/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-VariableLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix008_pso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-24 10:39:37,621 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-24 10:39:37,623 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-24 10:39:37,646 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-24 10:39:37,646 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-24 10:39:37,647 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-24 10:39:37,648 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-24 10:39:37,650 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-24 10:39:37,651 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-24 10:39:37,652 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-24 10:39:37,653 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-24 10:39:37,654 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-24 10:39:37,654 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-24 10:39:37,655 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-24 10:39:37,656 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-24 10:39:37,657 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-24 10:39:37,658 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-24 10:39:37,658 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-24 10:39:37,660 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-24 10:39:37,662 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-24 10:39:37,663 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-24 10:39:37,664 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-24 10:39:37,665 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-24 10:39:37,666 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-24 10:39:37,668 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-03-24 10:39:37,669 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-03-24 10:39:37,669 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-03-24 10:39:37,670 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-03-24 10:39:37,670 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-03-24 10:39:37,671 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-03-24 10:39:37,671 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-24 10:39:37,672 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-24 10:39:37,673 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-24 10:39:37,673 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-24 10:39:37,674 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-24 10:39:37,674 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-24 10:39:37,675 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-24 10:39:37,675 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-24 10:39:37,675 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-24 10:39:37,676 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-24 10:39:37,677 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-24 10:39:37,678 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-VariableLbe.epf [2021-03-24 10:39:37,696 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-24 10:39:37,697 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-24 10:39:37,698 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-24 10:39:37,698 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-24 10:39:37,698 INFO L138 SettingsManager]: * Use SBE=true [2021-03-24 10:39:37,698 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-24 10:39:37,698 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-24 10:39:37,699 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-24 10:39:37,699 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-24 10:39:37,699 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-24 10:39:37,699 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-24 10:39:37,699 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-24 10:39:37,700 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-24 10:39:37,700 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-24 10:39:37,700 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-24 10:39:37,700 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-24 10:39:37,700 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-24 10:39:37,701 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-24 10:39:37,701 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-24 10:39:37,701 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-24 10:39:37,701 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-24 10:39:37,701 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-24 10:39:37,702 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-24 10:39:37,702 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-24 10:39:37,702 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-24 10:39:37,702 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-24 10:39:37,702 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-24 10:39:37,702 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2021-03-24 10:39:37,703 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-24 10:39:37,703 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-24 10:39:37,987 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-24 10:39:38,015 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-24 10:39:38,017 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-24 10:39:38,018 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-24 10:39:38,019 INFO L275 PluginConnector]: CDTParser initialized [2021-03-24 10:39:38,020 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix008_pso.oepc.i [2021-03-24 10:39:38,092 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e414541c3/cc6cfc13491a45348405cf9bf1ecf0c6/FLAG2ece3529e [2021-03-24 10:39:38,570 INFO L306 CDTParser]: Found 1 translation units. [2021-03-24 10:39:38,571 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix008_pso.oepc.i [2021-03-24 10:39:38,596 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e414541c3/cc6cfc13491a45348405cf9bf1ecf0c6/FLAG2ece3529e [2021-03-24 10:39:39,052 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e414541c3/cc6cfc13491a45348405cf9bf1ecf0c6 [2021-03-24 10:39:39,055 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-24 10:39:39,057 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-24 10:39:39,060 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-24 10:39:39,060 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-24 10:39:39,063 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-24 10:39:39,066 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.03 10:39:39" (1/1) ... [2021-03-24 10:39:39,067 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d1b0411 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:39:39, skipping insertion in model container [2021-03-24 10:39:39,067 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.03 10:39:39" (1/1) ... [2021-03-24 10:39:39,073 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-24 10:39:39,128 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-24 10:39:39,258 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/mix008_pso.oepc.i[949,962] [2021-03-24 10:39:39,492 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-24 10:39:39,499 INFO L203 MainTranslator]: Completed pre-run [2021-03-24 10:39:39,513 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/mix008_pso.oepc.i[949,962] [2021-03-24 10:39:39,573 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-24 10:39:39,646 INFO L208 MainTranslator]: Completed translation [2021-03-24 10:39:39,646 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:39:39 WrapperNode [2021-03-24 10:39:39,649 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-24 10:39:39,651 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-24 10:39:39,651 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-24 10:39:39,652 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-24 10:39:39,658 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:39:39" (1/1) ... [2021-03-24 10:39:39,690 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:39:39" (1/1) ... [2021-03-24 10:39:39,721 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-24 10:39:39,722 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-24 10:39:39,722 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-24 10:39:39,722 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-24 10:39:39,731 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:39:39" (1/1) ... [2021-03-24 10:39:39,731 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:39:39" (1/1) ... [2021-03-24 10:39:39,745 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:39:39" (1/1) ... [2021-03-24 10:39:39,745 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:39:39" (1/1) ... [2021-03-24 10:39:39,757 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:39:39" (1/1) ... [2021-03-24 10:39:39,760 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:39:39" (1/1) ... [2021-03-24 10:39:39,777 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:39:39" (1/1) ... [2021-03-24 10:39:39,781 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-24 10:39:39,782 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-24 10:39:39,782 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-24 10:39:39,782 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-24 10:39:39,782 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:39:39" (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 10:39:39,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-24 10:39:39,859 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-24 10:39:39,860 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-24 10:39:39,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-24 10:39:39,860 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-03-24 10:39:39,860 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-03-24 10:39:39,861 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-03-24 10:39:39,861 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-03-24 10:39:39,861 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-03-24 10:39:39,861 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-03-24 10:39:39,861 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-03-24 10:39:39,862 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-03-24 10:39:39,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-24 10:39:39,862 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-24 10:39:39,862 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-24 10:39:39,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-24 10:39:39,864 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 10:39:41,657 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-24 10:39:41,657 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-03-24 10:39:41,659 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.03 10:39:41 BoogieIcfgContainer [2021-03-24 10:39:41,659 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-24 10:39:41,660 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-24 10:39:41,660 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-24 10:39:41,663 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-24 10:39:41,663 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.03 10:39:39" (1/3) ... [2021-03-24 10:39:41,664 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b85539c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.03 10:39:41, skipping insertion in model container [2021-03-24 10:39:41,664 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:39:39" (2/3) ... [2021-03-24 10:39:41,664 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b85539c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.03 10:39:41, skipping insertion in model container [2021-03-24 10:39:41,664 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.03 10:39:41" (3/3) ... [2021-03-24 10:39:41,665 INFO L111 eAbstractionObserver]: Analyzing ICFG mix008_pso.oepc.i [2021-03-24 10:39:41,671 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-24 10:39:41,675 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-03-24 10:39:41,676 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-24 10:39:41,712 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,712 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,712 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,713 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,713 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,713 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,713 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,713 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,713 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,713 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,714 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,714 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,714 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,714 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,714 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,714 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,715 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,715 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,715 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,715 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,715 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,715 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,715 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,716 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,716 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,716 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,716 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,716 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,716 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,717 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,717 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,717 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,717 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,717 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,718 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,718 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,718 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,718 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,718 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,718 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,718 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,719 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,719 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,719 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,719 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,719 