/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/mix004_power.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-28 16:39:12,057 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-28 16:39:12,060 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-28 16:39:12,093 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-28 16:39:12,094 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-28 16:39:12,095 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-28 16:39:12,097 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-28 16:39:12,100 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-28 16:39:12,102 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-28 16:39:12,103 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-28 16:39:12,105 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-28 16:39:12,106 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-28 16:39:12,107 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-28 16:39:12,109 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-28 16:39:12,111 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-28 16:39:12,113 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-28 16:39:12,115 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-28 16:39:12,120 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-28 16:39:12,125 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-28 16:39:12,131 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-28 16:39:12,135 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-28 16:39:12,137 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-28 16:39:12,139 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-28 16:39:12,142 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-28 16:39:12,152 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-04-28 16:39:12,166 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-28 16:39:12,167 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-28 16:39:12,168 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-28 16:39:12,169 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 16:39:12,220 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-28 16:39:12,220 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-28 16:39:12,224 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-28 16:39:12,224 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-28 16:39:12,224 INFO L138 SettingsManager]: * Use SBE=true [2021-04-28 16:39:12,225 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-28 16:39:12,225 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-28 16:39:12,225 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-28 16:39:12,225 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-28 16:39:12,225 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-28 16:39:12,226 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-28 16:39:12,226 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-28 16:39:12,226 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-28 16:39:12,227 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-28 16:39:12,227 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-28 16:39:12,227 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-28 16:39:12,227 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-28 16:39:12,228 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-28 16:39:12,228 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-28 16:39:12,228 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-28 16:39:12,228 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-28 16:39:12,228 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 16:39:12,229 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-28 16:39:12,229 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-28 16:39:12,229 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-28 16:39:12,229 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-28 16:39:12,229 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-28 16:39:12,230 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-28 16:39:12,230 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-28 16:39:12,231 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-28 16:39:12,231 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-28 16:39:12,661 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-28 16:39:12,690 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-28 16:39:12,694 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-28 16:39:12,695 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-28 16:39:12,696 INFO L275 PluginConnector]: CDTParser initialized [2021-04-28 16:39:12,698 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix004_power.oepc.i [2021-04-28 16:39:12,794 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2b4e5ba6/1e7e43a9b9504a8c8813220827e05589/FLAG7f4d2e1b1 [2021-04-28 16:39:13,483 INFO L306 CDTParser]: Found 1 translation units. [2021-04-28 16:39:13,484 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix004_power.oepc.i [2021-04-28 16:39:13,506 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2b4e5ba6/1e7e43a9b9504a8c8813220827e05589/FLAG7f4d2e1b1 [2021-04-28 16:39:13,770 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2b4e5ba6/1e7e43a9b9504a8c8813220827e05589 [2021-04-28 16:39:13,773 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-28 16:39:13,811 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-28 16:39:13,813 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-28 16:39:13,813 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-28 16:39:13,817 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-28 16:39:13,818 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 04:39:13" (1/1) ... [2021-04-28 16:39:13,819 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@530217f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 04:39:13, skipping insertion in model container [2021-04-28 16:39:13,819 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 04:39:13" (1/1) ... [2021-04-28 16:39:13,827 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-28 16:39:13,872 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-28 16:39:14,072 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/mix004_power.oepc.i[951,964] [2021-04-28 16:39:14,458 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 16:39:14,479 INFO L203 MainTranslator]: Completed pre-run [2021-04-28 16:39:14,494 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/mix004_power.oepc.i[951,964] [2021-04-28 16:39:14,594 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 16:39:14,743 INFO L208 MainTranslator]: Completed translation [2021-04-28 16:39:14,744 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 04:39:14 WrapperNode [2021-04-28 16:39:14,744 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-28 16:39:14,745 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-28 16:39:14,746 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-28 16:39:14,746 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-28 16:39:14,756 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 04:39:14" (1/1) ... [2021-04-28 16:39:14,779 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 04:39:14" (1/1) ... [2021-04-28 16:39:14,831 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-28 16:39:14,835 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-28 16:39:14,836 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-28 16:39:14,836 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-28 16:39:14,848 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 04:39:14" (1/1) ... [2021-04-28 16:39:14,848 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 04:39:14" (1/1) ... [2021-04-28 16:39:14,854 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 04:39:14" (1/1) ... [2021-04-28 16:39:14,854 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 04:39:14" (1/1) ... [2021-04-28 16:39:14,866 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 04:39:14" (1/1) ... [2021-04-28 16:39:14,871 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 04:39:14" (1/1) ... [2021-04-28 16:39:14,876 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 04:39:14" (1/1) ... [2021-04-28 16:39:14,882 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-28 16:39:14,883 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-28 16:39:14,883 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-28 16:39:14,883 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-28 16:39:14,884 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 04:39:14" (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 16:39:14,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-28 16:39:14,989 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-04-28 16:39:14,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-28 16:39:14,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-28 16:39:14,990 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-04-28 16:39:14,990 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-04-28 16:39:14,990 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-04-28 16:39:14,991 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-04-28 16:39:14,991 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-04-28 16:39:14,991 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-04-28 16:39:14,991 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-04-28 16:39:14,991 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-04-28 16:39:14,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-28 16:39:14,991 