 20:43:11,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 492 transitions. [2021-06-10 20:43:11,738 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8541666666666666 [2021-06-10 20:43:11,738 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 492 transitions. [2021-06-10 20:43:11,739 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 492 transitions. [2021-06-10 20:43:11,739 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 20:43:11,739 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 492 transitions. [2021-06-10 20:43:11,740 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 164.0) internal successors, (492), 3 states have internal predecessors, (492), 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) [2021-06-10 20:43:11,742 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 192.0) internal successors, (768), 4 states have internal predecessors, (768), 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) [2021-06-10 20:43:11,742 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 192.0) internal successors, (768), 4 states have internal predecessors, (768), 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) [2021-06-10 20:43:11,742 INFO L185 Difference]: Start difference. First operand has 32 places, 23 transitions, 56 flow. Second operand 3 states and 492 transitions. [2021-06-10 20:43:11,743 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 34 places, 24 transitions, 68 flow [2021-06-10 20:43:11,743 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 32 places, 24 transitions, 64 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-06-10 20:43:11,744 INFO L241 Difference]: Finished difference. Result has 33 places, 21 transitions, 56 flow [2021-06-10 20:43:11,744 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=192, PETRI_DIFFERENCE_MINUEND_FLOW=52, PETRI_DIFFERENCE_MINUEND_PLACES=30, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=23, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=56, PETRI_PLACES=33, PETRI_TRANSITIONS=21} [2021-06-10 20:43:11,744 INFO L343 CegarLoopForPetriNet]: 35 programPoint places, -2 predicate places. [2021-06-10 20:43:11,744 INFO L480 AbstractCegarLoop]: Abstraction has has 33 places, 21 transitions, 56 flow [2021-06-10 20:43:11,745 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 162.66666666666666) internal successors, (488), 3 states have internal predecessors, (488), 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) [2021-06-10 20:43:11,745 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 20:43:11,745 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 20:43:11,745 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-06-10 20:43:11,745 INFO L428 AbstractCegarLoop]: === Iteration 3 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-10 20:43:11,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 20:43:11,746 INFO L82 PathProgramCache]: Analyzing trace with hash -265392148, now seen corresponding path program 1 times [2021-06-10 20:43:11,746 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 20:43:11,746 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684129737] [2021-06-10 20:43:11,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 20:43:11,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 20:43:11,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:43:11,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 20:43:11,846 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-06-10 20:43:11,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 20:43:11,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 20:43:11,857 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684129737] [2021-06-10 20:43:11,857 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 20:43:11,857 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-10 20:43:11,857 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250376667] [2021-06-10 20:43:11,857 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-10 20:43:11,858 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 20:43:11,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-10 20:43:11,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-06-10 20:43:11,859 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 145 out of 192 [2021-06-10 20:43:11,860 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 21 transitions, 56 flow. Second operand has 4 states, 4 states have (on average 145.75) internal successors, (583), 4 states have internal predecessors, (583), 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) [2021-06-10 20:43:11,860 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 20:43:11,860 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 145 of 192 [2021-06-10 20:43:11,860 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 20:43:11,909 INFO L129 PetriNetUnfolder]: 36/127 cut-off events. [2021-06-10 20:43:11,909 INFO L130 PetriNetUnfolder]: For 26/26 co-relation queries the response was YES. [2021-06-10 20:43:11,910 INFO L84 FinitePrefix]: Finished finitePrefix Result has 244 conditions, 127 events. 36/127 cut-off events. For 26/26 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 545 event pairs, 21 based on Foata normal form. 12/134 useless extension candidates. Maximal degree in co-relation 234. Up to 48 conditions per place. [2021-06-10 20:43:11,910 INFO L132 encePairwiseOnDemand]: 185/192 looper letters, 8 selfloop transitions, 6 changer transitions 0/27 dead transitions. [2021-06-10 20:43:11,911 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 27 transitions, 102 flow [2021-06-10 20:43:11,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-10 20:43:11,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-06-10 20:43:11,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 596 transitions. [2021-06-10 20:43:11,912 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7760416666666666 [2021-06-10 20:43:11,912 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 596 transitions. [2021-06-10 20:43:11,913 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 596 transitions. [2021-06-10 20:43:11,913 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 20:43:11,913 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 596 transitions. [2021-06-10 20:43:11,914 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 149.0) internal successors, (596), 4 states have internal predecessors, (596), 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) [2021-06-10 20:43:11,916 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 