/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/safe003_rmo.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-24 19:49:15,986 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-24 19:49:15,988 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-24 19:49:16,019 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-03-24 19:49:16,034 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-24 19:49:16,035 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-24 19:49:16,036 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-24 19:49:16,037 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-24 19:49:16,039 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-24 19:49:16,040 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-24 19:49:16,042 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-24 19:49:16,048 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-24 19:49:16,049 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-24 19:49:16,050 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-24 19:49:16,052 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-24 19:49:16,052 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-24 19:49:16,054 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-24 19:49:16,058 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-24 19:49:16,058 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-24 19:49:16,059 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-24 19:49:16,072 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 [2021-03-24 19:49:16,086 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-24 19:49:16,086 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-24 19:49:16,087 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-24 19:49:16,087 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-24 19:49:16,087 INFO L138 SettingsManager]: * Use SBE=true [2021-03-24 19:49:16,087 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-24 19:49:16,087 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-24 19:49:16,087 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-24 19:49:16,087 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-24 19:49:16,088 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-24 19:49:16,088 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-24 19:49:16,088 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-24 19:49:16,088 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-24 19:49:16,088 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-24 19:49:16,088 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-24 19:49:16,088 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-24 19:49:16,088 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-24 19:49:16,088 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-24 19:49:16,088 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-24 19:49:16,088 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-24 19:49:16,089 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-24 19:49:16,089 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-24 19:49:16,089 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-24 19:49:16,089 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-24 19:49:16,089 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-24 19:49:16,089 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-24 19:49:16,089 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-24 19:49:16,089 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-24 19:49:16,089 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-24 19:49:16,335 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-24 19:49:16,363 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-24 19:49:16,364 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-24 19:49:16,365 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-24 19:49:16,366 INFO L275 PluginConnector]: CDTParser initialized [2021-03-24 19:49:16,366 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe003_rmo.oepc.i [2021-03-24 19:49:16,411 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7699c2af2/e4fa50a0045e476c9819e6a683141e98/FLAG3d2f1a462 [2021-03-24 19:49:16,829 INFO L306 CDTParser]: Found 1 translation units. [2021-03-24 19:49:16,829 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe003_rmo.oepc.i [2021-03-24 19:49:16,847 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7699c2af2/e4fa50a0045e476c9819e6a683141e98/FLAG3d2f1a462 [2021-03-24 19:49:17,172 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7699c2af2/e4fa50a0045e476c9819e6a683141e98 [2021-03-24 19:49:17,174 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-24 19:49:17,181 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-24 19:49:17,182 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-24 19:49:17,182 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-24 19:49:17,191 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-24 19:49:17,192 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.03 07:49:17" (1/1) ... [2021-03-24 19:49:17,193 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b2443ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 07:49:17, skipping insertion in model container [2021-03-24 19:49:17,193 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.03 07:49:17" (1/1) ... [2021-03-24 19:49:17,197 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-24 19:49:17,229 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-24 19:49:17,325 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/safe003_rmo.oepc.i[950,963] [2021-03-24 19:49:17,505 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-24 19:49:17,516 INFO L203 MainTranslator]: Completed pre-run [2021-03-24 19:49:17,525 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/safe003_rmo.oepc.i[950,963] [2021-03-24 19:49:17,576 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-24 19:49:17,626 INFO L208 MainTranslator]: Completed translation [2021-03-24 19:49:17,626 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 07:49:17 WrapperNode [2021-03-24 19:49:17,627 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-24 19:49:17,627 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-24 19:49:17,627 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-24 19:49:17,628 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-24 19:49:17,633 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 07:49:17" (1/1) ... [2021-03-24 19:49:17,654 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 07:49:17" (1/1) ... [2021-03-24 19:49:17,685 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-24 19:49:17,686 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-24 19:49:17,686 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-24 19:49:17,686 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-24 19:49:17,691 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 07:49:17" (1/1) ... [2021-03-24 19:49:17,691 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 07:49:17" (1/1) ... [2021-03-24 19:49:17,694 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 07:49:17" (1/1) ... [2021-03-24 19:49:17,694 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 07:49:17" (1/1) ... [2021-03-24 19:49:17,717 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 07:49:17" (1/1) ... [2021-03-24 19:49:17,720 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 07:49:17" (1/1) ... [2021-03-24 19:49:17,723 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 07:49:17" (1/1) ... [2021-03-24 19:49:17,731 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-24 19:49:17,732 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-24 19:49:17,732 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-24 19:49:17,732 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-24 19:49:17,733 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 07:49:17" (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 [2021-03-24 19:49:17,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-24 19:49:17,818 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-24 19:49:17,818 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-24 19:49:17,819 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-24 19:49:17,819 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-03-24 19:49:17,819 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-03-24 19:49:17,820 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-03-24 19:49:17,820 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-03-24 19:49:17,820 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-03-24 19:49:17,820 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-03-24 19:49:17,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-24 19:49:17,821 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-24 19:49:17,821 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-24 19:49:17,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-24 19:49:17,822 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-24 19:49:19,773 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-24 19:49:19,773 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-03-24 19:49:19,775 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.03 07:49:19 BoogieIcfgContainer [2021-03-24 19:49:19,775 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-24 19:49:19,776 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-24 19:49:19,776 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-24 19:49:19,778 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-24 19:49:19,778 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.03 07:49:17" (1/3) ... [2021-03-24 19:49:19,778 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fb95ac9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.03 07:49:19, skipping insertion in model container [2021-03-24 19:49:19,778 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 07:49:17" (2/3) ... [2021-03-24 19:49:19,778 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fb95ac9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.03 07:49:19, skipping insertion in model container [2021-03-24 19:49:19,778 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.03 07:49:19" (3/3) ... [2021-03-24 19:49:19,779 INFO L111 eAbstractionObserver]: Analyzing ICFG safe003_rmo.oepc.i [2021-03-24 19:49:19,783 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-24 19:49:19,786 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-03-24 19:49:19,786 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-24 19:49:19,815 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,815 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,815 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,815 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,815 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,815 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,816 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,816 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,816 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,816 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,816 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,816 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,816 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,816 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,816 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,817 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,817 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,817 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,817 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,817 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,817 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,817 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,817 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,818 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,818 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,818 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,818 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,818 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,818 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,818 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,818 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,818 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,819 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,819 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,819 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,819 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,819 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,819 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,819 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,819 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,819 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,819 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,820 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,820 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,820 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,820 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,820 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,820 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,820 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,820 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,820 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,821 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,821 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,821 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,821 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,821 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,821 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,821 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,821 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,821 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,822 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,822 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,822 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,822 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,822 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,822 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,822 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,822 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,822 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,822 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,822 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,822 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,823 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,823 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,823 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,823 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,823 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,823 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,823 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,823 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,823 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,823 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,823 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,823 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,823 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,824 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,824 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,824 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,824 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,824 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,824 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,824 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,824 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,824 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,824 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,824 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,824 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,824 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,824 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,825 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,825 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,825 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,825 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,825 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,825 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,825 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,826 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,826 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,826 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,826 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,826 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,826 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,826 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,826 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,827 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,827 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,827 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,827 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,827 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,827 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,827 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,827 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,827 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,827 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,827 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,827 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,827 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,827 