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,719 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,719 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,719 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,720 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,720 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,720 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,720 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,720 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,720 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,720 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,721 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,721 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,721 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,721 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,722 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,722 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,722 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,722 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,722 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,722 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,722 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,722 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,723 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,723 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,723 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,723 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,723 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,723 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,723 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,724 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,724 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,724 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,724 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,724 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,724 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,725 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,725 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,725 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,725 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,726 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,726 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,726 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,726 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,726 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,726 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,726 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,727 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,727 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,727 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,727 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,727 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,727 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,727 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,728 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,728 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,728 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,728 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,728 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,728 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,728 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,728 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,728 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,729 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,729 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,729 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,729 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,729 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,729 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,729 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,729 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,729 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,729 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,730 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,730 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,730 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,730 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,730 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,730 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,730 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,730 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,730 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,730 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,731 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,731 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,731 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,731 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,733 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,733 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,733 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,733 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,733 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,733 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,734 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,734 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,734 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,734 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,734 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,734 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,734 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,734 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,734 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,734 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,735 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,735 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,735 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,735 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,735 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,735 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,735 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,735 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,735 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,735 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,735 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,736 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,736 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,736 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,736 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,736 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,736 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,736 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,736 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,736 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,737 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,737 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,739 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,739 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,739 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,739 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,739 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,739 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,739 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,740 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,740 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,740 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,740 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,740 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,740 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,740 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,741 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,741 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,741 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,741 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,743 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,743 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,743 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,744 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,744 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,744 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,744 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,744 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,744 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,744 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,744 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,745 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,745 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,745 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,745 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,745 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,745 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,745 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,745 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,746 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,746 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,746 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,746 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,746 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,746 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,746 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,746 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,746 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,747 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,747 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,747 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,747 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,747 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,749 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,749 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,749 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,749 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,749 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,750 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,750 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,750 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,750 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,750 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,750 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,750 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,751 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,752 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,752 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,752 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,752 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,752 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,752 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,752 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,752 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,753 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,754 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,754 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,754 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,754 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,754 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,754 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,754 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,755 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,755 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,755 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:39:41,756 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-24 10:39:41,771 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-03-24 10:39:41,798 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-24 10:39:41,798 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-24 10:39:41,798 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-24 10:39:41,798 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-24 10:39:41,798 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-24 10:39:41,798 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-24 10:39:41,798 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-24 10:39:41,798 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-24 10:39:41,810 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 130 places, 119 transitions, 258 flow [2021-03-24 10:39:41,859 INFO L129 PetriNetUnfolder]: 2/115 cut-off events. [2021-03-24 10:39:41,860 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-24 10:39:41,873 INFO L84 FinitePrefix]: Finished finitePrefix Result has 128 conditions, 115 events. 2/115 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 92 event pairs, 0 based on Foata normal form. 0/111 useless extension candidates. Maximal degree in co-relation 78. Up to 2 conditions per place. [2021-03-24 10:39:41,874 INFO L82 GeneralOperation]: Start removeDead. Operand has 130 places, 119 transitions, 258 flow [2021-03-24 10:39:41,881 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 126 places, 115 transitions, 242 flow [2021-03-24 10:39:41,882 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-24 10:39:41,889 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 126 places, 115 transitions, 242 flow [2021-03-24 10:39:41,893 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 126 places, 115 transitions, 242 flow [2021-03-24 10:39:41,896 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 126 places, 115 transitions, 242 flow [2021-03-24 10:39:41,942 INFO L129 PetriNetUnfolder]: 2/115 cut-off events. [2021-03-24 10:39:41,942 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-24 10:39:41,943 INFO L84 FinitePrefix]: Finished finitePrefix Result has 128 conditions, 115 events. 