192.0) internal successors, (960), 5 states have internal predecessors, (960), 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) [2021-06-10 20:43:11,916 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 192.0) internal successors, (960), 5 states have internal predecessors, (960), 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) [2021-06-10 20:43:11,917 INFO L185 Difference]: Start difference. First operand has 33 places, 21 transitions, 56 flow. Second operand 4 states and 596 transitions. [2021-06-10 20:43:11,917 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 34 places, 27 transitions, 102 flow [2021-06-10 20:43:11,917 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 32 places, 27 transitions, 94 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-06-10 20:43:11,918 INFO L241 Difference]: Finished difference. Result has 35 places, 25 transitions, 97 flow [2021-06-10 20:43:11,918 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=192, PETRI_DIFFERENCE_MINUEND_FLOW=52, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=97, PETRI_PLACES=35, PETRI_TRANSITIONS=25} [2021-06-10 20:43:11,918 INFO L343 CegarLoopForPetriNet]: 35 programPoint places, 0 predicate places. [2021-06-10 20:43:11,918 INFO L480 AbstractCegarLoop]: Abstraction has has 35 places, 25 transitions, 97 flow [2021-06-10 20:43:11,919 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 145.75) internal successors, (583), 4 states have internal predecessors, (583), 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) [2021-06-10 20:43:11,919 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 20:43:11,919 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 20:43:11,919 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-06-10 20:43:11,919 INFO L428 AbstractCegarLoop]: === Iteration 4 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-10 20:43:11,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 20:43:11,919 INFO L82 PathProgramCache]: Analyzing trace with hash -1637534024, now seen corresponding path program 1 times [2021-06-10 20:43:11,919 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 20:43:11,920 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181041348] [2021-06-10 20:43:11,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 20:43:11,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 20:43:11,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:43:11,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 20:43:11,981 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-06-10 20:43:11,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 20:43:11,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:43:11,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:43:11,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 20:43:11,990 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181041348] [2021-06-10 20:43:11,990 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 20:43:11,990 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-10 20:43:11,990 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374627625] [2021-06-10 20:43:11,990 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-10 20:43:11,990 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 20:43:11,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-10 20:43:11,991 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-10 20:43:11,991 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 150 out of 192 [2021-06-10 20:43:11,992 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 25 transitions, 97 flow. Second operand has 4 states, 4 states have (on average 150.75) internal successors, (603), 4 states have internal predecessors, (603), 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) [2021-06-10 20:43:11,992 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 20:43:11,992 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 150 of 192 [2021-06-10 20:43:11,992 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 20:43:12,050 INFO L129 PetriNetUnfolder]: 126/306 cut-off events. [2021-06-10 20:43:12,051 INFO L130 PetriNetUnfolder]: For 80/84 co-relation queries the response was YES. [2021-06-10 20:43:12,052 INFO L84 FinitePrefix]: Finished finitePrefix Result has 683 conditions, 306 events. 126/306 cut-off events. For 80/84 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 1773 event pairs, 54 based on Foata normal form. 30/312 useless extension candidates. Maximal degree in co-relation 670. Up to 175 conditions per place. [2021-06-10 20:43:12,054 INFO L132 encePairwiseOnDemand]: 186/192 looper letters, 8 selfloop transitions, 8 changer transitions 0/35 dead transitions. [2021-06-10 20:43:12,054 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 35 transitions, 149 flow [2021-06-10 20:43:12,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-10 20:43:12,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-10 20:43:12,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 768 transitions. [2021-06-10 20:43:12,056 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8 [2021-06-10 20:43:12,056 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 768 transitions. [2021-06-10 20:43:12,056 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 768 transitions. [2021-06-10 20:43:12,057 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 20:43:12,057 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 768 transitions. [2021-06-10 20:43:12,059 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 153.6) internal successors, (768), 5 states have internal predecessors, (768), 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) [2021-06-10 20:43:12,060 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 192.0) internal successors, (1152), 6 states have internal predecessors, (1152), 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) [2021-06-10 20:43:12,061 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 192.0) internal successors, (1152), 6 states have internal predecessors, (1152), 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) [2021-06-10 20:43:12,061 INFO L185 Difference]: Start difference. First operand has 35 places, 25 transitions, 97 flow. Second operand 5 states and 768 transitions. [2021-06-10 20:43:12,061 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 35 transitions, 149 flow [2021-06-10 20:43:12,063 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 35 transitions, 147 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-06-10 