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-04-28 16:39:14,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-28 16:39:14,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-28 16:39:14,994 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 16:39:17,528 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-28 16:39:17,528 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-04-28 16:39:17,532 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 04:39:17 BoogieIcfgContainer [2021-04-28 16:39:17,532 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-28 16:39:17,535 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-28 16:39:17,535 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-28 16:39:17,539 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-28 16:39:17,539 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.04 04:39:13" (1/3) ... [2021-04-28 16:39:17,540 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@306f7059 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 04:39:17, skipping insertion in model container [2021-04-28 16:39:17,541 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 04:39:14" (2/3) ... [2021-04-28 16:39:17,541 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@306f7059 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 04:39:17, skipping insertion in model container [2021-04-28 16:39:17,542 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 04:39:17" (3/3) ... [2021-04-28 16:39:17,544 INFO L111 eAbstractionObserver]: Analyzing ICFG mix004_power.oepc.i [2021-04-28 16:39:17,552 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-28 16:39:17,558 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-04-28 16:39:17,559 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-28 16:39:17,601 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,602 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,602 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,602 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,602 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,603 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,603 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,603 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,603 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,604 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,604 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,604 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,604 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,604 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,605 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,605 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,605 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,605 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,606 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,606 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,606 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,606 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,606 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,607 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,607 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,607 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,607 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,608 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,608 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,608 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,609 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,609 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,609 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,609 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,610 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,610 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,610 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,610 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,610 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,611 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,611 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,611 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,611 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,612 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,612 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,612 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,612 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,612 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,612 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,613 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,613 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,613 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,613 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,614 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,614 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,614 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,615 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,615 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,615 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,615 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,616 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,616 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,616 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,616 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,616 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,617 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,617 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,617 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,617 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,617 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,618 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,618 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,618 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,618 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,618 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,619 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,619 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,619 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,619 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,619 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,620 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,620 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,621 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,621 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,621 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,621 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,621 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,622 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,622 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,622 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,622 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,622 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,623 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,623 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,623 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,623 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,623 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,624 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,624 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,624 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,624 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,624 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,624 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,625 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,625 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,625 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,625 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,625 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,626 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,626 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,626 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,626 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,626 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,626 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,626 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,627 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,627 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,627 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,627 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,627 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,627 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,628 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,628 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,628 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,628 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,628 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,628 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,629 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,629 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,629 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,629 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,629 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,631 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,631 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,631 