/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-RepeatedVariableLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix057_power.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-25 04:50:37,814 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-25 04:50:37,815 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-25 04:50:37,833 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-25 04:50:37,834 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-25 04:50:37,834 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-25 04:50:37,835 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-25 04:50:37,837 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-25 04:50:37,838 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-25 04:50:37,838 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-25 04:50:37,839 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-25 04:50:37,840 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-25 04:50:37,840 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-25 04:50:37,841 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-25 04:50:37,841 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-25 04:50:37,842 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-25 04:50:37,843 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-25 04:50:37,843 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-25 04:50:37,844 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-25 04:50:37,845 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-25 04:50:37,846 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-25 04:50:37,847 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-25 04:50:37,848 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-25 04:50:37,848 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-25 04:50:37,850 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-03-25 04:50:37,850 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-03-25 04:50:37,850 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-03-25 04:50:37,851 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-03-25 04:50:37,851 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-03-25 04:50:37,852 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-03-25 04:50:37,852 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-25 04:50:37,852 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-25 04:50:37,853 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-25 04:50:37,853 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-25 04:50:37,854 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-25 04:50:37,854 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-25 04:50:37,854 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-25 04:50:37,855 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-25 04:50:37,855 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-25 04:50:37,855 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-25 04:50:37,856 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-25 04:50:37,856 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-RepeatedVariableLbe.epf [2021-03-25 04:50:37,870 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-25 04:50:37,870 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-25 04:50:37,871 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-25 04:50:37,871 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-25 04:50:37,871 INFO L138 SettingsManager]: * Use SBE=true [2021-03-25 04:50:37,871 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-25 04:50:37,872 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-25 04:50:37,872 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-25 04:50:37,872 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-25 04:50:37,872 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-25 04:50:37,872 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-25 04:50:37,872 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-25 04:50:37,872 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-25 04:50:37,872 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-25 04:50:37,872 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-25 04:50:37,872 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-25 04:50:37,873 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-25 04:50:37,873 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-25 04:50:37,873 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-25 04:50:37,873 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-25 04:50:37,873 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-25 04:50:37,873 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-25 04:50:37,873 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-25 04:50:37,873 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-25 04:50:37,874 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-25 04:50:37,874 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-25 04:50:37,874 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-25 04:50:37,874 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2021-03-25 04:50:37,874 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-25 04:50:37,874 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-25 04:50:37,874 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-25 04:50:38,096 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-25 04:50:38,114 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-25 04:50:38,116 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-25 04:50:38,117 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-25 04:50:38,117 INFO L275 PluginConnector]: CDTParser initialized [2021-03-25 04:50:38,120 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix057_power.oepc.i [2021-03-25 04:50:38,180 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74453168c/e3cf766f82f54575b151b0fa4852a9cc/FLAG3b7c4874d [2021-03-25 04:50:38,503 INFO L306 CDTParser]: Found 1 translation units. [2021-03-25 04:50:38,504 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix057_power.oepc.i [2021-03-25 04:50:38,516 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74453168c/e3cf766f82f54575b151b0fa4852a9cc/FLAG3b7c4874d [2021-03-25 04:50:38,908 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74453168c/e3cf766f82f54575b151b0fa4852a9cc [2021-03-25 04:50:38,910 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-25 04:50:38,911 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-25 04:50:38,912 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-25 04:50:38,912 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-25 04:50:38,923 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-25 04:50:38,923 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.03 04:50:38" (1/1) ... [2021-03-25 04:50:38,924 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58836871 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:50:38, skipping insertion in model container [2021-03-25 04:50:38,924 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.03 04:50:38" (1/1) ... [2021-03-25 04:50:38,929 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-25 04:50:38,968 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-25 04:50:39,056 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/mix057_power.oepc.i[951,964] [2021-03-25 04:50:39,208 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-25 04:50:39,215 INFO L203 MainTranslator]: Completed pre-run [2021-03-25 04:50:39,223 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/mix057_power.oepc.i[951,964] [2021-03-25 04:50:39,271 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-25 04:50:39,324 INFO L208 MainTranslator]: Completed translation [2021-03-25 04:50:39,325 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:50:39 WrapperNode [2021-03-25 04:50:39,326 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-25 04:50:39,327 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-25 04:50:39,327 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-25 04:50:39,327 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-25 04:50:39,332 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:50:39" (1/1) ... [2021-03-25 04:50:39,359 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:50:39" (1/1) ... [2021-03-25 04:50:39,374 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-25 04:50:39,375 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-25 04:50:39,375 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-25 04:50:39,375 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-25 04:50:39,381 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:50:39" (1/1) ... [2021-03-25 04:50:39,381 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:50:39" (1/1) ... [2021-03-25 04:50:39,384 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:50:39" (1/1) ... [2021-03-25 04:50:39,384 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:50:39" (1/1) ... [2021-03-25 04:50:39,391 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:50:39" (1/1) ... [2021-03-25 04:50:39,394 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:50:39" (1/1) ... [2021-03-25 04:50:39,408 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:50:39" (1/1) ... [2021-03-25 04:50:39,411 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-25 04:50:39,412 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-25 04:50:39,412 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-25 04:50:39,412 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-25 04:50:39,413 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:50:39" (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 [2021-03-25 04:50:39,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-25 04:50:39,482 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-25 04:50:39,483 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-25 04:50:39,483 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-25 04:50:39,483 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-03-25 04:50:39,483 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-03-25 04:50:39,484 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-03-25 04:50:39,484 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-03-25 04:50:39,484 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-03-25 04:50:39,484 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-03-25 04:50:39,484 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-03-25 04:50:39,484 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-03-25 04:50:39,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-25 04:50:39,485 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-25 04:50:39,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-25 04:50:39,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-25 04:50:39,486 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-25 04:50:41,018 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-25 04:50:41,019 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-03-25 04:50:41,020 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.03 04:50:41 BoogieIcfgContainer [2021-03-25 04:50:41,020 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-25 04:50:41,021 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-25 04:50:41,021 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-25 04:50:41,023 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-25 04:50:41,023 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.03 04:50:38" (1/3) ... [2021-03-25 04:50:41,023 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e16b343 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.03 04:50:41, skipping insertion in model container [2021-03-25 04:50:41,023 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:50:39" (2/3) ... [2021-03-25 04:50:41,024 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e16b343 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.03 04:50:41, skipping insertion in model container [2021-03-25 04:50:41,024 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.03 04:50:41" (3/3) ... [2021-03-25 04:50:41,024 INFO L111 eAbstractionObserver]: Analyzing ICFG mix057_power.oepc.i [2021-03-25 04:50:41,028 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-25 04:50:41,031 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-03-25 04:50:41,031 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-25 04:50:41,056 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,057 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,057 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,057 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,057 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,057 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,057 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,057 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,057 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,057 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,058 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,058 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,058 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,058 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,058 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,058 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,058 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,058 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,058 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,059 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,059 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,059 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,059 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,059 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,059 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,059 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,059 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,059 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,059 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,059 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,060 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,060 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,060 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,060 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,060 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,060 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,060 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,061 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,061 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,061 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,061 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,061 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,061 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,061 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,061 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,061 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,061 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,061 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,061 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,062 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,062 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,062 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,062 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,062 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,062 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,062 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,062 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,063 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,063 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,063 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,063 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,063 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,063 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,063 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,063 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,063 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,063 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,063 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,064 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,064 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,064 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,064 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,064 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,064 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,064 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,064 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,064 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,064 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,065 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,065 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,065 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,065 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,065 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,065 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,065 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,065 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,066 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,066 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,066 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,066 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,066 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,066 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,066 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,066 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,066 