20:43:12,064 INFO L241 Difference]: Finished difference. Result has 41 places, 32 transitions, 155 flow [2021-06-10 20:43:12,064 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=192, PETRI_DIFFERENCE_MINUEND_FLOW=95, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=155, PETRI_PLACES=41, PETRI_TRANSITIONS=32} [2021-06-10 20:43:12,064 INFO L343 CegarLoopForPetriNet]: 35 programPoint places, 6 predicate places. [2021-06-10 20:43:12,064 INFO L480 AbstractCegarLoop]: Abstraction has has 41 places, 32 transitions, 155 flow [2021-06-10 20:43:12,064 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 150.75) internal successors, (603), 4 states have internal predecessors, (603), 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) [2021-06-10 20:43:12,064 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 20:43:12,065 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 20:43:12,065 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-06-10 20:43:12,065 INFO L428 AbstractCegarLoop]: === Iteration 5 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-10 20:43:12,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 20:43:12,065 INFO L82 PathProgramCache]: Analyzing trace with hash 846263051, now seen corresponding path program 1 times [2021-06-10 20:43:12,065 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 20:43:12,065 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674401167] [2021-06-10 20:43:12,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 20:43:12,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 20:43:12,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:43:12,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:43:12,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:43:12,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 20:43:12,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 20:43:12,107 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674401167] [2021-06-10 20:43:12,107 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 20:43:12,107 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-10 20:43:12,107 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225564351] [2021-06-10 20:43:12,108 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-10 20:43:12,108 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 20:43:12,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-10 20:43:12,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-10 20:43:12,109 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 159 out of 192 [2021-06-10 20:43:12,109 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 32 transitions, 155 flow. Second operand has 3 states, 3 states have (on average 160.66666666666666) internal successors, (482), 3 states have internal predecessors, (482), 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) [2021-06-10 20:43:12,109 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 20:43:12,109 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 159 of 192 [2021-06-10 20:43:12,109 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 20:43:12,160 INFO L129 PetriNetUnfolder]: 159/383 cut-off events. [2021-06-10 20:43:12,160 INFO L130 PetriNetUnfolder]: For 505/709 co-relation queries the response was YES. [2021-06-10 20:43:12,162 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1122 conditions, 383 events. 159/383 cut-off events. For 505/709 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 2369 event pairs, 71 based on Foata normal form. 25/358 useless extension candidates. Maximal degree in co-relation 1105. Up to 237 conditions per place. [2021-06-10 20:43:12,163 INFO L132 encePairwiseOnDemand]: 189/192 looper letters, 4 selfloop transitions, 3 changer transitions 2/34 dead transitions. [2021-06-10 20:43:12,163 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 34 transitions, 178 flow [2021-06-10 20:43:12,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-10 20:43:12,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-10 20:43:12,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 485 transitions. [2021-06-10 20:43:12,165 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8420138888888888 [2021-06-10 20:43:12,165 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 485 transitions. [2021-06-10 20:43:12,165 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 485 transitions. [2021-06-10 20:43:12,165 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 20:43:12,165 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 485 transitions. [2021-06-10 20:43:12,166 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 161.66666666666666) internal successors, (485), 3 states have internal predecessors, (485), 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) [2021-06-10 20:43:12,168 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 192.0) internal successors, (768), 4 states have internal predecessors, (768), 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) [2021-06-10 20:43:12,168 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 192.0) internal successors, (768), 4 states have internal predecessors, (768), 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) [2021-06-10 20:43:12,168 INFO L185 Difference]: Start difference. First operand has 41 places, 32 transitions, 155 flow. Second operand 3 states and 485 transitions. [2021-06-10 20:43:12,168 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 34 transitions, 178 flow [2021-06-10 20:43:12,170 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 34 transitions, 174 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-06-10 20:43:12,171 INFO L241 Difference]: Finished difference. Result has 43 places, 32 transitions, 159 flow [2021-06-10 20:43:12,171 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=192, PETRI_DIFFERENCE_MINUEND_FLOW=151, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=159, PETRI_PLACES=43, PETRI_TRANSITIONS=32} [2021-06-10 20:43:12,171 INFO L343 CegarLoopForPetriNet]: 35 programPoint places, 8 predicate places. [2021-06-10 20:43:12,172 INFO L480 AbstractCegarLoop]: Abstraction has has 43 places, 32 transitions, 159 flow [2021-06-10 20:43:12,172 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 160.66666666666666) internal successors, (482), 3 states have internal predecessors, (482), 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) [2021-06-10 20:43:12,172 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 20:43:12,172 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 