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,632 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,632 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,632 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,632 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,632 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,632 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,632 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,633 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,633 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,633 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,633 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,633 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,633 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,634 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,634 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,634 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,634 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,634 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,634 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,634 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,635 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,635 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,635 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,635 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,635 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,635 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,636 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,636 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,636 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,636 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,636 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,636 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,636 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,637 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,637 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,639 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,639 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,639 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,640 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,640 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,640 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,640 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,641 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,641 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,641 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,641 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,641 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,641 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,642 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,642 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,643 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,643 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,643 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,645 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,646 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,646 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,646 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,646 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,647 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,647 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,647 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,647 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,647 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,648 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,648 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,648 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,648 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,648 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,648 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,649 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,649 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,649 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,649 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,649 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,650 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,650 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,650 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,650 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,650 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,651 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,651 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,651 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,651 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,651 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,652 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,652 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,654 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,654 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,654 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,655 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,655 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,655 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,655 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,655 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,656 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,656 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,656 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,656 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,661 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,662 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,662 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,662 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,662 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,663 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,663 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,663 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,663 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,663 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,665 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,665 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,665 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,665 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,666 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,666 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,666 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,666 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,666 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,667 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:17,668 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-28 16:39:17,695 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-04-28 16:39:17,722 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-28 16:39:17,723 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-28 16:39:17,723 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-28 16:39:17,723 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-28 16:39:17,723 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-28 16:39:17,723 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-28 16:39:17,723 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-28 16:39:17,724 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-28 16:39:17,738 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 132 places, 121 transitions, 262 flow [2021-04-28 16:39:17,794 INFO L129 PetriNetUnfolder]: 2/117 cut-off events. [2021-04-28 16:39:17,794 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 16:39:17,801 INFO L84 FinitePrefix]: Finished finitePrefix Result has 130 conditions, 117 events. 2/117 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 93 event pairs, 0 based on Foata normal form. 0/113 useless extension candidates. Maximal degree in co-relation 78. Up to 2 conditions per place. [2021-04-28 16:39:17,801 INFO L82 GeneralOperation]: Start removeDead. Operand has 132 places, 121 transitions, 262 flow [2021-04-28 16:39:17,808 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 128 places, 117 transitions, 246 flow [2021-04-28 16:39:17,810 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 16:39:17,832 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 128 places, 117 transitions, 246 flow [2021-04-28 16:39:17,836 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 128 places, 117 transitions, 246 flow [2021-04-28 16:39:17,839 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 128 places, 117 transitions, 246 flow [2021-04-28 16:39:17,869 INFO L129 PetriNetUnfolder]: 2/117 cut-off events. [2021-04-28 16:39:17,869 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 16:39:17,871 INFO L84 FinitePrefix]: Finished finitePrefix Result has 130 conditions, 117 events. 