2/115 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 96 event pairs, 0 based on Foata normal form. 0/111 useless extension candidates. Maximal degree in co-relation 78. Up to 2 conditions per place. [2021-03-24 10:39:41,946 INFO L142 LiptonReduction]: Number of co-enabled transitions 2886 [2021-03-24 10:39:43,040 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2021-03-24 10:39:43,512 WARN L205 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 87 [2021-03-24 10:39:43,671 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-03-24 10:39:44,680 INFO L154 LiptonReduction]: Checked pairs total: 5838 [2021-03-24 10:39:44,680 INFO L156 LiptonReduction]: Total number of compositions: 74 [2021-03-24 10:39:44,682 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2801 [2021-03-24 10:39:44,696 INFO L129 PetriNetUnfolder]: 0/15 cut-off events. [2021-03-24 10:39:44,697 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-24 10:39:44,697 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 10:39:44,697 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 10:39:44,698 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 10:39:44,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 10:39:44,705 INFO L82 PathProgramCache]: Analyzing trace with hash -528227027, now seen corresponding path program 1 times [2021-03-24 10:39:44,712 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 10:39:44,713 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76033729] [2021-03-24 10:39:44,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 10:39:44,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 10:39:44,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:39:44,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 10:39:44,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:39:44,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 10:39:44,914 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 10:39:44,914 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76033729] [2021-03-24 10:39:44,915 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 10:39:44,915 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-24 10:39:44,915 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712255128] [2021-03-24 10:39:44,922 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-24 10:39:44,922 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 10:39:44,931 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-24 10:39:44,933 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-24 10:39:44,934 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 193 [2021-03-24 10:39:44,937 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 49 transitions, 110 flow. Second operand has 3 states, 3 states have (on average 170.66666666666666) internal successors, (512), 3 states have internal predecessors, (512), 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 10:39:44,937 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 10:39:44,937 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 193 [2021-03-24 10:39:44,938 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 10:39:45,068 INFO L129 PetriNetUnfolder]: 133/299 cut-off events. [2021-03-24 10:39:45,069 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-24 10:39:45,071 INFO L84 FinitePrefix]: Finished finitePrefix Result has 518 conditions, 299 events. 133/299 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 1437 event pairs, 110 based on Foata normal form. 33/316 useless extension candidates. Maximal degree in co-relation 496. Up to 153 conditions per place. [2021-03-24 10:39:45,074 INFO L132 encePairwiseOnDemand]: 189/193 looper letters, 11 selfloop transitions, 2 changer transitions 0/51 dead transitions. [2021-03-24 10:39:45,074 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 51 transitions, 140 flow [2021-03-24 10:39:45,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-24 10:39:45,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-24 10:39:45,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 526 transitions. [2021-03-24 10:39:45,093 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9084628670120898 [2021-03-24 10:39:45,093 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 526 transitions. [2021-03-24 10:39:45,094 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 526 transitions. [2021-03-24 10:39:45,097 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 10:39:45,098 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 526 transitions. [2021-03-24 10:39:45,103 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 175.33333333333334) internal successors, (526), 3 states have internal predecessors, (526), 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 10:39:45,110 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 193.0) internal successors, (772), 4 states have internal predecessors, (772), 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 10:39:45,110 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 193.0) internal successors, (772), 4 states have internal predecessors, (772), 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 10:39:45,112 INFO L185 Difference]: Start difference. First operand has 61 places, 49 transitions, 110 flow. Second operand 3 states and 526 transitions. [2021-03-24 10:39:45,112 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 51 transitions, 140 flow [2021-03-24 10:39:45,114 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 51 transitions, 136 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-03-24 10:39:45,116 INFO L241 Difference]: Finished difference. Result has 57 places, 46 transitions, 104 flow [2021-03-24 10:39:45,118 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=193, PETRI_DIFFERENCE_MINUEND_FLOW=100, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=104, PETRI_PLACES=57, PETRI_TRANSITIONS=46} [2021-03-24 10:39:45,118 INFO L343 CegarLoopForPetriNet]: 61 programPoint places, -4 predicate places. [2021-03-24 10:39:45,118 INFO L480 AbstractCegarLoop]: Abstraction has has 57 places, 46 transitions, 104 flow [2021-03-24 10:39:45,119 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 170.66666666666666) internal successors, (512), 3 states have internal predecessors, (512), 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 10:39:45,119 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 10:39:45,119 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 10:39:45,119 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-24 10:39:45,119 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 10:39:45,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 10:39:45,120 INFO L82 PathProgramCache]: Analyzing trace with hash -1909215087, now seen corresponding path program 1 times [2021-03-24 10:39:45,121 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 10:39:45,121 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115400867] [2021-03-24 10:39:45,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 10:39:45,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 10:39:45,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:39:45,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 10:39:45,285 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-03-24 10:39:45,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 10:39:45,298 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 10:39:45,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 10:39:45,302 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 10:39:45,302 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115400867] [2021-03-24 10:39:45,302 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 10:39:45,303 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-24 10:39:45,303 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575582142] [2021-03-24 10:39:45,304 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-24 10:39:45,304 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 10:39:45,304 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-24 10:39:45,304 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-24 10:39:45,306 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 155 out of 193 [2021-03-24 10:39:45,307 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 46 transitions, 104 flow. Second operand has 4 states, 4 states have (on average 156.25) internal successors, (625), 4 states have internal predecessors, (625), 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 10:39:45,307 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 10:39:45,307 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 155 of 193 [2021-03-24 10:39:45,307 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 10:39:45,742 INFO L129 PetriNetUnfolder]: 1325/2923 cut-off events. [2021-03-24 10:39:45,743 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-24 10:39:45,753 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4959 conditions, 2923 events. 1325/2923 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 340. Compared 24626 event pairs, 394 based on Foata normal form. 117/2874 useless extension candidates. Maximal degree in co-relation 4937. Up to 984 conditions per place. [2021-03-24 10:39:45,763 INFO L132 encePairwiseOnDemand]: 179/193 looper letters, 11 selfloop transitions, 11 changer transitions 22/73 dead transitions. [2021-03-24 10:39:45,764 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 73 transitions, 240 flow [2021-03-24 10:39:45,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-24 10:39:45,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-24 10:39:45,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 818 transitions. [2021-03-24 10:39:45,767 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8476683937823835 [2021-03-24 10:39:45,767 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 818 transitions. [2021-03-24 10:39:45,767 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 818 transitions. [2021-03-24 10:39:45,768 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 10:39:45,768 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 818 transitions. [2021-03-24 10:39:45,770 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 163.6) internal successors, (818), 5 states have internal predecessors, (818), 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 10:39:45,772 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 193.0) internal successors, (1158), 6 states have internal predecessors, (1158), 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 10:39:45,773 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 193.0) internal successors, (1158), 6 states have internal predecessors, (1158), 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 10:39:45,773 INFO L185 Difference]: Start difference. First operand has 57 places, 46 transitions, 104 flow. Second operand 5 states and 818 transitions. [2021-03-24 10:39:45,773 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 73 transitions, 240 flow [2021-03-24 10:39:45,774 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 73 transitions, 236 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-24 10:39:45,775 INFO L241 Difference]: Finished difference. Result has 63 places, 50 transitions, 190 flow [2021-03-24 10:39:45,776 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=193, PETRI_DIFFERENCE_MINUEND_FLOW=100, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=190, PETRI_PLACES=63, PETRI_TRANSITIONS=50} [2021-03-24 10:39:45,776 INFO L343 CegarLoopForPetriNet]: 61 programPoint places, 2 predicate places. [2021-03-24 10:39:45,776 INFO L480 AbstractCegarLoop]: Abstraction has has 63 places, 50 transitions, 190 flow [2021-03-24 10:39:45,777 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 156.25) internal successors, (625), 4 states have internal predecessors, (625), 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 10:39:45,777 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 10:39:45,777 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 10:39:45,777 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-24 10:39:45,777 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 10:39:45,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 10:39:45,778 INFO L82 PathProgramCache]: Analyzing trace with hash 887374370, now seen corresponding path program 1 times [2021-03-24 10:39:45,778 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 10:39:45,778 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618676373] [2021-03-24 10:39:45,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 10:39:45,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 10:39:45,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:39:45,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 10:39:45,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:39:45,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 10:39:45,893 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-03-24 10:39:45,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 10:39:45,910 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 10:39:45,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 10:39:45,915 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 10:39:45,915 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618676373] [2021-03-24 10:39:45,915 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 10:39:45,916 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-24 10:39:45,916 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932734379] [2021-03-24 10:39:45,919 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-24 10:39:45,919 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 10:39:45,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-24 10:39:45,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-24 10:39:45,921 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 155 out of 193 [2021-03-24 10:39:45,922 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 50 transitions, 190 flow. Second operand has 5 states, 5 states have (on average 156.2) internal successors, (781), 5 states have internal predecessors, (781), 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 10:39:45,922 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 10:39:45,922 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 155 of 193 [2021-03-24 10:39:45,922 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 10:39:46,198 INFO L129 PetriNetUnfolder]: 722/1652 cut-off events. [2021-03-24 10:39:46,198 INFO L130 PetriNetUnfolder]: For 1019/2025 co-relation queries the response was YES. [2021-03-24 10:39:46,203 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5015 conditions, 1652 events. 