/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-RepeatedSemanticLbeWithPredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix025_rmo.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-28 19:11:14,981 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-28 19:11:14,987 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-28 19:11:15,089 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-28 19:11:15,090 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-28 19:11:15,099 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-28 19:11:15,104 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-28 19:11:15,117 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-28 19:11:15,123 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-28 19:11:15,134 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-28 19:11:15,137 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-28 19:11:15,140 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-28 19:11:15,142 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-28 19:11:15,146 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-28 19:11:15,150 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-28 19:11:15,153 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-28 19:11:15,161 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-28 19:11:15,164 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-28 19:11:15,175 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-28 19:11:15,184 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-28 19:11:15,188 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-28 19:11:15,192 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-28 19:11:15,194 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-28 19:11:15,199 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-28 19:11:15,208 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-04-28 19:11:15,226 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-28 19:11:15,228 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-28 19:11:15,229 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-28 19:11:15,232 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-RepeatedSemanticLbeWithPredicates.epf [2021-04-28 19:11:15,293 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-28 19:11:15,293 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-28 19:11:15,296 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-28 19:11:15,297 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-28 19:11:15,297 INFO L138 SettingsManager]: * Use SBE=true [2021-04-28 19:11:15,298 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-28 19:11:15,298 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-28 19:11:15,298 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-28 19:11:15,298 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-28 19:11:15,299 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-28 19:11:15,299 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-28 19:11:15,299 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-28 19:11:15,299 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-28 19:11:15,300 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-28 19:11:15,300 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-28 19:11:15,300 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-28 19:11:15,300 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-28 19:11:15,301 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-28 19:11:15,301 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-28 19:11:15,301 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-28 19:11:15,302 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-28 19:11:15,302 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 19:11:15,302 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-28 19:11:15,303 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-28 19:11:15,303 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-28 19:11:15,303 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-28 19:11:15,303 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-28 19:11:15,304 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-28 19:11:15,304 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-28 19:11:15,304 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-28 19:11:15,304 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-28 19:11:15,816 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-28 19:11:15,867 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-28 19:11:15,873 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-28 19:11:15,875 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-28 19:11:15,877 INFO L275 PluginConnector]: CDTParser initialized [2021-04-28 19:11:15,878 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix025_rmo.oepc.i [2021-04-28 19:11:15,999 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/201fd61d6/e3a2add95a6a4addb9e8211f25a444c8/FLAG2a8eca3f7 [2021-04-28 19:11:17,063 INFO L306 CDTParser]: Found 1 translation units. [2021-04-28 19:11:17,064 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix025_rmo.oepc.i [2021-04-28 19:11:17,108 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/201fd61d6/e3a2add95a6a4addb9e8211f25a444c8/FLAG2a8eca3f7 [2021-04-28 19:11:17,158 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/201fd61d6/e3a2add95a6a4addb9e8211f25a444c8 [2021-04-28 19:11:17,164 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-28 19:11:17,232 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-28 19:11:17,237 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-28 19:11:17,238 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-28 19:11:17,246 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-28 19:11:17,248 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 07:11:17" (1/1) ... [2021-04-28 19:11:17,253 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10f338ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 07:11:17, skipping insertion in model container [2021-04-28 19:11:17,254 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 07:11:17" (1/1) ... [2021-04-28 19:11:17,269 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-28 19:11:17,399 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-28 19:11:17,816 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/mix025_rmo.oepc.i[949,962] [2021-04-28 19:11:18,397 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 19:11:18,417 INFO L203 MainTranslator]: Completed pre-run [2021-04-28 19:11:18,439 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/mix025_rmo.oepc.i[949,962] [2021-04-28 19:11:18,552 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 19:11:18,751 INFO L208 MainTranslator]: Completed translation [2021-04-28 19:11:18,753 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 07:11:18 WrapperNode [2021-04-28 19:11:18,756 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-28 19:11:18,758 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-28 19:11:18,759 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-28 19:11:18,760 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-28 19:11:18,770 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 07:11:18" (1/1) ... [2021-04-28 19:11:18,797 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 07:11:18" (1/1) ... [2021-04-28 19:11:18,839 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-28 19:11:18,840 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-28 19:11:18,840 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-28 19:11:18,840 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-28 19:11:18,857 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 07:11:18" (1/1) ... [2021-04-28 19:11:18,857 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 07:11:18" (1/1) ... [2021-04-28 19:11:18,865 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 07:11:18" (1/1) ... [2021-04-28 19:11:18,866 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 07:11:18" (1/1) ... [2021-04-28 19:11:18,884 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 07:11:18" (1/1) ... [2021-04-28 19:11:18,891 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 07:11:18" (1/1) ... [2021-04-28 19:11:18,897 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 07:11:18" (1/1) ... [2021-04-28 19:11:18,908 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-28 19:11:18,910 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-28 19:11:18,910 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-28 19:11:18,910 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-28 19:11:18,912 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 07:11:18" (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 [2021-04-28 19:11:19,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-28 19:11:19,090 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-04-28 19:11:19,090 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-28 19:11:19,090 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-28 19:11:19,090 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-04-28 19:11:19,091 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-04-28 19:11:19,091 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-04-28 19:11:19,091 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-04-28 19:11:19,091 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-04-28 19:11:19,091 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-04-28 19:11:19,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-28 19:11:19,092 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-04-28 19:11:19,092 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-28 19:11:19,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-28 19:11:19,095 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-04-28 19:11:22,820 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-28 19:11:22,821 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-04-28 19:11:22,824 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 07:11:22 BoogieIcfgContainer [2021-04-28 19:11:22,825 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-28 19:11:22,828 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-28 19:11:22,828 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-28 19:11:22,833 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-28 19:11:22,834 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.04 07:11:17" (1/3) ... [2021-04-28 19:11:22,836 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42783ec3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 07:11:22, skipping insertion in model container [2021-04-28 19:11:22,836 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 07:11:18" (2/3) ... [2021-04-28 19:11:22,837 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42783ec3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 07:11:22, skipping insertion in model container [2021-04-28 19:11:22,837 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 07:11:22" (3/3) ... [2021-04-28 19:11:22,839 INFO L111 eAbstractionObserver]: Analyzing ICFG mix025_rmo.oepc.i [2021-04-28 19:11:22,850 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-28 19:11:22,859 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-04-28 19:11:22,861 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-28 19:11:22,916 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,917 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,917 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,917 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,918 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,918 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,918 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,918 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,919 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,919 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,920 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,920 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,920 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,921 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,921 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,921 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,921 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,921 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,922 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,922 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,922 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,922 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,922 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,923 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,924 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,924 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,924 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,924 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,924 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,924 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,925 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,926 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,926 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,926 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,927 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,927 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,928 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,928 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,928 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,928 