2/117 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 95 event pairs, 0 based on Foata normal form. 0/113 useless extension candidates. Maximal degree in co-relation 78. Up to 2 conditions per place. [2021-04-28 16:39:17,876 INFO L146 LiptonReduction]: Number of co-enabled transitions 2886 [2021-04-28 16:39:21,319 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-04-28 16:39:21,449 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 16:39:21,951 WARN L205 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 86 [2021-04-28 16:39:22,141 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 16:39:23,007 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2021-04-28 16:39:29,936 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 16:39:38,523 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 16:39:39,559 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2021-04-28 16:39:39,683 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2021-04-28 16:39:39,807 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2021-04-28 16:39:39,930 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2021-04-28 16:39:40,519 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-04-28 16:39:40,632 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-04-28 16:39:40,740 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-04-28 16:39:40,892 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-04-28 16:39:42,886 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 16:39:43,044 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 16:39:43,169 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 16:39:43,286 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 16:39:43,403 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 16:39:43,523 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 16:39:43,649 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 16:39:43,776 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 16:39:43,918 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 16:39:44,055 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 16:39:44,197 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 16:39:44,337 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 16:39:44,823 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 16:39:44,930 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 16:39:45,034 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 16:39:45,141 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 16:39:45,668 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 16:39:45,800 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 16:39:45,929 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 16:39:46,056 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 16:39:46,159 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 16:39:46,572 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 16:39:46,691 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 16:39:46,806 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 16:39:46,926 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 16:39:47,057 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 16:39:47,177 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 16:39:47,301 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 16:39:47,428 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 16:39:47,561 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 16:39:47,699 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 16:39:47,831 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 16:39:47,959 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 16:39:48,061 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 16:39:48,198 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 16:39:48,318 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 16:39:48,442 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 16:39:48,562 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 16:39:48,684 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 16:39:48,795 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 16:39:48,911 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 16:39:49,082 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 16:39:49,240 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 16:39:49,387 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 16:39:49,538 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 16:39:49,647 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 16:39:49,759 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 16:39:49,867 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 16:39:49,976 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 16:39:50,166 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 16:39:50,327 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 16:39:50,487 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 16:39:50,643 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 16:39:50,799 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 16:39:50,952 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 16:39:51,108 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 16:39:51,262 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 16:39:51,452 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-04-28 16:39:51,619 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-04-28 16:39:51,785 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-04-28 16:39:51,956 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-04-28 16:39:52,123 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-04-28 16:39:52,291 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-04-28 16:39:52,466 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-04-28 16:39:52,646 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-04-28 16:39:52,795 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 16:39:52,945 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 16:39:53,092 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 16:39:53,243 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 16:39:53,675 WARN L205 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 123 [2021-04-28 16:39:53,877 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2021-04-28 16:39:54,308 WARN L205 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 123 [2021-04-28 16:39:54,539 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2021-04-28 16:39:55,002 WARN L205 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 128 [2021-04-28 16:39:55,227 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2021-04-28 16:39:55,696 WARN L205 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 128 [2021-04-28 16:39:55,921 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2021-04-28 16:39:56,108 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-04-28 16:39:56,302 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-04-28 16:39:56,480 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-04-28 16:39:56,667 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-04-28 16:39:56,846 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 16:39:57,020 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 16:39:57,195 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 16:39:57,366 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 16:39:57,562 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-04-28 16:39:57,750 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-04-28 16:39:57,931 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-04-28 16:39:58,111 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-04-28 16:39:58,214 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 16:39:58,316 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 16:39:58,632 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 16:39:58,746 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 16:39:58,863 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 16:39:58,978 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 16:39:59,166 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-04-28 16:39:59,342 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-04-28 16:39:59,518 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-04-28 16:39:59,690 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-04-28 16:39:59,760 INFO L158 LiptonReduction]: Checked pairs total: 29738 [2021-04-28 16:39:59,760 INFO L160 LiptonReduction]: Total number of compositions: 291 [2021-04-28 16:39:59,766 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 41958 [2021-04-28 16:39:59,791 INFO L129 PetriNetUnfolder]: 0/62 cut-off events. [2021-04-28 16:39:59,791 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 16:39:59,791 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 16:39:59,792 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2021-04-28 16:39:59,792 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 16:39:59,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 16:39:59,799 INFO L82 PathProgramCache]: Analyzing trace with hash 1403811, now seen corresponding path program 1 times [2021-04-28 16:39:59,809 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 16:39:59,810 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083988396] [2021-04-28 16:39:59,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 16:39:59,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 16:40:00,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 16:40:00,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 16:40:00,068 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 16:40:00,068 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083988396] [2021-04-28 16:40:00,069 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 16:40:00,069 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 16:40:00,070 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820254243] [2021-04-28 16:40:00,081 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 16:40:00,081 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 16:40:00,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 16:40:00,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 16:40:00,104 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 314 out of 412 [2021-04-28 16:40:00,110 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 156 places, 144 transitions, 300 flow. Second operand has 3 states, 3 states have (on average 314.6666666666667) internal successors, (944), 3 states have internal predecessors, (944), 0 states have call successors, (0), 0 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 16:40:00,110 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 16:40:00,111 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 314 of 412 [2021-04-28 16:40:00,112 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 16:40:00,386 INFO L129 PetriNetUnfolder]: 133/694 cut-off events. [2021-04-28 16:40:00,386 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 16:40:00,392 INFO L84 FinitePrefix]: Finished finitePrefix Result has 928 conditions, 694 events. 