722/1652 cut-off events. For 1019/2025 co-relation queries the response was YES. Maximal size of possible extension queue 160. Compared 12173 event pairs, 168 based on Foata normal form. 110/1730 useless extension candidates. Maximal degree in co-relation 4985. Up to 750 conditions per place. [2021-03-24 10:39:46,246 INFO L132 encePairwiseOnDemand]: 180/193 looper letters, 19 selfloop transitions, 15 changer transitions 28/91 dead transitions. [2021-03-24 10:39:46,247 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 91 transitions, 558 flow [2021-03-24 10:39:46,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 10:39:46,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 10:39:46,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1139 transitions. [2021-03-24 10:39:46,250 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8430792005921539 [2021-03-24 10:39:46,250 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1139 transitions. [2021-03-24 10:39:46,250 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1139 transitions. [2021-03-24 10:39:46,251 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 10:39:46,251 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1139 transitions. [2021-03-24 10:39:46,253 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 162.71428571428572) internal successors, (1139), 7 states have internal predecessors, (1139), 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 10:39:46,255 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 193.0) internal successors, (1544), 8 states have internal predecessors, (1544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:39:46,256 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 193.0) internal successors, (1544), 8 states have internal predecessors, (1544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:39:46,256 INFO L185 Difference]: Start difference. First operand has 63 places, 50 transitions, 190 flow. Second operand 7 states and 1139 transitions. [2021-03-24 10:39:46,256 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 91 transitions, 558 flow [2021-03-24 10:39:46,265 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 91 transitions, 496 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-24 10:39:46,267 INFO L241 Difference]: Finished difference. Result has 67 places, 58 transitions, 296 flow [2021-03-24 10:39:46,267 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=193, PETRI_DIFFERENCE_MINUEND_FLOW=168, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=296, PETRI_PLACES=67, PETRI_TRANSITIONS=58} [2021-03-24 10:39:46,267 INFO L343 CegarLoopForPetriNet]: 61 programPoint places, 6 predicate places. [2021-03-24 10:39:46,267 INFO L480 AbstractCegarLoop]: Abstraction has has 67 places, 58 transitions, 296 flow [2021-03-24 10:39:46,268 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 156.2) internal successors, (781), 5 states have internal predecessors, (781), 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 10:39:46,268 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 10:39:46,268 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 10:39:46,268 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-24 10:39:46,269 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 10:39:46,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 10:39:46,269 INFO L82 PathProgramCache]: Analyzing trace with hash -1289662670, now seen corresponding path program 1 times [2021-03-24 10:39:46,269 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 10:39:46,269 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263817528] [2021-03-24 10:39:46,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 10:39:46,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 10:39:46,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:39:46,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 10:39:46,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:39:46,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 10:39:46,344 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-03-24 10:39:46,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 10:39:46,358 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 10:39:46,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 10:39:46,363 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 10:39:46,363 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263817528] [2021-03-24 10:39:46,363 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 10:39:46,363 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-24 10:39:46,363 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417288285] [2021-03-24 10:39:46,364 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-24 10:39:46,364 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 10:39:46,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-24 10:39:46,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-24 10:39:46,366 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 155 out of 193 [2021-03-24 10:39:46,366 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 58 transitions, 296 flow. Second operand has 5 states, 5 states have (on average 156.2) internal successors, (781), 5 states have internal predecessors, (781), 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 10:39:46,367 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 10:39:46,367 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 155 of 193 [2021-03-24 10:39:46,367 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 10:39:46,595 INFO L129 PetriNetUnfolder]: 549/1303 cut-off events. [2021-03-24 10:39:46,595 INFO L130 PetriNetUnfolder]: For 3162/4342 co-relation queries the response was YES. [2021-03-24 10:39:46,601 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4635 conditions, 1303 events. 549/1303 cut-off events. For 3162/4342 co-relation queries the response was YES. Maximal size of possible extension queue 121. Compared 9242 event pairs, 92 based on Foata normal form. 99/1375 useless extension candidates. Maximal degree in co-relation 4597. Up to 591 conditions per place. [2021-03-24 10:39:46,608 INFO L132 encePairwiseOnDemand]: 183/193 looper letters, 31 selfloop transitions, 9 changer transitions 27/96 dead transitions. [2021-03-24 10:39:46,608 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 96 transitions, 716 flow [2021-03-24 10:39:46,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 10:39:46,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 10:39:46,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1133 transitions. [2021-03-24 10:39:46,617 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8386380458919319 [2021-03-24 10:39:46,617 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1133 transitions. [2021-03-24 10:39:46,618 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1133 transitions. [2021-03-24 10:39:46,618 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 10:39:46,618 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1133 transitions. [2021-03-24 10:39:46,620 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 161.85714285714286) internal successors, (1133), 7 states have internal predecessors, (1133), 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 10:39:46,623 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 193.0) internal successors, (1544), 8 states have internal predecessors, (1544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:39:46,623 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 193.0) internal successors, (1544), 8 states have internal predecessors, (1544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:39:46,623 INFO L185 Difference]: Start difference. First operand has 67 places, 58 transitions, 296 flow. Second operand 7 states and 1133 transitions. [2021-03-24 10:39:46,624 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 96 transitions, 716 flow [2021-03-24 10:39:46,632 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 96 transitions, 704 flow, removed 6 selfloop flow, removed 0 redundant places. [2021-03-24 10:39:46,634 INFO L241 Difference]: Finished difference. Result has 76 places, 63 transitions, 394 flow [2021-03-24 10:39:46,634 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=193, PETRI_DIFFERENCE_MINUEND_FLOW=290, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=394, PETRI_PLACES=76, PETRI_TRANSITIONS=63} [2021-03-24 10:39:46,635 INFO L343 CegarLoopForPetriNet]: 61 programPoint places, 15 predicate places. [2021-03-24 10:39:46,635 INFO L480 AbstractCegarLoop]: Abstraction has has 76 places, 63 transitions, 394 flow [2021-03-24 10:39:46,636 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 156.2) internal successors, (781), 5 states have internal predecessors, (781), 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 10:39:46,636 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 10:39:46,636 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 10:39:46,636 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-24 10:39:46,636 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 10:39:46,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 10:39:46,636 INFO L82 PathProgramCache]: Analyzing trace with hash -2123271009, now seen corresponding path program 1 times [2021-03-24 10:39:46,637 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 10:39:46,637 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698359464] [2021-03-24 10:39:46,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 10:39:46,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 10:39:46,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:39:46,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 10:39:46,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:39:46,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 10:39:46,705 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-03-24 10:39:46,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 10:39:46,723 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 10:39:46,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 10:39:46,730 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 10:39:46,730 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698359464] [2021-03-24 10:39:46,730 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 10:39:46,730 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-24 10:39:46,731 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991788987] [2021-03-24 10:39:46,731 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-24 10:39:46,731 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 10:39:46,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-24 10:39:46,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-24 10:39:46,733 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 155 out of 193 [2021-03-24 10:39:46,733 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 63 transitions, 394 flow. Second operand has 5 states, 5 states have (on average 156.4) internal successors, (782), 5 states have internal predecessors, (782), 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 10:39:46,734 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 10:39:46,734 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 155 of 193 [2021-03-24 10:39:46,734 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 10:39:46,938 INFO L129 PetriNetUnfolder]: 392/986 cut-off events. [2021-03-24 10:39:46,938 INFO L130 PetriNetUnfolder]: For 3825/5028 co-relation queries the response was YES. [2021-03-24 10:39:46,944 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4066 conditions, 986 events. 392/986 cut-off events. For 3825/5028 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 6515 event pairs, 28 based on Foata normal form. 61/1025 useless extension candidates. Maximal degree in co-relation 4020. Up to 429 conditions per place. [2021-03-24 10:39:46,950 INFO L132 encePairwiseOnDemand]: 182/193 looper letters, 34 selfloop transitions, 21 changer transitions 21/105 dead transitions. [2021-03-24 10:39:46,950 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 105 transitions, 950 flow [2021-03-24 10:39:46,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 10:39:46,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 10:39:46,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1131 transitions. [2021-03-24 10:39:46,954 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8371576609918578 [2021-03-24 10:39:46,954 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1131 transitions. [2021-03-24 10:39:46,954 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1131 transitions. [2021-03-24 10:39:46,954 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 10:39:46,955 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1131 transitions. [2021-03-24 10:39:46,956 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 161.57142857142858) internal successors, (1131), 7 states have internal predecessors, (1131), 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 10:39:46,958 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 193.0) internal successors, (1544), 8 states have internal predecessors, (1544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:39:46,959 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 193.0) internal successors, (1544), 8 states have internal predecessors, (1544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:39:46,959 INFO L185 Difference]: Start difference. First operand has 76 places, 63 transitions, 394 flow. Second operand 7 states and 1131 transitions. [2021-03-24 10:39:46,959 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 105 transitions, 950 flow [2021-03-24 10:39:46,969 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 105 transitions, 909 flow, removed 18 selfloop flow, removed 5 redundant places. [2021-03-24 10:39:46,973 INFO L241 Difference]: Finished difference. Result has 80 places, 76 transitions, 630 flow [2021-03-24 10:39:46,973 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=193, PETRI_DIFFERENCE_MINUEND_FLOW=373, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=630, PETRI_PLACES=80, PETRI_TRANSITIONS=76} [2021-03-24 10:39:46,973 INFO L343 CegarLoopForPetriNet]: 61 programPoint places, 19 predicate places. [2021-03-24 10:39:46,973 INFO L480 AbstractCegarLoop]: Abstraction has has 80 places, 76 transitions, 630 flow [2021-03-24 10:39:46,974 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 156.4) internal successors, (782), 5 states have internal predecessors, (782), 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 10:39:46,974 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 10:39:46,974 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 10:39:46,974 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-24 10:39:46,974 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 10:39:46,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 10:39:46,975 INFO L82 PathProgramCache]: Analyzing trace with hash -353515992, now seen corresponding path program 1 times [2021-03-24 10:39:46,975 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 10:39:46,976 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302914365] [2021-03-24 10:39:46,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 10:39:46,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 10:39:47,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:39:47,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 10:39:47,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:39:47,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 10:39:47,032 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-03-24 10:39:47,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 10:39:47,046 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 10:39:47,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 10:39:47,051 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 10:39:47,051 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302914365] [2021-03-24 10:39:47,051 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 10:39:47,051 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-24 10:39:47,051 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167489276] [2021-03-24 10:39:47,052 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-24 10:39:47,052 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 10:39:47,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-24 10:39:47,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-24 10:39:47,053 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 155 out of 193 [2021-03-24 10:39:47,054 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 76 transitions, 630 flow. Second operand has 5 states, 5 states have (on average 156.6) internal successors, (783), 5 states have internal predecessors, (783), 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 10:39:47,054 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 10:39:47,054 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 155 of 193 [2021-03-24 10:39:47,054 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 10:39:47,278 INFO L129 PetriNetUnfolder]: 313/820 cut-off events. [2021-03-24 10:39:47,279 INFO L130 PetriNetUnfolder]: For 3828/5168 co-relation queries the response was YES. [2021-03-24 10:39:47,283 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3803 conditions, 820 events. 