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,929 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,929 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,929 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,929 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,930 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,930 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,930 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,930 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,930 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,931 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,932 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,932 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,932 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,932 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,932 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,932 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,933 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,934 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,934 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,934 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,935 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,935 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,935 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,936 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,936 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,936 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,936 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,936 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,937 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,937 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,937 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,937 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,938 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,938 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,938 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,938 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,938 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,938 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,939 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,939 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,939 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,939 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,939 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,940 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,940 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,940 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,940 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,940 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,941 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,941 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,941 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,941 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,941 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,941 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,942 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,942 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,942 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,942 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,942 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,943 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,943 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,943 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,943 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,943 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,943 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,944 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,946 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,947 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,947 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,947 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,947 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,947 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,948 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,948 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,948 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,948 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,948 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,948 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,949 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,949 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,949 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,949 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,949 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,950 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,950 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,950 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,950 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,950 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,951 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,951 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,951 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,951 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,951 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,952 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,952 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,952 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,952 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,952 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,953 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,953 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,953 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,953 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,953 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,953 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,956 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,956 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,957 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,957 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,957 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,957 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,957 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,958 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,959 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,959 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,959 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,959 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,959 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,959 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,960 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,961 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,961 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,961 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,965 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,965 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,966 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,966 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,966 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,966 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,967 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,967 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,967 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,967 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,970 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,971 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,972 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,972 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,972 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,972 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,972 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,973 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,973 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,973 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,973 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,974 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,974 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,974 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,974 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,974 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,974 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,975 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,975 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,975 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,975 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,975 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,975 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,976 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,976 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,976 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,976 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,976 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,977 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,977 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,977 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,977 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,977 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,980 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,981 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,981 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,982 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,982 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,982 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,982 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,983 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,983 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,983 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,983 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,983 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:11:22,985 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-28 19:11:23,021 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-04-28 19:11:23,063 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-28 19:11:23,063 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-28 19:11:23,063 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-28 19:11:23,063 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-28 19:11:23,063 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-28 19:11:23,064 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-28 19:11:23,064 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-28 19:11:23,064 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-28 19:11:23,085 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 108 places, 100 transitions, 215 flow [2021-04-28 19:11:23,150 INFO L129 PetriNetUnfolder]: 2/97 cut-off events. [2021-04-28 19:11:23,150 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 19:11:23,157 INFO L84 FinitePrefix]: Finished finitePrefix Result has 107 conditions, 97 events. 2/97 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 71 event pairs, 0 based on Foata normal form. 0/93 useless extension candidates. Maximal degree in co-relation 62. Up to 2 conditions per place. [2021-04-28 19:11:23,157 INFO L82 GeneralOperation]: Start removeDead. Operand has 108 places, 100 transitions, 215 flow [2021-04-28 19:11:23,166 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 105 places, 97 transitions, 203 flow [2021-04-28 19:11:23,170 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 19:11:23,197 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 105 places, 97 transitions, 203 flow [2021-04-28 19:11:23,203 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 105 places, 97 transitions, 203 flow [2021-04-28 19:11:23,206 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 105 places, 97 transitions, 203 flow [2021-04-28 19:11:23,237 INFO L129 PetriNetUnfolder]: 2/97 cut-off events. [2021-04-28 19:11:23,238 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 19:11:23,239 INFO L84 FinitePrefix]: Finished finitePrefix Result has 107 conditions, 97 events. 2/97 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 69 event pairs, 0 based on Foata normal form. 0/93 useless extension candidates. Maximal degree in co-relation 62. Up to 2 conditions per place. [2021-04-28 19:11:23,246 INFO L146 LiptonReduction]: Number of co-enabled transitions 1778 [2021-04-28 19:11:24,029 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 19:11:27,756 WARN L205 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-04-28 19:11:27,893 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 19:11:28,636 WARN L205 SmtUtils]: Spent 737.