133/694 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 99. Compared 5721 event pairs, 110 based on Foata normal form. 69/349 useless extension candidates. Maximal degree in co-relation 844. Up to 153 conditions per place. [2021-04-28 16:40:00,398 INFO L132 encePairwiseOnDemand]: 391/412 looper letters, 11 selfloop transitions, 2 changer transitions 60/145 dead transitions. [2021-04-28 16:40:00,399 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 155 places, 145 transitions, 358 flow [2021-04-28 16:40:00,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 16:40:00,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 16:40:00,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 977 transitions. [2021-04-28 16:40:00,420 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.790453074433657 [2021-04-28 16:40:00,421 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 977 transitions. [2021-04-28 16:40:00,421 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 977 transitions. [2021-04-28 16:40:00,425 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 16:40:00,428 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 977 transitions. [2021-04-28 16:40:00,435 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 325.6666666666667) internal successors, (977), 3 states have internal predecessors, (977), 0 states have call successors, (0), 0 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 16:40:00,446 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 412.0) internal successors, (1648), 4 states have internal predecessors, (1648), 0 states have call successors, (0), 0 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 16:40:00,448 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 412.0) internal successors, (1648), 4 states have internal predecessors, (1648), 0 states have call successors, (0), 0 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 16:40:00,450 INFO L185 Difference]: Start difference. First operand has 156 places, 144 transitions, 300 flow. Second operand 3 states and 977 transitions. [2021-04-28 16:40:00,451 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 155 places, 145 transitions, 358 flow [2021-04-28 16:40:00,455 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 151 places, 145 transitions, 354 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-04-28 16:40:00,459 INFO L241 Difference]: Finished difference. Result has 151 places, 80 transitions, 172 flow [2021-04-28 16:40:00,461 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=412, PETRI_DIFFERENCE_MINUEND_FLOW=288, PETRI_DIFFERENCE_MINUEND_PLACES=149, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=140, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=138, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=172, PETRI_PLACES=151, PETRI_TRANSITIONS=80} [2021-04-28 16:40:00,462 INFO L343 CegarLoopForPetriNet]: 156 programPoint places, -5 predicate places. [2021-04-28 16:40:00,462 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 16:40:00,462 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 151 places, 80 transitions, 172 flow [2021-04-28 16:40:00,463 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 151 places, 80 transitions, 172 flow [2021-04-28 16:40:00,464 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 91 places, 80 transitions, 172 flow [2021-04-28 16:40:00,476 INFO L129 PetriNetUnfolder]: 0/80 cut-off events. [2021-04-28 16:40:00,476 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 16:40:00,476 INFO L84 FinitePrefix]: Finished finitePrefix Result has 92 conditions, 80 events. 0/80 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 389 event pairs, 0 based on Foata normal form. 0/30 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-04-28 16:40:00,479 INFO L146 LiptonReduction]: Number of co-enabled transitions 3270 [2021-04-28 16:40:00,905 INFO L158 LiptonReduction]: Checked pairs total: 4426 [2021-04-28 16:40:00,905 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 16:40:00,905 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 443 [2021-04-28 16:40:00,908 INFO L480 AbstractCegarLoop]: Abstraction has has 91 places, 80 transitions, 172 flow [2021-04-28 16:40:00,909 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 314.6666666666667) internal successors, (944), 3 states have internal predecessors, (944), 0 states have call successors, (0), 0 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 16:40:00,909 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 16:40:00,910 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 16:40:00,910 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-28 16:40:00,910 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 16:40:00,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 16:40:00,911 INFO L82 PathProgramCache]: Analyzing trace with hash 1218152196, now seen corresponding path program 1 times [2021-04-28 16:40:00,911 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 16:40:00,911 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009025896] [2021-04-28 16:40:00,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 16:40:00,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 16:40:01,031 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-04-28 16:40:01,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-28 16:40:01,043 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 16:40:01,044 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009025896] [2021-04-28 16:40:01,044 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 16:40:01,044 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 16:40:01,044 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892968693] [2021-04-28 16:40:01,046 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 16:40:01,046 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 16:40:01,047 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 16:40:01,047 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 16:40:01,050 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 265 out of 412 [2021-04-28 16:40:01,051 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 80 transitions, 172 flow. Second operand has 3 states, 3 states have (on average 265.6666666666667) internal successors, (797), 3 states have internal predecessors, (797), 0 states have call successors, (0), 0 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 16:40:01,051 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 16:40:01,081 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 265 of 412 [2021-04-28 16:40:01,081 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 16:40:02,176 INFO L129 PetriNetUnfolder]: 2890/6356 cut-off events. [2021-04-28 16:40:02,177 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 16:40:02,214 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10719 conditions, 6356 events. 2890/6356 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 1040. Compared 64899 event pairs, 1162 based on Foata normal form. 0/4408 useless extension candidates. Maximal degree in co-relation 10710. Up to 3871 conditions per place. [2021-04-28 16:40:02,225 INFO L132 encePairwiseOnDemand]: 389/412 looper letters, 7 selfloop transitions, 5 changer transitions 52/110 dead transitions. [2021-04-28 16:40:02,225 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 110 transitions, 360 flow [2021-04-28 16:40:02,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 16:40:02,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 16:40:02,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 856 transitions. [2021-04-28 16:40:02,229 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6925566343042071 [2021-04-28 16:40:02,229 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 856 transitions. [2021-04-28 16:40:02,230 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 856 transitions. [2021-04-28 16:40:02,230 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 16:40:02,231 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 856 transitions. [2021-04-28 16:40:02,233 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 285.3333333333333) internal successors, (856), 3 states have internal predecessors, (856), 0 states have call successors, (0), 0 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 16:40:02,237 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 412.0) internal successors, (1648), 4 states have internal predecessors, (1648), 0 states have call successors, (0), 0 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 