313/820 cut-off events. For 3828/5168 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 5209 event pairs, 67 based on Foata normal form. 52/862 useless extension candidates. Maximal degree in co-relation 3754. Up to 342 conditions per place. [2021-03-24 10:39:47,289 INFO L132 encePairwiseOnDemand]: 180/193 looper letters, 20 selfloop transitions, 43 changer transitions 15/107 dead transitions. [2021-03-24 10:39:47,289 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 107 transitions, 1107 flow [2021-03-24 10:39:47,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 10:39:47,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 10:39:47,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1132 transitions. [2021-03-24 10:39:47,293 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8378978534418949 [2021-03-24 10:39:47,293 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1132 transitions. [2021-03-24 10:39:47,293 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1132 transitions. [2021-03-24 10:39:47,294 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 10:39:47,294 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1132 transitions. [2021-03-24 10:39:47,296 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 161.71428571428572) internal successors, (1132), 7 states have internal predecessors, (1132), 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 10:39:47,298 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 193.0) internal successors, (1544), 8 states have internal predecessors, (1544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:39:47,299 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 193.0) internal successors, (1544), 8 states have internal predecessors, (1544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:39:47,299 INFO L185 Difference]: Start difference. First operand has 80 places, 76 transitions, 630 flow. Second operand 7 states and 1132 transitions. [2021-03-24 10:39:47,299 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 107 transitions, 1107 flow [2021-03-24 10:39:47,310 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 107 transitions, 1068 flow, removed 16 selfloop flow, removed 4 redundant places. [2021-03-24 10:39:47,312 INFO L241 Difference]: Finished difference. Result has 84 places, 86 transitions, 863 flow [2021-03-24 10:39:47,312 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=193, PETRI_DIFFERENCE_MINUEND_FLOW=603, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=76, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=863, PETRI_PLACES=84, PETRI_TRANSITIONS=86} [2021-03-24 10:39:47,313 INFO L343 CegarLoopForPetriNet]: 61 programPoint places, 23 predicate places. [2021-03-24 10:39:47,313 INFO L480 AbstractCegarLoop]: Abstraction has has 84 places, 86 transitions, 863 flow [2021-03-24 10:39:47,313 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 156.6) internal successors, (783), 5 states have internal predecessors, (783), 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 10:39:47,313 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 10:39:47,313 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 10:39:47,314 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-24 10:39:47,314 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 10:39:47,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 10:39:47,314 INFO L82 PathProgramCache]: Analyzing trace with hash -790083937, now seen corresponding path program 1 times [2021-03-24 10:39:47,314 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 10:39:47,315 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932673591] [2021-03-24 10:39:47,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 10:39:47,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 10:39:47,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:39:47,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 10:39:47,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:39:47,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 10:39:47,409 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-24 10:39:47,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 10:39:47,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:39:47,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 10:39:47,419 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 10:39:47,419 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932673591] [2021-03-24 10:39:47,419 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 10:39:47,419 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-24 10:39:47,419 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908071341] [2021-03-24 10:39:47,420 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-24 10:39:47,420 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 10:39:47,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-24 10:39:47,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-03-24 10:39:47,421 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 193 [2021-03-24 10:39:47,422 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 86 transitions, 863 flow. Second operand has 5 states, 5 states have (on average 160.8) internal successors, (804), 5 states have internal predecessors, (804), 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 10:39:47,422 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 10:39:47,422 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 193 [2021-03-24 10:39:47,423 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 10:39:47,902 INFO L129 PetriNetUnfolder]: 1606/3184 cut-off events. [2021-03-24 10:39:47,902 INFO L130 PetriNetUnfolder]: For 5085/5566 co-relation queries the response was YES. [2021-03-24 10:39:47,928 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8660 conditions, 3184 events. 1606/3184 cut-off events. For 5085/5566 co-relation queries the response was YES. Maximal size of possible extension queue 503. Compared 26820 event pairs, 574 based on Foata normal form. 204/3154 useless extension candidates. Maximal degree in co-relation 8607. Up to 1626 conditions per place. [2021-03-24 10:39:47,951 INFO L132 encePairwiseOnDemand]: 185/193 looper letters, 15 selfloop transitions, 16 changer transitions 0/109 dead transitions. [2021-03-24 10:39:47,951 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 109 transitions, 971 flow [2021-03-24 10:39:47,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 10:39:47,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 10:39:47,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1153 transitions. [2021-03-24 10:39:47,954 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8534418948926721 [2021-03-24 10:39:47,954 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1153 transitions. [2021-03-24 10:39:47,954 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1153 transitions. [2021-03-24 10:39:47,955 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 10:39:47,955 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1153 transitions. [2021-03-24 10:39:47,957 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 164.71428571428572) internal successors, (1153), 7 states have internal predecessors, (1153), 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 10:39:47,960 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 193.0) internal successors, (1544), 8 states have internal predecessors, (1544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:39:47,961 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 193.0) internal successors, (1544), 8 states have internal predecessors, (1544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:39:47,961 INFO L185 Difference]: Start difference. First operand has 84 places, 86 transitions, 863 flow. Second operand 7 states and 1153 transitions. [2021-03-24 10:39:47,961 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 109 transitions, 971 flow [2021-03-24 10:39:47,978 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 109 transitions, 951 flow, removed 10 selfloop flow, removed 5 redundant places. [2021-03-24 10:39:47,981 INFO L241 Difference]: Finished difference. Result has 86 places, 101 transitions, 959 flow [2021-03-24 10:39:47,982 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=193, PETRI_DIFFERENCE_MINUEND_FLOW=843, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=86, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=79, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=959, PETRI_PLACES=86, PETRI_TRANSITIONS=101} [2021-03-24 10:39:47,982 INFO L343 CegarLoopForPetriNet]: 61 programPoint places, 25 predicate places. [2021-03-24 10:39:47,982 INFO L480 AbstractCegarLoop]: Abstraction has has 86 places, 101 transitions, 959 flow [2021-03-24 10:39:47,982 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 160.8) internal successors, (804), 5 states have internal predecessors, (804), 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 10:39:47,982 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 10:39:47,983 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 10:39:47,983 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-24 10:39:47,983 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 10:39:47,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 10:39:47,983 INFO L82 PathProgramCache]: Analyzing trace with hash 40837435, now seen corresponding path program 1 times [2021-03-24 10:39:47,983 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 10:39:47,983 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597973983] [2021-03-24 10:39:47,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 10:39:48,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 10:39:48,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:39:48,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 10:39:48,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:39:48,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 10:39:48,038 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 10:39:48,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 10:39:48,042 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 10:39:48,042 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597973983] [2021-03-24 10:39:48,042 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 10:39:48,043 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-24 10:39:48,043 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511848054] [2021-03-24 10:39:48,043 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-24 10:39:48,043 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 10:39:48,044 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-24 10:39:48,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-24 10:39:48,044 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 171 out of 193 [2021-03-24 10:39:48,045 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 101 transitions, 959 flow. Second operand has 4 states, 4 states have (on average 172.0) internal successors, (688), 4 states have internal predecessors, (688), 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 10:39:48,045 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 10:39:48,045 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 171 of 193 [2021-03-24 10:39:48,045 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 10:39:48,554 INFO L129 PetriNetUnfolder]: 1913/4169 cut-off events. [2021-03-24 10:39:48,554 INFO L130 PetriNetUnfolder]: For 12497/14660 co-relation queries the response was YES. [2021-03-24 10:39:48,593 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16104 conditions, 4169 events. 