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,827 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,827 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,827 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,828 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,828 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,828 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,828 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,828 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,828 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,828 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,828 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,828 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,828 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,828 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,828 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,828 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,829 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,829 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,829 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,829 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,830 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,830 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,830 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,830 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,830 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,830 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,830 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,830 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,830 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,830 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,830 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,830 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,830 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,830 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,830 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,830 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,831 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,831 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,831 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,831 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,831 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,831 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,831 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,831 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,831 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,831 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,831 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,831 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,831 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,831 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,831 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,831 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,831 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,832 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,832 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,833 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,833 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,833 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,833 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,833 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,833 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,833 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,833 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,833 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,833 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,833 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,833 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,833 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,833 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,833 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,833 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,834 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,834 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,834 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,834 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,834 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,834 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,834 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,834 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,834 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,834 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,834 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,834 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,834 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,834 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,834 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,834 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,834 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,835 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,835 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,835 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,835 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,836 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,836 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,836 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,836 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,836 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,836 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,836 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,836 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,836 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,837 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,837 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,837 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,837 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,837 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,837 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,837 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,837 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,837 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,839 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,839 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,839 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,839 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,839 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,839 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,839 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,839 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,839 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,839 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,839 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,839 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,840 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,840 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,841 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,841 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,841 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,841 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,841 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,841 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,841 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,841 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,842 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,842 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,842 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,842 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,842 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,842 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,842 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,842 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,842 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,842 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,843 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,843 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,843 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,843 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,843 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,843 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,843 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,843 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,843 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,843 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,843 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,843 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,843 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,843 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,844 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,844 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,844 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,844 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,844 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,844 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,844 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,844 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,844 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,844 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,844 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,844 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,844 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,844 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,845 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,845 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,845 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,845 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,845 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,845 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,845 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,845 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,845 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,845 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,845 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,845 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,845 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,845 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,845 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,846 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,846 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,846 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:49:19,846 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-24 19:49:19,858 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-03-24 19:49:19,869 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-24 19:49:19,870 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-24 19:49:19,870 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-24 19:49:19,870 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-24 19:49:19,870 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-24 19:49:19,870 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-24 19:49:19,870 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-24 19:49:19,870 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-24 19:49:19,876 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 106 places, 98 transitions, 211 flow [2021-03-24 19:49:19,897 INFO L129 PetriNetUnfolder]: 2/95 cut-off events. [2021-03-24 19:49:19,898 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-24 19:49:19,900 INFO L84 FinitePrefix]: Finished finitePrefix Result has 105 conditions, 95 events. 2/95 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 66 event pairs, 0 based on Foata normal form. 0/91 useless extension candidates. Maximal degree in co-relation 61. Up to 2 conditions per place. [2021-03-24 19:49:19,900 INFO L82 GeneralOperation]: Start removeDead. Operand has 106 places, 98 transitions, 211 flow [2021-03-24 19:49:19,903 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 103 places, 95 transitions, 199 flow [2021-03-24 19:49:19,904 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-24 19:49:19,912 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 103 places, 95 transitions, 199 flow [2021-03-24 19:49:19,913 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 103 places, 95 transitions, 199 flow [2021-03-24 19:49:19,914 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 103 places, 95 transitions, 199 flow [2021-03-24 19:49:19,926 INFO L129 PetriNetUnfolder]: 2/95 cut-off events. [2021-03-24 19:49:19,926 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-24 19:49:19,926 INFO L84 FinitePrefix]: Finished finitePrefix Result has 105 conditions, 95 events. 2/95 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 71 event pairs, 0 based on Foata normal form. 0/91 useless extension candidates. Maximal degree in co-relation 61. Up to 2 conditions per place. [2021-03-24 19:49:19,928 INFO L142 LiptonReduction]: Number of co-enabled transitions 1694 [2021-03-24 19:49:21,132 WARN L205 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 188 [2021-03-24 19:49:21,370 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2021-03-24 19:49:22,565 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 312 DAG size of output: 268 [2021-03-24 19:49:23,105 WARN L205 SmtUtils]: Spent 538.00 ms on a formula simplification that was a NOOP. DAG size: 265 [2021-03-24 19:49:23,701 WARN L205 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 175 [2021-03-24 19:49:23,949 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2021-03-24 19:49:25,093 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 299 DAG size of output: 255 [2021-03-24 19:49:25,604 WARN L205 SmtUtils]: Spent 509.00 ms on a formula simplification that was a NOOP. DAG size: 252 [2021-03-24 19:49:25,896 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2021-03-24 19:49:26,284 WARN L205 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 87 [2021-03-24 19:49:26,416 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-03-24 19:49:27,537 WARN L205 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 187 [2021-03-24 19:49:27,798 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2021-03-24 19:49:28,407 WARN L205 SmtUtils]: Spent 607.00 ms on a formula simplification that was a NOOP. DAG size: 267 [2021-03-24 19:49:28,957 WARN L205 SmtUtils]: Spent 548.00 ms on a formula simplification that was a NOOP. DAG size: 267 [2021-03-24 19:49:29,116 INFO L154 LiptonReduction]: Checked pairs total: 3349 [2021-03-24 19:49:29,116 INFO L156 LiptonReduction]: Total number of compositions: 66 [2021-03-24 19:49:29,117 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 9214 [2021-03-24 19:49:29,127 INFO L129 PetriNetUnfolder]: 0/15 cut-off events. [2021-03-24 19:49:29,128 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-24 19:49:29,128 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:49:29,128 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 19:49:29,129 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:49:29,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:49:29,132 INFO L82 PathProgramCache]: Analyzing trace with hash 231868783, now seen corresponding path program 1 times [2021-03-24 19:49:29,137 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:49:29,137 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139992736] [2021-03-24 19:49:29,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:49:29,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 19:49:29,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:49:29,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:49:29,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:49:29,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:49:29,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 19:49:29,340 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2139992736] [2021-03-24 19:49:29,340 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 19:49:29,340 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-24 19:49:29,340 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648400443] [2021-03-24 19:49:29,346 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-24 19:49:29,347 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 19:49:29,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-24 19:49:29,356 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-24 19:49:29,357 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 136 out of 164 [2021-03-24 19:49:29,361 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 40 transitions, 89 flow. Second operand has 3 states, 3 states have (on average 136.66666666666666) internal successors, (410), 3 states have internal predecessors, (410), 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) [2021-03-24 19:49:29,362 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 19:49:29,362 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 136 of 164 [2021-03-24 19:49:29,362 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 19:49:29,501 INFO L129 PetriNetUnfolder]: 161/364 cut-off events. [2021-03-24 19:49:29,502 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-24 19:49:29,503 INFO L84 FinitePrefix]: Finished finitePrefix Result has 632 conditions, 364 events. 