20:43:12,172 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-06-10 20:43:12,172 INFO L428 AbstractCegarLoop]: === Iteration 6 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-10 20:43:12,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 20:43:12,173 INFO L82 PathProgramCache]: Analyzing trace with hash 435637281, now seen corresponding path program 1 times [2021-06-10 20:43:12,173 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 20:43:12,173 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033018611] [2021-06-10 20:43:12,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 20:43:12,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 20:43:12,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:43:12,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 20:43:12,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:43:12,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 20:43:12,258 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-06-10 20:43:12,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 20:43:12,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:43:12,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:43:12,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 20:43:12,267 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033018611] [2021-06-10 20:43:12,267 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 20:43:12,267 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-10 20:43:12,267 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810110000] [2021-06-10 20:43:12,267 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-10 20:43:12,267 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 20:43:12,268 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-10 20:43:12,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-10 20:43:12,269 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 150 out of 192 [2021-06-10 20:43:12,269 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 32 transitions, 159 flow. Second operand has 5 states, 5 states have (on average 150.8) internal successors, (754), 5 states have internal predecessors, (754), 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) [2021-06-10 20:43:12,270 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 20:43:12,270 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 150 of 192 [2021-06-10 20:43:12,270 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 20:43:12,366 INFO L129 PetriNetUnfolder]: 98/296 cut-off events. [2021-06-10 20:43:12,366 INFO L130 PetriNetUnfolder]: For 484/990 co-relation queries the response was YES. [2021-06-10 20:43:12,367 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1065 conditions, 296 events. 98/296 cut-off events. For 484/990 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 1869 event pairs, 15 based on Foata normal form. 145/413 useless extension candidates. Maximal degree in co-relation 1047. Up to 200 conditions per place. [2021-06-10 20:43:12,368 INFO L132 encePairwiseOnDemand]: 186/192 looper letters, 5 selfloop transitions, 15 changer transitions 5/42 dead transitions. [2021-06-10 20:43:12,368 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 42 transitions, 263 flow [2021-06-10 20:43:12,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-10 20:43:12,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-06-10 20:43:12,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1075 transitions. [2021-06-10 20:43:12,371 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7998511904761905 [2021-06-10 20:43:12,371 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1075 transitions. [2021-06-10 20:43:12,371 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1075 transitions. [2021-06-10 20:43:12,372 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 20:43:12,372 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1075 transitions. [2021-06-10 20:43:12,375 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 153.57142857142858) internal successors, (1075), 7 states have internal predecessors, (1075), 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) [2021-06-10 20:43:12,377 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 192.0) internal successors, (1536), 8 states have internal predecessors, (1536), 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) [2021-06-10 20:43:12,378 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 192.0) internal successors, (1536), 8 states have internal predecessors, (1536), 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) [2021-06-10 20:43:12,378 INFO L185 Difference]: Start difference. First operand has 43 places, 32 transitions, 159 flow. Second operand 7 states and 1075 transitions. [2021-06-10 20:43:12,378 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 42 transitions, 263 flow [2021-06-10 20:43:12,381 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 42 transitions, 260 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-06-10 20:43:12,383 INFO L241 Difference]: Finished difference. Result has 51 places, 37 transitions, 243 flow [2021-06-10 20:43:12,383 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=192, PETRI_DIFFERENCE_MINUEND_FLOW=156, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=243, PETRI_PLACES=51, PETRI_TRANSITIONS=37} [2021-06-10 20:43:12,383 INFO L343 CegarLoopForPetriNet]: 35 programPoint places, 16 predicate places. [2021-06-10 20:43:12,383 INFO L480 AbstractCegarLoop]: Abstraction has has 51 places, 37 transitions, 243 flow [2021-06-10 20:43:12,383 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 150.8) internal successors, (754), 5 states have internal predecessors, (754), 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) [2021-06-10 20:43:12,383 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 20:43:12,384 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 20:43:12,384 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-06-10 20:43:12,384 INFO L428 AbstractCegarLoop]: === Iteration 7 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-10 20:43:12,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 20:43:12,384 INFO L82 PathProgramCache]: Analyzing trace with hash -1041037750, now seen corresponding path program 1 times [2021-06-10 20:43:12,384 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 20:43:12,384 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246221440] [2021-06-10 20:43:12,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 20:43:12,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 