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 90 [2021-04-28 19:11:28,950 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-04-28 19:11:29,505 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2021-04-28 19:11:29,670 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2021-04-28 19:11:29,829 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 43 [2021-04-28 19:11:29,998 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 43 [2021-04-28 19:11:30,160 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2021-04-28 19:11:30,310 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2021-04-28 19:11:33,077 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2021-04-28 19:11:38,251 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 19:11:41,258 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-04-28 19:11:41,367 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-04-28 19:11:41,470 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-04-28 19:11:41,575 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-04-28 19:11:43,419 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2021-04-28 19:11:44,764 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 19:11:44,905 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 19:11:45,051 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 19:11:45,198 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 19:11:45,317 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 19:11:45,426 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 19:11:45,532 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 19:11:45,644 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 19:11:45,748 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 19:11:45,854 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 19:11:46,167 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 19:11:46,318 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 19:11:46,429 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 19:11:46,538 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 19:11:46,649 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 19:11:46,755 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 19:11:46,859 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 19:11:46,969 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 19:11:47,092 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 19:11:47,216 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 19:11:47,335 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 19:11:47,461 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 19:11:47,579 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 19:11:47,694 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 19:11:47,810 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 19:11:47,932 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 19:11:48,069 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 19:11:48,199 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 19:11:48,340 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 19:11:48,483 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 19:11:48,621 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 19:11:48,756 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 19:11:48,888 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 19:11:49,016 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 19:11:49,140 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 19:11:49,261 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 19:11:49,423 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 19:11:49,547 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 19:11:49,689 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 19:11:49,835 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 19:11:49,983 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 19:11:50,122 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 19:11:50,605 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 19:11:50,713 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 19:11:50,824 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 19:11:50,931 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 19:11:51,298 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 19:11:51,456 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 19:11:51,611 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 19:11:51,771 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 19:11:51,932 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 19:11:52,098 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 19:11:52,261 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 19:11:52,463 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 19:11:53,030 WARN L205 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 116 [2021-04-28 19:11:53,282 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2021-04-28 19:11:54,028 WARN L205 SmtUtils]: Spent 743.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 116 [2021-04-28 19:11:54,384 WARN L205 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2021-04-28 19:11:54,957 WARN L205 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 111 [2021-04-28 19:11:55,227 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2021-04-28 19:11:55,854 WARN L205 SmtUtils]: Spent 624.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 111 [2021-04-28 19:11:56,155 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2021-04-28 19:11:56,399 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 19:11:56,630 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 19:11:56,844 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 19:11:57,054 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 19:11:57,228 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 19:11:57,401 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 19:11:57,586 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 19:11:57,763 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 19:11:57,984 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 19:11:58,197 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 19:11:58,415 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 19:11:58,634 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 19:11:58,834 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 19:11:59,074 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 19:11:59,269 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 19:11:59,468 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 19:11:59,693 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 19:11:59,906 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 19:12:00,127 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 19:12:00,347 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 19:12:00,525 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 19:12:00,710 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 19:12:00,896 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 19:12:01,085 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 19:12:01,276 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 19:12:01,464 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 19:12:01,657 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 19:12:01,845 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 19:12:02,068 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 19:12:02,288 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 19:12:02,545 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 19:12:02,761 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 19:12:02,946 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 19:12:03,136 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 19:12:03,331 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 19:12:03,520 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 19:12:03,731 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 19:12:03,941 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 19:12:04,154 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 19:12:04,370 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 19:12:04,573 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 19:12:04,770 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 19:12:04,969 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 19:12:05,164 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 19:12:05,221 INFO L158 LiptonReduction]: Checked pairs total: 16214 [2021-04-28 19:12:05,221 INFO L160 LiptonReduction]: Total number of compositions: 223 [2021-04-28 19:12:05,229 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 42062 [2021-04-28 19:12:05,260 INFO L129 PetriNetUnfolder]: 0/54 cut-off events. [2021-04-28 19:12:05,260 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 19:12:05,261 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 19:12:05,262 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2021-04-28 19:12:05,263 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 19:12:05,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 19:12:05,277 INFO L82 PathProgramCache]: Analyzing trace with hash 1189829, now seen corresponding path program 1 times [2021-04-28 19:12:05,292 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 19:12:05,293 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943360633] [2021-04-28 19:12:05,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 19:12:05,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 19:12:05,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:12:05,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 19:12:05,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 19:12:05,699 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943360633] [2021-04-28 19:12:05,700 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 19:12:05,700 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 19:12:05,700 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766797313] [2021-04-28 19:12:05,716 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 19:12:05,717 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 19:12:05,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 19:12:05,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 19:12:05,748 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 261 out of 323 [2021-04-28 19:12:05,756 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 127 places, 118 transitions, 245 flow. Second operand has 3 states, 3 states have (on average 261.6666666666667) internal successors, (785), 3 states have internal predecessors, (785), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:12:05,757 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 19:12:05,757 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 261 of 323 [2021-04-28 19:12:05,760 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 19:12:06,023 INFO L129 PetriNetUnfolder]: 49/423 cut-off events. [2021-04-28 19:12:06,023 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 19:12:06,027 INFO L84 FinitePrefix]: Finished finitePrefix Result has 528 conditions, 423 events. 49/423 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 3287 event pairs, 38 based on Foata normal form. 35/159 useless extension candidates. Maximal degree in co-relation 462. Up to 65 conditions per place. [2021-04-28 19:12:06,033 INFO L132 encePairwiseOnDemand]: 308/323 looper letters, 9 selfloop transitions, 2 changer transitions 49/118 dead transitions. [2021-04-28 19:12:06,034 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 126 places, 118 transitions, 285 flow [2021-04-28 19:12:06,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 19:12:06,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 19:12:06,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 810 transitions. [2021-04-28 19:12:06,064 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8359133126934984 [2021-04-28 19:12:06,066 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 810 transitions. [2021-04-28 19:12:06,067 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 810 transitions. [2021-04-28 19:12:06,071 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 19:12:06,077 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 810 transitions. [2021-04-28 19:12:06,087 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 270.0) internal successors, (810), 3 states have internal predecessors, (810), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:12:06,102 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 323.0) internal successors, (1292), 4 states have internal predecessors, (1292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:12:06,104 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 323.0) internal successors, (1292), 4 states have internal predecessors, (1292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:12:06,107 INFO L185 Difference]: Start difference. First operand has 127 places, 118 transitions, 245 flow. Second operand 3 states and 810 transitions. [2021-04-28 19:12:06,108 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 126 places, 118 transitions, 285 flow [2021-04-28 19:12:06,114 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 123 places, 118 transitions, 282 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-04-28 19:12:06,120 INFO L241 Difference]: Finished difference. Result has 123 places, 65 transitions, 140 flow [2021-04-28 19:12:06,123 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=323, PETRI_DIFFERENCE_MINUEND_FLOW=234, PETRI_DIFFERENCE_MINUEND_PLACES=121, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=114, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=112, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=140, PETRI_PLACES=123, PETRI_TRANSITIONS=65} [2021-04-28 19:12:06,125 INFO L343 CegarLoopForPetriNet]: 127 programPoint places, -4 predicate places. [2021-04-28 19:12:06,126 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 19:12:06,126 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 123 places, 65 transitions, 140 flow [2021-04-28 19:12:06,127 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 123 places, 65 transitions, 140 flow [2021-04-28 19:12:06,127 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 74 places, 65 transitions, 140 flow [2021-04-28 19:12:06,143 INFO L129 PetriNetUnfolder]: 0/65 cut-off events. [2021-04-28 19:12:06,144 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 19:12:06,144 INFO L84 FinitePrefix]: Finished finitePrefix Result has 75 conditions, 65 events. 