16:40:02,238 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 412.0) internal successors, (1648), 4 states have internal predecessors, (1648), 0 states have call successors, (0), 0 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 16:40:02,239 INFO L185 Difference]: Start difference. First operand has 91 places, 80 transitions, 172 flow. Second operand 3 states and 856 transitions. [2021-04-28 16:40:02,239 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 110 transitions, 360 flow [2021-04-28 16:40:02,240 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 110 transitions, 356 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 16:40:02,243 INFO L241 Difference]: Finished difference. Result has 92 places, 58 transitions, 153 flow [2021-04-28 16:40:02,243 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=412, PETRI_DIFFERENCE_MINUEND_FLOW=168, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=80, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=75, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=153, PETRI_PLACES=92, PETRI_TRANSITIONS=58} [2021-04-28 16:40:02,244 INFO L343 CegarLoopForPetriNet]: 156 programPoint places, -64 predicate places. [2021-04-28 16:40:02,244 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 16:40:02,244 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 92 places, 58 transitions, 153 flow [2021-04-28 16:40:02,245 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 92 places, 58 transitions, 153 flow [2021-04-28 16:40:02,245 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 66 places, 58 transitions, 153 flow [2021-04-28 16:40:02,312 INFO L129 PetriNetUnfolder]: 129/446 cut-off events. [2021-04-28 16:40:02,312 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 16:40:02,314 INFO L84 FinitePrefix]: Finished finitePrefix Result has 661 conditions, 446 events. 129/446 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 3097 event pairs, 95 based on Foata normal form. 0/311 useless extension candidates. Maximal degree in co-relation 653. Up to 200 conditions per place. [2021-04-28 16:40:02,326 INFO L146 LiptonReduction]: Number of co-enabled transitions 1848 [2021-04-28 16:40:02,584 INFO L158 LiptonReduction]: Checked pairs total: 1406 [2021-04-28 16:40:02,585 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 16:40:02,585 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 341 [2021-04-28 16:40:02,587 INFO L480 AbstractCegarLoop]: Abstraction has has 66 places, 58 transitions, 153 flow [2021-04-28 16:40:02,588 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 265.6666666666667) internal successors, (797), 3 states have internal predecessors, (797), 0 states have call successors, (0), 0 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 16:40:02,589 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 16:40:02,589 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 16:40:02,589 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-28 16:40:02,589 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 16:40:02,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 16:40:02,590 INFO L82 PathProgramCache]: Analyzing trace with hash 513978711, now seen corresponding path program 1 times [2021-04-28 16:40:02,590 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 16:40:02,590 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427065441] [2021-04-28 16:40:02,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 16:40:02,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 16:40:02,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 16:40:02,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 16:40:02,733 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-04-28 16:40:02,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-28 16:40:02,750 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 16:40:02,751 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427065441] [2021-04-28 16:40:02,751 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 16:40:02,751 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 16:40:02,751 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718040941] [2021-04-28 16:40:02,752 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 16:40:02,752 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 16:40:02,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 16:40:02,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-28 16:40:02,755 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 265 out of 412 [2021-04-28 16:40:02,757 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 58 transitions, 153 flow. Second operand has 4 states, 4 states have (on average 265.75) internal successors, (1063), 4 states have internal predecessors, (1063), 0 states have call successors, (0), 0 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 16:40:02,757 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 16:40:02,757 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 265 of 412 [2021-04-28 16:40:02,757 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 16:40:02,852 INFO L129 PetriNetUnfolder]: 101/335 cut-off events. [2021-04-28 16:40:02,852 INFO L130 PetriNetUnfolder]: For 19/111 co-relation queries the response was YES. [2021-04-28 16:40:02,854 INFO L84 FinitePrefix]: Finished finitePrefix Result has 673 conditions, 335 events. 101/335 cut-off events. For 19/111 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 1974 event pairs, 38 based on Foata normal form. 9/249 useless extension candidates. Maximal degree in co-relation 663. Up to 161 conditions per place. [2021-04-28 16:40:02,857 INFO L132 encePairwiseOnDemand]: 409/412 looper letters, 13 selfloop transitions, 3 changer transitions 0/62 dead transitions. [2021-04-28 16:40:02,858 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 62 transitions, 201 flow [2021-04-28 16:40:02,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 16:40:02,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 16:40:02,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 808 transitions. [2021-04-28 16:40:02,862 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6537216828478964 [2021-04-28 16:40:02,862 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 808 transitions. [2021-04-28 16:40:02,862 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 808 transitions. [2021-04-28 16:40:02,863 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 16:40:02,863 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 808 transitions. [2021-04-28 16:40:02,865 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 269.3333333333333) internal successors, (808), 3 states have internal predecessors, (808), 0 states have call successors, (0), 0 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 16:40:02,869 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 412.0) internal successors, (1648), 4 states have internal predecessors, (1648), 0 states have call successors, (0), 0 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 16:40:02,870 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 412.0) internal successors, (1648), 4 states have internal predecessors, (1648), 0 states have call successors, (0), 0 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 16:40:02,871 INFO L185 Difference]: Start difference. First operand has 66 places, 58 transitions, 153 flow. Second operand 3 states and 808 transitions. [2021-04-28 16:40:02,871 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 62 transitions, 201 flow [2021-04-28 16:40:02,873 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 62 transitions, 196 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 16:40:02,875 INFO L241 Difference]: Finished difference. Result has 68 places, 58 transitions, 159 flow [2021-04-28 16:40:02,875 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=412, PETRI_DIFFERENCE_MINUEND_FLOW=148, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=159, PETRI_PLACES=68, PETRI_TRANSITIONS=58} [2021-04-28 16:40:02,876 INFO L343 CegarLoopForPetriNet]: 156 programPoint places, -88 predicate places. [2021-04-28 16:40:02,876 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 16:40:02,877 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 68 places, 58 transitions, 159 flow [2021-04-28 16:40:02,878 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 68 places, 58 transitions, 159 flow [2021-04-28 16:40:02,879 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 68 places, 58 transitions, 159 flow [2021-04-28 16:40:02,934 INFO L129 PetriNetUnfolder]: 101/363 cut-off events. [2021-04-28 16:40:02,935 INFO L130 PetriNetUnfolder]: For 31/42 co-relation queries the response was YES. [2021-04-28 16:40:02,937 INFO L84 FinitePrefix]: Finished finitePrefix Result has 585 conditions, 363 events. 