161/364 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 2040 event pairs, 33 based on Foata normal form. 22/357 useless extension candidates. Maximal degree in co-relation 610. Up to 193 conditions per place. [2021-03-24 19:49:29,505 INFO L132 encePairwiseOnDemand]: 160/164 looper letters, 13 selfloop transitions, 2 changer transitions 3/44 dead transitions. [2021-03-24 19:49:29,505 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 44 transitions, 131 flow [2021-03-24 19:49:29,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-24 19:49:29,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-24 19:49:29,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 428 transitions. [2021-03-24 19:49:29,519 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8699186991869918 [2021-03-24 19:49:29,519 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 428 transitions. [2021-03-24 19:49:29,520 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 428 transitions. [2021-03-24 19:49:29,522 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 19:49:29,524 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 428 transitions. [2021-03-24 19:49:29,527 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 142.66666666666666) internal successors, (428), 3 states have internal predecessors, (428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:49:29,537 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 164.0) internal successors, (656), 4 states have internal predecessors, (656), 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) [2021-03-24 19:49:29,537 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 164.0) internal successors, (656), 4 states have internal predecessors, (656), 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) [2021-03-24 19:49:29,539 INFO L185 Difference]: Start difference. First operand has 49 places, 40 transitions, 89 flow. Second operand 3 states and 428 transitions. [2021-03-24 19:49:29,539 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 44 transitions, 131 flow [2021-03-24 19:49:29,541 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 44 transitions, 128 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-03-24 19:49:29,542 INFO L241 Difference]: Finished difference. Result has 46 places, 35 transitions, 80 flow [2021-03-24 19:49:29,543 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=80, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=80, PETRI_PLACES=46, PETRI_TRANSITIONS=35} [2021-03-24 19:49:29,544 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, -3 predicate places. [2021-03-24 19:49:29,544 INFO L480 AbstractCegarLoop]: Abstraction has has 46 places, 35 transitions, 80 flow [2021-03-24 19:49:29,544 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 136.66666666666666) internal successors, (410), 3 states have internal predecessors, (410), 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) [2021-03-24 19:49:29,544 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:49:29,545 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, 1] [2021-03-24 19:49:29,545 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-24 19:49:29,545 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:49:29,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:49:29,546 INFO L82 PathProgramCache]: Analyzing trace with hash -471362213, now seen corresponding path program 1 times [2021-03-24 19:49:29,546 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:49:29,546 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508102528] [2021-03-24 19:49:29,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:49:29,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 19:49:29,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:49:29,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:49:29,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:49:29,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:49:29,674 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 19:49:29,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 19:49:29,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 19:49:29,678 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508102528] [2021-03-24 19:49:29,678 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 19:49:29,678 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-24 19:49:29,678 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334353867] [2021-03-24 19:49:29,679 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-24 19:49:29,679 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 19:49:29,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-24 19:49:29,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-24 19:49:29,684 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 142 out of 164 [2021-03-24 19:49:29,685 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 35 transitions, 80 flow. Second operand has 4 states, 4 states have (on average 142.75) internal successors, (571), 4 states have internal predecessors, (571), 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) [2021-03-24 19:49:29,685 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 19:49:29,685 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 142 of 164 [2021-03-24 19:49:29,685 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 19:49:29,705 INFO L129 PetriNetUnfolder]: 0/40 cut-off events. [2021-03-24 19:49:29,705 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-24 19:49:29,706 INFO L84 FinitePrefix]: Finished finitePrefix Result has 57 conditions, 40 events. 0/40 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 45 event pairs, 0 based on Foata normal form. 2/41 useless extension candidates. Maximal degree in co-relation 0. Up to 4 conditions per place. [2021-03-24 19:49:29,706 INFO L132 encePairwiseOnDemand]: 160/164 looper letters, 2 selfloop transitions, 2 changer transitions 3/37 dead transitions. [2021-03-24 19:49:29,706 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 37 transitions, 96 flow [2021-03-24 19:49:29,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-24 19:49:29,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-24 19:49:29,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 718 transitions. [2021-03-24 19:49:29,708 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.875609756097561 [2021-03-24 19:49:29,708 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 718 transitions. [2021-03-24 19:49:29,708 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 718 transitions. [2021-03-24 19:49:29,708 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 19:49:29,708 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 718 transitions. [2021-03-24 19:49:29,709 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 143.6) internal successors, (718), 5 states have internal predecessors, (718), 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) [2021-03-24 19:49:29,711 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 164.0) internal successors, (984), 6 states have internal predecessors, (984), 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) [2021-03-24 19:49:29,711 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 164.0) internal successors, (984), 6 states have internal predecessors, (984), 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) [2021-03-24 19:49:29,711 INFO L185 Difference]: Start difference. First operand has 46 places, 35 transitions, 80 flow. Second operand 5 states and 718 transitions. [2021-03-24 19:49:29,711 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 37 transitions, 96 flow [2021-03-24 19:49:29,712 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 37 transitions, 92 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-24 19:49:29,712 INFO L241 Difference]: Finished difference. Result has 49 places, 34 transitions, 86 flow [2021-03-24 19:49:29,713 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=76, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=86, PETRI_PLACES=49, PETRI_TRANSITIONS=34} [2021-03-24 19:49:29,713 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 0 predicate places. [2021-03-24 19:49:29,713 INFO L480 AbstractCegarLoop]: Abstraction has has 49 places, 34 transitions, 86 flow [2021-03-24 19:49:29,713 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 142.75) internal successors, (571), 4 states have internal predecessors, (571), 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) [2021-03-24 19:49:29,713 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:49:29,714 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, 1, 1] [2021-03-24 19:49:29,714 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-24 19:49:29,714 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:49:29,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:49:29,714 INFO L82 PathProgramCache]: Analyzing trace with hash -1727330154, now seen corresponding path program 1 times [2021-03-24 19:49:29,714 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:49:29,714 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574430271] [2021-03-24 19:49:29,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:49:29,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 19:49:29,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:49:29,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:49:29,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:49:29,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:49:29,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:49:29,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 19:49:29,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:49:29,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 19:49:29,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:49:29,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 19:49:29,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:49:29,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 19:49:29,841 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 19:49:29,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 19:49:29,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 19:49:29,849 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574430271] [2021-03-24 19:49:29,849 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 19:49:29,849 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-24 19:49:29,849 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439793166] [2021-03-24 19:49:29,850 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 19:49:29,850 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 19:49:29,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 19:49:29,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-24 19:49:29,852 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 122 out of 164 [2021-03-24 19:49:29,852 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 34 transitions, 86 flow. Second operand has 7 states, 7 states have (on average 123.0) internal successors, (861), 7 states have internal predecessors, (861), 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) [2021-03-24 19:49:29,853 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 19:49:29,853 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 122 of 164 [2021-03-24 19:49:29,853 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 19:49:30,061 INFO L129 PetriNetUnfolder]: 302/561 cut-off events. [2021-03-24 19:49:30,061 INFO L130 PetriNetUnfolder]: For 167/167 co-relation queries the response was YES. [2021-03-24 19:49:30,064 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1161 conditions, 561 events. 302/561 cut-off events. For 167/167 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 2691 event pairs, 43 based on Foata normal form. 39/596 useless extension candidates. Maximal degree in co-relation 1134. Up to 368 conditions per place. [2021-03-24 19:49:30,068 INFO L132 encePairwiseOnDemand]: 152/164 looper letters, 15 selfloop transitions, 11 changer transitions 19/65 dead transitions. [2021-03-24 19:49:30,068 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 65 transitions, 242 flow [2021-03-24 19:49:30,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-24 19:49:30,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-24 19:49:30,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1146 transitions. [2021-03-24 19:49:30,070 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7764227642276422 [2021-03-24 19:49:30,070 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1146 transitions. [2021-03-24 19:49:30,070 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1146 transitions. [2021-03-24 19:49:30,071 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 19:49:30,071 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1146 transitions. [2021-03-24 19:49:30,073 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 127.33333333333333) internal successors, (1146), 9 states have internal predecessors, (1146), 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) [2021-03-24 19:49:30,074 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 164.0) internal successors, (1640), 10 states have internal predecessors, (1640), 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) [2021-03-24 19:49:30,075 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 164.0) internal successors, (1640), 10 states have internal predecessors, (1640), 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) [2021-03-24 19:49:30,075 INFO L185 Difference]: Start difference. First operand has 49 places, 34 transitions, 86 flow. Second operand 9 states and 1146 transitions. [2021-03-24 19:49:30,075 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 65 transitions, 242 flow [2021-03-24 19:49:30,078 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 65 transitions, 234 flow, removed 2 selfloop flow, removed 4 redundant places. [2021-03-24 19:49:30,079 INFO L241 Difference]: Finished difference. Result has 55 places, 41 transitions, 157 flow [2021-03-24 19:49:30,079 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=78, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=157, PETRI_PLACES=55, PETRI_TRANSITIONS=41} [2021-03-24 19:49:30,079 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 6 predicate places. [2021-03-24 19:49:30,079 INFO L480 AbstractCegarLoop]: Abstraction has has 55 places, 41 transitions, 157 flow [2021-03-24 19:49:30,080 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 123.0) internal successors, (861), 7 states have internal predecessors, (861), 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) [2021-03-24 19:49:30,080 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:49:30,080 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, 1, 1, 1] [2021-03-24 19:49:30,080 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-24 19:49:30,080 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:49:30,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:49:30,081 INFO L82 PathProgramCache]: Analyzing trace with hash -382791724, now seen corresponding path program 1 times [2021-03-24 19:49:30,081 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:49:30,081 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584666276] [2021-03-24 19:49:30,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:49:30,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 19:49:30,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:49:30,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:49:30,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:49:30,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:49:30,144 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 19:49:30,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 19:49:30,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 19:49:30,146 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584666276] [2021-03-24 19:49:30,146 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 19:49:30,146 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-24 19:49:30,147 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938285069] [2021-03-24 19:49:30,147 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-24 19:49:30,147 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 19:49:30,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-24 19:49:30,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-24 19:49:30,148 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 143 out of 164 [2021-03-24 19:49:30,148 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 41 transitions, 157 flow. Second operand has 4 states, 4 states have (on average 143.75) internal successors, (575), 4 states have internal predecessors, (575), 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) [2021-03-24 19:49:30,149 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 19:49:30,149 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 143 of 164 [2021-03-24 19:49:30,149 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 19:49:30,188 INFO L129 PetriNetUnfolder]: 55/178 cut-off events. [2021-03-24 19:49:30,189 INFO L130 PetriNetUnfolder]: For 306/330 co-relation queries the response was YES. [2021-03-24 19:49:30,189 INFO L84 FinitePrefix]: Finished finitePrefix Result has 517 conditions, 178 events. 