0/65 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 321 event pairs, 0 based on Foata normal form. 0/23 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-04-28 19:12:06,147 INFO L146 LiptonReduction]: Number of co-enabled transitions 2002 [2021-04-28 19:12:06,464 INFO L158 LiptonReduction]: Checked pairs total: 2676 [2021-04-28 19:12:06,465 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 19:12:06,465 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 339 [2021-04-28 19:12:06,468 INFO L480 AbstractCegarLoop]: Abstraction has has 74 places, 65 transitions, 140 flow [2021-04-28 19:12:06,469 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 261.6666666666667) internal successors, (785), 3 states have internal predecessors, (785), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:12:06,470 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 19:12:06,470 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 19:12:06,471 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-28 19:12:06,471 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 19:12:06,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 19:12:06,472 INFO L82 PathProgramCache]: Analyzing trace with hash -817577272, now seen corresponding path program 1 times [2021-04-28 19:12:06,473 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 19:12:06,473 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275619283] [2021-04-28 19:12:06,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 19:12:06,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 19:12:06,638 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-04-28 19:12:06,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-28 19:12:06,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 19:12:06,654 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275619283] [2021-04-28 19:12:06,654 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 19:12:06,654 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 19:12:06,655 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472971540] [2021-04-28 19:12:06,657 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 19:12:06,658 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 19:12:06,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 19:12:06,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 19:12:06,662 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 220 out of 323 [2021-04-28 19:12:06,664 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 65 transitions, 140 flow. Second operand has 3 states, 3 states have (on average 220.66666666666666) internal successors, (662), 3 states have internal predecessors, (662), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:12:06,664 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 19:12:06,664 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 220 of 323 [2021-04-28 19:12:06,664 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 19:12:07,423 INFO L129 PetriNetUnfolder]: 930/2851 cut-off events. [2021-04-28 19:12:07,424 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 19:12:07,447 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4438 conditions, 2851 events. 930/2851 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 521. Compared 31415 event pairs, 264 based on Foata normal form. 0/1707 useless extension candidates. Maximal degree in co-relation 4429. Up to 959 conditions per place. [2021-04-28 19:12:07,456 INFO L132 encePairwiseOnDemand]: 303/323 looper letters, 6 selfloop transitions, 6 changer transitions 46/91 dead transitions. [2021-04-28 19:12:07,456 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 91 transitions, 304 flow [2021-04-28 19:12:07,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 19:12:07,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 19:12:07,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 715 transitions. [2021-04-28 19:12:07,465 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.737874097007224 [2021-04-28 19:12:07,465 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 715 transitions. [2021-04-28 19:12:07,465 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 715 transitions. [2021-04-28 19:12:07,466 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 19:12:07,467 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 715 transitions. [2021-04-28 19:12:07,470 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 238.33333333333334) internal successors, (715), 3 states have internal predecessors, (715), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:12:07,474 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 323.0) internal successors, (1292), 4 states have internal predecessors, (1292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:12:07,476 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 323.0) internal successors, (1292), 4 states have internal predecessors, (1292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:12:07,476 INFO L185 Difference]: Start difference. First operand has 74 places, 65 transitions, 140 flow. Second operand 3 states and 715 transitions. [2021-04-28 19:12:07,477 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 91 transitions, 304 flow [2021-04-28 19:12:07,480 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 91 transitions, 300 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 19:12:07,484 INFO L241 Difference]: Finished difference. Result has 76 places, 45 transitions, 132 flow [2021-04-28 19:12:07,485 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=323, PETRI_DIFFERENCE_MINUEND_FLOW=136, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=132, PETRI_PLACES=76, PETRI_TRANSITIONS=45} [2021-04-28 19:12:07,486 INFO L343 CegarLoopForPetriNet]: 127 programPoint places, -51 predicate places. [2021-04-28 19:12:07,487 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 19:12:07,487 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 76 places, 45 transitions, 132 flow [2021-04-28 19:12:07,489 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 76 places, 45 transitions, 132 flow [2021-04-28 19:12:07,490 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 51 places, 45 transitions, 132 flow [2021-04-28 19:12:07,563 INFO L129 PetriNetUnfolder]: 38/235 cut-off events. [2021-04-28 19:12:07,564 INFO L130 PetriNetUnfolder]: For 17/17 co-relation queries the response was YES. [2021-04-28 19:12:07,566 INFO L84 FinitePrefix]: Finished finitePrefix Result has 361 conditions, 235 events. 38/235 cut-off events. For 17/17 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 1557 event pairs, 20 based on Foata normal form. 0/155 useless extension candidates. Maximal degree in co-relation 352. Up to 67 conditions per place. [2021-04-28 19:12:07,575 INFO L146 LiptonReduction]: Number of co-enabled transitions 1110 [2021-04-28 19:12:08,085 INFO L158 LiptonReduction]: Checked pairs total: 775 [2021-04-28 19:12:08,092 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 19:12:08,092 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 605 [2021-04-28 19:12:08,099 INFO L480 AbstractCegarLoop]: Abstraction has has 51 places, 45 transitions, 132 flow [2021-04-28 19:12:08,100 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 220.66666666666666) internal successors, (662), 3 states have internal predecessors, (662), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:12:08,101 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 19:12:08,101 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 19:12:08,101 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-28 19:12:08,101 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 19:12:08,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 19:12:08,102 INFO L82 PathProgramCache]: Analyzing trace with hash 424905548, now seen corresponding path program 1 times [2021-04-28 19:12:08,102 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 19:12:08,102 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9251050] [2021-04-28 19:12:08,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 19:12:08,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 19:12:08,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:12:08,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 19:12:08,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 19:12:08,277 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9251050] [2021-04-28 19:12:08,277 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 19:12:08,277 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 19:12:08,278 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158062522] [2021-04-28 19:12:08,278 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 19:12:08,278 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 19:12:08,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 19:12:08,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 19:12:08,282 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 234 out of 323 [2021-04-28 19:12:08,284 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 45 transitions, 132 flow. Second operand has 3 states, 3 states have (on average 234.66666666666666) internal successors, (704), 3 states have internal predecessors, (704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:12:08,285 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 19:12:08,285 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 234 of 323 [2021-04-28 19:12:08,285 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 19:12:08,328 INFO L129 PetriNetUnfolder]: 26/170 cut-off events. [2021-04-28 19:12:08,329 INFO L130 PetriNetUnfolder]: For 26/26 co-relation queries the response was YES. [2021-04-28 19:12:08,330 INFO L84 FinitePrefix]: Finished finitePrefix Result has 284 conditions, 170 events. 26/170 cut-off events. For 26/26 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 935 event pairs, 4 based on Foata normal form. 4/119 useless extension candidates. Maximal degree in co-relation 273. Up to 49 conditions per place. [2021-04-28 19:12:08,331 INFO L132 encePairwiseOnDemand]: 320/323 looper letters, 1 selfloop transitions, 3 changer transitions 1/45 dead transitions. [2021-04-28 19:12:08,331 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 45 transitions, 140 flow [2021-04-28 19:12:08,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 19:12:08,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 19:12:08,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 706 transitions. [2021-04-28 19:12:08,336 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7285861713106295 [2021-04-28 19:12:08,336 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 706 transitions. [2021-04-28 19:12:08,336 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 706 transitions. [2021-04-28 19:12:08,337 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 19:12:08,337 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 706 transitions. [2021-04-28 19:12:08,341 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 235.33333333333334) internal successors, (706), 3 states have internal predecessors, (706), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:12:08,345 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 323.0) internal successors, (1292), 4 states have internal predecessors, (1292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:12:08,347 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 323.0) internal successors, (1292), 4 states have internal predecessors, (1292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:12:08,348 INFO L185 Difference]: Start difference. First operand has 51 places, 45 transitions, 132 flow. Second operand 3 states and 706 transitions. [2021-04-28 19:12:08,348 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 45 transitions, 140 flow [2021-04-28 19:12:08,350 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 45 transitions, 128 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 19:12:08,352 INFO L241 Difference]: Finished difference. Result has 52 places, 44 transitions, 129 flow [2021-04-28 19:12:08,353 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=323, PETRI_DIFFERENCE_MINUEND_FLOW=120, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=129, PETRI_PLACES=52, PETRI_TRANSITIONS=44} [2021-04-28 19:12:08,353 INFO L343 CegarLoopForPetriNet]: 127 programPoint places, -75 predicate places. [2021-04-28 19:12:08,354 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 19:12:08,354 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 52 places, 44 transitions, 129 flow [2021-04-28 19:12:08,354 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 52 places, 44 transitions, 129 flow [2021-04-28 19:12:08,355 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 51 places, 44 transitions, 129 flow [2021-04-28 19:12:08,397 INFO L129 PetriNetUnfolder]: 26/193 cut-off events. [2021-04-28 19:12:08,397 INFO L130 PetriNetUnfolder]: For 10/10 co-relation queries the response was YES. [2021-04-28 19:12:08,399 INFO L84 FinitePrefix]: Finished finitePrefix Result has 285 conditions, 193 events. 