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,066 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,066 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,066 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,067 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,067 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,067 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,067 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,067 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,067 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,067 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,067 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,067 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,067 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,067 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,067 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,067 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,067 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,068 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,068 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,068 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,068 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,068 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,068 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,068 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,068 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,068 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,068 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,068 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,068 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,068 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,068 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,069 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,069 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,069 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,069 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,069 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,069 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,070 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,070 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,070 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,070 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,070 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,070 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,071 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,071 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,071 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,071 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,071 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,071 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,071 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,071 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,071 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,071 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,071 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,071 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,071 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,071 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,072 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,072 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,072 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,072 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,072 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,072 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,072 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,072 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,072 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,072 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,072 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,072 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,072 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,072 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,072 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,073 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,073 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,073 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,074 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,074 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,074 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,074 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,074 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,074 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,074 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,075 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,075 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,075 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,075 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,075 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,075 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,075 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,075 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,076 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,076 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,076 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,077 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,077 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,077 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,077 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,077 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,077 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,078 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,078 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,078 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,078 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,079 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,079 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,079 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,079 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,079 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,079 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,079 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,080 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,080 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,080 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,081 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,081 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,081 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,081 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,081 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,081 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,081 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,081 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,081 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,081 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,081 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,081 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,082 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,082 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,082 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,082 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,082 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,082 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,082 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,082 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,082 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,082 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,082 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,083 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,083 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,083 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,083 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,083 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,083 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,083 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,083 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,083 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,083 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,084 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,084 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,084 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,084 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,085 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,085 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,085 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,085 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,085 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,085 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,085 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,085 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:50:41,086 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-25 04:50:41,097 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-03-25 04:50:41,108 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-25 04:50:41,108 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-25 04:50:41,108 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-25 04:50:41,108 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-25 04:50:41,109 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-25 04:50:41,109 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-25 04:50:41,109 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-25 04:50:41,109 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-25 04:50:41,115 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 125 places, 114 transitions, 248 flow [2021-03-25 04:50:41,138 INFO L129 PetriNetUnfolder]: 2/110 cut-off events. [2021-03-25 04:50:41,138 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 04:50:41,141 INFO L84 FinitePrefix]: Finished finitePrefix Result has 123 conditions, 110 events. 2/110 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 83 event pairs, 0 based on Foata normal form. 0/106 useless extension candidates. Maximal degree in co-relation 76. Up to 2 conditions per place. [2021-03-25 04:50:41,142 INFO L82 GeneralOperation]: Start removeDead. Operand has 125 places, 114 transitions, 248 flow [2021-03-25 04:50:41,146 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 121 places, 110 transitions, 232 flow [2021-03-25 04:50:41,147 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:50:41,154 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 121 places, 110 transitions, 232 flow [2021-03-25 04:50:41,157 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 121 places, 110 transitions, 232 flow [2021-03-25 04:50:41,158 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 121 places, 110 transitions, 232 flow [2021-03-25 04:50:41,171 INFO L129 PetriNetUnfolder]: 2/110 cut-off events. [2021-03-25 04:50:41,171 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 04:50:41,171 INFO L84 FinitePrefix]: Finished finitePrefix Result has 123 conditions, 110 events. 2/110 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 86 event pairs, 0 based on Foata normal form. 0/106 useless extension candidates. Maximal degree in co-relation 76. Up to 2 conditions per place. [2021-03-25 04:50:41,174 INFO L142 LiptonReduction]: Number of co-enabled transitions 2672 [2021-03-25 04:50:42,090 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2021-03-25 04:50:42,408 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 81 [2021-03-25 04:50:43,470 INFO L154 LiptonReduction]: Checked pairs total: 4891 [2021-03-25 04:50:43,470 INFO L156 LiptonReduction]: Total number of compositions: 74 [2021-03-25 04:50:43,472 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2325 [2021-03-25 04:50:43,477 INFO L129 PetriNetUnfolder]: 0/11 cut-off events. [2021-03-25 04:50:43,477 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 04:50:43,477 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:50:43,477 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:50:43,477 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:50:43,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:50:43,480 INFO L82 PathProgramCache]: Analyzing trace with hash -1028802545, now seen corresponding path program 1 times [2021-03-25 04:50:43,485 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:50:43,485 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064798652] [2021-03-25 04:50:43,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:50:43,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:50:43,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:50:43,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 04:50:43,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:50:43,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:50:43,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 04:50:43,644 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064798652] [2021-03-25 04:50:43,645 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:50:43,645 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-25 04:50:43,645 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175754281] [2021-03-25 04:50:43,650 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-25 04:50:43,650 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:50:43,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-25 04:50:43,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-25 04:50:43,660 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 166 out of 188 [2021-03-25 04:50:43,663 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 45 transitions, 102 flow. Second operand has 3 states, 3 states have (on average 166.66666666666666) internal successors, (500), 3 states have internal predecessors, (500), 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) [2021-03-25 04:50:43,663 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:50:43,663 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 166 of 188 [2021-03-25 04:50:43,664 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:50:43,783 INFO L129 PetriNetUnfolder]: 133/296 cut-off events. [2021-03-25 04:50:43,784 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 04:50:43,786 INFO L84 FinitePrefix]: Finished finitePrefix Result has 515 conditions, 296 events. 133/296 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 1435 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. [2021-03-25 04:50:43,788 INFO L132 encePairwiseOnDemand]: 184/188 looper letters, 11 selfloop transitions, 2 changer transitions 0/47 dead transitions. [2021-03-25 04:50:43,788 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 47 transitions, 132 flow [2021-03-25 04:50:43,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 04:50:43,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 04:50:43,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 514 transitions. [2021-03-25 04:50:43,802 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9113475177304965 [2021-03-25 04:50:43,803 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 514 transitions. [2021-03-25 04:50:43,803 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 514 transitions. [2021-03-25 04:50:43,806 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:50:43,807 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 514 transitions. [2021-03-25 04:50:43,811 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 171.33333333333334) internal successors, (514), 3 states have internal predecessors, (514), 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) [2021-03-25 04:50:43,817 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 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) [2021-03-25 04:50:43,818 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 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) [2021-03-25 04:50:43,819 INFO L185 Difference]: Start difference. First operand has 57 places, 45 transitions, 102 flow. Second operand 3 states and 514 transitions. [2021-03-25 04:50:43,819 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 47 transitions, 132 flow [2021-03-25 04:50:43,821 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 47 transitions, 128 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-03-25 04:50:43,822 INFO L241 Difference]: Finished difference. Result has 53 places, 42 transitions, 96 flow [2021-03-25 04:50:43,825 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=92, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=96, PETRI_PLACES=53, PETRI_TRANSITIONS=42} [2021-03-25 04:50:43,826 INFO L343 CegarLoopForPetriNet]: 57 programPoint places, -4 predicate places. [2021-03-25 04:50:43,826 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:50:43,826 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 53 places, 42 transitions, 96 flow [2021-03-25 04:50:43,827 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 53 places, 42 transitions, 96 flow [2021-03-25 04:50:43,827 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 53 places, 42 transitions, 96 flow [2021-03-25 04:50:43,831 INFO L129 PetriNetUnfolder]: 0/42 cut-off events. [2021-03-25 04:50:43,831 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 04:50:43,832 INFO L84 FinitePrefix]: Finished finitePrefix Result has 54 conditions, 42 events. 