55/178 cut-off events. For 306/330 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 818 event pairs, 35 based on Foata normal form. 16/190 useless extension candidates. Maximal degree in co-relation 486. Up to 97 conditions per place. [2021-03-24 19:49:30,190 INFO L132 encePairwiseOnDemand]: 160/164 looper letters, 2 selfloop transitions, 3 changer transitions 2/43 dead transitions. [2021-03-24 19:49:30,190 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 43 transitions, 185 flow [2021-03-24 19:49:30,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-24 19:49:30,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-24 19:49:30,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 723 transitions. [2021-03-24 19:49:30,191 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8817073170731707 [2021-03-24 19:49:30,191 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 723 transitions. [2021-03-24 19:49:30,192 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 723 transitions. [2021-03-24 19:49:30,192 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 19:49:30,192 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 723 transitions. [2021-03-24 19:49:30,193 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 144.6) internal successors, (723), 5 states have internal predecessors, (723), 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) [2021-03-24 19:49:30,194 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 164.0) internal successors, (984), 6 states have internal predecessors, (984), 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) [2021-03-24 19:49:30,195 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 164.0) internal successors, (984), 6 states have internal predecessors, (984), 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) [2021-03-24 19:49:30,195 INFO L185 Difference]: Start difference. First operand has 55 places, 41 transitions, 157 flow. Second operand 5 states and 723 transitions. [2021-03-24 19:49:30,195 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 43 transitions, 185 flow [2021-03-24 19:49:30,197 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 43 transitions, 179 flow, removed 1 selfloop flow, removed 3 redundant places. [2021-03-24 19:49:30,198 INFO L241 Difference]: Finished difference. Result has 56 places, 41 transitions, 166 flow [2021-03-24 19:49:30,198 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=151, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=166, PETRI_PLACES=56, PETRI_TRANSITIONS=41} [2021-03-24 19:49:30,198 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 7 predicate places. [2021-03-24 19:49:30,198 INFO L480 AbstractCegarLoop]: Abstraction has has 56 places, 41 transitions, 166 flow [2021-03-24 19:49:30,198 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 143.75) internal successors, (575), 4 states have internal predecessors, (575), 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) [2021-03-24 19:49:30,198 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:49:30,198 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, 1, 1, 1, 1] [2021-03-24 19:49:30,199 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-24 19:49:30,199 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:49:30,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:49:30,199 INFO L82 PathProgramCache]: Analyzing trace with hash 2141087223, now seen corresponding path program 1 times [2021-03-24 19:49:30,199 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:49:30,200 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372993311] [2021-03-24 19:49:30,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:49:30,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 19:49:30,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:49:30,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:49:30,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:49:30,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:49:30,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:49:30,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:49:30,264 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 19:49:30,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 19:49:30,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 19:49:30,267 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [372993311] [2021-03-24 19:49:30,267 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 19:49:30,267 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-24 19:49:30,268 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718837431] [2021-03-24 19:49:30,268 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-24 19:49:30,268 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 19:49:30,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-24 19:49:30,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-03-24 19:49:30,269 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 164 [2021-03-24 19:49:30,271 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 41 transitions, 166 flow. Second operand has 5 states, 5 states have (on average 140.0) internal successors, (700), 5 states have internal predecessors, (700), 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) [2021-03-24 19:49:30,271 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 19:49:30,271 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 164 [2021-03-24 19:49:30,271 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 19:49:30,364 INFO L129 PetriNetUnfolder]: 79/237 cut-off events. [2021-03-24 19:49:30,364 INFO L130 PetriNetUnfolder]: For 702/779 co-relation queries the response was YES. [2021-03-24 19:49:30,365 INFO L84 FinitePrefix]: Finished finitePrefix Result has 729 conditions, 237 events. 79/237 cut-off events. For 702/779 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 1236 event pairs, 51 based on Foata normal form. 23/251 useless extension candidates. Maximal degree in co-relation 695. Up to 133 conditions per place. [2021-03-24 19:49:30,365 INFO L132 encePairwiseOnDemand]: 158/164 looper letters, 3 selfloop transitions, 4 changer transitions 5/45 dead transitions. [2021-03-24 19:49:30,365 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 45 transitions, 211 flow [2021-03-24 19:49:30,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-24 19:49:30,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-24 19:49:30,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 846 transitions. [2021-03-24 19:49:30,371 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8597560975609756 [2021-03-24 19:49:30,372 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 846 transitions. [2021-03-24 19:49:30,372 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 846 transitions. [2021-03-24 19:49:30,372 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 19:49:30,372 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 846 transitions. [2021-03-24 19:49:30,373 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 141.0) internal successors, (846), 6 states have internal predecessors, (846), 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) [2021-03-24 19:49:30,374 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 164.0) internal successors, (1148), 7 states have internal predecessors, (1148), 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) [2021-03-24 19:49:30,374 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 164.0) internal successors, (1148), 7 states have internal predecessors, (1148), 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) [2021-03-24 19:49:30,374 INFO L185 Difference]: Start difference. First operand has 56 places, 41 transitions, 166 flow. Second operand 6 states and 846 transitions. [2021-03-24 19:49:30,375 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 45 transitions, 211 flow [2021-03-24 19:49:30,377 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 45 transitions, 199 flow, removed 3 selfloop flow, removed 4 redundant places. [2021-03-24 19:49:30,378 INFO L241 Difference]: Finished difference. Result has 59 places, 40 transitions, 172 flow [2021-03-24 19:49:30,378 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=154, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=172, PETRI_PLACES=59, PETRI_TRANSITIONS=40} [2021-03-24 19:49:30,378 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 10 predicate places. [2021-03-24 19:49:30,379 INFO L480 AbstractCegarLoop]: Abstraction has has 59 places, 40 transitions, 172 flow [2021-03-24 19:49:30,379 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 140.0) internal successors, (700), 5 states have internal predecessors, (700), 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) [2021-03-24 19:49:30,379 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:49:30,379 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, 1, 1, 1, 1, 1] [2021-03-24 19:49:30,379 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-24 19:49:30,379 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:49:30,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:49:30,379 INFO L82 PathProgramCache]: Analyzing trace with hash -267294278, now seen corresponding path program 1 times [2021-03-24 19:49:30,380 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:49:30,380 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425107462] [2021-03-24 19:49:30,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:49:30,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 19:49:30,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:49:30,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:49:30,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:49:30,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:49:30,431 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 19:49:30,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 19:49:30,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 19:49:30,434 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425107462] [2021-03-24 19:49:30,434 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 19:49:30,434 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-24 19:49:30,434 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839372696] [2021-03-24 19:49:30,434 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-24 19:49:30,434 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 19:49:30,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-24 19:49:30,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-24 19:49:30,435 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 144 out of 164 [2021-03-24 19:49:30,435 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 40 transitions, 172 flow. Second operand has 4 states, 4 states have (on average 144.75) internal successors, (579), 4 states have internal predecessors, (579), 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) [2021-03-24 19:49:30,435 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 19:49:30,436 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 144 of 164 [2021-03-24 19:49:30,436 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 19:49:30,479 INFO L129 PetriNetUnfolder]: 49/179 cut-off events. [2021-03-24 19:49:30,479 INFO L130 PetriNetUnfolder]: For 573/623 co-relation queries the response was YES. [2021-03-24 19:49:30,480 INFO L84 FinitePrefix]: Finished finitePrefix Result has 548 conditions, 179 events. 49/179 cut-off events. For 573/623 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 829 event pairs, 28 based on Foata normal form. 15/186 useless extension candidates. Maximal degree in co-relation 511. Up to 95 conditions per place. [2021-03-24 19:49:30,480 INFO L132 encePairwiseOnDemand]: 160/164 looper letters, 2 selfloop transitions, 5 changer transitions 0/42 dead transitions. [2021-03-24 19:49:30,480 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 42 transitions, 206 flow [2021-03-24 19:49:30,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-24 19:49:30,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-24 19:49:30,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 728 transitions. [2021-03-24 19:49:30,485 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8878048780487805 [2021-03-24 19:49:30,486 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 728 transitions. [2021-03-24 19:49:30,486 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 728 transitions. [2021-03-24 19:49:30,487 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 19:49:30,487 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 728 transitions. [2021-03-24 19:49:30,489 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 145.6) internal successors, (728), 5 states have internal predecessors, (728), 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) [2021-03-24 19:49:30,491 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 164.0) internal successors, (984), 6 states have internal predecessors, (984), 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) [2021-03-24 19:49:30,491 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 164.0) internal successors, (984), 6 states have internal predecessors, (984), 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) [2021-03-24 19:49:30,491 INFO L185 Difference]: Start difference. First operand has 59 places, 40 transitions, 172 flow. Second operand 5 states and 728 transitions. [2021-03-24 19:49:30,491 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 42 transitions, 206 flow [2021-03-24 19:49:30,493 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 42 transitions, 188 flow, removed 5 selfloop flow, removed 7 redundant places. [2021-03-24 19:49:30,494 INFO L241 Difference]: Finished difference. Result has 57 places, 42 transitions, 197 flow [2021-03-24 19:49:30,494 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=156, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=197, PETRI_PLACES=57, PETRI_TRANSITIONS=42} [2021-03-24 19:49:30,494 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 8 predicate places. [2021-03-24 19:49:30,494 INFO L480 AbstractCegarLoop]: Abstraction has has 57 places, 42 transitions, 197 flow [2021-03-24 19:49:30,494 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 144.75) internal successors, (579), 4 states have internal predecessors, (579), 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) [2021-03-24 19:49:30,494 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:49:30,494 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, 1, 1, 1, 1, 1, 1] [2021-03-24 19:49:30,494 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-24 19:49:30,495 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:49:30,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:49:30,501 INFO L82 PathProgramCache]: Analyzing trace with hash 1968397381, now seen corresponding path program 1 times [2021-03-24 19:49:30,501 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:49:30,501 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774784690] [2021-03-24 19:49:30,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:49:30,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 19:49:30,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:49:30,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:49:30,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:49:30,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:49:30,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:49:30,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 19:49:30,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:49:30,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 19:49:30,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:49:30,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 19:49:30,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:49:30,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 19:49:30,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:49:30,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 19:49:30,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:49:30,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 19:49:30,688 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 19:49:30,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 19:49:30,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 19:49:30,694 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1774784690] [2021-03-24 19:49:30,694 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 19:49:30,694 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-24 19:49:30,694 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887502765] [2021-03-24 19:49:30,694 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-24 19:49:30,694 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 19:49:30,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-24 19:49:30,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-03-24 19:49:30,696 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 119 out of 164 [2021-03-24 19:49:30,697 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 42 transitions, 197 flow. Second operand has 10 states, 10 states have (on average 120.1) internal successors, (1201), 10 states have internal predecessors, (1201), 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) [2021-03-24 19:49:30,697 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 19:49:30,697 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 119 of 164 [2021-03-24 19:49:30,697 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 19:49:31,050 INFO L129 PetriNetUnfolder]: 419/839 cut-off events. [2021-03-24 19:49:31,050 INFO L130 PetriNetUnfolder]: For 1667/1787 co-relation queries the response was YES. [2021-03-24 19:49:31,052 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2903 conditions, 839 events. 