26/193 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 1178 event pairs, 12 based on Foata normal form. 0/125 useless extension candidates. Maximal degree in co-relation 275. Up to 49 conditions per place. [2021-04-28 19:12:08,405 INFO L146 LiptonReduction]: Number of co-enabled transitions 1056 [2021-04-28 19:12:08,418 INFO L158 LiptonReduction]: Checked pairs total: 756 [2021-04-28 19:12:08,419 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 19:12:08,419 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 65 [2021-04-28 19:12:08,422 INFO L480 AbstractCegarLoop]: Abstraction has has 51 places, 44 transitions, 129 flow [2021-04-28 19:12:08,423 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 234.66666666666666) internal successors, (704), 3 states have internal predecessors, (704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:12:08,423 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 19:12:08,424 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 19:12:08,424 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-28 19:12:08,424 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 19:12:08,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 19:12:08,425 INFO L82 PathProgramCache]: Analyzing trace with hash 287166343, now seen corresponding path program 1 times [2021-04-28 19:12:08,425 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 19:12:08,426 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471528347] [2021-04-28 19:12:08,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 19:12:08,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 19:12:08,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:12:08,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 19:12:08,584 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 19:12:08,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 19:12:08,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:12:08,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 19:12:08,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 19:12:08,610 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471528347] [2021-04-28 19:12:08,611 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 19:12:08,611 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 19:12:08,611 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898453097] [2021-04-28 19:12:08,612 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 19:12:08,612 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 19:12:08,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 19:12:08,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 19:12:08,616 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 233 out of 323 [2021-04-28 19:12:08,619 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 44 transitions, 129 flow. Second operand has 4 states, 4 states have (on average 233.75) internal successors, (935), 4 states have internal predecessors, (935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:12:08,619 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 19:12:08,619 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 233 of 323 [2021-04-28 19:12:08,620 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 19:12:10,142 INFO L129 PetriNetUnfolder]: 5321/8931 cut-off events. [2021-04-28 19:12:10,142 INFO L130 PetriNetUnfolder]: For 119/176 co-relation queries the response was YES. [2021-04-28 19:12:10,206 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17941 conditions, 8931 events. 5321/8931 cut-off events. For 119/176 co-relation queries the response was YES. Maximal size of possible extension queue 2094. Compared 81922 event pairs, 2370 based on Foata normal form. 196/2615 useless extension candidates. Maximal degree in co-relation 17929. Up to 5638 conditions per place. [2021-04-28 19:12:10,264 INFO L132 encePairwiseOnDemand]: 306/323 looper letters, 28 selfloop transitions, 27 changer transitions 0/79 dead transitions. [2021-04-28 19:12:10,264 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 79 transitions, 309 flow [2021-04-28 19:12:10,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 19:12:10,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 19:12:10,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1219 transitions. [2021-04-28 19:12:10,277 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7547987616099071 [2021-04-28 19:12:10,277 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1219 transitions. [2021-04-28 19:12:10,277 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1219 transitions. [2021-04-28 19:12:10,279 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 19:12:10,279 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1219 transitions. [2021-04-28 19:12:10,286 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 243.8) internal successors, (1219), 5 states have internal predecessors, (1219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:12:10,295 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 323.0) internal successors, (1938), 6 states have internal predecessors, (1938), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:12:10,299 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 323.0) internal successors, (1938), 6 states have internal predecessors, (1938), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:12:10,299 INFO L185 Difference]: Start difference. First operand has 51 places, 44 transitions, 129 flow. Second operand 5 states and 1219 transitions. [2021-04-28 19:12:10,299 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 79 transitions, 309 flow [2021-04-28 19:12:10,303 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 79 transitions, 303 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 19:12:10,307 INFO L241 Difference]: Finished difference. Result has 56 places, 69 transitions, 324 flow [2021-04-28 19:12:10,307 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=323, PETRI_DIFFERENCE_MINUEND_FLOW=123, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=324, PETRI_PLACES=56, PETRI_TRANSITIONS=69} [2021-04-28 19:12:10,308 INFO L343 CegarLoopForPetriNet]: 127 programPoint places, -71 predicate places. [2021-04-28 19:12:10,308 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 19:12:10,309 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 56 places, 69 transitions, 324 flow [2021-04-28 19:12:10,309 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 56 places, 69 transitions, 324 flow [2021-04-28 19:12:10,311 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 56 places, 69 transitions, 324 flow [2021-04-28 19:12:11,813 INFO L129 PetriNetUnfolder]: 5198/9084 cut-off events. [2021-04-28 19:12:11,813 INFO L130 PetriNetUnfolder]: For 2167/10988 co-relation queries the response was YES. [2021-04-28 19:12:11,887 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25437 conditions, 9084 events. 5198/9084 cut-off events. For 2167/10988 co-relation queries the response was YES. Maximal size of possible extension queue 2037. Compared 88723 event pairs, 2357 based on Foata normal form. 6/2485 useless extension candidates. Maximal degree in co-relation 25424. Up to 8165 conditions per place. [2021-04-28 19:12:12,031 INFO L146 LiptonReduction]: Number of co-enabled transitions 1522 [2021-04-28 19:12:14,468 INFO L158 LiptonReduction]: Checked pairs total: 1543 [2021-04-28 19:12:14,468 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 19:12:14,468 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4160 [2021-04-28 19:12:14,479 INFO L480 AbstractCegarLoop]: Abstraction has has 56 places, 69 transitions, 324 flow [2021-04-28 19:12:14,481 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 233.75) internal successors, (935), 4 states have internal predecessors, (935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:12:14,481 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 19:12:14,481 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 19:12:14,482 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-28 19:12:14,482 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 19:12:14,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 19:12:14,483 INFO L82 PathProgramCache]: Analyzing trace with hash -2094756749, now seen corresponding path program 1 times [2021-04-28 19:12:14,484 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 19:12:14,484 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067938031] [2021-04-28 19:12:14,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 19:12:14,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 19:12:14,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:12:14,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 19:12:14,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:12:14,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 19:12:14,812 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 19:12:14,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 19:12:14,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:12:14,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 19:12:14,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 19:12:14,844 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067938031] [2021-04-28 19:12:14,844 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 19:12:14,845 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 19:12:14,845 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241071889] [2021-04-28 19:12:14,845 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 19:12:14,846 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 19:12:14,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 19:12:14,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 19:12:14,851 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 233 out of 323 [2021-04-28 19:12:14,854 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 69 transitions, 324 flow. Second operand has 5 states, 5 states have (on average 233.8) internal successors, (1169), 5 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) [2021-04-28 19:12:14,854 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 19:12:14,855 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 233 of 323 [2021-04-28 19:12:14,855 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 19:12:16,811 INFO L129 PetriNetUnfolder]: 4850/9189 cut-off events. [2021-04-28 19:12:16,812 INFO L130 PetriNetUnfolder]: For 3523/30796 co-relation queries the response was YES. [2021-04-28 19:12:16,905 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34533 conditions, 9189 events. 4850/9189 cut-off events. For 3523/30796 co-relation queries the response was YES. Maximal size of possible extension queue 2442. Compared 92267 event pairs, 468 based on Foata normal form. 282/3157 useless extension candidates. Maximal degree in co-relation 34518. Up to 8165 conditions per place. [2021-04-28 19:12:16,977 INFO L132 encePairwiseOnDemand]: 306/323 looper letters, 20 selfloop transitions, 52 changer transitions 9/105 dead transitions. [2021-04-28 19:12:16,977 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 105 transitions, 681 flow [2021-04-28 19:12:16,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-28 19:12:16,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-28 19:12:16,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1709 transitions. [2021-04-28 19:12:16,989 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7558602388323751 [2021-04-28 19:12:16,990 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1709 transitions. [2021-04-28 19:12:16,990 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1709 transitions. [2021-04-28 19:12:16,992 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 19:12:16,992 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1709 transitions. [2021-04-28 19:12:17,001 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 244.14285714285714) internal successors, (1709), 7 states have internal predecessors, (1709), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:12:17,012 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 323.0) internal successors, (2584), 8 states have internal predecessors, (2584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:12:17,020 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 323.0) internal successors, (2584), 8 states have internal predecessors, (2584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:12:17,021 INFO L185 Difference]: Start difference. First operand has 56 places, 69 transitions, 324 flow. Second operand 7 states and 1709 transitions. [2021-04-28 19:12:17,021 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 105 transitions, 681 flow [2021-04-28 19:12:17,066 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 105 transitions, 681 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-28 19:12:17,074 INFO L241 Difference]: Finished difference. Result has 65 places, 94 transitions, 661 flow [2021-04-28 19:12:17,075 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=323, PETRI_DIFFERENCE_MINUEND_FLOW=324, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=36, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=661, PETRI_PLACES=65, PETRI_TRANSITIONS=94} [2021-04-28 19:12:17,075 INFO L343 CegarLoopForPetriNet]: 127 programPoint places, -62 predicate places. [2021-04-28 19:12:17,075 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 19:12:17,076 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 65 places, 94 transitions, 661 flow [2021-04-28 19:12:17,076 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 65 places, 94 transitions, 661 flow [2021-04-28 19:12:17,077 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 65 places, 94 transitions, 661 flow [2021-04-28 19:12:18,574 INFO L129 PetriNetUnfolder]: 3272/7336 cut-off events. [2021-04-28 19:12:18,575 INFO L130 PetriNetUnfolder]: For 39078/67110 co-relation queries the response was YES. [2021-04-28 19:12:18,641 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31098 conditions, 7336 events. 