0/42 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 59 event pairs, 0 based on Foata normal form. 0/40 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-03-25 04:50:43,834 INFO L142 LiptonReduction]: Number of co-enabled transitions 608 [2021-03-25 04:50:44,652 INFO L154 LiptonReduction]: Checked pairs total: 2552 [2021-03-25 04:50:44,652 INFO L156 LiptonReduction]: Total number of compositions: 11 [2021-03-25 04:50:44,652 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 826 [2021-03-25 04:50:44,653 INFO L480 AbstractCegarLoop]: Abstraction has has 42 places, 31 transitions, 74 flow [2021-03-25 04:50:44,653 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 166.66666666666666) internal successors, (500), 3 states have internal predecessors, (500), 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) [2021-03-25 04:50:44,653 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:50:44,654 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] [2021-03-25 04:50:44,654 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-25 04:50:44,654 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:50:44,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:50:44,655 INFO L82 PathProgramCache]: Analyzing trace with hash -135319801, now seen corresponding path program 1 times [2021-03-25 04:50:44,655 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:50:44,655 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961168649] [2021-03-25 04:50:44,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:50:44,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:50:44,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:50:44,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 04:50:44,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:50:44,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:50:44,747 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-25 04:50:44,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 04:50:44,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 04:50:44,750 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961168649] [2021-03-25 04:50:44,750 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:50:44,750 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 04:50:44,750 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057439837] [2021-03-25 04:50:44,750 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 04:50:44,750 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:50:44,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 04:50:44,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-25 04:50:44,752 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 171 out of 199 [2021-03-25 04:50:44,752 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 31 transitions, 74 flow. Second operand has 4 states, 4 states have (on average 171.75) internal successors, (687), 4 states have internal predecessors, (687), 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) [2021-03-25 04:50:44,753 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:50:44,753 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 171 of 199 [2021-03-25 04:50:44,753 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:50:44,779 INFO L129 PetriNetUnfolder]: 7/53 cut-off events. [2021-03-25 04:50:44,780 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-03-25 04:50:44,780 INFO L84 FinitePrefix]: Finished finitePrefix Result has 84 conditions, 53 events. 7/53 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 139 event pairs, 1 based on Foata normal form. 0/47 useless extension candidates. Maximal degree in co-relation 74. Up to 10 conditions per place. [2021-03-25 04:50:44,780 INFO L132 encePairwiseOnDemand]: 194/199 looper letters, 3 selfloop transitions, 3 changer transitions 7/38 dead transitions. [2021-03-25 04:50:44,780 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 38 transitions, 112 flow [2021-03-25 04:50:44,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 04:50:44,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 04:50:44,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 868 transitions. [2021-03-25 04:50:44,784 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8723618090452261 [2021-03-25 04:50:44,784 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 868 transitions. [2021-03-25 04:50:44,784 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 868 transitions. [2021-03-25 04:50:44,784 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:50:44,785 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 868 transitions. [2021-03-25 04:50:44,786 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 173.6) internal successors, (868), 5 states have internal predecessors, (868), 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) [2021-03-25 04:50:44,788 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 199.0) internal successors, (1194), 6 states have internal predecessors, (1194), 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) [2021-03-25 04:50:44,788 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 199.0) internal successors, (1194), 6 states have internal predecessors, (1194), 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) [2021-03-25 04:50:44,788 INFO L185 Difference]: Start difference. First operand has 42 places, 31 transitions, 74 flow. Second operand 5 states and 868 transitions. [2021-03-25 04:50:44,788 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 38 transitions, 112 flow [2021-03-25 04:50:44,789 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 38 transitions, 108 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-25 04:50:44,789 INFO L241 Difference]: Finished difference. Result has 46 places, 31 transitions, 89 flow [2021-03-25 04:50:44,789 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=70, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=89, PETRI_PLACES=46, PETRI_TRANSITIONS=31} [2021-03-25 04:50:44,790 INFO L343 CegarLoopForPetriNet]: 57 programPoint places, -11 predicate places. [2021-03-25 04:50:44,790 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:50:44,790 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 46 places, 31 transitions, 89 flow [2021-03-25 04:50:44,790 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 46 places, 31 transitions, 89 flow [2021-03-25 04:50:44,791 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 42 places, 31 transitions, 89 flow [2021-03-25 04:50:44,795 INFO L129 PetriNetUnfolder]: 3/39 cut-off events. [2021-03-25 04:50:44,796 INFO L130 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2021-03-25 04:50:44,796 INFO L84 FinitePrefix]: Finished finitePrefix Result has 67 conditions, 39 events. 3/39 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 86 event pairs, 1 based on Foata normal form. 0/36 useless extension candidates. Maximal degree in co-relation 57. Up to 10 conditions per place. [2021-03-25 04:50:44,796 INFO L142 LiptonReduction]: Number of co-enabled transitions 470 [2021-03-25 04:50:45,055 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 118 [2021-03-25 04:50:45,196 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2021-03-25 04:50:45,475 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 118 [2021-03-25 04:50:45,604 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2021-03-25 04:50:45,608 INFO L154 LiptonReduction]: Checked pairs total: 936 [2021-03-25 04:50:45,608 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 04:50:45,608 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 818 [2021-03-25 04:50:45,608 INFO L480 AbstractCegarLoop]: Abstraction has has 41 places, 30 transitions, 87 flow [2021-03-25 04:50:45,609 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 171.75) internal successors, (687), 4 states have internal predecessors, (687), 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) [2021-03-25 04:50:45,609 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:50:45,609 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:50:45,609 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-25 04:50:45,609 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:50:45,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:50:45,609 INFO L82 PathProgramCache]: Analyzing trace with hash 1486756277, now seen corresponding path program 1 times [2021-03-25 04:50:45,609 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:50:45,609 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061649681] [2021-03-25 04:50:45,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:50:45,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:50:45,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:50:45,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 04:50:45,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:50:45,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:50:45,656 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-03-25 04:50:45,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 04:50:45,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 04:50:45,681 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2061649681] [2021-03-25 04:50:45,681 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:50:45,681 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 04:50:45,681 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893836234] [2021-03-25 04:50:45,681 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 04:50:45,681 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:50:45,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 04:50:45,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-03-25 04:50:45,683 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 157 out of 200 [2021-03-25 04:50:45,683 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 30 transitions, 87 flow. Second operand has 4 states, 4 states have (on average 158.0) internal successors, (632), 4 states have internal predecessors, (632), 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) [2021-03-25 04:50:45,683 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:50:45,683 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 157 of 200 [2021-03-25 04:50:45,684 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:50:45,754 INFO L129 PetriNetUnfolder]: 204/536 cut-off events. [2021-03-25 04:50:45,754 INFO L130 PetriNetUnfolder]: For 256/375 co-relation queries the response was YES. [2021-03-25 04:50:45,756 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1115 conditions, 536 events. 204/536 cut-off events. For 256/375 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 3419 event pairs, 20 based on Foata normal form. 31/556 useless extension candidates. Maximal degree in co-relation 1104. Up to 182 conditions per place. [2021-03-25 04:50:45,758 INFO L132 encePairwiseOnDemand]: 191/200 looper letters, 16 selfloop transitions, 12 changer transitions 0/47 dead transitions. [2021-03-25 04:50:45,758 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 47 transitions, 205 flow [2021-03-25 04:50:45,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-25 04:50:45,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-25 04:50:45,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 652 transitions. [2021-03-25 04:50:45,761 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.815 [2021-03-25 04:50:45,761 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 652 transitions. [2021-03-25 04:50:45,761 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 652 transitions. [2021-03-25 04:50:45,761 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:50:45,761 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 652 transitions. [2021-03-25 04:50:45,762 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 163.0) internal successors, (652), 4 states have internal predecessors, (652), 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) [2021-03-25 04:50:45,764 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 200.0) internal successors, (1000), 5 states have internal predecessors, (1000), 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) [2021-03-25 04:50:45,764 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 200.0) internal successors, (1000), 5 states have internal predecessors, (1000), 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) [2021-03-25 04:50:45,764 INFO L185 Difference]: Start difference. First operand has 41 places, 30 transitions, 87 flow. Second operand 4 states and 652 transitions. [2021-03-25 04:50:45,764 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 47 transitions, 205 flow [2021-03-25 04:50:45,765 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 47 transitions, 186 flow, removed 6 selfloop flow, removed 2 redundant places. [2021-03-25 04:50:45,766 INFO L241 Difference]: Finished difference. Result has 45 places, 41 transitions, 180 flow [2021-03-25 04:50:45,766 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=200, PETRI_DIFFERENCE_MINUEND_FLOW=80, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=180, PETRI_PLACES=45, PETRI_TRANSITIONS=41} [2021-03-25 04:50:45,766 INFO L343 CegarLoopForPetriNet]: 57 programPoint places, -12 predicate places. [2021-03-25 04:50:45,766 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:50:45,766 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 45 places, 41 transitions, 180 flow [2021-03-25 04:50:45,768 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 45 places, 41 transitions, 180 flow [2021-03-25 04:50:45,768 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 45 places, 41 transitions, 180 flow [2021-03-25 04:50:45,821 INFO L129 PetriNetUnfolder]: 194/499 cut-off events. [2021-03-25 04:50:45,822 INFO L130 PetriNetUnfolder]: For 243/331 co-relation queries the response was YES. [2021-03-25 04:50:45,823 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1159 conditions, 499 events. 194/499 cut-off events. For 243/331 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 3178 event pairs, 50 based on Foata normal form. 0/477 useless extension candidates. Maximal degree in co-relation 1147. Up to 173 conditions per place. [2021-03-25 04:50:45,827 INFO L142 LiptonReduction]: Number of co-enabled transitions 644 [2021-03-25 04:50:45,887 INFO L154 LiptonReduction]: Checked pairs total: 421 [2021-03-25 04:50:45,887 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 04:50:45,887 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 121 [2021-03-25 04:50:45,892 INFO L480 AbstractCegarLoop]: Abstraction has has 45 places, 41 transitions, 180 flow [2021-03-25 04:50:45,892 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 158.0) internal successors, (632), 4 states have internal predecessors, (632), 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) [2021-03-25 04:50:45,892 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:50:45,892 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:50:45,892 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-25 04:50:45,892 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:50:45,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:50:45,897 INFO L82 PathProgramCache]: Analyzing trace with hash -2135811624, now seen corresponding path program 1 times [2021-03-25 04:50:45,897 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:50:45,897 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723993861] [2021-03-25 04:50:45,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:50:45,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:50:45,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:50:45,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:50:45,941 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-03-25 04:50:45,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 04:50:45,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 04:50:45,956 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723993861] [2021-03-25 04:50:45,956 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:50:45,956 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-25 04:50:45,956 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402936605] [2021-03-25 04:50:45,956 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 04:50:45,956 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:50:45,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 04:50:45,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-03-25 04:50:45,958 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 157 out of 200 [2021-03-25 04:50:45,958 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 41 transitions, 180 flow. Second operand has 4 states, 4 states have (on average 158.0) internal successors, (632), 4 states have internal predecessors, (632), 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) [2021-03-25 04:50:45,958 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:50:45,958 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 157 of 200 [2021-03-25 04:50:45,958 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:50:46,033 INFO L129 PetriNetUnfolder]: 188/518 cut-off events. [2021-03-25 04:50:46,034 INFO L130 PetriNetUnfolder]: For 399/802 co-relation queries the response was YES. [2021-03-25 04:50:46,035 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1478 conditions, 518 events. 