20:43:12,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:43:12,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 20:43:12,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:43:12,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 20:43:12,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:43:12,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 20:43:12,485 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-06-10 20:43:12,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 20:43:12,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:43:12,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:43:12,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 20:43:12,495 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246221440] [2021-06-10 20:43:12,495 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 20:43:12,495 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-10 20:43:12,496 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503241208] [2021-06-10 20:43:12,496 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-10 20:43:12,496 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 20:43:12,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-10 20:43:12,496 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-06-10 20:43:12,497 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 150 out of 192 [2021-06-10 20:43:12,498 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 37 transitions, 243 flow. Second operand has 6 states, 6 states have (on average 150.83333333333334) internal successors, (905), 6 states have internal predecessors, (905), 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) [2021-06-10 20:43:12,498 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 20:43:12,498 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 150 of 192 [2021-06-10 20:43:12,498 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 20:43:12,625 INFO L129 PetriNetUnfolder]: 63/224 cut-off events. [2021-06-10 20:43:12,625 INFO L130 PetriNetUnfolder]: For 1248/2434 co-relation queries the response was YES. [2021-06-10 20:43:12,626 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1085 conditions, 224 events. 63/224 cut-off events. For 1248/2434 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 1382 event pairs, 6 based on Foata normal form. 156/357 useless extension candidates. Maximal degree in co-relation 1063. Up to 162 conditions per place. [2021-06-10 20:43:12,627 INFO L132 encePairwiseOnDemand]: 186/192 looper letters, 2 selfloop transitions, 19 changer transitions 5/41 dead transitions. [2021-06-10 20:43:12,627 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 41 transitions, 321 flow [2021-06-10 20:43:12,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-10 20:43:12,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-06-10 20:43:12,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1376 transitions. [2021-06-10 20:43:12,630 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7962962962962963 [2021-06-10 20:43:12,630 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1376 transitions. [2021-06-10 20:43:12,630 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1376 transitions. [2021-06-10 20:43:12,631 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 20:43:12,631 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1376 transitions. [2021-06-10 20:43:12,633 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 152.88888888888889) internal successors, (1376), 9 states have internal predecessors, (1376), 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) [2021-06-10 20:43:12,636 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 192.0) internal successors, (1920), 10 states have internal predecessors, (1920), 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) [2021-06-10 20:43:12,636 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 192.0) internal successors, (1920), 10 states have internal predecessors, (1920), 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) [2021-06-10 20:43:12,636 INFO L185 Difference]: Start difference. First operand has 51 places, 37 transitions, 243 flow. Second operand 9 states and 1376 transitions. [2021-06-10 20:43:12,636 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 41 transitions, 321 flow [2021-06-10 20:43:12,640 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 41 transitions, 278 flow, removed 15 selfloop flow, removed 4 redundant places. [2021-06-10 20:43:12,641 INFO L241 Difference]: Finished difference. Result has 58 places, 36 transitions, 249 flow [2021-06-10 20:43:12,641 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=192, PETRI_DIFFERENCE_MINUEND_FLOW=200, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=249, PETRI_PLACES=58, PETRI_TRANSITIONS=36} [2021-06-10 20:43:12,641 INFO L343 CegarLoopForPetriNet]: 35 programPoint places, 23 predicate places. [2021-06-10 20:43:12,641 INFO L480 AbstractCegarLoop]: Abstraction has has 58 places, 36 transitions, 249 flow [2021-06-10 20:43:12,641 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 150.83333333333334) internal successors, (905), 6 states have internal predecessors, (905), 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) [2021-06-10 20:43:12,641 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 20:43:12,642 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 20:43:12,642 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-06-10 20:43:12,642 INFO L428 AbstractCegarLoop]: === Iteration 8 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-10 20:43:12,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 20:43:12,642 INFO L82 PathProgramCache]: Analyzing trace with hash -933999068, now seen corresponding path program 1 times [2021-06-10 20:43:12,642 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 20:43:12,642 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036247170] [2021-06-10 20:43:12,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 20:43:12,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 20:43:12,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:43:12,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:43:12,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:43:12,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 20:43:12,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:43:12,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 20:43:12,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 20:43:12,695 