3272/7336 cut-off events. For 39078/67110 co-relation queries the response was YES. Maximal size of possible extension queue 2100. Compared 85246 event pairs, 460 based on Foata normal form. 1/2029 useless extension candidates. Maximal degree in co-relation 31080. Up to 6371 conditions per place. [2021-04-28 19:12:18,776 INFO L146 LiptonReduction]: Number of co-enabled transitions 1956 [2021-04-28 19:12:19,839 INFO L158 LiptonReduction]: Checked pairs total: 3074 [2021-04-28 19:12:19,840 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 19:12:19,840 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2765 [2021-04-28 19:12:19,845 INFO L480 AbstractCegarLoop]: Abstraction has has 65 places, 94 transitions, 661 flow [2021-04-28 19:12:19,847 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 233.8) internal successors, (1169), 5 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) [2021-04-28 19:12:19,847 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 19:12:19,848 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 19:12:19,849 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-28 19:12:19,849 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 19:12:19,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 19:12:19,863 INFO L82 PathProgramCache]: Analyzing trace with hash -1231302515, now seen corresponding path program 1 times [2021-04-28 19:12:19,864 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 19:12:19,864 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583105881] [2021-04-28 19:12:19,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 19:12:19,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 19:12:20,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:12:20,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 19:12:20,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:12:20,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 19:12:20,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:12:20,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 19:12:20,124 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 19:12:20,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 19:12:20,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:12:20,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 19:12:20,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 19:12:20,142 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583105881] [2021-04-28 19:12:20,143 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 19:12:20,143 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-28 19:12:20,143 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588119138] [2021-04-28 19:12:20,143 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 19:12:20,144 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 19:12:20,145 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 19:12:20,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-04-28 19:12:20,149 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 233 out of 323 [2021-04-28 19:12:20,152 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 94 transitions, 661 flow. Second operand has 6 states, 6 states have (on average 233.83333333333334) internal successors, (1403), 6 states have internal predecessors, (1403), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:12:20,152 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 19:12:20,152 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 233 of 323 [2021-04-28 19:12:20,153 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 19:12:21,983 INFO L129 PetriNetUnfolder]: 2699/6408 cut-off events. [2021-04-28 19:12:21,983 INFO L130 PetriNetUnfolder]: For 9839/59909 co-relation queries the response was YES. [2021-04-28 19:12:22,061 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33117 conditions, 6408 events. 2699/6408 cut-off events. For 9839/59909 co-relation queries the response was YES. Maximal size of possible extension queue 1782. Compared 72495 event pairs, 0 based on Foata normal form. 264/2122 useless extension candidates. Maximal degree in co-relation 33097. Up to 5582 conditions per place. [2021-04-28 19:12:22,104 INFO L132 encePairwiseOnDemand]: 306/323 looper letters, 5 selfloop transitions, 67 changer transitions 17/113 dead transitions. [2021-04-28 19:12:22,104 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 113 transitions, 961 flow [2021-04-28 19:12:22,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-28 19:12:22,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-28 19:12:22,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2181 transitions. [2021-04-28 19:12:22,116 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7502579979360166 [2021-04-28 19:12:22,116 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2181 transitions. [2021-04-28 19:12:22,117 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2181 transitions. [2021-04-28 19:12:22,119 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 19:12:22,119 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2181 transitions. [2021-04-28 19:12:22,133 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 242.33333333333334) internal successors, (2181), 9 states have internal predecessors, (2181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:12:22,141 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 323.0) internal successors, (3230), 10 states have internal predecessors, (3230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:12:22,142 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 323.0) internal successors, (3230), 10 states have internal predecessors, (3230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:12:22,142 INFO L185 Difference]: Start difference. First operand has 65 places, 94 transitions, 661 flow. Second operand 9 states and 2181 transitions. [2021-04-28 19:12:22,142 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 113 transitions, 961 flow [2021-04-28 19:12:23,866 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 113 transitions, 826 flow, removed 43 selfloop flow, removed 4 redundant places. [2021-04-28 19:12:23,871 INFO L241 Difference]: Finished difference. Result has 72 places, 94 transitions, 708 flow [2021-04-28 19:12:23,872 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=323, PETRI_DIFFERENCE_MINUEND_FLOW=527, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=66, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=708, PETRI_PLACES=72, PETRI_TRANSITIONS=94} [2021-04-28 19:12:23,872 INFO L343 CegarLoopForPetriNet]: 127 programPoint places, -55 predicate places. [2021-04-28 19:12:23,872 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 19:12:23,873 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 72 places, 94 transitions, 708 flow [2021-04-28 19:12:23,873 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 72 places, 94 transitions, 708 flow [2021-04-28 19:12:23,874 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 70 places, 94 transitions, 708 flow [2021-04-28 19:12:24,806 INFO L129 PetriNetUnfolder]: 1931/5275 cut-off events. [2021-04-28 19:12:24,806 INFO L130 PetriNetUnfolder]: For 48907/70853 co-relation queries the response was YES. [2021-04-28 19:12:24,880 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22643 conditions, 5275 events. 1931/5275 cut-off events. For 48907/70853 co-relation queries the response was YES. Maximal size of possible extension queue 2031. Compared 65505 event pairs, 4 based on Foata normal form. 1/1318 useless extension candidates. Maximal degree in co-relation 22623. Up to 3861 conditions per place. [2021-04-28 19:12:24,985 INFO L146 LiptonReduction]: Number of co-enabled transitions 1860 [2021-04-28 19:12:25,865 INFO L158 LiptonReduction]: Checked pairs total: 2927 [2021-04-28 19:12:25,865 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 19:12:25,866 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1994 [2021-04-28 19:12:25,868 INFO L480 AbstractCegarLoop]: Abstraction has has 70 places, 94 transitions, 708 flow [2021-04-28 19:12:25,869 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 233.83333333333334) internal successors, (1403), 6 states have internal predecessors, (1403), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:12:25,870 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 19:12:25,870 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 19:12:25,870 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-28 19:12:25,870 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 19:12:25,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 19:12:25,871 INFO L82 PathProgramCache]: Analyzing trace with hash 1861903404, now seen corresponding path program 1 times [2021-04-28 19:12:25,871 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 19:12:25,871 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191314889] [2021-04-28 19:12:25,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 19:12:25,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 19:12:25,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:12:25,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 19:12:25,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:12:25,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 19:12:25,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:12:25,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 19:12:25,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 19:12:25,987 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191314889] [2021-04-28 19:12:25,987 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 19:12:25,987 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 19:12:25,988 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728609324] [2021-04-28 19:12:25,988 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 19:12:25,988 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 19:12:25,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 19:12:25,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 19:12:25,991 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 227 out of 323 [2021-04-28 19:12:25,993 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 94 transitions, 708 flow. Second operand has 4 states, 4 states have (on average 228.0) internal successors, (912), 4 states have internal predecessors, (912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:12:25,994 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 19:12:25,994 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 227 of 323 [2021-04-28 19:12:25,994 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 19:12:27,162 INFO L129 PetriNetUnfolder]: 2863/7590 cut-off events. [2021-04-28 19:12:27,162 INFO L130 PetriNetUnfolder]: For 61305/89016 co-relation queries the response was YES. [2021-04-28 19:12:27,285 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32841 conditions, 7590 events. 2863/7590 cut-off events. For 61305/89016 co-relation queries the response was YES. Maximal size of possible extension queue 2757. Compared 94979 event pairs, 0 based on Foata normal form. 28/2020 useless extension candidates. Maximal degree in co-relation 32819. Up to 5643 conditions per place. [2021-04-28 19:12:27,333 INFO L132 encePairwiseOnDemand]: 320/323 looper letters, 4 selfloop transitions, 3 changer transitions 0/96 dead transitions. [2021-04-28 19:12:27,334 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 96 transitions, 730 flow [2021-04-28 19:12:27,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 19:12:27,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 19:12:27,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 914 transitions. [2021-04-28 19:12:27,340 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7074303405572755 [2021-04-28 19:12:27,341 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 914 transitions. [2021-04-28 19:12:27,341 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 914 transitions. [2021-04-28 19:12:27,342 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 19:12:27,343 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 914 transitions. [2021-04-28 19:12:27,346 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 228.5) internal successors, (914), 4 states have internal predecessors, (914), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:12:27,351 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 323.0) internal successors, (1615), 5 states have internal predecessors, (1615), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:12:27,353 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 323.0) internal successors, (1615), 5 states have internal predecessors, (1615), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:12:27,353 INFO L185 Difference]: Start difference. First operand has 70 places, 94 transitions, 708 flow. Second operand 4 states and 914 transitions. [2021-04-28 19:12:27,353 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 96 transitions, 730 flow [2021-04-28 19:12:34,684 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 96 transitions, 534 flow, removed 41 selfloop flow, removed 8 redundant places. [2021-04-28 19:12:34,687 INFO L241 Difference]: Finished difference. Result has 67 places, 96 transitions, 537 flow [2021-04-28 19:12:34,688 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=323, PETRI_DIFFERENCE_MINUEND_FLOW=512, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=91, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=537, PETRI_PLACES=67, PETRI_TRANSITIONS=96} [2021-04-28 19:12:34,688 INFO L343 CegarLoopForPetriNet]: 127 programPoint places, -60 predicate places. [2021-04-28 19:12:34,688 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 19:12:34,688 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 67 places, 96 transitions, 537 flow [2021-04-28 19:12:34,689 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 67 places, 96 transitions, 537 flow [2021-04-28 19:12:34,690 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 67 places, 96 transitions, 537 flow [2021-04-28 19:12:35,592 INFO L129 PetriNetUnfolder]: 2863/7590 cut-off events. [2021-04-28 19:12:35,593 INFO L130 PetriNetUnfolder]: For 4033/4298 co-relation queries the response was YES. [2021-04-28 19:12:35,664 INFO L84 FinitePrefix]: Finished finitePrefix Result has 27990 conditions, 7590 events. 