188/518 cut-off events. For 399/802 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 3318 event pairs, 16 based on Foata normal form. 7/517 useless extension candidates. Maximal degree in co-relation 1464. Up to 156 conditions per place. [2021-03-25 04:50:46,037 INFO L132 encePairwiseOnDemand]: 191/200 looper letters, 22 selfloop transitions, 21 changer transitions 0/62 dead transitions. [2021-03-25 04:50:46,037 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 62 transitions, 388 flow [2021-03-25 04:50:46,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-25 04:50:46,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-25 04:50:46,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 651 transitions. [2021-03-25 04:50:46,039 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.81375 [2021-03-25 04:50:46,040 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 651 transitions. [2021-03-25 04:50:46,040 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 651 transitions. [2021-03-25 04:50:46,040 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:50:46,040 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 651 transitions. [2021-03-25 04:50:46,041 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 162.75) internal successors, (651), 4 states have internal predecessors, (651), 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) [2021-03-25 04:50:46,042 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 200.0) internal successors, (1000), 5 states have internal predecessors, (1000), 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) [2021-03-25 04:50:46,043 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 200.0) internal successors, (1000), 5 states have internal predecessors, (1000), 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) [2021-03-25 04:50:46,043 INFO L185 Difference]: Start difference. First operand has 45 places, 41 transitions, 180 flow. Second operand 4 states and 651 transitions. [2021-03-25 04:50:46,043 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 62 transitions, 388 flow [2021-03-25 04:50:46,046 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 62 transitions, 388 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-25 04:50:46,047 INFO L241 Difference]: Finished difference. Result has 51 places, 56 transitions, 376 flow [2021-03-25 04:50:46,048 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=200, PETRI_DIFFERENCE_MINUEND_FLOW=180, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=376, PETRI_PLACES=51, PETRI_TRANSITIONS=56} [2021-03-25 04:50:46,048 INFO L343 CegarLoopForPetriNet]: 57 programPoint places, -6 predicate places. [2021-03-25 04:50:46,048 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:50:46,048 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 51 places, 56 transitions, 376 flow [2021-03-25 04:50:46,049 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 51 places, 56 transitions, 376 flow [2021-03-25 04:50:46,049 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 51 places, 56 transitions, 376 flow [2021-03-25 04:50:46,093 INFO L129 PetriNetUnfolder]: 182/481 cut-off events. [2021-03-25 04:50:46,093 INFO L130 PetriNetUnfolder]: For 733/897 co-relation queries the response was YES. [2021-03-25 04:50:46,094 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1527 conditions, 481 events. 182/481 cut-off events. For 733/897 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 3041 event pairs, 24 based on Foata normal form. 1/468 useless extension candidates. Maximal degree in co-relation 1510. Up to 153 conditions per place. [2021-03-25 04:50:46,098 INFO L142 LiptonReduction]: Number of co-enabled transitions 852 [2021-03-25 04:50:46,120 INFO L154 LiptonReduction]: Checked pairs total: 663 [2021-03-25 04:50:46,120 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 04:50:46,121 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 73 [2021-03-25 04:50:46,122 INFO L480 AbstractCegarLoop]: Abstraction has has 51 places, 56 transitions, 376 flow [2021-03-25 04:50:46,123 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 158.0) internal successors, (632), 4 states have internal predecessors, (632), 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) [2021-03-25 04:50:46,123 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:50:46,123 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:50:46,123 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-25 04:50:46,123 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:50:46,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:50:46,123 INFO L82 PathProgramCache]: Analyzing trace with hash -1616648100, now seen corresponding path program 1 times [2021-03-25 04:50:46,123 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:50:46,123 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043274942] [2021-03-25 04:50:46,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:50:46,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:50:46,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:50:46,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 04:50:46,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:50:46,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:50:46,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 04:50:46,168 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043274942] [2021-03-25 04:50:46,168 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:50:46,168 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-25 04:50:46,168 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433789440] [2021-03-25 04:50:46,169 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-25 04:50:46,169 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:50:46,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-25 04:50:46,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-25 04:50:46,170 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 175 out of 200 [2021-03-25 04:50:46,170 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 56 transitions, 376 flow. Second operand has 3 states, 3 states have (on average 176.0) internal successors, (528), 3 states have internal predecessors, (528), 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) [2021-03-25 04:50:46,170 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:50:46,170 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 175 of 200 [2021-03-25 04:50:46,170 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:50:46,228 INFO L129 PetriNetUnfolder]: 184/552 cut-off events. [2021-03-25 04:50:46,228 INFO L130 PetriNetUnfolder]: For 1206/1469 co-relation queries the response was YES. [2021-03-25 04:50:46,230 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1771 conditions, 552 events. 184/552 cut-off events. For 1206/1469 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 3796 event pairs, 34 based on Foata normal form. 16/555 useless extension candidates. Maximal degree in co-relation 1752. Up to 153 conditions per place. [2021-03-25 04:50:46,233 INFO L132 encePairwiseOnDemand]: 197/200 looper letters, 4 selfloop transitions, 7 changer transitions 1/56 dead transitions. [2021-03-25 04:50:46,233 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 56 transitions, 400 flow [2021-03-25 04:50:46,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 04:50:46,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 04:50:46,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 531 transitions. [2021-03-25 04:50:46,234 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.885 [2021-03-25 04:50:46,234 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 531 transitions. [2021-03-25 04:50:46,235 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 531 transitions. [2021-03-25 04:50:46,235 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:50:46,235 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 531 transitions. [2021-03-25 04:50:46,236 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 177.0) internal successors, (531), 3 states have internal predecessors, (531), 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) [2021-03-25 04:50:46,237 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 200.0) internal successors, (800), 4 states have internal predecessors, (800), 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) [2021-03-25 04:50:46,237 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 200.0) internal successors, (800), 4 states have internal predecessors, (800), 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) [2021-03-25 04:50:46,237 INFO L185 Difference]: Start difference. First operand has 51 places, 56 transitions, 376 flow. Second operand 3 states and 531 transitions. [2021-03-25 04:50:46,237 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 56 transitions, 400 flow [2021-03-25 04:50:46,240 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 56 transitions, 400 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-25 04:50:46,241 INFO L241 Difference]: Finished difference. Result has 54 places, 55 transitions, 391 flow [2021-03-25 04:50:46,242 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=200, PETRI_DIFFERENCE_MINUEND_FLOW=376, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=56, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=391, PETRI_PLACES=54, PETRI_TRANSITIONS=55} [2021-03-25 04:50:46,242 INFO L343 CegarLoopForPetriNet]: 57 programPoint places, -3 predicate places. [2021-03-25 04:50:46,242 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:50:46,242 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 54 places, 55 transitions, 391 flow [2021-03-25 04:50:46,242 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 54 places, 55 transitions, 391 flow [2021-03-25 04:50:46,242 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 54 places, 55 transitions, 391 flow [2021-03-25 04:50:46,285 INFO L129 PetriNetUnfolder]: 176/532 cut-off events. [2021-03-25 04:50:46,286 INFO L130 PetriNetUnfolder]: For 970/1136 co-relation queries the response was YES. [2021-03-25 04:50:46,287 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1715 conditions, 532 events. 176/532 cut-off events. For 970/1136 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 3680 event pairs, 20 based on Foata normal form. 1/520 useless extension candidates. Maximal degree in co-relation 1696. Up to 153 conditions per place. [2021-03-25 04:50:46,291 INFO L142 LiptonReduction]: Number of co-enabled transitions 834 [2021-03-25 04:50:46,323 INFO L154 LiptonReduction]: Checked pairs total: 717 [2021-03-25 04:50:46,323 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 04:50:46,323 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 81 [2021-03-25 04:50:46,325 INFO L480 AbstractCegarLoop]: Abstraction has has 54 places, 55 transitions, 391 flow [2021-03-25 04:50:46,325 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 176.0) internal successors, (528), 3 states have internal predecessors, (528), 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) [2021-03-25 04:50:46,325 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:50:46,325 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:50:46,326 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-25 04:50:46,326 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:50:46,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:50:46,331 INFO L82 PathProgramCache]: Analyzing trace with hash 1538135573, now seen corresponding path program 1 times [2021-03-25 04:50:46,332 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:50:46,332 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348725756] [2021-03-25 04:50:46,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:50:46,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:50:46,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:50:46,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 04:50:46,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:50:46,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:50:46,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 04:50:46,376 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348725756] [2021-03-25 04:50:46,377 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:50:46,377 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-25 04:50:46,377 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706907825] [2021-03-25 04:50:46,377 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-25 04:50:46,377 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:50:46,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-25 04:50:46,378 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-25 04:50:46,378 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 175 out of 200 [2021-03-25 04:50:46,378 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 55 transitions, 391 flow. Second operand has 3 states, 3 states have (on average 176.0) internal successors, (528), 3 states have internal predecessors, (528), 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) [2021-03-25 04:50:46,378 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:50:46,379 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 175 of 200 [2021-03-25 04:50:46,379 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:50:46,469 INFO L129 PetriNetUnfolder]: 178/655 cut-off events. [2021-03-25 04:50:46,470 INFO L130 PetriNetUnfolder]: For 1769/2155 co-relation queries the response was YES. [2021-03-25 04:50:46,471 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2106 conditions, 655 events. 178/655 cut-off events. For 1769/2155 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 5080 event pairs, 43 based on Foata normal form. 16/655 useless extension candidates. Maximal degree in co-relation 2085. Up to 168 conditions per place. [2021-03-25 04:50:46,473 INFO L132 encePairwiseOnDemand]: 197/200 looper letters, 4 selfloop transitions, 10 changer transitions 2/55 dead transitions. [2021-03-25 04:50:46,473 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 55 transitions, 423 flow [2021-03-25 04:50:46,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 04:50:46,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 04:50:46,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 531 transitions. [2021-03-25 04:50:46,474 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.885 [2021-03-25 04:50:46,474 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 531 transitions. [2021-03-25 04:50:46,474 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 531 transitions. [2021-03-25 04:50:46,474 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:50:46,474 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 531 transitions. [2021-03-25 04:50:46,475 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 177.0) internal successors, (531), 3 states have internal predecessors, (531), 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) [2021-03-25 04:50:46,476 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 200.0) internal successors, (800), 4 states have internal predecessors, (800), 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) [2021-03-25 04:50:46,476 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 200.0) internal successors, (800), 4 states have internal predecessors, (800), 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) [2021-03-25 04:50:46,476 INFO L185 Difference]: Start difference. First operand has 54 places, 55 transitions, 391 flow. Second operand 3 states and 531 transitions. [2021-03-25 04:50:46,476 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 55 transitions, 423 flow [2021-03-25 04:50:46,478 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 55 transitions, 416 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-25 04:50:46,480 INFO L241 Difference]: Finished difference. Result has 56 places, 53 transitions, 396 flow [2021-03-25 04:50:46,481 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=200, PETRI_DIFFERENCE_MINUEND_FLOW=384, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=396, PETRI_PLACES=56, PETRI_TRANSITIONS=53} [2021-03-25 04:50:46,481 INFO L343 CegarLoopForPetriNet]: 57 programPoint places, -1 predicate places. [2021-03-25 04:50:46,481 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:50:46,481 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 56 places, 53 transitions, 396 flow [2021-03-25 04:50:46,481 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 56 places, 53 transitions, 396 flow [2021-03-25 04:50:46,481 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 56 places, 53 transitions, 396 flow [2021-03-25 04:50:46,531 INFO L129 PetriNetUnfolder]: 167/623 cut-off events. [2021-03-25 04:50:46,531 INFO L130 PetriNetUnfolder]: For 1366/1549 co-relation queries the response was YES. [2021-03-25 04:50:46,532 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1993 conditions, 623 events. 