419/839 cut-off events. For 1667/1787 co-relation queries the response was YES. Maximal size of possible extension queue 92. Compared 4966 event pairs, 30 based on Foata normal form. 50/848 useless extension candidates. Maximal degree in co-relation 2864. Up to 405 conditions per place. [2021-03-24 19:49:31,054 INFO L132 encePairwiseOnDemand]: 150/164 looper letters, 15 selfloop transitions, 20 changer transitions 32/87 dead transitions. [2021-03-24 19:49:31,054 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 87 transitions, 636 flow [2021-03-24 19:49:31,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-24 19:49:31,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-24 19:49:31,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1483 transitions. [2021-03-24 19:49:31,057 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7535569105691057 [2021-03-24 19:49:31,057 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1483 transitions. [2021-03-24 19:49:31,057 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1483 transitions. [2021-03-24 19:49:31,057 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 19:49:31,057 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1483 transitions. [2021-03-24 19:49:31,059 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 123.58333333333333) internal successors, (1483), 12 states have internal predecessors, (1483), 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) [2021-03-24 19:49:31,061 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 164.0) internal successors, (2132), 13 states have internal predecessors, (2132), 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) [2021-03-24 19:49:31,062 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 164.0) internal successors, (2132), 13 states have internal predecessors, (2132), 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) [2021-03-24 19:49:31,062 INFO L185 Difference]: Start difference. First operand has 57 places, 42 transitions, 197 flow. Second operand 12 states and 1483 transitions. [2021-03-24 19:49:31,062 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 87 transitions, 636 flow [2021-03-24 19:49:31,064 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 87 transitions, 620 flow, removed 4 selfloop flow, removed 1 redundant places. [2021-03-24 19:49:31,067 INFO L241 Difference]: Finished difference. Result has 72 places, 50 transitions, 321 flow [2021-03-24 19:49:31,067 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=192, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=321, PETRI_PLACES=72, PETRI_TRANSITIONS=50} [2021-03-24 19:49:31,068 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 23 predicate places. [2021-03-24 19:49:31,068 INFO L480 AbstractCegarLoop]: Abstraction has has 72 places, 50 transitions, 321 flow [2021-03-24 19:49:31,068 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 120.1) internal successors, (1201), 10 states have internal predecessors, (1201), 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) [2021-03-24 19:49:31,068 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:49:31,068 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, 1, 1, 1, 1, 1, 1] [2021-03-24 19:49:31,068 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-24 19:49:31,068 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:49:31,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:49:31,069 INFO L82 PathProgramCache]: Analyzing trace with hash -707526543, now seen corresponding path program 2 times [2021-03-24 19:49:31,069 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:49:31,070 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65952857] [2021-03-24 19:49:31,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:49:31,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 19:49:31,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:49:31,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:49:31,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:49:31,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:49:31,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:49:31,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 19:49:31,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:49:31,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 19:49:31,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:49:31,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 19:49:31,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:49:31,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 19:49:31,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:49:31,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 19:49:31,187 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 19:49:31,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 19:49:31,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 19:49:31,191 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65952857] [2021-03-24 19:49:31,191 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 19:49:31,191 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 19:49:31,191 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63408352] [2021-03-24 19:49:31,192 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-24 19:49:31,192 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 19:49:31,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-24 19:49:31,192 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-03-24 19:49:31,193 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 119 out of 164 [2021-03-24 19:49:31,194 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 50 transitions, 321 flow. Second operand has 8 states, 8 states have (on average 120.375) internal successors, (963), 8 states have internal predecessors, (963), 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) [2021-03-24 19:49:31,194 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 19:49:31,194 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 119 of 164 [2021-03-24 19:49:31,194 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 19:49:31,439 INFO L129 PetriNetUnfolder]: 360/752 cut-off events. [2021-03-24 19:49:31,439 INFO L130 PetriNetUnfolder]: For 3057/3194 co-relation queries the response was YES. [2021-03-24 19:49:31,441 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3581 conditions, 752 events. 360/752 cut-off events. For 3057/3194 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 4644 event pairs, 15 based on Foata normal form. 63/778 useless extension candidates. Maximal degree in co-relation 3531. Up to 460 conditions per place. [2021-03-24 19:49:31,444 INFO L132 encePairwiseOnDemand]: 153/164 looper letters, 22 selfloop transitions, 21 changer transitions 19/82 dead transitions. [2021-03-24 19:49:31,444 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 82 transitions, 725 flow [2021-03-24 19:49:31,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-24 19:49:31,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-24 19:49:31,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1111 transitions. [2021-03-24 19:49:31,446 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.752710027100271 [2021-03-24 19:49:31,446 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1111 transitions. [2021-03-24 19:49:31,446 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1111 transitions. [2021-03-24 19:49:31,447 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 19:49:31,447 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1111 transitions. [2021-03-24 19:49:31,449 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 123.44444444444444) internal successors, (1111), 9 states have internal predecessors, (1111), 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) [2021-03-24 19:49:31,451 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 164.0) internal successors, (1640), 10 states have internal predecessors, (1640), 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) [2021-03-24 19:49:31,451 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 164.0) internal successors, (1640), 10 states have internal predecessors, (1640), 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) [2021-03-24 19:49:31,451 INFO L185 Difference]: Start difference. First operand has 72 places, 50 transitions, 321 flow. Second operand 9 states and 1111 transitions. [2021-03-24 19:49:31,451 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 82 transitions, 725 flow [2021-03-24 19:49:31,455 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 82 transitions, 689 flow, removed 7 selfloop flow, removed 9 redundant places. [2021-03-24 19:49:31,456 INFO L241 Difference]: Finished difference. Result has 70 places, 59 transitions, 449 flow [2021-03-24 19:49:31,456 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=291, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=449, PETRI_PLACES=70, PETRI_TRANSITIONS=59} [2021-03-24 19:49:31,456 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 21 predicate places. [2021-03-24 19:49:31,457 INFO L480 AbstractCegarLoop]: Abstraction has has 70 places, 59 transitions, 449 flow [2021-03-24 19:49:31,457 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 120.375) internal successors, (963), 8 states have internal predecessors, (963), 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) [2021-03-24 19:49:31,457 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:49:31,457 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, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 19:49:31,457 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-24 19:49:31,457 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:49:31,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:49:31,457 INFO L82 PathProgramCache]: Analyzing trace with hash 1197028507, now seen corresponding path program 1 times [2021-03-24 19:49:31,458 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:49:31,458 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448434725] [2021-03-24 19:49:31,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:49:31,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 19:49:31,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:49:31,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:49:31,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:49:31,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:49:31,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:49:31,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 19:49:31,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:49:31,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 19:49:31,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:49:31,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 19:49:31,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:49:31,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 19:49:31,565 INFO L142 QuantifierPusher]: treesize reduction 5, result has 80.0 percent of original size [2021-03-24 19:49:31,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 19:49:31,582 INFO L142 QuantifierPusher]: treesize reduction 7, result has 93.5 percent of original size [2021-03-24 19:49:31,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 101 [2021-03-24 19:49:31,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:49:31,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 19:49:31,635 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 19:49:31,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 19:49:31,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 19:49:31,640 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448434725] [2021-03-24 19:49:31,641 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 19:49:31,641 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-24 19:49:31,641 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70246633] [2021-03-24 19:49:31,641 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-24 19:49:31,641 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 19:49:31,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-24 19:49:31,642 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2021-03-24 19:49:31,643 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 115 out of 164 [2021-03-24 19:49:31,644 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 59 transitions, 449 flow. Second operand has 10 states, 10 states have (on average 116.3) internal successors, (1163), 10 states have internal predecessors, (1163), 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) [2021-03-24 19:49:31,644 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 19:49:31,644 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 115 of 164 [2021-03-24 19:49:31,644 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 19:49:31,948 INFO L129 PetriNetUnfolder]: 262/592 cut-off events. [2021-03-24 19:49:31,948 INFO L130 PetriNetUnfolder]: For 2911/3011 co-relation queries the response was YES. [2021-03-24 19:49:31,950 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3213 conditions, 592 events. 262/592 cut-off events. For 2911/3011 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 3570 event pairs, 7 based on Foata normal form. 44/618 useless extension candidates. Maximal degree in co-relation 3164. Up to 320 conditions per place. [2021-03-24 19:49:31,952 INFO L132 encePairwiseOnDemand]: 153/164 looper letters, 23 selfloop transitions, 23 changer transitions 8/73 dead transitions. [2021-03-24 19:49:31,952 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 73 transitions, 697 flow [2021-03-24 19:49:31,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-24 19:49:31,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-24 19:49:31,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1068 transitions. [2021-03-24 19:49:31,955 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7235772357723578 [2021-03-24 19:49:31,955 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1068 transitions. [2021-03-24 19:49:31,955 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1068 transitions. [2021-03-24 19:49:31,955 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 19:49:31,956 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1068 transitions. [2021-03-24 19:49:31,957 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 118.66666666666667) internal successors, (1068), 9 states have internal predecessors, (1068), 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) [2021-03-24 19:49:31,959 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 164.0) internal successors, (1640), 10 states have internal predecessors, (1640), 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) [2021-03-24 19:49:31,959 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 164.0) internal successors, (1640), 10 states have internal predecessors, (1640), 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) [2021-03-24 19:49:31,959 INFO L185 Difference]: Start difference. First operand has 70 places, 59 transitions, 449 flow. Second operand 9 states and 1068 transitions. [2021-03-24 19:49:31,959 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 73 transitions, 697 flow [2021-03-24 19:49:31,965 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 73 transitions, 640 flow, removed 26 selfloop flow, removed 5 redundant places. [2021-03-24 19:49:31,966 INFO L241 Difference]: Finished difference. Result has 74 places, 62 transitions, 507 flow [2021-03-24 19:49:31,966 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=392, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=507, PETRI_PLACES=74, PETRI_TRANSITIONS=62} [2021-03-24 19:49:31,966 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 25 predicate places. [2021-03-24 19:49:31,966 INFO L480 AbstractCegarLoop]: Abstraction has has 74 places, 62 transitions, 507 flow [2021-03-24 19:49:31,967 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 116.3) internal successors, (1163), 10 states have internal predecessors, (1163), 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) [2021-03-24 19:49:31,967 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:49:31,967 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, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 19:49:31,967 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-24 19:49:31,967 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:49:31,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:49:31,967 INFO L82 PathProgramCache]: Analyzing trace with hash 1184566259, now seen corresponding path program 1 times [2021-03-24 19:49:31,968 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:49:31,968 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770393807] [2021-03-24 19:49:31,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:49:31,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 19:49:32,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:49:32,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:49:32,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:49:32,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:49:32,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:49:32,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 19:49:32,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:49:32,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 19:49:32,063 INFO L142 QuantifierPusher]: treesize reduction 10, result has 82.5 percent of original size [2021-03-24 19:49:32,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 19:49:32,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:49:32,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 19:49:32,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:49:32,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 19:49:32,095 INFO L142 QuantifierPusher]: treesize reduction 4, result has 73.3 percent of original size [2021-03-24 19:49:32,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 19:49:32,106 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 19:49:32,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 19:49:32,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 19:49:32,112 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770393807] [2021-03-24 19:49:32,112 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 19:49:32,113 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-24 19:49:32,113 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136270829] [2021-03-24 19:49:32,113 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-24 19:49:32,113 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 19:49:32,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-24 19:49:32,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-03-24 19:49:32,117 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 118 out of 164 [2021-03-24 19:49:32,117 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 62 transitions, 507 flow. Second operand has 10 states, 10 states have (on average 119.3) internal successors, (1193), 10 states have internal predecessors, (1193), 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) [2021-03-24 19:49:32,117 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 19:49:32,117 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 118 of 164 [2021-03-24 19:49:32,118 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 19:49:32,444 INFO L129 PetriNetUnfolder]: 361/822 cut-off events. [2021-03-24 19:49:32,444 INFO L130 PetriNetUnfolder]: For 5272/5325 co-relation queries the response was YES. [2021-03-24 19:49:32,447 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4693 conditions, 822 events. 