2863/7590 cut-off events. For 4033/4298 co-relation queries the response was YES. Maximal size of possible extension queue 2573. Compared 98604 event pairs, 0 based on Foata normal form. 0/1989 useless extension candidates. Maximal degree in co-relation 27972. Up to 5643 conditions per place. [2021-04-28 19:12:35,794 INFO L146 LiptonReduction]: Number of co-enabled transitions 1924 [2021-04-28 19:12:37,798 INFO L158 LiptonReduction]: Checked pairs total: 6017 [2021-04-28 19:12:37,798 INFO L160 LiptonReduction]: Total number of compositions: 1 [2021-04-28 19:12:37,799 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3111 [2021-04-28 19:12:37,801 INFO L480 AbstractCegarLoop]: Abstraction has has 68 places, 97 transitions, 545 flow [2021-04-28 19:12:37,802 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 228.0) internal successors, (912), 4 states have internal predecessors, (912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:12:37,803 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 19:12:37,803 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 19:12:37,803 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-04-28 19:12:37,803 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 19:12:37,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 19:12:37,804 INFO L82 PathProgramCache]: Analyzing trace with hash -462190834, now seen corresponding path program 1 times [2021-04-28 19:12:37,804 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 19:12:37,805 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776872875] [2021-04-28 19:12:37,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 19:12:38,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 19:12:38,026 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 19:12:38,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 19:12:38,116 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 19:12:38,174 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-04-28 19:12:38,175 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-04-28 19:12:38,175 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-04-28 19:12:38,320 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.04 07:12:38 BasicIcfg [2021-04-28 19:12:38,320 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-04-28 19:12:38,322 INFO L168 Benchmark]: Toolchain (without parser) took 81154.54 ms. Allocated memory was 302.0 MB in the beginning and 1.1 GB in the end (delta: 799.0 MB). Free memory was 275.3 MB in the beginning and 568.9 MB in the end (delta: -293.6 MB). Peak memory consumption was 508.2 MB. Max. memory is 16.0 GB. [2021-04-28 19:12:38,323 INFO L168 Benchmark]: CDTParser took 1.33 ms. Allocated memory is still 302.0 MB. Free memory was 273.0 MB in the beginning and 272.8 MB in the end (delta: 136.3 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-04-28 19:12:38,323 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1519.60 ms. Allocated memory is still 302.0 MB. Free memory was 272.1 MB in the beginning and 268.5 MB in the end (delta: 3.6 MB). Peak memory consumption was 24.2 MB. Max. memory is 16.0 GB. [2021-04-28 19:12:38,324 INFO L168 Benchmark]: Boogie Procedure Inliner took 81.46 ms. Allocated memory is still 302.0 MB. Free memory was 268.5 MB in the beginning and 266.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-28 19:12:38,324 INFO L168 Benchmark]: Boogie Preprocessor took 68.30 ms. Allocated memory is still 302.0 MB. Free memory was 266.4 MB in the beginning and 264.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-28 19:12:38,325 INFO L168 Benchmark]: RCFGBuilder took 3915.29 ms. Allocated memory is still 302.0 MB. Free memory was 264.3 MB in the beginning and 211.4 MB in the end (delta: 53.0 MB). Peak memory consumption was 161.0 MB. Max. memory is 16.0 GB. [2021-04-28 19:12:38,325 INFO L168 Benchmark]: TraceAbstraction took 75492.54 ms. Allocated memory was 302.0 MB in the beginning and 1.1 GB in the end (delta: 799.0 MB). Free memory was 210.3 MB in the beginning and 568.9 MB in the end (delta: -358.6 MB). Peak memory consumption was 440.4 MB. Max. memory is 16.0 GB. [2021-04-28 19:12:38,327 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.33 ms. Allocated memory is still 302.0 MB. Free memory was 273.0 MB in the beginning and 272.8 MB in the end (delta: 136.3 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 1519.60 ms. Allocated memory is still 302.0 MB. Free memory was 272.1 MB in the beginning and 268.5 MB in the end (delta: 3.6 MB). Peak memory consumption was 24.2 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 81.46 ms. Allocated memory is still 302.0 MB. Free memory was 268.5 MB in the beginning and 266.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 68.30 ms. Allocated memory is still 302.0 MB. Free memory was 266.4 MB in the beginning and 264.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 3915.29 ms. Allocated memory is still 302.0 MB. Free memory was 264.3 MB in the beginning and 211.4 MB in the end (delta: 53.0 MB). Peak memory consumption was 161.0 MB. Max. memory is 16.0 GB. * TraceAbstraction took 75492.54 ms. Allocated memory was 302.0 MB in the beginning and 1.1 GB in the end (delta: 799.0 MB). Free memory was 210.3 MB in the beginning and 568.9 MB in the end (delta: -358.6 MB). Peak memory consumption was 440.4 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 42018.6ms, 105 PlacesBefore, 127 PlacesAfterwards, 97 TransitionsBefore, 118 TransitionsAfterwards, 1778 CoEnabledTransitionPairs, 8 FixpointIterations, 133 TrivialSequentialCompositions, 88 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 1 ChoiceCompositions, 223 TotalNumberOfCompositions, 16214 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4606, positive: 4325, positive conditional: 4325, positive unconditional: 0, negative: 281, negative conditional: 281, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2224, positive: 2153, positive conditional: 0, positive unconditional: 2153, negative: 71, negative conditional: 0, negative unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2224, positive: 2153, positive conditional: 0, positive unconditional: 2153, negative: 71, negative conditional: 0, negative unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2224, positive: 2134, positive conditional: 0, positive unconditional: 2134, negative: 90, negative conditional: 0, negative unconditional: 90, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 90, positive: 19, positive conditional: 0, positive unconditional: 19, negative: 71, negative conditional: 0, negative unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1756, positive: 112, positive conditional: 0, positive unconditional: 112, negative: 1644, negative conditional: 0, negative unconditional: 1644, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4606, positive: 2172, positive conditional: 2172, positive unconditional: 0, negative: 210, negative conditional: 210, negative unconditional: 0, unknown: 2224, unknown conditional: 2224, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2224, Positive cache size: 2153, Positive conditional cache size: 2153, Positive unconditional cache size: 0, Negative cache size: 71, Negative conditional cache size: 71, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 338.2ms, 123 PlacesBefore, 74 PlacesAfterwards, 65 TransitionsBefore, 65 TransitionsAfterwards, 2002 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 2676 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 428, positive: 348, positive conditional: 348, positive unconditional: 0, negative: 80, negative conditional: 80, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 97, positive: 79, positive conditional: 0, positive unconditional: 79, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 97, positive: 79, positive conditional: 0, positive unconditional: 79, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 97, positive: 69, positive conditional: 0, positive unconditional: 69, negative: 28, negative conditional: 0, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 28, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 300, positive: 131, positive conditional: 0, positive unconditional: 131, negative: 169, negative conditional: 0, negative unconditional: 169, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 428, positive: 269, positive conditional: 269, positive unconditional: 0, negative: 62, negative conditional: 62, negative unconditional: 0, unknown: 97, unknown conditional: 97, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2321, Positive cache size: 2232, Positive conditional cache size: 2232, Positive unconditional cache size: 0, Negative cache size: 89, Negative conditional cache size: 89, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 603.5ms, 76 PlacesBefore, 51 PlacesAfterwards, 45 TransitionsBefore, 45 TransitionsAfterwards, 1110 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 775 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 96, positive: 71, positive conditional: 71, positive unconditional: 0, negative: 25, negative conditional: 25, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 43, positive: 28, positive conditional: 13, positive unconditional: 15, negative: 15, negative conditional: 1, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 43, positive: 28, positive conditional: 13, positive unconditional: 15, negative: 15, negative conditional: 1, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 43, positive: 28, positive conditional: 0, positive unconditional: 28, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 15, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 15, negative conditional: 1, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 490, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 490, negative conditional: 9, negative unconditional: 480, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 96, positive: 43, positive conditional: 43, positive unconditional: 0, negative: 10, negative conditional: 10, negative unconditional: 0, unknown: 43, unknown conditional: 43, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2364, Positive cache size: 2260, Positive conditional cache size: 2260, Positive unconditional cache size: 0, Negative cache size: 104, Negative conditional cache size: 104, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 64.4ms, 52 PlacesBefore, 51 PlacesAfterwards, 44 TransitionsBefore, 44 TransitionsAfterwards, 1056 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 756 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 107, positive: 82, positive conditional: 82, positive unconditional: 0, negative: 25, negative conditional: 25, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 19, positive: 18, positive conditional: 0, positive unconditional: 18, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 19, positive: 18, positive conditional: 0, positive unconditional: 18, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 19, positive: 18, positive conditional: 0, positive unconditional: 18, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 5, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 107, positive: 64, positive conditional: 64, positive unconditional: 0, negative: 24, negative conditional: 24, negative unconditional: 0, unknown: 19, unknown conditional: 19, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2383, Positive cache size: 2278, Positive conditional cache size: 2278, Positive unconditional cache size: 0, Negative cache size: 105, Negative conditional cache size: 105, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4158.9ms, 56 PlacesBefore, 56 PlacesAfterwards, 69 TransitionsBefore, 69 TransitionsAfterwards, 1522 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1543 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 254, positive: 223, positive conditional: 223, positive unconditional: 0, negative: 31, negative conditional: 31, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 41, positive: 41, positive conditional: 24, positive unconditional: 17, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 41, positive: 41, positive conditional: 24, positive unconditional: 17, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 41, positive: 41, positive conditional: 0, positive unconditional: 41, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.