167/623 cut-off events. For 1366/1549 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 4824 event pairs, 27 based on Foata normal form. 0/607 useless extension candidates. Maximal degree in co-relation 1973. Up to 163 conditions per place. [2021-03-25 04:50:46,537 INFO L142 LiptonReduction]: Number of co-enabled transitions 800 [2021-03-25 04:50:46,581 INFO L154 LiptonReduction]: Checked pairs total: 674 [2021-03-25 04:50:46,582 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 04:50:46,582 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 101 [2021-03-25 04:50:46,583 INFO L480 AbstractCegarLoop]: Abstraction has has 56 places, 53 transitions, 396 flow [2021-03-25 04:50:46,583 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 176.0) internal successors, (528), 3 states have internal predecessors, (528), 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) [2021-03-25 04:50:46,583 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:50:46,584 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:50:46,584 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-25 04:50:46,584 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:50:46,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:50:46,584 INFO L82 PathProgramCache]: Analyzing trace with hash 1059378055, now seen corresponding path program 1 times [2021-03-25 04:50:46,584 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:50:46,584 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880084559] [2021-03-25 04:50:46,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:50:46,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:50:46,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:50:46,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:50:46,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:50:46,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:50:46,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:50:46,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 04:50:46,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 04:50:46,641 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880084559] [2021-03-25 04:50:46,641 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:50:46,641 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 04:50:46,642 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761098159] [2021-03-25 04:50:46,642 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 04:50:46,642 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:50:46,642 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 04:50:46,642 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-25 04:50:46,643 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 200 [2021-03-25 04:50:46,643 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 53 transitions, 396 flow. Second operand has 4 states, 4 states have (on average 163.75) internal successors, (655), 4 states have internal predecessors, (655), 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) [2021-03-25 04:50:46,643 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:50:46,643 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 200 [2021-03-25 04:50:46,643 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:50:46,961 INFO L129 PetriNetUnfolder]: 2123/3981 cut-off events. [2021-03-25 04:50:46,961 INFO L130 PetriNetUnfolder]: For 2819/3102 co-relation queries the response was YES. [2021-03-25 04:50:46,976 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9166 conditions, 3981 events. 2123/3981 cut-off events. For 2819/3102 co-relation queries the response was YES. Maximal size of possible extension queue 726. Compared 34568 event pairs, 995 based on Foata normal form. 265/3465 useless extension candidates. Maximal degree in co-relation 9144. Up to 2840 conditions per place. [2021-03-25 04:50:46,989 INFO L132 encePairwiseOnDemand]: 193/200 looper letters, 12 selfloop transitions, 10 changer transitions 0/67 dead transitions. [2021-03-25 04:50:46,989 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 67 transitions, 468 flow [2021-03-25 04:50:46,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 04:50:46,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 04:50:46,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 839 transitions. [2021-03-25 04:50:46,991 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.839 [2021-03-25 04:50:46,991 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 839 transitions. [2021-03-25 04:50:46,991 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 839 transitions. [2021-03-25 04:50:46,991 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:50:46,991 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 839 transitions. [2021-03-25 04:50:46,992 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 167.8) internal successors, (839), 5 states have internal predecessors, (839), 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) [2021-03-25 04:50:46,994 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 200.0) internal successors, (1200), 6 states have internal predecessors, (1200), 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) [2021-03-25 04:50:46,994 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 200.0) internal successors, (1200), 6 states have internal predecessors, (1200), 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) [2021-03-25 04:50:46,994 INFO L185 Difference]: Start difference. First operand has 56 places, 53 transitions, 396 flow. Second operand 5 states and 839 transitions. [2021-03-25 04:50:46,994 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 67 transitions, 468 flow [2021-03-25 04:50:46,997 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 67 transitions, 450 flow, removed 4 selfloop flow, removed 1 redundant places. [2021-03-25 04:50:46,998 INFO L241 Difference]: Finished difference. Result has 62 places, 62 transitions, 453 flow [2021-03-25 04:50:46,998 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=200, PETRI_DIFFERENCE_MINUEND_FLOW=378, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=53, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=453, PETRI_PLACES=62, PETRI_TRANSITIONS=62} [2021-03-25 04:50:46,999 INFO L343 CegarLoopForPetriNet]: 57 programPoint places, 5 predicate places. [2021-03-25 04:50:46,999 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:50:46,999 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 62 places, 62 transitions, 453 flow [2021-03-25 04:50:46,999 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 62 places, 62 transitions, 453 flow [2021-03-25 04:50:46,999 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 62 places, 62 transitions, 453 flow [2021-03-25 04:50:47,243 INFO L129 PetriNetUnfolder]: 1523/3035 cut-off events. [2021-03-25 04:50:47,244 INFO L130 PetriNetUnfolder]: For 4004/5041 co-relation queries the response was YES. [2021-03-25 04:50:47,255 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9400 conditions, 3035 events. 1523/3035 cut-off events. For 4004/5041 co-relation queries the response was YES. Maximal size of possible extension queue 529. Compared 26394 event pairs, 692 based on Foata normal form. 18/2731 useless extension candidates. Maximal degree in co-relation 9376. Up to 2101 conditions per place. [2021-03-25 04:50:47,280 INFO L142 LiptonReduction]: Number of co-enabled transitions 1200 [2021-03-25 04:50:48,834 INFO L154 LiptonReduction]: Checked pairs total: 1219 [2021-03-25 04:50:48,834 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 04:50:48,834 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1835 [2021-03-25 04:50:48,835 INFO L480 AbstractCegarLoop]: Abstraction has has 62 places, 61 transitions, 447 flow [2021-03-25 04:50:48,835 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 163.75) internal successors, (655), 4 states have internal predecessors, (655), 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) [2021-03-25 04:50:48,835 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:50:48,835 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:50:48,835 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-25 04:50:48,835 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:50:48,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:50:48,836 INFO L82 PathProgramCache]: Analyzing trace with hash -369542552, now seen corresponding path program 1 times [2021-03-25 04:50:48,836 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:50:48,836 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209550115] [2021-03-25 04:50:48,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:50:48,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:50:48,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:50:48,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 04:50:48,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:50:48,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:50:48,862 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-03-25 04:50:48,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 04:50:48,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 04:50:48,869 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209550115] [2021-03-25 04:50:48,869 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:50:48,869 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 04:50:48,869 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020529034] [2021-03-25 04:50:48,870 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 04:50:48,870 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:50:48,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 04:50:48,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-03-25 04:50:48,871 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 157 out of 200 [2021-03-25 04:50:48,871 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 61 transitions, 447 flow. Second operand has 4 states, 4 states have (on average 158.25) internal successors, (633), 4 states have internal predecessors, (633), 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) [2021-03-25 04:50:48,871 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:50:48,871 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 157 of 200 [2021-03-25 04:50:48,871 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:50:49,179 INFO L129 PetriNetUnfolder]: 1972/3766 cut-off events. [2021-03-25 04:50:49,179 INFO L130 PetriNetUnfolder]: For 6153/7804 co-relation queries the response was YES. [2021-03-25 04:50:49,191 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11878 conditions, 3766 events. 1972/3766 cut-off events. For 6153/7804 co-relation queries the response was YES. Maximal size of possible extension queue 594. Compared 31889 event pairs, 1001 based on Foata normal form. 98/3470 useless extension candidates. Maximal degree in co-relation 11852. Up to 2695 conditions per place. [2021-03-25 04:50:49,199 INFO L132 encePairwiseOnDemand]: 191/200 looper letters, 22 selfloop transitions, 28 changer transitions 1/74 dead transitions. [2021-03-25 04:50:49,199 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 74 transitions, 683 flow [2021-03-25 04:50:49,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-25 04:50:49,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-25 04:50:49,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 650 transitions. [2021-03-25 04:50:49,201 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8125 [2021-03-25 04:50:49,201 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 650 transitions. [2021-03-25 04:50:49,201 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 650 transitions. [2021-03-25 04:50:49,201 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:50:49,202 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 650 transitions. [2021-03-25 04:50:49,203 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 162.5) internal successors, (650), 4 states have internal predecessors, (650), 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) [2021-03-25 04:50:49,203 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 200.0) internal successors, (1000), 5 states have internal predecessors, (1000), 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) [2021-03-25 04:50:49,204 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 200.0) internal successors, (1000), 5 states have internal predecessors, (1000), 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) [2021-03-25 04:50:49,204 INFO L185 Difference]: Start difference. First operand has 62 places, 61 transitions, 447 flow. Second operand 4 states and 650 transitions. [2021-03-25 04:50:49,204 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 74 transitions, 683 flow [2021-03-25 04:50:49,236 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 74 transitions, 676 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-03-25 04:50:49,238 INFO L241 Difference]: Finished difference. Result has 64 places, 67 transitions, 652 flow [2021-03-25 04:50:49,238 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=200, PETRI_DIFFERENCE_MINUEND_FLOW=416, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=57, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=652, PETRI_PLACES=64, PETRI_TRANSITIONS=67} [2021-03-25 04:50:49,238 INFO L343 CegarLoopForPetriNet]: 57 programPoint places, 7 predicate places. [2021-03-25 04:50:49,238 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:50:49,238 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 64 places, 67 transitions, 652 flow [2021-03-25 04:50:49,238 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 64 places, 67 transitions, 652 flow [2021-03-25 04:50:49,238 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 64 places, 67 transitions, 652 flow [2021-03-25 04:50:49,446 INFO L129 PetriNetUnfolder]: 1889/3582 cut-off events. [2021-03-25 04:50:49,446 INFO L130 PetriNetUnfolder]: For 4908/5580 co-relation queries the response was YES. [2021-03-25 04:50:49,460 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10932 conditions, 3582 events. 1889/3582 cut-off events. For 4908/5580 co-relation queries the response was YES. Maximal size of possible extension queue 550. Compared 30660 event pairs, 956 based on Foata normal form. 8/3258 useless extension candidates. Maximal degree in co-relation 10905. Up to 2589 conditions per place. [2021-03-25 04:50:49,488 INFO L142 LiptonReduction]: Number of co-enabled transitions 1128 [2021-03-25 04:50:50,498 INFO L154 LiptonReduction]: Checked pairs total: 829 [2021-03-25 04:50:50,498 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 04:50:50,498 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1260 [2021-03-25 04:50:50,499 INFO L480 AbstractCegarLoop]: Abstraction has has 64 places, 67 transitions, 652 flow [2021-03-25 04:50:50,499 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 158.25) internal successors, (633), 4 states have internal predecessors, (633), 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) [2021-03-25 04:50:50,499 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:50:50,499 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:50:50,499 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-25 04:50:50,499 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:50:50,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:50:50,499 INFO L82 PathProgramCache]: Analyzing trace with hash 649200874, now seen corresponding path program 1 times [2021-03-25 04:50:50,500 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:50:50,500 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815499048] [2021-03-25 04:50:50,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:50:50,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:50:50,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:50:50,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:50:50,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:50:50,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:50:50,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:50:50,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:50:50,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:50:50,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 04:50:50,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 04:50:50,535 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815499048] [2021-03-25 04:50:50,535 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:50:50,535 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-25 04:50:50,535 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562708099] [2021-03-25 04:50:50,535 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 04:50:50,536 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:50:50,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 04:50:50,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-25 04:50:50,536 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 200 [2021-03-25 04:50:50,537 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 67 transitions, 652 flow. Second operand has 5 states, 5 states have (on average 163.8) internal successors, (819), 5 states have internal predecessors, (819), 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) [2021-03-25 04:50:50,537 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:50:50,537 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 200 [2021-03-25 04:50:50,537 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:50:50,945 INFO L129 PetriNetUnfolder]: 2304/4363 cut-off events. [2021-03-25 04:50:50,946 INFO L130 PetriNetUnfolder]: For 5309/9351 co-relation queries the response was YES. [2021-03-25 04:50:50,964 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16131 conditions, 4363 events. 