361/822 cut-off events. For 5272/5325 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 5475 event pairs, 33 based on Foata normal form. 53/857 useless extension candidates. Maximal degree in co-relation 4642. Up to 441 conditions per place. [2021-03-24 19:49:32,449 INFO L132 encePairwiseOnDemand]: 150/164 looper letters, 32 selfloop transitions, 24 changer transitions 43/117 dead transitions. [2021-03-24 19:49:32,449 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 117 transitions, 1347 flow [2021-03-24 19:49:32,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-24 19:49:32,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-24 19:49:32,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1352 transitions. [2021-03-24 19:49:32,452 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7494456762749445 [2021-03-24 19:49:32,452 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1352 transitions. [2021-03-24 19:49:32,452 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1352 transitions. [2021-03-24 19:49:32,452 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 19:49:32,452 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1352 transitions. [2021-03-24 19:49:32,454 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 122.9090909090909) internal successors, (1352), 11 states have internal predecessors, (1352), 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) [2021-03-24 19:49:32,456 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 164.0) internal successors, (1968), 12 states have internal predecessors, (1968), 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) [2021-03-24 19:49:32,457 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 164.0) internal successors, (1968), 12 states have internal predecessors, (1968), 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) [2021-03-24 19:49:32,457 INFO L185 Difference]: Start difference. First operand has 74 places, 62 transitions, 507 flow. Second operand 11 states and 1352 transitions. [2021-03-24 19:49:32,457 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 117 transitions, 1347 flow [2021-03-24 19:49:32,468 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 117 transitions, 1267 flow, removed 24 selfloop flow, removed 6 redundant places. [2021-03-24 19:49:32,469 INFO L241 Difference]: Finished difference. Result has 83 places, 69 transitions, 686 flow [2021-03-24 19:49:32,470 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=470, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=686, PETRI_PLACES=83, PETRI_TRANSITIONS=69} [2021-03-24 19:49:32,470 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 34 predicate places. [2021-03-24 19:49:32,470 INFO L480 AbstractCegarLoop]: Abstraction has has 83 places, 69 transitions, 686 flow [2021-03-24 19:49:32,471 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 119.3) internal successors, (1193), 10 states have internal predecessors, (1193), 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) [2021-03-24 19:49:32,471 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:49:32,471 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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 19:49:32,471 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-24 19:49:32,471 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:49:32,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:49:32,471 INFO L82 PathProgramCache]: Analyzing trace with hash 1460078621, now seen corresponding path program 1 times [2021-03-24 19:49:32,471 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:49:32,472 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93839756] [2021-03-24 19:49:32,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:49:32,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 19:49:32,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:49:32,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:49:32,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:49:32,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:49:32,543 INFO L142 QuantifierPusher]: treesize reduction 9, result has 66.7 percent of original size [2021-03-24 19:49:32,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 19:49:32,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:49:32,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 19:49:32,560 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.1 percent of original size [2021-03-24 19:49:32,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-24 19:49:32,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:49:32,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:49:32,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:49:32,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 19:49:32,595 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 19:49:32,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 19:49:32,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 19:49:32,604 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93839756] [2021-03-24 19:49:32,604 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 19:49:32,604 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-24 19:49:32,604 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164916511] [2021-03-24 19:49:32,605 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-24 19:49:32,605 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 19:49:32,605 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-24 19:49:32,605 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-03-24 19:49:32,606 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 119 out of 164 [2021-03-24 19:49:32,606 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 69 transitions, 686 flow. Second operand has 9 states, 9 states have (on average 120.44444444444444) internal successors, (1084), 9 states have internal predecessors, (1084), 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) [2021-03-24 19:49:32,607 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 19:49:32,607 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 119 of 164 [2021-03-24 19:49:32,607 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 19:49:32,860 INFO L129 PetriNetUnfolder]: 114/304 cut-off events. [2021-03-24 19:49:32,860 INFO L130 PetriNetUnfolder]: For 2547/2568 co-relation queries the response was YES. [2021-03-24 19:49:32,861 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1924 conditions, 304 events. 114/304 cut-off events. For 2547/2568 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 1563 event pairs, 6 based on Foata normal form. 21/325 useless extension candidates. Maximal degree in co-relation 1867. Up to 162 conditions per place. [2021-03-24 19:49:32,862 INFO L132 encePairwiseOnDemand]: 154/164 looper letters, 36 selfloop transitions, 19 changer transitions 28/102 dead transitions. [2021-03-24 19:49:32,862 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 102 transitions, 1287 flow [2021-03-24 19:49:32,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-24 19:49:32,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-24 19:49:32,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1116 transitions. [2021-03-24 19:49:32,865 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7560975609756098 [2021-03-24 19:49:32,865 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1116 transitions. [2021-03-24 19:49:32,865 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1116 transitions. [2021-03-24 19:49:32,865 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 19:49:32,865 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1116 transitions. [2021-03-24 19:49:32,867 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 124.0) internal successors, (1116), 9 states have internal predecessors, (1116), 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) [2021-03-24 19:49:32,868 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 164.0) internal successors, (1640), 10 states have internal predecessors, (1640), 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) [2021-03-24 19:49:32,869 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 164.0) internal successors, (1640), 10 states have internal predecessors, (1640), 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) [2021-03-24 19:49:32,869 INFO L185 Difference]: Start difference. First operand has 83 places, 69 transitions, 686 flow. Second operand 9 states and 1116 transitions. [2021-03-24 19:49:32,869 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 102 transitions, 1287 flow [2021-03-24 19:49:32,873 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 102 transitions, 1161 flow, removed 55 selfloop flow, removed 6 redundant places. [2021-03-24 19:49:32,875 INFO L241 Difference]: Finished difference. Result has 89 places, 72 transitions, 738 flow [2021-03-24 19:49:32,875 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=592, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=738, PETRI_PLACES=89, PETRI_TRANSITIONS=72} [2021-03-24 19:49:32,875 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 40 predicate places. [2021-03-24 19:49:32,875 INFO L480 AbstractCegarLoop]: Abstraction has has 89 places, 72 transitions, 738 flow [2021-03-24 19:49:32,876 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 120.44444444444444) internal successors, (1084), 9 states have internal predecessors, (1084), 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) [2021-03-24 19:49:32,876 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:49:32,876 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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 19:49:32,876 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-24 19:49:32,876 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:49:32,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:49:32,876 INFO L82 PathProgramCache]: Analyzing trace with hash 66425466, now seen corresponding path program 1 times [2021-03-24 19:49:32,876 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:49:32,876 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616833932] [2021-03-24 19:49:32,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:49:32,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 19:49:32,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:49:32,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:49:32,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:49:32,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:49:32,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:49:32,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 19:49:32,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:49:32,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 19:49:32,954 INFO L142 QuantifierPusher]: treesize reduction 7, result has 79.4 percent of original size [2021-03-24 19:49:32,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-24 19:49:32,959 INFO L142 QuantifierPusher]: treesize reduction 5, result has 80.8 percent of original size [2021-03-24 19:49:32,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 19:49:32,970 INFO L142 QuantifierPusher]: treesize reduction 5, result has 82.8 percent of original size [2021-03-24 19:49:32,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 19:49:32,984 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-03-24 19:49:32,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 19:49:32,997 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 19:49:32,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 19:49:33,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 19:49:33,002 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [616833932] [2021-03-24 19:49:33,002 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 19:49:33,002 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-24 19:49:33,002 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423844480] [2021-03-24 19:49:33,002 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-24 19:49:33,002 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 19:49:33,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-24 19:49:33,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-03-24 19:49:33,003 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 115 out of 164 [2021-03-24 19:49:33,004 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 72 transitions, 738 flow. Second operand has 9 states, 9 states have (on average 116.55555555555556) internal successors, (1049), 9 states have internal predecessors, (1049), 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) [2021-03-24 19:49:33,004 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 19:49:33,004 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 115 of 164 [2021-03-24 19:49:33,004 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 19:49:33,257 INFO L129 PetriNetUnfolder]: 89/282 cut-off events. [2021-03-24 19:49:33,258 INFO L130 PetriNetUnfolder]: For 2770/2789 co-relation queries the response was YES. [2021-03-24 19:49:33,259 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1816 conditions, 282 events. 89/282 cut-off events. For 2770/2789 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 1560 event pairs, 3 based on Foata normal form. 18/300 useless extension candidates. Maximal degree in co-relation 1757. Up to 127 conditions per place. [2021-03-24 19:49:33,260 INFO L132 encePairwiseOnDemand]: 155/164 looper letters, 30 selfloop transitions, 12 changer transitions 29/89 dead transitions. [2021-03-24 19:49:33,260 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 89 transitions, 1168 flow [2021-03-24 19:49:33,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-24 19:49:33,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-24 19:49:33,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1187 transitions. [2021-03-24 19:49:33,262 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.723780487804878 [2021-03-24 19:49:33,262 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1187 transitions. [2021-03-24 19:49:33,262 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1187 transitions. [2021-03-24 19:49:33,263 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 19:49:33,263 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1187 transitions. [2021-03-24 19:49:33,265 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 118.7) internal successors, (1187), 10 states have internal predecessors, (1187), 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) [2021-03-24 19:49:33,266 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 164.0) internal successors, (1804), 11 states have internal predecessors, (1804), 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) [2021-03-24 19:49:33,267 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 164.0) internal successors, (1804), 11 states have internal predecessors, (1804), 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) [2021-03-24 19:49:33,267 INFO L185 Difference]: Start difference. First operand has 89 places, 72 transitions, 738 flow. Second operand 10 states and 1187 transitions. [2021-03-24 19:49:33,267 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 89 transitions, 1168 flow [2021-03-24 19:49:33,272 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 89 transitions, 1037 flow, removed 50 selfloop flow, removed 8 redundant places. [2021-03-24 19:49:33,273 INFO L241 Difference]: Finished difference. Result has 92 places, 57 transitions, 528 flow [2021-03-24 19:49:33,274 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=650, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=72, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=528, PETRI_PLACES=92, PETRI_TRANSITIONS=57} [2021-03-24 19:49:33,274 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 43 predicate places. [2021-03-24 19:49:33,274 INFO L480 AbstractCegarLoop]: Abstraction has has 92 places, 57 transitions, 528 flow [2021-03-24 19:49:33,283 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 116.55555555555556) internal successors, (1049), 9 states have internal predecessors, (1049), 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) [2021-03-24 19:49:33,283 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:49:33,284 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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 19:49:33,284 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-03-24 19:49:33,284 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:49:33,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:49:33,284 INFO L82 PathProgramCache]: Analyzing trace with hash 205553957, now seen corresponding path program 2 times [2021-03-24 19:49:33,284 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:49:33,284 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115827191] [2021-03-24 19:49:33,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:49:33,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 19:49:33,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:49:33,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:49:33,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:49:33,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:49:33,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:49:33,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:49:33,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:49:33,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:49:33,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 19:49:33,354 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115827191] [2021-03-24 19:49:33,354 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 19:49:33,354 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-24 19:49:33,354 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862160820] [2021-03-24 19:49:33,354 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-24 19:49:33,354 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 19:49:33,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-24 19:49:33,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-24 19:49:33,355 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 133 out of 164 [2021-03-24 19:49:33,356 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 57 transitions, 528 flow. Second operand has 4 states, 4 states have (on average 133.75) internal successors, (535), 4 states have internal predecessors, (535), 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) [2021-03-24 19:49:33,356 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 19:49:33,356 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 133 of 164 [2021-03-24 19:49:33,356 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 19:49:33,449 INFO L129 PetriNetUnfolder]: 98/248 cut-off events. [2021-03-24 19:49:33,449 INFO L130 PetriNetUnfolder]: For 1953/2040 co-relation queries the response was YES. [2021-03-24 19:49:33,450 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1108 conditions, 248 events. 