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] , SemanticIndependenceRelation.Query Time [ms]: [ 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: 254, positive: 182, positive conditional: 182, positive unconditional: 0, negative: 31, negative conditional: 31, negative unconditional: 0, unknown: 41, unknown conditional: 41, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2424, Positive cache size: 2319, Positive conditional cache size: 2319, Positive unconditional cache size: 0, Negative cache size: 105, Negative conditional cache size: 105, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2763.9ms, 65 PlacesBefore, 65 PlacesAfterwards, 94 TransitionsBefore, 94 TransitionsAfterwards, 1956 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 3074 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 686, positive: 637, positive conditional: 637, positive unconditional: 0, negative: 49, negative conditional: 49, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 65, positive: 65, positive conditional: 53, positive unconditional: 12, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 65, positive: 65, positive conditional: 53, positive unconditional: 12, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 65, positive: 65, positive conditional: 0, positive unconditional: 65, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.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] , SemanticIndependenceRelation.Query Time [ms]: [ 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: 686, positive: 572, positive conditional: 572, positive unconditional: 0, negative: 49, negative conditional: 49, negative unconditional: 0, unknown: 65, unknown conditional: 65, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2489, Positive cache size: 2384, Positive conditional cache size: 2384, Positive unconditional cache size: 0, Negative cache size: 105, Negative conditional cache size: 105, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1992.5ms, 72 PlacesBefore, 70 PlacesAfterwards, 94 TransitionsBefore, 94 TransitionsAfterwards, 1860 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 2927 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 808, positive: 759, positive conditional: 759, positive unconditional: 0, negative: 49, negative conditional: 49, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 75, positive: 75, positive conditional: 75, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 75, positive: 75, positive conditional: 75, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 75, positive: 75, positive conditional: 0, positive unconditional: 75, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.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] , SemanticIndependenceRelation.Query Time [ms]: [ 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: 808, positive: 684, positive conditional: 684, positive unconditional: 0, negative: 49, negative conditional: 49, negative unconditional: 0, unknown: 75, unknown conditional: 75, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2564, Positive cache size: 2459, Positive conditional cache size: 2459, Positive unconditional cache size: 0, Negative cache size: 105, Negative conditional cache size: 105, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3109.5ms, 67 PlacesBefore, 68 PlacesAfterwards, 96 TransitionsBefore, 97 TransitionsAfterwards, 1924 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 6017 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1055, positive: 957, positive conditional: 957, positive unconditional: 0, negative: 98, negative conditional: 98, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 77, positive: 77, positive conditional: 63, positive unconditional: 14, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 77, positive: 77, positive conditional: 63, positive unconditional: 14, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 77, positive: 77, positive conditional: 0, positive unconditional: 77, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.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] , SemanticIndependenceRelation.Query Time [ms]: [ 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: 1055, positive: 880, positive conditional: 880, positive unconditional: 0, negative: 98, negative conditional: 98, negative unconditional: 0, unknown: 77, unknown conditional: 77, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2641, Positive cache size: 2536, Positive conditional cache size: 2536, Positive unconditional cache size: 0, Negative cache size: 105, Negative conditional cache size: 105, Negative unconditional cache size: 0 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L709] 0 int __unbuffered_cnt = 0; [L711] 0 int __unbuffered_p0_EAX = 0; [L713] 0 int __unbuffered_p2_EAX = 0; [L715] 0 int __unbuffered_p2_EBX = 0; [L716] 0 _Bool main$tmp_guard0; [L717] 0 _Bool main$tmp_guard1; [L719] 0 int x = 0; [L721] 0 int y = 0; [L723] 0 int z = 0; [L724] 0 _Bool z$flush_delayed; [L725] 0 int z$mem_tmp; [L726] 0 _Bool z$r_buff0_thd0; [L727] 0 _Bool z$r_buff0_thd1; [L728] 0 _Bool z$r_buff0_thd2; [L729] 0 _Bool z$r_buff0_thd3; [L730] 0 _Bool z$r_buff1_thd0; [L731] 0 _Bool z$r_buff1_thd1; [L732] 0 _Bool z$r_buff1_thd2; [L733] 0 _Bool z$r_buff1_thd3; [L734] 0 _Bool z$read_delayed; [L735] 0 int *z$read_delayed_var; [L736] 0 int z$w_buff0; [L737] 0 _Bool z$w_buff0_used; [L738] 0 int z$w_buff1; [L739] 0 _Bool z$w_buff1_used; [L740] 0 _Bool weak$$choice0; [L741] 0 _Bool weak$$choice2; [L838] 0 pthread_t t669; [L839] FCALL, FORK 0 pthread_create(&t669, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L745] 1 z$w_buff1 = z$w_buff0 [L746] 1 z$w_buff0 = 1 [L747] 1 z$w_buff1_used = z$w_buff0_used [L748] 1 z$w_buff0_used = (_Bool)1 [L18] COND FALSE 1 !(!expression) [L750] 1 z$r_buff1_thd0 = z$r_buff0_thd0 [L751] 1 z$r_buff1_thd1 = z$r_buff0_thd1 [L752] 1 z$r_buff1_thd2 = z$r_buff0_thd2 [L753] 1 z$r_buff1_thd3 = z$r_buff0_thd3 [L754] 1 z$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L757] 1 __unbuffered_p0_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L840] 0 pthread_t t670; [L841] FCALL, FORK 0 pthread_create(&t670, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L774] 2 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L842] 0 pthread_t t671; [L843] FCALL, FORK 0 pthread_create(&t671, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L777] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L794] 3 y = 2 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L797] 3 __unbuffered_p2_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L800] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L801] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L802] 3 z$flush_delayed = weak$$choice2 [L803] 3 z$mem_tmp = z [L804] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L804] 3 z = !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L805] EXPR 3 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L805] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0) [L805] EXPR 3 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L805] 3 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L806] EXPR 3 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L806] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1) [L806] EXPR 3 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L806] 3 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L807] EXPR 3 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L807] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used) [L807] EXPR 3 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L807] 3 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L808] EXPR 3 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L808] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L808] EXPR 3 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L808] 3 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L809] EXPR 3 weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L809] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3) [L809] EXPR 3 weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L809] 3 z$r_buff0_thd3 = weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L810] EXPR 3 weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L810] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L810] EXPR 3 weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L810] 3 z$r_buff1_thd3 = weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L811] 3 __unbuffered_p2_EBX = z [L812] EXPR 3 z$flush_delayed ? z$mem_tmp : z [L812] 3 z = z$flush_delayed ? z$mem_tmp : z [L813] 3 z$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=2, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L816] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L816] EXPR 3 z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z [L816] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L816] 3 z = z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L817] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L817] 3 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L818] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L818] 3 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L819] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L819] 3 z$r_buff0_thd3 = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L820] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 [L820] 3 z$r_buff1_thd3 = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 [L760] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd1 ? z$w_buff1 : z) [L760] 1 z = z$w_buff0_used && z$r_buff0_thd1 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd1 ? z$w_buff1 : z) [L761] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$w_buff0_used [L761] 1 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$w_buff0_used [L762] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$w_buff1_used [L762] 1 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$w_buff1_used [L763] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$r_buff0_thd1 [L763] 1 z$r_buff0_thd1 = z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$r_buff0_thd1 [L764] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$r_buff1_thd1 [L764] 1 z$r_buff1_thd1 = z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$r_buff1_thd1 [L767] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L769] 1 return 0; [L780] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd2 ? z$w_buff1 : z) [L780] EXPR 2 z$w_buff1_used && z$r_buff1_thd2 ? z$w_buff1 : z [L780] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd2 ? z$w_buff1 : z) [L780] 2 z = z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd2 ? z$w_buff1 : z) [L781] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$w_buff0_used [L781] 2 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$w_buff0_used [L782] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$w_buff1_used [L782] 2 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$w_buff1_used [L783] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2 [L783] 2 z$r_buff0_thd2 = z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2 [L784] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$r_buff1_thd2 [L784] 2 z$r_buff1_thd2 = z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$r_buff1_thd2 [L787] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L789] 2 return 0; VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=2, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L823] 3 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=2, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L845] 0 main$tmp_guard0 = __unbuffered_cnt == 3 [L3] COND FALSE 0 !(!cond) [L849] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L849] EXPR 0 z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z [L849] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L849] 0 z = z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L850] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L850] 0 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L851] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L851] 0 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L852] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L852] 0 z$r_buff0_thd0 = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L853] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L853] 0 z$r_buff1_thd0 = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L856] 0 main$tmp_guard1 = !(y == 2 && __unbuffered_p0_EAX == 0 && __unbuffered_p2_EAX == 2 && __unbuffered_p2_EBX == 0) [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=2, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 99 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 16.4ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 75121.8ms, OverallIterations: 8, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 17640.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 42179.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 67 SDtfs, 64 SDslu, 11 SDs, 0 SdLazy, 319 SolverSat, 137 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 692.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 25 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 201.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=708occurred in iteration=6, InterpolantAutomatonStates: 34, 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: 61.1ms SsaConstructionTime, 783.3ms SatisfiabilityAnalysisTime, 819.0ms InterpolantComputationTime, 109 NumberOfCodeBlocks, 109 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 80 ConstructedInterpolants, 0 QuantifiedInterpolants, 334 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...