2304/4363 cut-off events. For 5309/9351 co-relation queries the response was YES. Maximal size of possible extension queue 693. Compared 36872 event pairs, 311 based on Foata normal form. 664/4609 useless extension candidates. Maximal degree in co-relation 16102. Up to 3224 conditions per place. [2021-03-25 04:50:50,981 INFO L132 encePairwiseOnDemand]: 193/200 looper letters, 13 selfloop transitions, 14 changer transitions 0/82 dead transitions. [2021-03-25 04:50:50,982 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 82 transitions, 786 flow [2021-03-25 04:50:50,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-25 04:50:50,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-25 04:50:50,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1007 transitions. [2021-03-25 04:50:50,984 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8391666666666666 [2021-03-25 04:50:50,984 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1007 transitions. [2021-03-25 04:50:50,984 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1007 transitions. [2021-03-25 04:50:50,984 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:50:50,984 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1007 transitions. [2021-03-25 04:50:50,986 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 167.83333333333334) internal successors, (1007), 6 states have internal predecessors, (1007), 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) [2021-03-25 04:50:50,988 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 200.0) internal successors, (1400), 7 states have internal predecessors, (1400), 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) [2021-03-25 04:50:50,989 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 200.0) internal successors, (1400), 7 states have internal predecessors, (1400), 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) [2021-03-25 04:50:50,989 INFO L185 Difference]: Start difference. First operand has 64 places, 67 transitions, 652 flow. Second operand 6 states and 1007 transitions. [2021-03-25 04:50:50,989 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 82 transitions, 786 flow [2021-03-25 04:50:50,994 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 82 transitions, 786 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-25 04:50:50,996 INFO L241 Difference]: Finished difference. Result has 72 places, 76 transitions, 772 flow [2021-03-25 04:50:50,997 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=200, PETRI_DIFFERENCE_MINUEND_FLOW=652, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=67, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=772, PETRI_PLACES=72, PETRI_TRANSITIONS=76} [2021-03-25 04:50:50,997 INFO L343 CegarLoopForPetriNet]: 57 programPoint places, 15 predicate places. [2021-03-25 04:50:50,997 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:50:50,997 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 72 places, 76 transitions, 772 flow [2021-03-25 04:50:50,997 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 72 places, 76 transitions, 772 flow [2021-03-25 04:50:50,997 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 72 places, 76 transitions, 772 flow [2021-03-25 04:50:51,192 INFO L129 PetriNetUnfolder]: 1495/3114 cut-off events. [2021-03-25 04:50:51,192 INFO L130 PetriNetUnfolder]: For 8252/10216 co-relation queries the response was YES. [2021-03-25 04:50:51,205 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14322 conditions, 3114 events. 1495/3114 cut-off events. For 8252/10216 co-relation queries the response was YES. Maximal size of possible extension queue 489. Compared 27084 event pairs, 278 based on Foata normal form. 68/3024 useless extension candidates. Maximal degree in co-relation 14290. Up to 2368 conditions per place. [2021-03-25 04:50:51,237 INFO L142 LiptonReduction]: Number of co-enabled transitions 1524 [2021-03-25 04:50:54,145 INFO L154 LiptonReduction]: Checked pairs total: 2171 [2021-03-25 04:50:54,145 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 04:50:54,145 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3148 [2021-03-25 04:50:54,146 INFO L480 AbstractCegarLoop]: Abstraction has has 72 places, 75 transitions, 764 flow [2021-03-25 04:50:54,146 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 163.8) internal successors, (819), 5 states have internal predecessors, (819), 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) [2021-03-25 04:50:54,146 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:50:54,147 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] [2021-03-25 04:50:54,147 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-25 04:50:54,147 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:50:54,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:50:54,147 INFO L82 PathProgramCache]: Analyzing trace with hash -1679069260, now seen corresponding path program 1 times [2021-03-25 04:50:54,147 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:50:54,147 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013464300] [2021-03-25 04:50:54,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:50:54,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:50:54,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:50:54,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:50:54,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:50:54,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:50:54,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:50:54,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:50:54,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:50:54,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:50:54,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:50:54,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 04:50:54,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 04:50:54,194 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013464300] [2021-03-25 04:50:54,194 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:50:54,194 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-25 04:50:54,194 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665846849] [2021-03-25 04:50:54,194 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-25 04:50:54,194 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:50:54,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-25 04:50:54,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-03-25 04:50:54,195 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 200 [2021-03-25 04:50:54,196 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 75 transitions, 764 flow. Second operand has 6 states, 6 states have (on average 163.83333333333334) internal successors, (983), 6 states have internal predecessors, (983), 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) [2021-03-25 04:50:54,196 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:50:54,196 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 200 [2021-03-25 04:50:54,196 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:50:54,461 INFO L129 PetriNetUnfolder]: 1597/3110 cut-off events. [2021-03-25 04:50:54,461 INFO L130 PetriNetUnfolder]: For 8137/13640 co-relation queries the response was YES. [2021-03-25 04:50:54,474 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15473 conditions, 3110 events. 1597/3110 cut-off events. For 8137/13640 co-relation queries the response was YES. Maximal size of possible extension queue 456. Compared 24514 event pairs, 45 based on Foata normal form. 689/3472 useless extension candidates. Maximal degree in co-relation 15439. Up to 2219 conditions per place. [2021-03-25 04:50:54,480 INFO L132 encePairwiseOnDemand]: 193/200 looper letters, 10 selfloop transitions, 18 changer transitions 5/87 dead transitions. [2021-03-25 04:50:54,481 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 87 transitions, 920 flow [2021-03-25 04:50:54,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 04:50:54,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 04:50:54,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1175 transitions. [2021-03-25 04:50:54,483 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8392857142857143 [2021-03-25 04:50:54,483 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1175 transitions. [2021-03-25 04:50:54,483 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1175 transitions. [2021-03-25 04:50:54,483 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:50:54,483 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1175 transitions. [2021-03-25 04:50:54,485 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 167.85714285714286) internal successors, (1175), 7 states have internal predecessors, (1175), 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) [2021-03-25 04:50:54,487 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 200.0) internal successors, (1600), 8 states have internal predecessors, (1600), 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) [2021-03-25 04:50:54,487 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 200.0) internal successors, (1600), 8 states have internal predecessors, (1600), 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) [2021-03-25 04:50:54,487 INFO L185 Difference]: Start difference. First operand has 72 places, 75 transitions, 764 flow. Second operand 7 states and 1175 transitions. [2021-03-25 04:50:54,487 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 87 transitions, 920 flow [2021-03-25 04:50:54,586 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 87 transitions, 842 flow, removed 28 selfloop flow, removed 6 redundant places. [2021-03-25 04:50:54,588 INFO L241 Difference]: Finished difference. Result has 73 places, 79 transitions, 794 flow [2021-03-25 04:50:54,588 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=200, PETRI_DIFFERENCE_MINUEND_FLOW=670, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=71, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=794, PETRI_PLACES=73, PETRI_TRANSITIONS=79} [2021-03-25 04:50:54,588 INFO L343 CegarLoopForPetriNet]: 57 programPoint places, 16 predicate places. [2021-03-25 04:50:54,589 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:50:54,589 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 73 places, 79 transitions, 794 flow [2021-03-25 04:50:54,589 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 73 places, 79 transitions, 794 flow [2021-03-25 04:50:54,589 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 73 places, 79 transitions, 794 flow [2021-03-25 04:50:54,694 INFO L129 PetriNetUnfolder]: 762/1821 cut-off events. [2021-03-25 04:50:54,694 INFO L130 PetriNetUnfolder]: For 5128/5431 co-relation queries the response was YES. [2021-03-25 04:50:54,701 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8469 conditions, 1821 events. 762/1821 cut-off events. For 5128/5431 co-relation queries the response was YES. Maximal size of possible extension queue 238. Compared 15175 event pairs, 41 based on Foata normal form. 1/1740 useless extension candidates. Maximal degree in co-relation 8438. Up to 1236 conditions per place. [2021-03-25 04:50:54,713 INFO L142 LiptonReduction]: Number of co-enabled transitions 1394 [2021-03-25 04:50:55,902 INFO L154 LiptonReduction]: Checked pairs total: 2609 [2021-03-25 04:50:55,902 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 04:50:55,902 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1313 [2021-03-25 04:50:55,903 INFO L480 AbstractCegarLoop]: Abstraction has has 73 places, 78 transitions, 784 flow [2021-03-25 04:50:55,903 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 163.83333333333334) internal successors, (983), 6 states have internal predecessors, (983), 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) [2021-03-25 04:50:55,903 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:50:55,903 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:50:55,903 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-25 04:50:55,903 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:50:55,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:50:55,904 INFO L82 PathProgramCache]: Analyzing trace with hash -1983156511, now seen corresponding path program 1 times [2021-03-25 04:50:55,904 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:50:55,904 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853687462] [2021-03-25 04:50:55,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:50:55,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:50:55,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:50:55,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:50:55,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:50:55,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:50:55,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:50:55,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:50:55,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:50:55,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:50:55,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:50:55,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:50:55,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:50:55,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 04:50:55,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 04:50:55,982 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853687462] [2021-03-25 04:50:55,982 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:50:55,982 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-25 04:50:55,982 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784119663] [2021-03-25 04:50:55,982 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-25 04:50:55,982 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:50:55,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-25 04:50:55,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-25 04:50:55,983 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 200 [2021-03-25 04:50:55,984 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 78 transitions, 784 flow. Second operand has 7 states, 7 states have (on average 163.85714285714286) internal successors, (1147), 7 states have internal predecessors, (1147), 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) [2021-03-25 04:50:55,984 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:50:55,984 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 200 [2021-03-25 04:50:55,984 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:50:56,213 INFO L129 PetriNetUnfolder]: 1290/2437 cut-off events. [2021-03-25 04:50:56,213 INFO L130 PetriNetUnfolder]: For 7198/10468 co-relation queries the response was YES. [2021-03-25 04:50:56,221 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11360 conditions, 2437 events. 1290/2437 cut-off events. For 7198/10468 co-relation queries the response was YES. Maximal size of possible extension queue 405. Compared 17759 event pairs, 17 based on Foata normal form. 386/2513 useless extension candidates. Maximal degree in co-relation 11327. Up to 1447 conditions per place. [2021-03-25 04:50:56,224 INFO L132 encePairwiseOnDemand]: 193/200 looper letters, 6 selfloop transitions, 18 changer transitions 8/83 dead transitions. [2021-03-25 04:50:56,224 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 83 transitions, 850 flow [2021-03-25 04:50:56,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 04:50:56,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 04:50:56,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1335 transitions. [2021-03-25 04:50:56,227 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.834375 [2021-03-25 04:50:56,227 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1335 transitions. [2021-03-25 04:50:56,227 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1335 transitions. [2021-03-25 04:50:56,228 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:50:56,228 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1335 transitions. [2021-03-25 04:50:56,229 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 166.875) internal successors, (1335), 8 states have internal predecessors, (1335), 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) [2021-03-25 04:50:56,231 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 200.0) internal successors, (1800), 9 states have internal predecessors, (1800), 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) [2021-03-25 04:50:56,232 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 200.0) internal successors, (1800), 9 states have internal predecessors, (1800), 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) [2021-03-25 04:50:56,232 INFO L185 Difference]: Start difference. First operand has 73 places, 78 transitions, 784 flow. Second operand 8 states and 1335 transitions. [2021-03-25 04:50:56,232 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 83 transitions, 850 flow [2021-03-25 04:50:56,302 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 83 transitions, 807 flow, removed 15 selfloop flow, removed 4 redundant places. [2021-03-25 04:50:56,303 INFO L241 Difference]: Finished difference. Result has 77 places, 72 transitions, 713 flow [2021-03-25 04:50:56,304 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=200, PETRI_DIFFERENCE_MINUEND_FLOW=693, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=713, PETRI_PLACES=77, PETRI_TRANSITIONS=72} [2021-03-25 04:50:56,304 INFO L343 CegarLoopForPetriNet]: 57 programPoint places, 20 predicate places. [2021-03-25 04:50:56,304 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:50:56,304 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 77 places, 72 transitions, 713 flow [2021-03-25 04:50:56,304 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 77 places, 72 transitions, 713 flow [2021-03-25 04:50:56,304 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 76 places, 72 transitions, 713 flow [2021-03-25 04:50:56,358 INFO L129 PetriNetUnfolder]: 352/917 cut-off events. [2021-03-25 04:50:56,359 INFO L130 PetriNetUnfolder]: For 2431/2562 co-relation queries the response was YES. [2021-03-25 04:50:56,361 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4022 conditions, 917 events. 