98/248 cut-off events. For 1953/2040 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 1143 event pairs, 31 based on Foata normal form. 60/300 useless extension candidates. Maximal degree in co-relation 1054. Up to 122 conditions per place. [2021-03-24 19:49:33,451 INFO L132 encePairwiseOnDemand]: 158/164 looper letters, 8 selfloop transitions, 8 changer transitions 0/53 dead transitions. [2021-03-24 19:49:33,451 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 53 transitions, 402 flow [2021-03-24 19:49:33,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-24 19:49:33,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-24 19:49:33,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 683 transitions. [2021-03-24 19:49:33,453 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8329268292682926 [2021-03-24 19:49:33,453 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 683 transitions. [2021-03-24 19:49:33,453 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 683 transitions. [2021-03-24 19:49:33,453 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 19:49:33,453 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 683 transitions. [2021-03-24 19:49:33,454 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 136.6) internal successors, (683), 5 states have internal predecessors, (683), 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) [2021-03-24 19:49:33,455 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 164.0) internal successors, (984), 6 states have internal predecessors, (984), 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) [2021-03-24 19:49:33,457 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 164.0) internal successors, (984), 6 states have internal predecessors, (984), 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) [2021-03-24 19:49:33,457 INFO L185 Difference]: Start difference. First operand has 92 places, 57 transitions, 528 flow. Second operand 5 states and 683 transitions. [2021-03-24 19:49:33,457 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 53 transitions, 402 flow [2021-03-24 19:49:33,460 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 53 transitions, 332 flow, removed 11 selfloop flow, removed 22 redundant places. [2021-03-24 19:49:33,461 INFO L241 Difference]: Finished difference. Result has 70 places, 50 transitions, 340 flow [2021-03-24 19:49:33,461 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=280, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=340, PETRI_PLACES=70, PETRI_TRANSITIONS=50} [2021-03-24 19:49:33,461 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 21 predicate places. [2021-03-24 19:49:33,461 INFO L480 AbstractCegarLoop]: Abstraction has has 70 places, 50 transitions, 340 flow [2021-03-24 19:49:33,461 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 133.75) internal successors, (535), 4 states have internal predecessors, (535), 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) [2021-03-24 19:49:33,461 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:49:33,461 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 19:49:33,461 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-03-24 19:49:33,461 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:49:33,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:49:33,462 INFO L82 PathProgramCache]: Analyzing trace with hash 1912895118, now seen corresponding path program 1 times [2021-03-24 19:49:33,462 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:49:33,462 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954904425] [2021-03-24 19:49:33,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:49:33,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 19:49:33,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:49:33,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:49:33,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:49:33,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:49:33,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:49:33,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:49:33,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:49:33,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:49:33,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:49:33,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:49:33,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 19:49:33,530 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954904425] [2021-03-24 19:49:33,530 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 19:49:33,530 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-24 19:49:33,530 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181415421] [2021-03-24 19:49:33,530 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-24 19:49:33,530 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 19:49:33,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-24 19:49:33,530 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-24 19:49:33,531 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 133 out of 164 [2021-03-24 19:49:33,531 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 50 transitions, 340 flow. Second operand has 5 states, 5 states have (on average 133.8) internal successors, (669), 5 states have internal predecessors, (669), 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) [2021-03-24 19:49:33,531 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 19:49:33,531 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 133 of 164 [2021-03-24 19:49:33,531 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 19:49:33,577 INFO L129 PetriNetUnfolder]: 52/183 cut-off events. [2021-03-24 19:49:33,578 INFO L130 PetriNetUnfolder]: For 1357/1544 co-relation queries the response was YES. [2021-03-24 19:49:33,578 INFO L84 FinitePrefix]: Finished finitePrefix Result has 839 conditions, 183 events. 52/183 cut-off events. For 1357/1544 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 843 event pairs, 3 based on Foata normal form. 118/297 useless extension candidates. Maximal degree in co-relation 798. Up to 98 conditions per place. [2021-03-24 19:49:33,579 INFO L132 encePairwiseOnDemand]: 158/164 looper letters, 5 selfloop transitions, 15 changer transitions 3/60 dead transitions. [2021-03-24 19:49:33,579 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 60 transitions, 444 flow [2021-03-24 19:49:33,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 19:49:33,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 19:49:33,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 956 transitions. [2021-03-24 19:49:33,582 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8327526132404182 [2021-03-24 19:49:33,582 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 956 transitions. [2021-03-24 19:49:33,582 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 956 transitions. [2021-03-24 19:49:33,583 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 19:49:33,583 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 956 transitions. [2021-03-24 19:49:33,585 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 136.57142857142858) internal successors, (956), 7 states have internal predecessors, (956), 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) [2021-03-24 19:49:33,586 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 164.0) internal successors, (1312), 8 states have internal predecessors, (1312), 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) [2021-03-24 19:49:33,586 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 164.0) internal successors, (1312), 8 states have internal predecessors, (1312), 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) [2021-03-24 19:49:33,586 INFO L185 Difference]: Start difference. First operand has 70 places, 50 transitions, 340 flow. Second operand 7 states and 956 transitions. [2021-03-24 19:49:33,586 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 60 transitions, 444 flow [2021-03-24 19:49:33,588 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 60 transitions, 428 flow, removed 6 selfloop flow, removed 2 redundant places. [2021-03-24 19:49:33,590 INFO L241 Difference]: Finished difference. Result has 77 places, 57 transitions, 423 flow [2021-03-24 19:49:33,590 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=324, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=423, PETRI_PLACES=77, PETRI_TRANSITIONS=57} [2021-03-24 19:49:33,590 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 28 predicate places. [2021-03-24 19:49:33,590 INFO L480 AbstractCegarLoop]: Abstraction has has 77 places, 57 transitions, 423 flow [2021-03-24 19:49:33,590 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 133.8) internal successors, (669), 5 states have internal predecessors, (669), 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) [2021-03-24 19:49:33,590 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:49:33,590 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 19:49:33,590 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-03-24 19:49:33,590 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:49:33,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:49:33,591 INFO L82 PathProgramCache]: Analyzing trace with hash 660466391, now seen corresponding path program 1 times [2021-03-24 19:49:33,591 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:49:33,591 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844046327] [2021-03-24 19:49:33,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:49:33,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 19:49:33,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:49:33,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:49:33,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:49:33,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:49:33,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:49:33,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:49:33,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:49:33,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:49:33,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:49:33,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:49:33,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:49:33,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:49:33,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 19:49:33,674 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844046327] [2021-03-24 19:49:33,674 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 19:49:33,674 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-24 19:49:33,674 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504777575] [2021-03-24 19:49:33,675 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-24 19:49:33,675 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 19:49:33,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-24 19:49:33,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-03-24 19:49:33,676 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 133 out of 164 [2021-03-24 19:49:33,676 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 57 transitions, 423 flow. Second operand has 6 states, 6 states have (on average 133.83333333333334) internal successors, (803), 6 states have internal predecessors, (803), 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) [2021-03-24 19:49:33,676 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 19:49:33,676 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 133 of 164 [2021-03-24 19:49:33,677 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 19:49:33,729 INFO L129 PetriNetUnfolder]: 36/149 cut-off events. [2021-03-24 19:49:33,730 INFO L130 PetriNetUnfolder]: For 1341/1518 co-relation queries the response was YES. [2021-03-24 19:49:33,730 INFO L84 FinitePrefix]: Finished finitePrefix Result has 762 conditions, 149 events. 36/149 cut-off events. For 1341/1518 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 675 event pairs, 1 based on Foata normal form. 99/245 useless extension candidates. Maximal degree in co-relation 718. Up to 89 conditions per place. [2021-03-24 19:49:33,731 INFO L132 encePairwiseOnDemand]: 158/164 looper letters, 2 selfloop transitions, 19 changer transitions 3/61 dead transitions. [2021-03-24 19:49:33,731 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 61 transitions, 501 flow [2021-03-24 19:49:33,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-24 19:49:33,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-24 19:49:33,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1223 transitions. [2021-03-24 19:49:33,732 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8285907859078591 [2021-03-24 19:49:33,732 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1223 transitions. [2021-03-24 19:49:33,733 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1223 transitions. [2021-03-24 19:49:33,733 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 19:49:33,733 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1223 transitions. [2021-03-24 19:49:33,734 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 135.88888888888889) internal successors, (1223), 9 states have internal predecessors, (1223), 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) [2021-03-24 19:49:33,735 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 164.0) internal successors, (1640), 10 states have internal predecessors, (1640), 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) [2021-03-24 19:49:33,736 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 164.0) internal successors, (1640), 10 states have internal predecessors, (1640), 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) [2021-03-24 19:49:33,736 INFO L185 Difference]: Start difference. First operand has 77 places, 57 transitions, 423 flow. Second operand 9 states and 1223 transitions. [2021-03-24 19:49:33,736 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 61 transitions, 501 flow [2021-03-24 19:49:33,738 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 61 transitions, 433 flow, removed 26 selfloop flow, removed 4 redundant places. [2021-03-24 19:49:33,739 INFO L241 Difference]: Finished difference. Result has 84 places, 58 transitions, 416 flow [2021-03-24 19:49:33,739 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=355, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=57, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=416, PETRI_PLACES=84, PETRI_TRANSITIONS=58} [2021-03-24 19:49:33,740 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 35 predicate places. [2021-03-24 19:49:33,740 INFO L480 AbstractCegarLoop]: Abstraction has has 84 places, 58 transitions, 416 flow [2021-03-24 19:49:33,740 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 133.83333333333334) internal successors, (803), 6 states have internal predecessors, (803), 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) [2021-03-24 19:49:33,740 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:49:33,740 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 19:49:33,740 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-03-24 19:49:33,740 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:49:33,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:49:33,741 INFO L82 PathProgramCache]: Analyzing trace with hash -1603137015, now seen corresponding path program 1 times [2021-03-24 19:49:33,741 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:49:33,741 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735114141] [2021-03-24 19:49:33,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:49:33,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-24 19:49:33,786 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-24 19:49:33,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-24 19:49:33,845 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-24 19:49:33,878 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-24 19:49:33,879 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-03-24 19:49:33,880 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-03-24 19:49:33,966 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.03 07:49:33 BasicIcfg [2021-03-24 19:49:33,966 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-24 19:49:33,967 INFO L168 Benchmark]: Toolchain (without parser) took 16792.05 ms. Allocated memory was 398.5 MB in the beginning and 950.0 MB in the end (delta: 551.6 MB). Free memory was 361.2 MB in the beginning and 716.9 MB in the end (delta: -355.7 MB). Peak memory consumption was 195.9 MB. Max. memory is 16.0 GB. [2021-03-24 19:49:33,967 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 398.5 MB. Free memory was 379.3 MB in the beginning and 379.2 MB in the end (delta: 76.2 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-24 19:49:33,967 INFO L168 Benchmark]: CACSL2BoogieTranslator took 444.56 ms. Allocated memory is still 398.5 MB. Free memory was 361.0 MB in the beginning and 356.4 MB in the end (delta: 4.6 MB). Peak memory consumption was 7.1 MB. Max. memory is 16.0 GB. [2021-03-24 19:49:33,967 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.18 ms. Allocated memory is still 398.5 MB. Free memory was 356.4 MB in the beginning and 353.