101/363 cut-off events. For 31/42 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 2309 event pairs, 59 based on Foata normal form. 0/254 useless extension candidates. Maximal degree in co-relation 575. Up to 161 conditions per place. [2021-04-28 16:40:02,946 INFO L146 LiptonReduction]: Number of co-enabled transitions 1844 [2021-04-28 16:40:02,959 INFO L158 LiptonReduction]: Checked pairs total: 1404 [2021-04-28 16:40:02,959 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 16:40:02,960 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 84 [2021-04-28 16:40:02,962 INFO L480 AbstractCegarLoop]: Abstraction has has 68 places, 58 transitions, 159 flow [2021-04-28 16:40:02,964 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 265.75) internal successors, (1063), 4 states have internal predecessors, (1063), 0 states have call successors, (0), 0 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 16:40:02,964 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 16:40:02,964 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 16:40:02,965 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-28 16:40:02,965 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 16:40:02,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 16:40:02,965 INFO L82 PathProgramCache]: Analyzing trace with hash 1531039779, now seen corresponding path program 1 times [2021-04-28 16:40:02,965 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 16:40:02,966 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567343661] [2021-04-28 16:40:02,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 16:40:03,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 16:40:03,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 16:40:03,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 16:40:03,098 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-04-28 16:40:03,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-28 16:40:03,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 16:40:03,115 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567343661] [2021-04-28 16:40:03,115 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 16:40:03,115 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 16:40:03,116 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519078042] [2021-04-28 16:40:03,116 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 16:40:03,117 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 16:40:03,117 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 16:40:03,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-28 16:40:03,123 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 265 out of 412 [2021-04-28 16:40:03,125 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 58 transitions, 159 flow. Second operand has 4 states, 4 states have (on average 265.75) internal successors, (1063), 4 states have internal predecessors, (1063), 0 states have call successors, (0), 0 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 16:40:03,125 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 16:40:03,125 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 265 of 412 [2021-04-28 16:40:03,128 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 16:40:03,201 INFO L129 PetriNetUnfolder]: 81/243 cut-off events. [2021-04-28 16:40:03,201 INFO L130 PetriNetUnfolder]: For 65/177 co-relation queries the response was YES. [2021-04-28 16:40:03,203 INFO L84 FinitePrefix]: Finished finitePrefix Result has 563 conditions, 243 events. 81/243 cut-off events. For 65/177 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 1238 event pairs, 10 based on Foata normal form. 6/188 useless extension candidates. Maximal degree in co-relation 551. Up to 133 conditions per place. [2021-04-28 16:40:03,205 INFO L132 encePairwiseOnDemand]: 409/412 looper letters, 13 selfloop transitions, 3 changer transitions 0/62 dead transitions. [2021-04-28 16:40:03,205 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 62 transitions, 210 flow [2021-04-28 16:40:03,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 16:40:03,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 16:40:03,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 808 transitions. [2021-04-28 16:40:03,209 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6537216828478964 [2021-04-28 16:40:03,209 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 808 transitions. [2021-04-28 16:40:03,209 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 808 transitions. [2021-04-28 16:40:03,210 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 16:40:03,210 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 808 transitions. [2021-04-28 16:40:03,213 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 269.3333333333333) internal successors, (808), 3 states have internal predecessors, (808), 0 states have call successors, (0), 0 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 16:40:03,217 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 412.0) internal successors, (1648), 4 states have internal predecessors, (1648), 0 states have call successors, (0), 0 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 16:40:03,219 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 412.0) internal successors, (1648), 4 states have internal predecessors, (1648), 0 states have call successors, (0), 0 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 16:40:03,219 INFO L185 Difference]: Start difference. First operand has 68 places, 58 transitions, 159 flow. Second operand 3 states and 808 transitions. [2021-04-28 16:40:03,219 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 62 transitions, 210 flow [2021-04-28 16:40:03,220 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 62 transitions, 202 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 16:40:03,222 INFO L241 Difference]: Finished difference. Result has 69 places, 58 transitions, 164 flow [2021-04-28 16:40:03,222 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=412, PETRI_DIFFERENCE_MINUEND_FLOW=153, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=164, PETRI_PLACES=69, PETRI_TRANSITIONS=58} [2021-04-28 16:40:03,223 INFO L343 CegarLoopForPetriNet]: 156 programPoint places, -87 predicate places. [2021-04-28 16:40:03,223 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 16:40:03,223 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 69 places, 58 transitions, 164 flow [2021-04-28 16:40:03,223 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 69 places, 58 transitions, 164 flow [2021-04-28 16:40:03,224 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 69 places, 58 transitions, 164 flow [2021-04-28 16:40:03,275 INFO L129 PetriNetUnfolder]: 81/319 cut-off events. [2021-04-28 16:40:03,275 INFO L130 PetriNetUnfolder]: For 55/63 co-relation queries the response was YES. [2021-04-28 16:40:03,277 INFO L84 FinitePrefix]: Finished finitePrefix Result has 534 conditions, 319 events. 81/319 cut-off events. For 55/63 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 1973 event pairs, 42 based on Foata normal form. 1/221 useless extension candidates. Maximal degree in co-relation 523. Up to 133 conditions per place. [2021-04-28 16:40:03,285 INFO L146 LiptonReduction]: Number of co-enabled transitions 1840 [2021-04-28 16:40:03,293 INFO L158 LiptonReduction]: Checked pairs total: 1402 [2021-04-28 16:40:03,293 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 16:40:03,293 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 70 [2021-04-28 16:40:03,296 INFO L480 AbstractCegarLoop]: Abstraction has has 69 places, 58 transitions, 164 flow [2021-04-28 16:40:03,297 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 265.75) internal successors, (1063), 4 states have internal predecessors, (1063), 0 states have call successors, (0), 0 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 16:40:03,297 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 16:40:03,297 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 16:40:03,297 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-28 16:40:03,298 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 16:40:03,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 16:40:03,298 INFO L82 PathProgramCache]: Analyzing trace with hash -308596971, now seen corresponding path program 1 times [2021-04-28 16:40:03,298 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 16:40:03,298 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434345036] [2021-04-28 16:40:03,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 16:40:03,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 16:40:03,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 16:40:03,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 16:40:03,365 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 16:40:03,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 16:40:03,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 16:40:03,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 16:40:03,383 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 16:40:03,383 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434345036] [2021-04-28 16:40:03,383 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 16:40:03,383 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 16:40:03,384 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673232205] [2021-04-28 16:40:03,384 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 16:40:03,384 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 16:40:03,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 16:40:03,385 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 16:40:03,388 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 316 out of 412 [2021-04-28 16:40:03,390 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 58 transitions, 164 flow. Second operand has 4 states, 4 states have (on average 316.75) internal successors, (1267), 4 states have internal predecessors, (1267), 0 states have call successors, (0), 0 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 16:40:03,390 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 16:40:03,390 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 316 of 412 [2021-04-28 16:40:03,390 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 16:40:07,757 INFO L129 PetriNetUnfolder]: 23401/35115 cut-off events. [2021-04-28 16:40:07,757 INFO L130 PetriNetUnfolder]: For 1752/1818 co-relation queries the response was YES. [2021-04-28 16:40:08,075 INFO L84 FinitePrefix]: Finished finitePrefix Result has 71281 conditions, 35115 events. 