1913/4169 cut-off events. For 12497/14660 co-relation queries the response was YES. Maximal size of possible extension queue 616. Compared 38790 event pairs, 737 based on Foata normal form. 136/3911 useless extension candidates. Maximal degree in co-relation 16050. Up to 2419 conditions per place. [2021-03-24 10:39:48,617 INFO L132 encePairwiseOnDemand]: 189/193 looper letters, 6 selfloop transitions, 21 changer transitions 1/104 dead transitions. [2021-03-24 10:39:48,617 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 104 transitions, 1041 flow [2021-03-24 10:39:48,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-24 10:39:48,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-24 10:39:48,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 866 transitions. [2021-03-24 10:39:48,619 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8974093264248705 [2021-03-24 10:39:48,619 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 866 transitions. [2021-03-24 10:39:48,620 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 866 transitions. [2021-03-24 10:39:48,620 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 10:39:48,620 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 866 transitions. [2021-03-24 10:39:48,622 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 173.2) internal successors, (866), 5 states have internal predecessors, (866), 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 10:39:48,624 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 193.0) internal successors, (1158), 6 states have internal predecessors, (1158), 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 10:39:48,624 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 193.0) internal successors, (1158), 6 states have internal predecessors, (1158), 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 10:39:48,624 INFO L185 Difference]: Start difference. First operand has 86 places, 101 transitions, 959 flow. Second operand 5 states and 866 transitions. [2021-03-24 10:39:48,625 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 104 transitions, 1041 flow [2021-03-24 10:39:48,681 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 104 transitions, 1039 flow, removed 1 selfloop flow, removed 0 redundant places. [2021-03-24 10:39:48,683 INFO L241 Difference]: Finished difference. Result has 93 places, 102 transitions, 1037 flow [2021-03-24 10:39:48,683 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=193, PETRI_DIFFERENCE_MINUEND_FLOW=957, PETRI_DIFFERENCE_MINUEND_PLACES=86, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=101, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=81, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1037, PETRI_PLACES=93, PETRI_TRANSITIONS=102} [2021-03-24 10:39:48,683 INFO L343 CegarLoopForPetriNet]: 61 programPoint places, 32 predicate places. [2021-03-24 10:39:48,683 INFO L480 AbstractCegarLoop]: Abstraction has has 93 places, 102 transitions, 1037 flow [2021-03-24 10:39:48,683 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 172.0) internal successors, (688), 4 states have internal predecessors, (688), 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 10:39:48,684 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 10:39:48,684 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 10:39:48,684 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-24 10:39:48,684 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 10:39:48,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 10:39:48,684 INFO L82 PathProgramCache]: Analyzing trace with hash 1886598872, now seen corresponding path program 1 times [2021-03-24 10:39:48,684 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 10:39:48,685 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915085172] [2021-03-24 10:39:48,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 10:39:48,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 10:39:48,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:39:48,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 10:39:48,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:39:48,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 10:39:48,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:39:48,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 10:39:48,748 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-24 10:39:48,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 10:39:48,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:39:48,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 10:39:48,757 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 10:39:48,757 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915085172] [2021-03-24 10:39:48,757 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 10:39:48,757 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-24 10:39:48,757 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779784727] [2021-03-24 10:39:48,758 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-24 10:39:48,758 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 10:39:48,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-24 10:39:48,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-03-24 10:39:48,759 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 193 [2021-03-24 10:39:48,760 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 102 transitions, 1037 flow. Second operand has 6 states, 6 states have (on average 160.83333333333334) internal successors, (965), 6 states have internal predecessors, (965), 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 10:39:48,760 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 10:39:48,760 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 193 [2021-03-24 10:39:48,760 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 10:39:49,455 INFO L129 PetriNetUnfolder]: 2117/4390 cut-off events. [2021-03-24 10:39:49,455 INFO L130 PetriNetUnfolder]: For 15156/22666 co-relation queries the response was YES. [2021-03-24 10:39:49,495 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19700 conditions, 4390 events. 2117/4390 cut-off events. For 15156/22666 co-relation queries the response was YES. Maximal size of possible extension queue 693. Compared 40179 event pairs, 249 based on Foata normal form. 1799/5886 useless extension candidates. Maximal degree in co-relation 19642. Up to 2656 conditions per place. [2021-03-24 10:39:49,523 INFO L132 encePairwiseOnDemand]: 185/193 looper letters, 15 selfloop transitions, 32 changer transitions 0/126 dead transitions. [2021-03-24 10:39:49,523 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 126 transitions, 1308 flow [2021-03-24 10:39:49,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-24 10:39:49,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-24 10:39:49,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1647 transitions. [2021-03-24 10:39:49,527 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8533678756476684 [2021-03-24 10:39:49,527 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1647 transitions. [2021-03-24 10:39:49,527 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1647 transitions. [2021-03-24 10:39:49,528 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 10:39:49,528 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1647 transitions. [2021-03-24 10:39:49,531 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 164.7) internal successors, (1647), 10 states have internal predecessors, (1647), 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 10:39:49,534 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 193.0) internal successors, (2123), 11 states have internal predecessors, (2123), 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 10:39:49,535 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 193.0) internal successors, (2123), 11 states have internal predecessors, (2123), 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 10:39:49,535 INFO L185 Difference]: Start difference. First operand has 93 places, 102 transitions, 1037 flow. Second operand 10 states and 1647 transitions. [2021-03-24 10:39:49,535 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 126 transitions, 1308 flow [2021-03-24 10:39:49,575 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 126 transitions, 1283 flow, removed 3 selfloop flow, removed 1 redundant places. [2021-03-24 10:39:49,577 INFO L241 Difference]: Finished difference. Result has 105 places, 118 transitions, 1257 flow [2021-03-24 10:39:49,578 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=193, PETRI_DIFFERENCE_MINUEND_FLOW=1012, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=102, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1257, PETRI_PLACES=105, PETRI_TRANSITIONS=118} [2021-03-24 10:39:49,578 INFO L343 CegarLoopForPetriNet]: 61 programPoint places, 44 predicate places. [2021-03-24 10:39:49,578 INFO L480 AbstractCegarLoop]: Abstraction has has 105 places, 118 transitions, 1257 flow [2021-03-24 10:39:49,578 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 160.83333333333334) internal successors, (965), 6 states have internal predecessors, (965), 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 10:39:49,578 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 10:39:49,579 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, 1] [2021-03-24 10:39:49,579 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-24 10:39:49,579 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 10:39:49,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 10:39:49,579 INFO L82 PathProgramCache]: Analyzing trace with hash -1049517405, now seen corresponding path program 1 times [2021-03-24 10:39:49,579 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 10:39:49,580 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028439874] [2021-03-24 10:39:49,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 10:39:49,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 10:39:49,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:39:49,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 10:39:49,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:39:49,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 10:39:49,671 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-03-24 10:39:49,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 10:39:49,685 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 10:39:49,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 10:39:49,692 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 10:39:49,692 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028439874] [2021-03-24 10:39:49,692 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 10:39:49,692 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-24 10:39:49,692 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288661497] [2021-03-24 10:39:49,693 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-24 10:39:49,693 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 10:39:49,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-24 10:39:49,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-03-24 10:39:49,695 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 150 out of 193 [2021-03-24 10:39:49,696 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 118 transitions, 1257 flow. Second operand has 5 states, 5 states have (on average 152.6) internal successors, (763), 5 states have internal predecessors, (763), 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 10:39:49,696 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 10:39:49,696 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 150 of 193 [2021-03-24 10:39:49,696 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 10:39:50,486 INFO L129 PetriNetUnfolder]: 2507/5629 cut-off events. [2021-03-24 10:39:50,487 INFO L130 PetriNetUnfolder]: For 37235/49764 co-relation queries the response was YES. [2021-03-24 10:39:50,557 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31036 conditions, 5629 events. 2507/5629 cut-off events. For 37235/49764 co-relation queries the response was YES. Maximal size of possible extension queue 946. Compared 56133 event pairs, 214 based on Foata normal form. 235/5406 useless extension candidates. Maximal degree in co-relation 30970. Up to 3357 conditions per place. [2021-03-24 10:39:50,596 INFO L132 encePairwiseOnDemand]: 179/193 looper letters, 37 selfloop transitions, 70 changer transitions 3/168 dead transitions. [2021-03-24 10:39:50,597 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 111 places, 168 transitions, 2146 flow [2021-03-24 10:39:50,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 10:39:50,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 10:39:50,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1098 transitions. [2021-03-24 10:39:50,599 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8127313101406366 [2021-03-24 10:39:50,599 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1098 transitions. [2021-03-24 10:39:50,600 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1098 transitions. [2021-03-24 10:39:50,600 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 10:39:50,600 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1098 transitions. [2021-03-24 10:39:50,602 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 156.85714285714286) internal successors, (1098), 7 states have internal predecessors, (1098), 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 10:39:50,604 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 193.0) internal successors, (1544), 8 states have internal predecessors, (1544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:39:50,605 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 193.0) internal successors, (1544), 8 states have internal predecessors, (1544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:39:50,605 INFO L185 Difference]: Start difference. First operand has 105 places, 118 transitions, 1257 flow. Second operand 7 states and 1098 transitions. [2021-03-24 10:39:50,605 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 111 places, 168 transitions, 2146 flow [2021-03-24 10:39:51,195 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 108 places, 168 transitions, 2053 flow, removed 38 selfloop flow, removed 3 redundant places. [2021-03-24 10:39:51,198 INFO L241 Difference]: Finished difference. Result has 113 places, 153 transitions, 1962 flow [2021-03-24 10:39:51,198 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=193, PETRI_DIFFERENCE_MINUEND_FLOW=1164, PETRI_DIFFERENCE_MINUEND_PLACES=102, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=118, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=40, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=68, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1962, PETRI_PLACES=113, PETRI_TRANSITIONS=153} [2021-03-24 10:39:51,198 INFO L343 CegarLoopForPetriNet]: 61 programPoint places, 52 predicate places. [2021-03-24 10:39:51,198 INFO L480 AbstractCegarLoop]: Abstraction has has 113 places, 153 transitions, 1962 flow [2021-03-24 10:39:51,199 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 152.6) internal successors, (763), 5 states have internal predecessors, (763), 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 10:39:51,199 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 10:39:51,199 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, 1] [2021-03-24 10:39:51,199 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-24 10:39:51,199 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 10:39:51,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 10:39:51,200 INFO L82 PathProgramCache]: Analyzing trace with hash -1030850213, now seen corresponding path program 2 times [2021-03-24 10:39:51,200 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 10:39:51,200 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806239820] [2021-03-24 10:39:51,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 10:39:51,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 10:39:51,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:39:51,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 10:39:51,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:39:51,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 10:39:51,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:39:51,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 10:39:51,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:39:51,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 10:39:51,263 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-24 10:39:51,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 10:39:51,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:39:51,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 10:39:51,273 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 10:39:51,273 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806239820] [2021-03-24 10:39:51,273 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 10:39:51,273 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-24 10:39:51,273 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60369206] [2021-03-24 10:39:51,273 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 10:39:51,273 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 10:39:51,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 10:39:51,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-03-24 10:39:51,275 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 193 [2021-03-24 10:39:51,276 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 153 transitions, 1962 flow. Second operand has 7 states, 7 states have (on average 160.85714285714286) internal successors, (1126), 7 states have internal predecessors, (1126), 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 10:39:51,276 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 10:39:51,276 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 193 [2021-03-24 10:39:51,276 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 10:39:52,116 INFO L129 PetriNetUnfolder]: 2543/5265 cut-off events. [2021-03-24 10:39:52,117 INFO L130 PetriNetUnfolder]: For 40341/56807 co-relation queries the response was YES. [2021-03-24 10:39:52,162 INFO L84 FinitePrefix]: Finished finitePrefix Result has 28512 conditions, 5265 events. 