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-24 19:49:33,967 INFO L168 Benchmark]: Boogie Preprocessor took 45.68 ms. Allocated memory is still 398.5 MB. Free memory was 353.3 MB in the beginning and 350.1 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-03-24 19:49:33,967 INFO L168 Benchmark]: RCFGBuilder took 2042.75 ms. Allocated memory was 398.5 MB in the beginning and 513.8 MB in the end (delta: 115.3 MB). Free memory was 350.1 MB in the beginning and 384.5 MB in the end (delta: -34.4 MB). Peak memory consumption was 168.0 MB. Max. memory is 16.0 GB. [2021-03-24 19:49:33,968 INFO L168 Benchmark]: TraceAbstraction took 14190.47 ms. Allocated memory was 513.8 MB in the beginning and 950.0 MB in the end (delta: 436.2 MB). Free memory was 383.5 MB in the beginning and 716.9 MB in the end (delta: -333.4 MB). Peak memory consumption was 101.7 MB. Max. memory is 16.0 GB. [2021-03-24 19:49:33,972 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 398.5 MB. Free memory was 379.3 MB in the beginning and 379.2 MB in the end (delta: 76.2 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 444.56 ms. Allocated memory is still 398.5 MB. Free memory was 361.0 MB in the beginning and 356.4 MB in the end (delta: 4.6 MB). Peak memory consumption was 7.1 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 58.18 ms. Allocated memory is still 398.5 MB. Free memory was 356.4 MB in the beginning and 353.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 45.68 ms. Allocated memory is still 398.5 MB. Free memory was 353.3 MB in the beginning and 350.1 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * RCFGBuilder took 2042.75 ms. Allocated memory was 398.5 MB in the beginning and 513.8 MB in the end (delta: 115.3 MB). Free memory was 350.1 MB in the beginning and 384.5 MB in the end (delta: -34.4 MB). Peak memory consumption was 168.0 MB. Max. memory is 16.0 GB. * TraceAbstraction took 14190.47 ms. Allocated memory was 513.8 MB in the beginning and 950.0 MB in the end (delta: 436.2 MB). Free memory was 383.5 MB in the beginning and 716.9 MB in the end (delta: -333.4 MB). Peak memory consumption was 101.7 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 9202.5ms, 103 PlacesBefore, 49 PlacesAfterwards, 95 TransitionsBefore, 40 TransitionsAfterwards, 1694 CoEnabledTransitionPairs, 6 FixpointIterations, 24 TrivialSequentialCompositions, 35 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 1 ChoiceCompositions, 66 TotalNumberOfCompositions, 3349 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1450, positive: 1353, positive conditional: 0, positive unconditional: 1353, negative: 97, negative conditional: 0, negative unconditional: 97, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1067, positive: 1037, positive conditional: 0, positive unconditional: 1037, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1067, positive: 1037, positive conditional: 0, positive unconditional: 1037, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1067, positive: 1032, positive conditional: 0, positive unconditional: 1032, negative: 35, negative conditional: 0, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 35, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 542, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 533, negative conditional: 0, negative unconditional: 533, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1450, positive: 316, positive conditional: 0, positive unconditional: 316, negative: 67, negative conditional: 0, negative unconditional: 67, unknown: 1067, unknown conditional: 0, unknown unconditional: 1067] , Statistics on independence cache: Total cache size (in pairs): 95, Positive cache size: 79, Positive conditional cache size: 0, Positive unconditional cache size: 79, Negative cache size: 16, Negative conditional cache size: 0, Negative unconditional cache size: 16 - 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; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0] [L713] 0 int __unbuffered_p2_EAX = 0; [L715] 0 int __unbuffered_p2_EBX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0] [L716] 0 _Bool main$tmp_guard0; [L717] 0 _Bool main$tmp_guard1; [L719] 0 int x = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0] [L721] 0 int y = 0; [L722] 0 _Bool y$flush_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0] [L723] 0 int y$mem_tmp; [L724] 0 _Bool y$r_buff0_thd0; [L725] 0 _Bool y$r_buff0_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0] [L726] 0 _Bool y$r_buff0_thd2; [L727] 0 _Bool y$r_buff0_thd3; [L728] 0 _Bool y$r_buff1_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=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$r_buff1_thd0=0] [L729] 0 _Bool y$r_buff1_thd1; [L730] 0 _Bool y$r_buff1_thd2; [L731] 0 _Bool y$r_buff1_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=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] [L732] 0 _Bool y$read_delayed; [L733] 0 int *y$read_delayed_var; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=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}] [L734] 0 int y$w_buff0; [L735] 0 _Bool y$w_buff0_used; [L736] 0 int y$w_buff1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$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] [L737] 0 _Bool y$w_buff1_used; [L738] 0 _Bool weak$$choice0; [L739] 0 _Bool weak$$choice2; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=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] [L846] 0 pthread_t t1861; [L847] FCALL, FORK 0 pthread_create(&t1861, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=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] [L848] 0 pthread_t t1862; [L849] FCALL, FORK 0 pthread_create(&t1862, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=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] [L743] 1 y$w_buff1 = y$w_buff0 [L744] 1 y$w_buff0 = 2 [L745] 1 y$w_buff1_used = y$w_buff0_used [L746] 1 y$w_buff0_used = (_Bool)1 [L18] COND FALSE 1 !(!expression) [L748] 1 y$r_buff1_thd0 = y$r_buff0_thd0 [L749] 1 y$r_buff1_thd1 = y$r_buff0_thd1 [L750] 1 y$r_buff1_thd2 = y$r_buff0_thd2 [L751] 1 y$r_buff1_thd3 = y$r_buff0_thd3 [L752] 1 y$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$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=1, 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$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L755] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=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=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, 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$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L772] 2 __unbuffered_p1_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, __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=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, 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$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L775] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, __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=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, 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$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L850] 0 pthread_t t1863; [L851] FCALL, FORK 0 pthread_create(&t1863, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, 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$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L792] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L793] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L794] 3 y$flush_delayed = weak$$choice2 [L795] 3 y$mem_tmp = y [L796] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff1) [L796] 3 y = !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff1) [L797] EXPR 3 weak$$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$w_buff0)) [L797] 3 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0)) [L798] EXPR 3 weak$$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$w_buff1)) [L798] 3 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1)) [L799] EXPR 3 weak$$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)) [L799] 3 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used)) [L800] EXPR 3 weak$$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$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L800] 3 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L801] EXPR 3 weak$$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)) [L801] 3 y$r_buff0_thd3 = weak$$choice2 ? y$r_buff0_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff0_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3)) [L802] EXPR 3 weak$$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$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L802] 3 y$r_buff1_thd3 = weak$$choice2 ? y$r_buff1_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff1_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L803] 3 __unbuffered_p2_EAX = y [L804] EXPR 3 y$flush_delayed ? y$mem_tmp : y [L804] 3 y = y$flush_delayed ? y$mem_tmp : y [L805] 3 y$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=51, weak$$choice2=255, x=1, y=1, y$flush_delayed=0, y$mem_tmp=1, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L808] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L809] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L810] 3 y$flush_delayed = weak$$choice2 [L811] 3 y$mem_tmp = y [L812] EXPR 3 !y$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) [L812] 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) [L813] EXPR 3 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0)) [L813] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0) [L813] EXPR 3 weak$$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$w_buff0)) [L813] 3 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0)) [L814] EXPR 3 weak$$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$w_buff1)) [L814] EXPR 3 !y$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) [L814] EXPR 3 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1)) [L814] 3 y$w_buff1 = weak$$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)) [L815] EXPR 3 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used)) [L815] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used) [L815] EXPR 3 weak$$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)) [L815] 3 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used)) [L816] EXPR 3 weak$$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$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L816] EXPR 3 !y$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) [L816] EXPR 3 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L816] 3 y$w_buff1_used = weak$$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)) [L817] EXPR 3 weak$$choice2 ? y$r_buff0_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff0_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3)) [L817] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff0_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3) [L817] EXPR 3 weak$$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)) [L817] 3 y$r_buff0_thd3 = weak$$choice2 ? y$r_buff0_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff0_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3)) [L818] EXPR 3 weak$$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$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L818] EXPR 3 !y$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) [L818] EXPR 3 weak$$choice2 ? y$r_buff1_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff1_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L818] 3 y$r_buff1_thd3 = weak$$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$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L819] 3 __unbuffered_p2_EBX = y [L820] EXPR 3 y$flush_delayed ? y$mem_tmp : y [L820] 3 y = y$flush_delayed ? y$mem_tmp : y [L821] 3 y$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=53, weak$$choice2=0, x=1, y=1, y$flush_delayed=0, y$mem_tmp=1, y$r_buff0_thd0=0, y$r_buff0_thd1=1, 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$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L778] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L778] EXPR 2 y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y [L778] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L778] 2 y = y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L779] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L779] 2 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L780] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L780] 2 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L781] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L781] 2 y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L782] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L782] 2 y$r_buff1_thd2 = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L758] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L758] 1 y = y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L759] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L759] 1 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L760] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L760] 1 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L761] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L761] 1 y$r_buff0_thd1 = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L762] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 [L762] 1 y$r_buff1_thd1 = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 [L824] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L824] EXPR 3 y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y [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 [L785] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L787] 2 return 0; [L765] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L767] 1 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 weak$$choice0 = __VERIFIER_nondet_bool() [L865] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L866] 0 y$flush_delayed = weak$$choice2 [L867] 0 y$mem_tmp = y [L868] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) [L868] 0 y = !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) [L869] EXPR 0 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L869] 0 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L870] EXPR 0 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L870] 0 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L871] EXPR 0 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L871] 0 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L872] EXPR 0 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L872] 0 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L873] EXPR 0 weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L873] 0 y$r_buff0_thd0 = weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L874] EXPR 0 weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L874] 0 y$r_buff1_thd0 = weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L875] 0 main$tmp_guard1 = !(y == 2 && __unbuffered_p1_EAX == 1 && __unbuffered_p2_EAX == 1 && __unbuffered_p2_EBX == 1) [L876] EXPR 0 y$flush_delayed ? y$mem_tmp : y [L876] 0 y = y$flush_delayed ? y$mem_tmp : y [L877] 0 y$flush_delayed = (_Bool)0 [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p1_EAX=1, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=52, weak$$choice2=255, x=1, y=2, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=1, 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$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 97 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 3.9ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 14012.9ms, OverallIterations: 16, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 2760.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 9253.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 103 SDtfs, 155 SDslu, 175 SDs, 0 SdLazy, 768 SolverSat, 282 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 781.9ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 138 GetRequests, 21 SyntacticMatches, 1 SemanticMatches, 116 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 165 ImplicationChecksByTransitivity, 940.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=738occurred in iteration=11, InterpolantAutomatonStates: 114, 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: 55.0ms SsaConstructionTime, 471.9ms SatisfiabilityAnalysisTime, 1161.6ms InterpolantComputationTime, 428 NumberOfCodeBlocks, 428 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 379 ConstructedInterpolants, 0 QuantifiedInterpolants, 2282 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 15 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...