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036247170] [2021-06-10 20:43:12,695 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 20:43:12,696 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-10 20:43:12,696 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207354669] [2021-06-10 20:43:12,696 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-10 20:43:12,696 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 20:43:12,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-10 20:43:12,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-10 20:43:12,697 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 154 out of 192 [2021-06-10 20:43:12,698 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 36 transitions, 249 flow. Second operand has 4 states, 4 states have (on average 155.0) internal successors, (620), 4 states have internal predecessors, (620), 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) [2021-06-10 20:43:12,698 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 20:43:12,698 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 192 [2021-06-10 20:43:12,698 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 20:43:12,724 INFO L129 PetriNetUnfolder]: 30/119 cut-off events. [2021-06-10 20:43:12,724 INFO L130 PetriNetUnfolder]: For 395/452 co-relation queries the response was YES. [2021-06-10 20:43:12,725 INFO L84 FinitePrefix]: Finished finitePrefix Result has 477 conditions, 119 events. 30/119 cut-off events. For 395/452 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 558 event pairs, 2 based on Foata normal form. 2/111 useless extension candidates. Maximal degree in co-relation 453. Up to 40 conditions per place. [2021-06-10 20:43:12,725 INFO L132 encePairwiseOnDemand]: 189/192 looper letters, 3 selfloop transitions, 1 changer transitions 10/37 dead transitions. [2021-06-10 20:43:12,725 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 37 transitions, 263 flow [2021-06-10 20:43:12,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-10 20:43:12,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-06-10 20:43:12,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 622 transitions. [2021-06-10 20:43:12,727 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8098958333333334 [2021-06-10 20:43:12,727 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 622 transitions. [2021-06-10 20:43:12,727 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 622 transitions. [2021-06-10 20:43:12,728 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 20:43:12,728 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 622 transitions. [2021-06-10 20:43:12,729 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 155.5) internal successors, (622), 4 states have internal predecessors, (622), 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) [2021-06-10 20:43:12,730 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 192.0) internal successors, (960), 5 states have internal predecessors, (960), 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) [2021-06-10 20:43:12,730 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 192.0) internal successors, (960), 5 states have internal predecessors, (960), 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) [2021-06-10 20:43:12,730 INFO L185 Difference]: Start difference. First operand has 58 places, 36 transitions, 249 flow. Second operand 4 states and 622 transitions. [2021-06-10 20:43:12,730 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 37 transitions, 263 flow [2021-06-10 20:43:12,732 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 37 transitions, 191 flow, removed 16 selfloop flow, removed 11 redundant places. [2021-06-10 20:43:12,733 INFO L241 Difference]: Finished difference. Result has 50 places, 27 transitions, 121 flow [2021-06-10 20:43:12,733 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=192, PETRI_DIFFERENCE_MINUEND_FLOW=177, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=121, PETRI_PLACES=50, PETRI_TRANSITIONS=27} [2021-06-10 20:43:12,733 INFO L343 CegarLoopForPetriNet]: 35 programPoint places, 15 predicate places. [2021-06-10 20:43:12,733 INFO L480 AbstractCegarLoop]: Abstraction has has 50 places, 27 transitions, 121 flow [2021-06-10 20:43:12,734 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 155.0) internal successors, (620), 4 states have internal predecessors, (620), 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) [2021-06-10 20:43:12,734 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 20:43:12,734 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 20:43:12,734 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-06-10 20:43:12,734 INFO L428 AbstractCegarLoop]: === Iteration 9 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-10 20:43:12,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 20:43:12,734 INFO L82 PathProgramCache]: Analyzing trace with hash -543211206, now seen corresponding path program 2 times [2021-06-10 20:43:12,734 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 20:43:12,735 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998940823] [2021-06-10 20:43:12,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 20:43:12,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-10 20:43:12,788 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-10 20:43:12,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-10 20:43:12,866 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-10 20:43:12,902 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-06-10 20:43:12,903 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-06-10 20:43:12,903 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-06-10 20:43:12,995 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.06 08:43:12 BasicIcfg [2021-06-10 20:43:12,995 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-10 20:43:12,996 INFO L168 Benchmark]: Toolchain (without parser) took 11106.83 ms. Allocated memory was 346.0 MB in the beginning and 587.2 MB in the end (delta: 241.2 MB). Free memory was 308.3 MB in the beginning and 449.6 MB in the end (delta: -141.3 MB). Peak memory consumption was 101.6 MB. Max. memory is 16.0 GB. [2021-06-10 20:43:12,996 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 346.0 MB. Free memory is still 326.3 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-06-10 20:43:12,996 INFO L168 Benchmark]: CACSL2BoogieTranslator took 599.20 ms. Allocated memory is still 346.0 MB. Free memory was 308.0 MB in the beginning and 303.7 MB in the end (delta: 4.3 MB). Peak memory consumption was 7.2 MB. Max. memory is 16.0 GB. [2021-06-10 20:43:12,998 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.63 ms. Allocated memory is still 346.0 MB. Free memory was 303.7 MB in the beginning and 300.