352/917 cut-off events. For 2431/2562 co-relation queries the response was YES. Maximal size of possible extension queue 133. Compared 6793 event pairs, 7 based on Foata normal form. 1/870 useless extension candidates. Maximal degree in co-relation 3989. Up to 360 conditions per place. [2021-03-25 04:50:56,366 INFO L142 LiptonReduction]: Number of co-enabled transitions 1042 [2021-03-25 04:50:56,647 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-03-25 04:50:56,762 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-03-25 04:50:57,125 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2021-03-25 04:50:57,250 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2021-03-25 04:50:57,311 INFO L154 LiptonReduction]: Checked pairs total: 2886 [2021-03-25 04:50:57,311 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-25 04:50:57,311 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1007 [2021-03-25 04:50:57,312 INFO L480 AbstractCegarLoop]: Abstraction has has 73 places, 69 transitions, 697 flow [2021-03-25 04:50:57,312 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 163.85714285714286) internal successors, (1147), 7 states have internal predecessors, (1147), 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) [2021-03-25 04:50:57,312 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:50:57,312 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:50:57,312 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-25 04:50:57,312 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:50:57,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:50:57,313 INFO L82 PathProgramCache]: Analyzing trace with hash -1807968437, now seen corresponding path program 1 times [2021-03-25 04:50:57,313 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:50:57,313 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281427874] [2021-03-25 04:50:57,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:50:57,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:50:57,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:50:57,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 04:50:57,408 INFO L142 QuantifierPusher]: treesize reduction 7, result has 83.3 percent of original size [2021-03-25 04:50:57,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 04:50:57,430 INFO L142 QuantifierPusher]: treesize reduction 12, result has 85.0 percent of original size [2021-03-25 04:50:57,432 INFO L147 QuantifierPusher]: treesize reduction 9, result has 86.8 percent of original size 59 [2021-03-25 04:50:57,472 INFO L142 QuantifierPusher]: treesize reduction 17, result has 74.6 percent of original size [2021-03-25 04:50:57,474 INFO L147 QuantifierPusher]: treesize reduction 9, result has 82.0 percent of original size 41 [2021-03-25 04:50:57,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:50:57,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 04:50:57,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:50:57,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 04:50:57,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 04:50:57,517 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281427874] [2021-03-25 04:50:57,517 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:50:57,517 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-25 04:50:57,517 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652659337] [2021-03-25 04:50:57,517 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 04:50:57,517 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:50:57,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 04:50:57,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-03-25 04:50:57,518 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 145 out of 202 [2021-03-25 04:50:57,519 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 69 transitions, 697 flow. Second operand has 8 states, 8 states have (on average 146.125) internal successors, (1169), 8 states have internal predecessors, (1169), 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) [2021-03-25 04:50:57,519 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:50:57,519 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 145 of 202 [2021-03-25 04:50:57,519 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:50:57,969 INFO L129 PetriNetUnfolder]: 1719/3660 cut-off events. [2021-03-25 04:50:57,969 INFO L130 PetriNetUnfolder]: For 9835/10412 co-relation queries the response was YES. [2021-03-25 04:50:57,983 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13553 conditions, 3660 events. 1719/3660 cut-off events. For 9835/10412 co-relation queries the response was YES. Maximal size of possible extension queue 425. Compared 32682 event pairs, 162 based on Foata normal form. 71/3515 useless extension candidates. Maximal degree in co-relation 13519. Up to 1080 conditions per place. [2021-03-25 04:50:57,986 INFO L132 encePairwiseOnDemand]: 197/202 looper letters, 10 selfloop transitions, 8 changer transitions 26/85 dead transitions. [2021-03-25 04:50:57,986 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 85 transitions, 841 flow [2021-03-25 04:50:57,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-25 04:50:57,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-25 04:50:57,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 890 transitions. [2021-03-25 04:50:57,988 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7343234323432343 [2021-03-25 04:50:57,988 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 890 transitions. [2021-03-25 04:50:57,988 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 890 transitions. [2021-03-25 04:50:57,989 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:50:57,989 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 890 transitions. [2021-03-25 04:50:57,990 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 148.33333333333334) internal successors, (890), 6 states have internal predecessors, (890), 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) [2021-03-25 04:50:57,991 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 202.0) internal successors, (1414), 7 states have internal predecessors, (1414), 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) [2021-03-25 04:50:57,991 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 202.0) internal successors, (1414), 7 states have internal predecessors, (1414), 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) [2021-03-25 04:50:57,991 INFO L185 Difference]: Start difference. First operand has 73 places, 69 transitions, 697 flow. Second operand 6 states and 890 transitions. [2021-03-25 04:50:57,991 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 85 transitions, 841 flow [2021-03-25 04:50:58,139 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 85 transitions, 772 flow, removed 19 selfloop flow, removed 8 redundant places. [2021-03-25 04:50:58,140 INFO L241 Difference]: Finished difference. Result has 71 places, 53 transitions, 437 flow [2021-03-25 04:50:58,140 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=202, PETRI_DIFFERENCE_MINUEND_FLOW=628, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=437, PETRI_PLACES=71, PETRI_TRANSITIONS=53} [2021-03-25 04:50:58,140 INFO L343 CegarLoopForPetriNet]: 57 programPoint places, 14 predicate places. [2021-03-25 04:50:58,140 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:50:58,140 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 71 places, 53 transitions, 437 flow [2021-03-25 04:50:58,140 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 71 places, 53 transitions, 437 flow [2021-03-25 04:50:58,140 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 71 places, 53 transitions, 437 flow [2021-03-25 04:50:58,163 INFO L129 PetriNetUnfolder]: 161/397 cut-off events. [2021-03-25 04:50:58,163 INFO L130 PetriNetUnfolder]: For 895/954 co-relation queries the response was YES. [2021-03-25 04:50:58,164 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1317 conditions, 397 events. 161/397 cut-off events. For 895/954 co-relation queries the response was YES. Maximal size of possible extension queue 69. Compared 2387 event pairs, 8 based on Foata normal form. 12/384 useless extension candidates. Maximal degree in co-relation 1287. Up to 120 conditions per place. [2021-03-25 04:50:58,166 INFO L142 LiptonReduction]: Number of co-enabled transitions 622 [2021-03-25 04:50:58,175 INFO L154 LiptonReduction]: Checked pairs total: 360 [2021-03-25 04:50:58,175 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 04:50:58,175 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 35 [2021-03-25 04:50:58,175 INFO L480 AbstractCegarLoop]: Abstraction has has 71 places, 53 transitions, 437 flow [2021-03-25 04:50:58,175 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 146.125) internal successors, (1169), 8 states have internal predecessors, (1169), 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) [2021-03-25 04:50:58,176 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:50:58,176 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] [2021-03-25 04:50:58,176 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-03-25 04:50:58,176 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:50:58,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:50:58,176 INFO L82 PathProgramCache]: Analyzing trace with hash 1912294128, now seen corresponding path program 1 times [2021-03-25 04:50:58,176 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:50:58,176 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939413833] [2021-03-25 04:50:58,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:50:58,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-25 04:50:58,219 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-25 04:50:58,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-25 04:50:58,262 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-25 04:50:58,299 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-25 04:50:58,299 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-03-25 04:50:58,300 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-03-25 04:50:58,395 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.03 04:50:58 BasicIcfg [2021-03-25 04:50:58,395 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-25 04:50:58,395 INFO L168 Benchmark]: Toolchain (without parser) took 19484.61 ms. Allocated memory was 346.0 MB in the beginning and 746.6 MB in the end (delta: 400.6 MB). Free memory was 309.3 MB in the beginning and 348.5 MB in the end (delta: -39.2 MB). Peak memory consumption was 364.4 MB. Max. memory is 16.0 GB. [2021-03-25 04:50:58,396 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 346.0 MB. Free memory was 327.3 MB in the beginning and 327.2 MB in the end (delta: 76.3 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-25 04:50:58,396 INFO L168 Benchmark]: CACSL2BoogieTranslator took 414.25 ms. Allocated memory is still 346.0 MB. Free memory was 309.1 MB in the beginning and 305.3 MB in the end (delta: 3.9 MB). Peak memory consumption was 7.5 MB. Max. memory is 16.0 GB. [2021-03-25 04:50:58,396 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.74 ms. Allocated memory is still 346.0 MB. Free memory was 305.3 MB in the beginning and 302.1 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-03-25 04:50:58,396 INFO L168 Benchmark]: Boogie Preprocessor took 36.49 ms. Allocated memory is still 346.0 MB. Free memory was 302.1 MB in the beginning and 300.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-25 04:50:58,396 INFO L168 Benchmark]: RCFGBuilder took 1608.38 ms. Allocated memory is still 346.0 MB. Free memory was 300.0 MB in the beginning and 219.2 MB in the end (delta: 80.8 MB). Peak memory consumption was 154.2 MB. Max. memory is 16.0 GB. [2021-03-25 04:50:58,396 INFO L168 Benchmark]: TraceAbstraction took 17373.81 ms. Allocated memory was 346.0 MB in the beginning and 746.6 MB in the end (delta: 400.6 MB). Free memory was 219.2 MB in the beginning and 348.5 MB in the end (delta: -129.3 MB). Peak memory consumption was 271.2 MB. Max. memory is 16.0 GB. [2021-03-25 04:50:58,397 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 346.0 MB. Free memory was 327.3 MB in the beginning and 327.2 MB in the end (delta: 76.3 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 414.25 ms. Allocated memory is still 346.0 MB. Free memory was 309.1 MB in the beginning and 305.3 MB in the end (delta: 3.9 MB). Peak memory consumption was 7.5 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 47.74 ms. Allocated memory is still 346.0 MB. Free memory was 305.3 MB in the beginning and 302.1 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 36.49 ms. Allocated memory is still 346.0 MB. Free memory was 302.1 MB in the beginning and 300.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 1608.38 ms. Allocated memory is still 346.0 MB. Free memory was 300.0 MB in the beginning and 219.2 MB in the end (delta: 80.8 MB). Peak memory consumption was 154.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 17373.81 ms. Allocated memory was 346.0 MB in the beginning and 746.6 MB in the end (delta: 400.6 MB). Free memory was 219.2 MB in the beginning and 348.5 MB in the end (delta: -129.3 MB). Peak memory consumption was 271.2 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2313.2ms, 121 PlacesBefore, 57 PlacesAfterwards, 110 TransitionsBefore, 45 TransitionsAfterwards, 2672 CoEnabledTransitionPairs, 5 FixpointIterations, 30 TrivialSequentialCompositions, 39 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 4 ConcurrentYvCompositions, 1 ChoiceCompositions, 74 TotalNumberOfCompositions, 4891 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2446, positive: 2342, positive conditional: 0, positive unconditional: 2342, negative: 104, negative conditional: 0, negative unconditional: 104, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1300, positive: 1269, positive conditional: 0, positive unconditional: 1269, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1300, positive: 1269, positive conditional: 0, positive unconditional: 1269, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2446, positive: 1073, positive conditional: 0, positive unconditional: 1073, negative: 73, negative conditional: 0, negative unconditional: 73, unknown: 1300, unknown conditional: 0, unknown unconditional: 1300] , Statistics on independence cache: Total cache size (in pairs): 154, Positive cache size: 140, Positive conditional cache size: 0, Positive unconditional cache size: 140, Negative cache size: 14, Negative conditional cache size: 0, Negative unconditional cache size: 14 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 825.5ms, 53 PlacesBefore, 42 PlacesAfterwards, 42 TransitionsBefore, 31 TransitionsAfterwards, 608 CoEnabledTransitionPairs, 4 FixpointIterations, 7 TrivialSequentialCompositions, 4 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 11 TotalNumberOfCompositions, 2552 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 490, positive: 372, positive conditional: 0, positive unconditional: 372, negative: 118, negative conditional: 0, negative unconditional: 118, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 100, positive: 77, positive conditional: 0, positive unconditional: 77, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 100, positive: 77, positive conditional: 0, positive unconditional: 77, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 490, positive: 295, positive conditional: 0, positive unconditional: 295, negative: 95, negative conditional: 0, negative unconditional: 95, unknown: 100, unknown conditional: 0, unknown unconditional: 100] , Statistics on independence cache: Total cache size (in pairs): 166, Positive cache size: 137, Positive conditional cache size: 0, Positive unconditional cache size: 137, Negative cache size: 29, Negative conditional cache size: 0, Negative unconditional cache size: 29 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 817.3ms, 46 PlacesBefore, 41 PlacesAfterwards, 31 TransitionsBefore, 30 TransitionsAfterwards, 470 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 936 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 216, positive: 168, positive conditional: 0, positive unconditional: 168, negative: 48, negative conditional: 0, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 4, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 216, positive: 167, positive conditional: 0, positive unconditional: 167, negative: 45, negative conditional: 0, negative unconditional: 45, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , Statistics on independence cache: Total cache size (in pairs): 170, Positive cache size: 138, Positive conditional cache size: 0, Positive unconditional cache size: 138, Negative cache size: 32, Negative conditional cache size: 0, Negative unconditional cache size: 32 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 119.0ms, 45 PlacesBefore, 45 PlacesAfterwards, 41 TransitionsBefore, 41 TransitionsAfterwards, 644 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 421 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 52, positive: 37, positive conditional: 0, positive unconditional: 37, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 3, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 52, positive: 36, positive conditional: 0, positive unconditional: 36, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , Statistics on independence cache: Total cache size (in pairs): 173, Positive cache size: 139, Positive conditional cache size: 0, Positive unconditional cache size: 139, Negative cache size: 34, Negative conditional cache size: 0, Negative unconditional cache size: 34 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 71.9ms, 51 PlacesBefore, 51 PlacesAfterwards, 56 TransitionsBefore, 56 TransitionsAfterwards, 852 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 663 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 126, positive: 107, positive conditional: 0, positive unconditional: 107, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 126, positive: 104, positive conditional: 0, positive unconditional: 104, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , Statistics on independence cache: Total cache size (in pairs): 176, Positive cache size: 142, Positive conditional cache size: 0, Positive unconditional cache size: 142, Negative cache size: 34, Negative conditional cache size: 0, Negative unconditional cache size: 34 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 80.6ms, 54 PlacesBefore, 54 PlacesAfterwards, 55 TransitionsBefore, 55 TransitionsAfterwards, 834 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 717 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 130, positive: 109, positive conditional: 0, positive unconditional: 109, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 130, positive: 109, positive conditional: 0, positive unconditional: 109, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 176, Positive cache size: 142, Positive conditional cache size: 0, Positive unconditional cache size: 142, Negative cache size: 34, Negative conditional cache size: 0, Negative unconditional cache size: 34 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 100.7ms, 56 PlacesBefore, 56 PlacesAfterwards, 53 TransitionsBefore, 53 TransitionsAfterwards, 800 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 674 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 126, positive: 105, positive conditional: 0, positive unconditional: 105, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 126, positive: 105, positive conditional: 0, positive unconditional: 105, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 176, Positive cache size: 142, Positive conditional cache size: 0, Positive unconditional cache size: 142, Negative cache size: 34, Negative conditional cache size: 0, Negative unconditional cache size: 34 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1835.2ms, 62 PlacesBefore, 62 PlacesAfterwards, 62 TransitionsBefore, 61 TransitionsAfterwards, 1200 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 1219 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 69, positive: 37, positive conditional: 0, positive unconditional: 37, negative: 32, negative conditional: 0, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 10, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 69, positive: 29, positive conditional: 0, positive unconditional: 29, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 10, unknown conditional: 0, unknown unconditional: 10] , Statistics on independence cache: Total cache size (in pairs): 173, Positive cache size: 138, Positive conditional cache size: 0, Positive unconditional cache size: 138, Negative cache size: 35, Negative conditional cache size: 0, Negative unconditional cache size: 35 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1260.1ms, 64 PlacesBefore, 64 PlacesAfterwards, 67 TransitionsBefore, 67 TransitionsAfterwards, 1128 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 829 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 19, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 19, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 173, Positive cache size: 138, Positive conditional cache size: 0, Positive unconditional cache size: 138, Negative cache size: 35, Negative conditional cache size: 0, Negative unconditional cache size: 35 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3148.4ms, 72 PlacesBefore, 72 PlacesAfterwards, 76 TransitionsBefore, 75 TransitionsAfterwards, 1524 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 2171 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 660, positive: 618, positive conditional: 0, positive unconditional: 618, negative: 42, negative conditional: 0, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 30, positive: 29, positive conditional: 0, positive unconditional: 29, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 30, positive: 29, positive conditional: 0, positive unconditional: 29, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 660, positive: 589, positive conditional: 0, positive unconditional: 589, negative: 41, negative conditional: 0, negative unconditional: 41, unknown: 30, unknown conditional: 0, unknown unconditional: 30] , Statistics on independence cache: Total cache size (in pairs): 191, Positive cache size: 155, Positive conditional cache size: 0, Positive unconditional cache size: 155, Negative cache size: 36, Negative conditional cache size: 0, Negative unconditional cache size: 36 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1313.5ms, 73 PlacesBefore, 73 PlacesAfterwards, 79 TransitionsBefore, 78 TransitionsAfterwards, 1394 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 2609 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 562, positive: 508, positive conditional: 0, positive unconditional: 508, negative: 54, negative conditional: 0, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 9, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 562, positive: 499, positive conditional: 0, positive unconditional: 499, negative: 54, negative conditional: 0, negative unconditional: 54, unknown: 9, unknown conditional: 0, unknown unconditional: 9] , Statistics on independence cache: Total cache size (in pairs): 188, Positive cache size: 152, Positive conditional cache size: 0, Positive unconditional cache size: 152, Negative cache size: 36, Negative conditional cache size: 0, Negative unconditional cache size: 36 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1007.3ms, 77 PlacesBefore, 73 PlacesAfterwards, 72 TransitionsBefore, 69 TransitionsAfterwards, 1042 CoEnabledTransitionPairs, 3 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 2886 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 585, positive: 510, positive conditional: 0, positive unconditional: 510, negative: 75, negative conditional: 0, negative unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 10, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 585, positive: 500, positive conditional: 0, positive unconditional: 500, negative: 75, negative conditional: 0, negative unconditional: 75, unknown: 10, unknown conditional: 0, unknown unconditional: 10] , Statistics on independence cache: Total cache size (in pairs): 158, Positive cache size: 134, Positive conditional cache size: 0, Positive unconditional cache size: 134, Negative cache size: 24, Negative conditional cache size: 0, Negative unconditional cache size: 24 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 34.6ms, 71 PlacesBefore, 71 PlacesAfterwards, 53 TransitionsBefore, 53 TransitionsAfterwards, 622 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 360 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 83, positive: 68, positive conditional: 0, positive unconditional: 68, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 4, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 83, positive: 66, positive conditional: 0, positive unconditional: 66, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , Statistics on independence cache: Total cache size (in pairs): 162, Positive cache size: 136, Positive conditional cache size: 0, Positive unconditional cache size: 136, Negative cache size: 26, Negative conditional cache size: 0, Negative unconditional cache size: 26 - 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; [L712] 0 int __unbuffered_p3_EAX = 0; [L714] 0 int a = 0; [L715] 0 _Bool a$flush_delayed; [L716] 0 int a$mem_tmp; [L717] 0 _Bool a$r_buff0_thd0; [L718] 0 _Bool a$r_buff0_thd1; [L719] 0 _Bool a$r_buff0_thd2; [L720] 0 _Bool a$r_buff0_thd3; [L721] 0 _Bool a$r_buff0_thd4; [L722] 0 _Bool a$r_buff1_thd0; [L723] 0 _Bool a$r_buff1_thd1; [L724] 0 _Bool a$r_buff1_thd2; [L725] 0 _Bool a$r_buff1_thd3; [L726] 0 _Bool a$r_buff1_thd4; [L727] 0 _Bool a$read_delayed; [L728] 0 int *a$read_delayed_var; [L729] 0 int a$w_buff0; [L730] 0 _Bool a$w_buff0_used; [L731] 0 int a$w_buff1; [L732] 0 _Bool a$w_buff1_used; [L733] 0 _Bool main$tmp_guard0; [L734] 0 _Bool main$tmp_guard1; [L736] 0 int x = 0; [L738] 0 int y = 0; [L740] 0 int z = 0; [L741] 0 _Bool weak$$choice0; [L742] 0 _Bool weak$$choice2; [L857] 0 pthread_t t1513; [L858] FCALL, FORK 0 pthread_create(&t1513, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=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] [L859] 0 pthread_t t1514; [L860] FCALL, FORK 0 pthread_create(&t1514, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=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, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L861] 0 pthread_t t1515; [L862] FCALL, FORK 0 pthread_create(&t1515, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=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, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L863] 0 pthread_t t1516; [L864] FCALL, FORK 0 pthread_create(&t1516, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=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, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L746] 1 a$w_buff1 = a$w_buff0 [L747] 1 a$w_buff0 = 1 [L748] 1 a$w_buff1_used = a$w_buff0_used [L749] 1 a$w_buff0_used = (_Bool)1 [L18] COND FALSE 1 !(!expression) [L751] 1 a$r_buff1_thd0 = a$r_buff0_thd0 [L752] 1 a$r_buff1_thd1 = a$r_buff0_thd1 [L753] 1 a$r_buff1_thd2 = a$r_buff0_thd2 [L754] 1 a$r_buff1_thd3 = a$r_buff0_thd3 [L755] 1 a$r_buff1_thd4 = a$r_buff0_thd4 [L756] 1 a$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, a=0, a$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=0, y=0, z=0] [L759] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=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=1, y=0, z=0] [L776] 2 x = 2 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=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=0, z=0] [L779] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=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=1, z=0] [L796] 3 y = 2 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=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] [L799] 3 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=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=1] [L816] 4 z = 2 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=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=2] [L819] 4 weak$$choice0 = __VERIFIER_nondet_bool() [L820] 4 weak$$choice2 = __VERIFIER_nondet_bool() [L821] 4 a$flush_delayed = weak$$choice2 [L822] 4 a$mem_tmp = a [L823] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff1) [L823] 4 a = !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff1) [L824] EXPR 4 weak$$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$w_buff0)) [L824] EXPR 4 !a$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) [L824] EXPR 4 weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff0)) [L824] 4 a$w_buff0 = weak$$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)) [L825] EXPR 4 weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff1 : a$w_buff1)) [L825] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff1 : a$w_buff1) [L825] EXPR 4 weak$$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$w_buff1)) [L825] 4 a$w_buff1 = weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff1 : a$w_buff1)) [L826] EXPR 4 weak$$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)) [L826] 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) [L826] EXPR 4 weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used)) [L826] 4 a$w_buff0_used = weak$$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)) [L827] EXPR 4 weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L827] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0) [L827] EXPR 4 weak$$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$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L827] 4 a$w_buff1_used = weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L828] EXPR 4 weak$$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)) [L828] 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) [L828] EXPR 4 weak$$choice2 ? a$r_buff0_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff0_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4)) [L828] 4 a$r_buff0_thd4 = weak$$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)) [L829] EXPR 4 weak$$choice2 ? a$r_buff1_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff1_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L829] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff1_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0) [L829] EXPR 4 weak$$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$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L829] 4 a$r_buff1_thd4 = weak$$choice2 ? a$r_buff1_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff1_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L830] 4 __unbuffered_p3_EAX = a [L831] EXPR 4 a$flush_delayed ? a$mem_tmp : a [L831] 4 a = a$flush_delayed ? a$mem_tmp : a [L832] 4 a$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, y=2, z=2] [L782] 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) [L782] EXPR 2 a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a [L782] 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) [L782] 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) [L783] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$w_buff0_used [L783] 2 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$w_buff0_used [L784] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$w_buff1_used [L784] 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 [L785] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$r_buff0_thd2 [L785] 2 a$r_buff0_thd2 = a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$r_buff0_thd2 [L786] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$r_buff1_thd2 [L786] 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 [L802] 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) [L802] EXPR 3 a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a [L802] 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) [L802] 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) [L803] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used [L803] 3 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used [L804] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$w_buff1_used [L804] 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 [L805] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3 [L805] 3 a$r_buff0_thd3 = a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3 [L806] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$r_buff1_thd3 [L806] 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 [L835] 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) [L835] EXPR 4 a$w_buff1_used && a$r_buff1_thd4 ? a$w_buff1 : a [L835] 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) [L835] 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) [L836] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used [L836] 4 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used [L837] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$w_buff1_used [L837] 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 [L838] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4 [L838] 4 a$r_buff0_thd4 = a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4 [L839] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$r_buff1_thd4 [L839] 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 [L762] 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) [L762] 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) [L763] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$w_buff0_used [L763] 1 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$w_buff0_used [L764] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$w_buff1_used [L764] 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 [L765] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$r_buff0_thd1 [L765] 1 a$r_buff0_thd1 = a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$r_buff0_thd1 [L766] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$r_buff1_thd1 [L766] 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 [L769] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L771] 1 return 0; [L789] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L791] 2 return 0; [L809] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L811] 3 return 0; [L842] 4 __unbuffered_cnt = __unbuffered_cnt + 1 [L844] 4 return 0; [L866] 0 main$tmp_guard0 = __unbuffered_cnt == 4 [L3] COND FALSE 0 !(!cond) [L870] 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) [L870] EXPR 0 a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a [L870] 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) [L870] 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) [L871] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$w_buff0_used [L871] 0 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$w_buff0_used [L872] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$w_buff1_used [L872] 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 [L873] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$r_buff0_thd0 [L873] 0 a$r_buff0_thd0 = a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$r_buff0_thd0 [L874] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$r_buff1_thd0 [L874] 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 [L877] 0 main$tmp_guard1 = !(x == 2 && y == 2 && z == 2 && __unbuffered_p3_EAX == 0) [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p3_EAX=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=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 113 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 1.8ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 17194.0ms, OverallIterations: 13, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 3083.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 2366.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 74 SDtfs, 44 SDslu, 41 SDs, 0 SdLazy, 306 SolverSat, 86 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 244.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 49 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 228.5ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=794occurred in iteration=10, InterpolantAutomatonStates: 58, 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: 25.8ms SsaConstructionTime, 266.0ms SatisfiabilityAnalysisTime, 595.7ms InterpolantComputationTime, 228 NumberOfCodeBlocks, 228 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 191 ConstructedInterpolants, 0 QuantifiedInterpolants, 977 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...