2543/5265 cut-off events. For 40341/56807 co-relation queries the response was YES. Maximal size of possible extension queue 930. Compared 49754 event pairs, 43 based on Foata normal form. 3656/8516 useless extension candidates. Maximal degree in co-relation 28440. Up to 2218 conditions per place. [2021-03-24 10:39:52,197 INFO L132 encePairwiseOnDemand]: 185/193 looper letters, 7 selfloop transitions, 49 changer transitions 15/176 dead transitions. [2021-03-24 10:39:52,197 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 176 transitions, 2362 flow [2021-03-24 10:39:52,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-24 10:39:52,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-24 10:39:52,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 2141 transitions. [2021-03-24 10:39:52,202 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.853328019131128 [2021-03-24 10:39:52,202 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 2141 transitions. [2021-03-24 10:39:52,202 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 2141 transitions. [2021-03-24 10:39:52,203 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 10:39:52,203 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 2141 transitions. [2021-03-24 10:39:52,207 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 164.69230769230768) internal successors, (2141), 13 states have internal predecessors, (2141), 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 10:39:52,211 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 193.0) internal successors, (2702), 14 states have internal predecessors, (2702), 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 10:39:52,212 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 193.0) internal successors, (2702), 14 states have internal predecessors, (2702), 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 10:39:52,212 INFO L185 Difference]: Start difference. First operand has 113 places, 153 transitions, 1962 flow. Second operand 13 states and 2141 transitions. [2021-03-24 10:39:52,212 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 125 places, 176 transitions, 2362 flow [2021-03-24 10:39:52,655 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 176 transitions, 2338 flow, removed 12 selfloop flow, removed 0 redundant places. [2021-03-24 10:39:52,660 INFO L241 Difference]: Finished difference. Result has 128 places, 161 transitions, 2132 flow [2021-03-24 10:39:52,661 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=193, PETRI_DIFFERENCE_MINUEND_FLOW=1901, PETRI_DIFFERENCE_MINUEND_PLACES=113, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=151, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=37, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=2132, PETRI_PLACES=128, PETRI_TRANSITIONS=161} [2021-03-24 10:39:52,661 INFO L343 CegarLoopForPetriNet]: 61 programPoint places, 67 predicate places. [2021-03-24 10:39:52,661 INFO L480 AbstractCegarLoop]: Abstraction has has 128 places, 161 transitions, 2132 flow [2021-03-24 10:39:52,661 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 160.85714285714286) internal successors, (1126), 7 states have internal predecessors, (1126), 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 10:39:52,661 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 10:39:52,662 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, 1, 1, 1, 1] [2021-03-24 10:39:52,662 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-24 10:39:52,662 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 10:39:52,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 10:39:52,662 INFO L82 PathProgramCache]: Analyzing trace with hash -567737919, now seen corresponding path program 1 times [2021-03-24 10:39:52,662 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 10:39:52,664 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511017920] [2021-03-24 10:39:52,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 10:39:52,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 10:39:52,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:39:52,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 10:39:52,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:39:52,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 10:39:52,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:39:52,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 10:39:52,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:39:52,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 10:39:52,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:39:52,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 10:39:52,796 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-24 10:39:52,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 10:39:52,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:39:52,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 10:39:52,810 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 10:39:52,810 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511017920] [2021-03-24 10:39:52,810 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 10:39:52,811 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 10:39:52,811 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886423269] [2021-03-24 10:39:52,811 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-24 10:39:52,811 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 10:39:52,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-24 10:39:52,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-03-24 10:39:52,813 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 193 [2021-03-24 10:39:52,826 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 128 places, 161 transitions, 2132 flow. Second operand has 8 states, 8 states have (on average 160.875) internal successors, (1287), 8 states have internal predecessors, (1287), 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 10:39:52,826 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 10:39:52,826 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 193 [2021-03-24 10:39:52,826 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 10:39:53,664 INFO L129 PetriNetUnfolder]: 2381/4944 cut-off events. [2021-03-24 10:39:53,664 INFO L130 PetriNetUnfolder]: For 43525/62222 co-relation queries the response was YES. [2021-03-24 10:39:53,722 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31286 conditions, 4944 events. 2381/4944 cut-off events. For 43525/62222 co-relation queries the response was YES. Maximal size of possible extension queue 930. Compared 47220 event pairs, 19 based on Foata normal form. 3260/7797 useless extension candidates. Maximal degree in co-relation 31240. Up to 2036 conditions per place. [2021-03-24 10:39:53,741 INFO L132 encePairwiseOnDemand]: 185/193 looper letters, 3 selfloop transitions, 55 changer transitions 23/172 dead transitions. [2021-03-24 10:39:53,741 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 139 places, 172 transitions, 2414 flow [2021-03-24 10:39:53,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-24 10:39:53,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-24 10:39:53,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 2623 transitions. [2021-03-24 10:39:53,747 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8494170984455959 [2021-03-24 10:39:53,748 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 2623 transitions. [2021-03-24 10:39:53,748 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 2623 transitions. [2021-03-24 10:39:53,749 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 10:39:53,749 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 2623 transitions. [2021-03-24 10:39:53,754 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 163.9375) internal successors, (2623), 16 states have internal predecessors, (2623), 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 10:39:53,759 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 193.0) internal successors, (3281), 17 states have internal predecessors, (3281), 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 10:39:53,759 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 193.0) internal successors, (3281), 17 states have internal predecessors, (3281), 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 10:39:53,760 INFO L185 Difference]: Start difference. First operand has 128 places, 161 transitions, 2132 flow. Second operand 16 states and 2623 transitions. [2021-03-24 10:39:53,760 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 139 places, 172 transitions, 2414 flow [2021-03-24 10:39:55,209 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 172 transitions, 2102 flow, removed 118 selfloop flow, removed 15 redundant places. [2021-03-24 10:39:55,212 INFO L241 Difference]: Finished difference. Result has 129 places, 149 transitions, 1768 flow [2021-03-24 10:39:55,212 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=193, PETRI_DIFFERENCE_MINUEND_FLOW=1856, PETRI_DIFFERENCE_MINUEND_PLACES=109, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=161, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=53, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=106, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=1768, PETRI_PLACES=129, PETRI_TRANSITIONS=149} [2021-03-24 10:39:55,212 INFO L343 CegarLoopForPetriNet]: 61 programPoint places, 68 predicate places. [2021-03-24 10:39:55,212 INFO L480 AbstractCegarLoop]: Abstraction has has 129 places, 149 transitions, 1768 flow [2021-03-24 10:39:55,213 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 160.875) internal successors, (1287), 8 states have internal predecessors, (1287), 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 10:39:55,213 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 10:39:55,213 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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 10:39:55,213 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-03-24 10:39:55,213 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 10:39:55,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 10:39:55,215 INFO L82 PathProgramCache]: Analyzing trace with hash 1796461332, now seen corresponding path program 1 times [2021-03-24 10:39:55,215 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 10:39:55,215 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710520489] [2021-03-24 10:39:55,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 10:39:55,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-24 10:39:55,305 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-24 10:39:55,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-24 10:39:55,364 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-24 10:39:55,411 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-24 10:39:55,411 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-03-24 10:39:55,411 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-03-24 10:39:55,548 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.03 10:39:55 BasicIcfg [2021-03-24 10:39:55,548 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-24 10:39:55,551 INFO L168 Benchmark]: Toolchain (without parser) took 16491.22 ms. Allocated memory was 255.9 MB in the beginning and 895.5 MB in the end (delta: 639.6 MB). Free memory was 230.1 MB in the beginning and 655.5 MB in the end (delta: -425.5 MB). Peak memory consumption was 212.5 MB. Max. memory is 16.0 GB. [2021-03-24 10:39:55,551 INFO L168 Benchmark]: CDTParser took 0.98 ms. Allocated memory is still 255.9 MB. Free memory is still 238.1 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-24 10:39:55,551 INFO L168 Benchmark]: CACSL2BoogieTranslator took 590.80 ms. Allocated memory was 255.9 MB in the beginning and 411.0 MB in the end (delta: 155.2 MB). Free memory was 230.1 MB in the beginning and 369.8 MB in the end (delta: -139.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. [2021-03-24 10:39:55,551 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.39 ms. Allocated memory is still 411.0 MB. Free memory was 369.8 MB in the beginning and 367.3 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-24 10:39:55,552 INFO L168 Benchmark]: Boogie Preprocessor took 59.08 ms. Allocated memory is still 411.0 MB. Free memory was 367.3 MB in the beginning and 365.