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-06-10 20:43:12,998 INFO L168 Benchmark]: Boogie Preprocessor took 50.98 ms. Allocated memory is still 346.0 MB. Free memory was 300.6 MB in the beginning and 298.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-10 20:43:12,999 INFO L168 Benchmark]: RCFGBuilder took 2064.87 ms. Allocated memory is still 346.0 MB. Free memory was 298.5 MB in the beginning and 170.4 MB in the end (delta: 128.1 MB). Peak memory consumption was 133.4 MB. Max. memory is 16.0 GB. [2021-06-10 20:43:12,999 INFO L168 Benchmark]: TraceAbstraction took 8339.34 ms. Allocated memory was 346.0 MB in the beginning and 587.2 MB in the end (delta: 241.2 MB). Free memory was 169.3 MB in the beginning and 449.6 MB in the end (delta: -280.2 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-10 20:43:13,004 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 346.0 MB. Free memory is still 326.3 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 599.20 ms. Allocated memory is still 346.0 MB. Free memory was 308.0 MB in the beginning and 303.7 MB in the end (delta: 4.3 MB). Peak memory consumption was 7.2 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 45.63 ms. Allocated memory is still 346.0 MB. Free memory was 303.7 MB in the beginning and 300.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 50.98 ms. Allocated memory is still 346.0 MB. Free memory was 300.6 MB in the beginning and 298.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 2064.87 ms. Allocated memory is still 346.0 MB. Free memory was 298.5 MB in the beginning and 170.4 MB in the end (delta: 128.1 MB). Peak memory consumption was 133.4 MB. Max. memory is 16.0 GB. * TraceAbstraction took 8339.34 ms. Allocated memory was 346.0 MB in the beginning and 587.2 MB in the end (delta: 241.2 MB). Free memory was 169.3 MB in the beginning and 449.6 MB in the end (delta: -280.2 MB). There was no memory consumed. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6258.7ms, 105 PlacesBefore, 35 PlacesAfterwards, 97 TransitionsBefore, 26 TransitionsAfterwards, 1658 CoEnabledTransitionPairs, 8 FixpointIterations, 38 TrivialSequentialCompositions, 50 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 3 ConcurrentYvCompositions, 1 ChoiceCompositions, 92 TotalNumberOfCompositions, 4790 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2322, positive: 2156, positive conditional: 0, positive unconditional: 2156, negative: 166, negative conditional: 0, negative unconditional: 166, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1214, positive: 1157, positive conditional: 0, positive unconditional: 1157, negative: 57, negative conditional: 0, negative unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1214, positive: 1157, positive conditional: 0, positive unconditional: 1157, negative: 57, negative conditional: 0, negative unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1214, positive: 1134, positive conditional: 0, positive unconditional: 1134, negative: 80, negative conditional: 0, negative unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 80, positive: 23, positive conditional: 0, positive unconditional: 23, negative: 57, negative conditional: 0, negative unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 821, positive: 80, positive conditional: 0, positive unconditional: 80, negative: 742, negative conditional: 0, negative unconditional: 742, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2322, positive: 999, positive conditional: 0, positive unconditional: 999, negative: 109, negative conditional: 0, negative unconditional: 109, unknown: 1214, unknown conditional: 0, unknown unconditional: 1214] , Statistics on independence cache: Total cache size (in pairs): 2098, Positive cache size: 2046, Positive conditional cache size: 0, Positive unconditional cache size: 2046, Negative cache size: 52, Negative conditional cache size: 0, Negative unconditional cache size: 52 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L709] 0 int __unbuffered_cnt = 0; [L711] 0 int __unbuffered_p1_EAX = 0; [L713] 0 int __unbuffered_p1_EBX = 0; [L715] 0 int __unbuffered_p2_EAX = 0; [L717] 0 int __unbuffered_p2_EBX = 0; [L718] 0 _Bool main$tmp_guard0; [L719] 0 _Bool main$tmp_guard1; [L721] 0 int x = 0; [L723] 0 int y = 0; [L724] 0 _Bool y$flush_delayed; [L725] 0 int y$mem_tmp; [L726] 0 _Bool y$r_buff0_thd0; [L727] 0 _Bool y$r_buff0_thd1; [L728] 0 _Bool y$r_buff0_thd2; [L729] 0 _Bool y$r_buff0_thd3; [L730] 0 _Bool y$r_buff1_thd0; [L731] 0 _Bool y$r_buff1_thd1; [L732] 0 _Bool y$r_buff1_thd2; [L733] 0 _Bool y$r_buff1_thd3; [L734] 0 _Bool y$read_delayed; [L735] 0 int *y$read_delayed_var; [L736] 0 int y$w_buff0; [L737] 0 _Bool y$w_buff0_used; [L738] 0 int y$w_buff1; [L739] 0 _Bool y$w_buff1_used; [L741] 0 int z = 0; [L742] 0 _Bool weak$$choice0; [L743] 0 _Bool weak$$choice2; [L846] 0 pthread_t t162; [L847] FCALL, FORK 0 pthread_create(&t162, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L848] 0 pthread_t t163; [L849] FCALL, FORK 0 pthread_create(&t163, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L850] 0 pthread_t t164; [L851] FCALL, FORK 0 pthread_create(&t164, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L793] 3 y$w_buff1 = y$w_buff0 [L794] 3 y$w_buff0 = 1 [L795] 3 y$w_buff1_used = y$w_buff0_used [L796] 3 y$w_buff0_used = (_Bool)1 [L18] COND FALSE 3 !(!expression) [L798] 3 y$r_buff1_thd0 = y$r_buff0_thd0 [L799] 3 y$r_buff1_thd1 = y$r_buff0_thd1 [L800] 3 y$r_buff1_thd2 = y$r_buff0_thd2 [L801] 3 y$r_buff1_thd3 = y$r_buff0_thd3 [L802] 3 y$r_buff0_thd3 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L805] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L806] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L807] 3 y$flush_delayed = weak$$choice2 [L808] 3 y$mem_tmp = y [L809] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff1) [L809] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff1 [L809] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff1) [L809] 3 y = !