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-24 10:39:55,552 INFO L168 Benchmark]: RCFGBuilder took 1877.54 ms. Allocated memory is still 411.0 MB. Free memory was 364.8 MB in the beginning and 302.9 MB in the end (delta: 61.9 MB). Peak memory consumption was 63.3 MB. Max. memory is 16.0 GB. [2021-03-24 10:39:55,555 INFO L168 Benchmark]: TraceAbstraction took 13887.66 ms. Allocated memory was 411.0 MB in the beginning and 895.5 MB in the end (delta: 484.4 MB). Free memory was 302.9 MB in the beginning and 655.5 MB in the end (delta: -352.6 MB). Peak memory consumption was 130.8 MB. Max. memory is 16.0 GB. [2021-03-24 10:39:55,559 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.98 ms. Allocated memory is still 255.9 MB. Free memory is still 238.1 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 590.80 ms. Allocated memory was 255.9 MB in the beginning and 411.0 MB in the end (delta: 155.2 MB). Free memory was 230.1 MB in the beginning and 369.8 MB in the end (delta: -139.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 70.39 ms. Allocated memory is still 411.0 MB. Free memory was 369.8 MB in the beginning and 367.3 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 59.08 ms. Allocated memory is still 411.0 MB. Free memory was 367.3 MB in the beginning and 365.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 1877.54 ms. Allocated memory is still 411.0 MB. Free memory was 364.8 MB in the beginning and 302.9 MB in the end (delta: 61.9 MB). Peak memory consumption was 63.3 MB. Max. memory is 16.0 GB. * TraceAbstraction took 13887.66 ms. Allocated memory was 411.0 MB in the beginning and 895.5 MB in the end (delta: 484.4 MB). Free memory was 302.9 MB in the beginning and 655.5 MB in the end (delta: -352.6 MB). Peak memory consumption was 130.8 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2786.7ms, 126 PlacesBefore, 61 PlacesAfterwards, 115 TransitionsBefore, 49 TransitionsAfterwards, 2886 CoEnabledTransitionPairs, 5 FixpointIterations, 30 TrivialSequentialCompositions, 40 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 3 ConcurrentYvCompositions, 1 ChoiceCompositions, 74 TotalNumberOfCompositions, 5838 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2324, positive: 2196, positive conditional: 0, positive unconditional: 2196, negative: 128, negative conditional: 0, negative unconditional: 128, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1329, positive: 1293, positive conditional: 0, positive unconditional: 1293, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1329, positive: 1293, positive conditional: 0, positive unconditional: 1293, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2324, positive: 903, positive conditional: 0, positive unconditional: 903, negative: 92, negative conditional: 0, negative unconditional: 92, unknown: 1329, unknown conditional: 0, unknown unconditional: 1329] , Statistics on independence cache: Total cache size (in pairs): 153, Positive cache size: 135, Positive conditional cache size: 0, Positive unconditional cache size: 135, Negative cache size: 18, Negative conditional cache size: 0, Negative unconditional cache size: 18 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L710] 0 int __unbuffered_cnt = 0; VAL [__unbuffered_cnt=0] [L712] 0 int __unbuffered_p2_EAX = 0; [L714] 0 int __unbuffered_p2_EBX = 0; [L716] 0 int __unbuffered_p3_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0] [L718] 0 int __unbuffered_p3_EBX = 0; [L720] 0 int a = 0; [L721] 0 _Bool a$flush_delayed; [L722] 0 int a$mem_tmp; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0] [L723] 0 _Bool a$r_buff0_thd0; [L724] 0 _Bool a$r_buff0_thd1; [L725] 0 _Bool a$r_buff0_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0] [L726] 0 _Bool a$r_buff0_thd3; [L727] 0 _Bool a$r_buff0_thd4; [L728] 0 _Bool a$r_buff1_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0] [L729] 0 _Bool a$r_buff1_thd1; [L730] 0 _Bool a$r_buff1_thd2; [L731] 0 _Bool a$r_buff1_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0] [L732] 0 _Bool a$r_buff1_thd4; [L733] 0 _Bool a$read_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0] [L734] 0 int *a$read_delayed_var; [L735] 0 int a$w_buff0; [L736] 0 _Bool a$w_buff0_used; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0] [L737] 0 int a$w_buff1; [L738] 0 _Bool a$w_buff1_used; [L739] 0 _Bool main$tmp_guard0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0] [L740] 0 _Bool main$tmp_guard1; [L742] 0 int x = 0; [L744] 0 int y = 0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0] [L746] 0 int z = 0; [L747] 0 _Bool weak$$choice0; [L748] 0 _Bool weak$$choice2; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L869] 0 pthread_t t217; [L870] FCALL, FORK 0 pthread_create(&t217, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L752] 1 a$w_buff1 = a$w_buff0 [L753] 1 a$w_buff0 = 1 [L754] 1 a$w_buff1_used = a$w_buff0_used [L755] 1 a$w_buff0_used = (_Bool)1 [L18] COND FALSE 1 !(!expression) [L757] 1 a$r_buff1_thd0 = a$r_buff0_thd0 [L758] 1 a$r_buff1_thd1 = a$r_buff0_thd1 [L759] 1 a$r_buff1_thd2 = a$r_buff0_thd2 [L760] 1 a$r_buff1_thd3 = a$r_buff0_thd3 [L761] 1 a$r_buff1_thd4 = a$r_buff0_thd4 [L762] 1 a$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L765] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L871] 0 pthread_t t218; [L872] FCALL, FORK 0 pthread_create(&t218, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L782] 2 x = 2 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, z=0] [L785] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=0] [L873] 0 pthread_t t219; [L874] FCALL, FORK 0 pthread_create(&t219, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=0] [L802] 3 y = 2 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z=0] [L805] 3 __unbuffered_p2_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z=0] [L808] 3 __unbuffered_p2_EBX = z VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z=0] [L875] 0 pthread_t t220; [L876] FCALL, FORK 0 pthread_create(&t220, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z=0] [L825] 4 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z=1] [L828] 4 __unbuffered_p3_EAX = z VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z=1] [L831] 4 weak$$choice0 = __VERIFIER_nondet_bool() [L832] 4 weak$$choice2 = __VERIFIER_nondet_bool() [L833] 4 a$flush_delayed = weak$$choice2 [L834] 4 a$mem_tmp = a [L835] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff1) [L835] 4 a = !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff1) [L836] EXPR 4 weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff0)) [L836] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff0) [L836] EXPR 4 weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff0)) [L836] 4 a$w_buff0 = weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff0)) [L837] EXPR 4 weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff1 : a$w_buff1)) [L837] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff1 : a$w_buff1) [L837] EXPR 4 weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff1 : a$w_buff1)) [L837] 4 a$w_buff1 = weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff1 : a$w_buff1)) [L838] EXPR 4 weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used)) [L838] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used) [L838] EXPR 4 weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used)) [L838] 4 a$w_buff0_used = weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used)) [L839] EXPR 4 weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L839] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0) [L839] EXPR 4 weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L839] 4 a$w_buff1_used = weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L840] EXPR 4 weak$$choice2 ? a$r_buff0_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff0_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4)) [L840] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff0_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4) [L840] EXPR 4 weak$$choice2 ? a$r_buff0_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff0_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4)) [L840] 4 a$r_buff0_thd4 = weak$$choice2 ? a$r_buff0_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff0_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4)) [L841] EXPR 4 weak$$choice2 ? a$r_buff1_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff1_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L841] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff1_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0) [L841] EXPR 4 weak$$choice2 ? a$r_buff1_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff1_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L841] 4 a$r_buff1_thd4 = weak$$choice2 ? a$r_buff1_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff1_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L842] 4 __unbuffered_p3_EBX = a [L843] EXPR 4 a$flush_delayed ? a$mem_tmp : a [L843] 4 a = a$flush_delayed ? a$mem_tmp : a [L844] 4 a$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, y=2, z=1] [L768] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd1 ? a$w_buff1 : a) [L768] 1 a = a$w_buff0_used && a$r_buff0_thd1 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd1 ? a$w_buff1 : a) [L769] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$w_buff0_used [L769] 1 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$w_buff0_used [L770] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$w_buff1_used [L770] 1 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$w_buff1_used [L771] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$r_buff0_thd1 [L771] 1 a$r_buff0_thd1 = a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$r_buff0_thd1 [L772] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$r_buff1_thd1 [L772] 1 a$r_buff1_thd1 = a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$r_buff1_thd1 [L775] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L777] 1 return 0; [L811] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a) [L811] EXPR 3 a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a [L811] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a) [L811] 3 a = a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a) [L812] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used [L812] 3 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used [L813] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$w_buff1_used [L813] 3 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$w_buff1_used [L814] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3 [L814] 3 a$r_buff0_thd3 = a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3 [L815] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$r_buff1_thd3 [L815] 3 a$r_buff1_thd3 = a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$r_buff1_thd3 [L788] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) [L788] EXPR 2 a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a [L788] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) [L788] 2 a = a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) [L789] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$w_buff0_used [L789] 2 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$w_buff0_used [L790] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$w_buff1_used [L790] 2 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$w_buff1_used [L791] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$r_buff0_thd2 [L791] 2 a$r_buff0_thd2 = a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$r_buff0_thd2 [L792] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$r_buff1_thd2 [L792] 2 a$r_buff1_thd2 = a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$r_buff1_thd2 [L795] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L797] 2 return 0; [L818] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L820] 3 return 0; [L847] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd4 ? a$w_buff1 : a) [L847] EXPR 4 a$w_buff1_used && a$r_buff1_thd4 ? a$w_buff1 : a [L847] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd4 ? a$w_buff1 : a) [L847] 4 a = a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd4 ? a$w_buff1 : a) [L848] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used [L848] 4 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used [L849] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$w_buff1_used [L849] 4 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$w_buff1_used [L850] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4 [L850] 4 a$r_buff0_thd4 = a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4 [L851] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$r_buff1_thd4 [L851] 4 a$r_buff1_thd4 = a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$r_buff1_thd4 [L854] 4 __unbuffered_cnt = __unbuffered_cnt + 1 [L856] 4 return 0; [L878] 0 main$tmp_guard0 = __unbuffered_cnt == 4 [L3] COND FALSE 0 !(!cond) [L882] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a) [L882] EXPR 0 a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a [L882] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a) [L882] 0 a = a$w_buff0_used && a$r_buff0_thd0 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a) [L883] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$w_buff0_used [L883] 0 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$w_buff0_used [L884] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$w_buff1_used [L884] 0 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$w_buff1_used [L885] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$r_buff0_thd0 [L885] 0 a$r_buff0_thd0 = a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$r_buff0_thd0 [L886] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$r_buff1_thd0 [L886] 0 a$r_buff1_thd0 = a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$r_buff1_thd0 [L889] 0 main$tmp_guard1 = !(x == 2 && y == 2 && __unbuffered_p2_EAX == 2 && __unbuffered_p2_EBX == 0 && __unbuffered_p3_EAX == 1 && __unbuffered_p3_EBX == 0) [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, y=2, z=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 118 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 5.5ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 13625.5ms, OverallIterations: 13, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 9093.3ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 2892.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 175 SDtfs, 179 SDslu, 226 SDs, 0 SdLazy, 456 SolverSat, 147 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 466.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 87 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 545.9ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=2132occurred in iteration=11, InterpolantAutomatonStates: 94, 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: 59.0ms SsaConstructionTime, 380.8ms SatisfiabilityAnalysisTime, 825.4ms InterpolantComputationTime, 385 NumberOfCodeBlocks, 385 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 331 ConstructedInterpolants, 0 QuantifiedInterpolants, 1810 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 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...