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff1) [L810] EXPR 3 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0)) [L810] 3 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0)) [L811] EXPR 3 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1)) [L811] 3 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1)) [L812] EXPR 3 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used)) [L812] 3 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used)) [L813] EXPR 3 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L813] 3 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L814] EXPR 3 weak$$choice2 ? y$r_buff0_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff0_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3)) [L814] 3 y$r_buff0_thd3 = weak$$choice2 ? y$r_buff0_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff0_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3)) [L815] EXPR 3 weak$$choice2 ? y$r_buff1_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff1_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L815] 3 y$r_buff1_thd3 = weak$$choice2 ? y$r_buff1_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff1_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L816] 3 __unbuffered_p2_EAX = y [L817] EXPR 3 y$flush_delayed ? y$mem_tmp : y [L817] 3 y = y$flush_delayed ? y$mem_tmp : y [L818] 3 y$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L821] 3 __unbuffered_p2_EBX = z VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L747] 1 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L750] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L762] 2 x = 2 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L765] 2 __unbuffered_p1_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L768] 2 weak$$choice0 = __VERIFIER_nondet_bool() [L769] 2 weak$$choice2 = __VERIFIER_nondet_bool() [L770] 2 y$flush_delayed = weak$$choice2 [L771] 2 y$mem_tmp = y [L772] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L772] 2 y = !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L773] EXPR 2 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L773] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0) [L773] EXPR 2 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L773] 2 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L774] EXPR 2 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L774] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1) [L774] EXPR 2 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L774] 2 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L775] EXPR 2 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L775] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used) [L775] EXPR 2 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L775] 2 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L776] EXPR 2 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L776] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0) [L776] EXPR 2 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L776] 2 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L777] EXPR 2 weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L777] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2) [L777] EXPR 2 weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L777] 2 y$r_buff0_thd2 = weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L778] EXPR 2 weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L778] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0) [L778] EXPR 2 weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L778] 2 y$r_buff1_thd2 = weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L779] 2 __unbuffered_p1_EBX = y [L780] EXPR 2 y$flush_delayed ? y$mem_tmp : y [L780] 2 y = y$flush_delayed ? y$mem_tmp : y [L781] 2 y$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=51, weak$$choice2=0, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L755] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L757] 1 return 0; [L824] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L824] 3 y = y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L825] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L825] 3 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L826] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L826] 3 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L827] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L827] 3 y$r_buff0_thd3 = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L828] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L828] 3 y$r_buff1_thd3 = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L786] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L788] 2 return 0; [L831] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L833] 3 return 0; [L853] 0 main$tmp_guard0 = __unbuffered_cnt == 3 [L3] COND FALSE 0 !(!cond) [L857] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L857] EXPR 0 y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y [L857] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L857] 0 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L858] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L858] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L859] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L859] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L860] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L860] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L861] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L861] 0 y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L864] 0 main$tmp_guard1 = !(x == 2 && __unbuffered_p1_EAX == 2 && __unbuffered_p1_EBX == 0 && __unbuffered_p2_EAX == 1 && __unbuffered_p2_EBX == 0) [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=51, weak$$choice2=0, x=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 99 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 4.0ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 8090.8ms, OverallIterations: 9, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 647.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 6402.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 34 SDtfs, 20 SDslu, 18 SDs, 0 SdLazy, 117 SolverSat, 30 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 162.1ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 104.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=249occurred in iteration=7, InterpolantAutomatonStates: 38, 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: 37.4ms SsaConstructionTime, 371.3ms SatisfiabilityAnalysisTime, 358.7ms InterpolantComputationTime, 131 NumberOfCodeBlocks, 131 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 102 ConstructedInterpolants, 0 QuantifiedInterpolants, 292 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...