23401/35115 cut-off events. For 1752/1818 co-relation queries the response was YES. Maximal size of possible extension queue 5331. Compared 305511 event pairs, 12259 based on Foata normal form. 649/10705 useless extension candidates. Maximal degree in co-relation 71268. Up to 22030 conditions per place. [2021-04-28 16:40:08,279 INFO L132 encePairwiseOnDemand]: 392/412 looper letters, 34 selfloop transitions, 33 changer transitions 0/102 dead transitions. [2021-04-28 16:40:08,280 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 102 transitions, 386 flow [2021-04-28 16:40:08,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 16:40:08,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 16:40:08,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1646 transitions. [2021-04-28 16:40:08,287 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7990291262135922 [2021-04-28 16:40:08,287 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1646 transitions. [2021-04-28 16:40:08,287 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1646 transitions. [2021-04-28 16:40:08,289 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 16:40:08,289 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1646 transitions. [2021-04-28 16:40:08,294 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 329.2) internal successors, (1646), 5 states have internal predecessors, (1646), 0 states have call successors, (0), 0 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 16:40:08,300 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 412.0) internal successors, (2472), 6 states have internal predecessors, (2472), 0 states have call successors, (0), 0 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 16:40:08,302 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 412.0) internal successors, (2472), 6 states have internal predecessors, (2472), 0 states have call successors, (0), 0 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 16:40:08,303 INFO L185 Difference]: Start difference. First operand has 69 places, 58 transitions, 164 flow. Second operand 5 states and 1646 transitions. [2021-04-28 16:40:08,303 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 102 transitions, 386 flow [2021-04-28 16:40:08,310 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 102 transitions, 380 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 16:40:08,316 INFO L241 Difference]: Finished difference. Result has 74 places, 89 transitions, 404 flow [2021-04-28 16:40:08,316 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=412, PETRI_DIFFERENCE_MINUEND_FLOW=158, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=404, PETRI_PLACES=74, PETRI_TRANSITIONS=89} [2021-04-28 16:40:08,317 INFO L343 CegarLoopForPetriNet]: 156 programPoint places, -82 predicate places. [2021-04-28 16:40:08,317 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 16:40:08,317 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 74 places, 89 transitions, 404 flow [2021-04-28 16:40:08,317 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 74 places, 89 transitions, 404 flow [2021-04-28 16:40:08,318 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 74 places, 89 transitions, 404 flow [2021-04-28 16:40:11,625 INFO L129 PetriNetUnfolder]: 20786/31887 cut-off events. [2021-04-28 16:40:11,625 INFO L130 PetriNetUnfolder]: For 7647/13474 co-relation queries the response was YES. [2021-04-28 16:40:11,762 INFO L84 FinitePrefix]: Finished finitePrefix Result has 90893 conditions, 31887 events. 20786/31887 cut-off events. For 7647/13474 co-relation queries the response was YES. Maximal size of possible extension queue 4241. Compared 288941 event pairs, 11790 based on Foata normal form. 9/10046 useless extension candidates. Maximal degree in co-relation 90879. Up to 29372 conditions per place. [2021-04-28 16:40:12,092 INFO L146 LiptonReduction]: Number of co-enabled transitions 2592 [2021-04-28 16:40:58,809 INFO L158 LiptonReduction]: Checked pairs total: 2880 [2021-04-28 16:40:58,809 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 16:40:58,810 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 50493 [2021-04-28 16:40:58,815 INFO L480 AbstractCegarLoop]: Abstraction has has 74 places, 89 transitions, 404 flow [2021-04-28 16:40:58,817 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 316.75) internal successors, (1267), 4 states have internal predecessors, (1267), 0 states have call successors, (0), 0 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 16:40:58,817 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 16:40:58,817 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 16:40:58,817 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-28 16:40:58,817 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 16:40:58,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 16:40:58,829 INFO L82 PathProgramCache]: Analyzing trace with hash -1422056054, now seen corresponding path program 1 times [2021-04-28 16:40:58,829 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 16:40:58,829 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551793934] [2021-04-28 16:40:58,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 16:40:58,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 16:40:58,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 16:40:58,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 16:40:58,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 16:40:58,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 16:40:58,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 16:40:58,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 16:40:58,960 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 16:40:58,963 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551793934] [2021-04-28 16:40:58,963 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 16:40:58,963 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 16:40:58,964 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98065470] [2021-04-28 16:40:58,964 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 16:40:58,964 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 16:40:58,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 16:40:58,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 16:40:58,967 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 253 out of 412 [2021-04-28 16:40:58,970 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 89 transitions, 404 flow. Second operand has 4 states, 4 states have (on average 254.25) internal successors, (1017), 4 states have internal predecessors, (1017), 0 states have call successors, (0), 0 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 16:40:58,970 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 16:40:58,970 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 253 of 412 [2021-04-28 16:40:58,970 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 16:41:03,064 INFO L129 PetriNetUnfolder]: 33640/50355 cut-off events. [2021-04-28 16:41:03,064 INFO L130 PetriNetUnfolder]: For 14886/100050 co-relation queries the response was YES. [2021-04-28 16:41:03,267 INFO L84 FinitePrefix]: Finished finitePrefix Result has 144186 conditions, 50355 events. 33640/50355 cut-off events. For 14886/100050 co-relation queries the response was YES. Maximal size of possible extension queue 8178. Compared 458968 event pairs, 19218 based on Foata normal form. 464/15446 useless extension candidates. Maximal degree in co-relation 144170. Up to 47132 conditions per place. [2021-04-28 16:41:03,471 INFO L132 encePairwiseOnDemand]: 409/412 looper letters, 6 selfloop transitions, 2 changer transitions 0/91 dead transitions. [2021-04-28 16:41:03,472 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 91 transitions, 429 flow [2021-04-28 16:41:03,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 16:41:03,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 16:41:03,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1020 transitions. [2021-04-28 16:41:03,476 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6189320388349514 [2021-04-28 16:41:03,476 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 1020 transitions. [2021-04-28 16:41:03,476 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 1020 transitions. [2021-04-28 16:41:03,477 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 16:41:03,477 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1020 transitions. [2021-04-28 16:41:03,481 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 255.0) internal successors, (1020), 4 states have internal predecessors, (1020), 0 states have call successors, (0), 0 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 16:41:03,485 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 412.0) internal successors, (2060), 5 states have internal predecessors, (2060), 0 states have call successors, (0), 0 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 16:41:03,486 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 412.0) internal successors, (2060), 5 states have internal predecessors, (2060), 0 states have call successors, (0), 0 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 16:41:03,487 INFO L185 Difference]: Start difference. First operand has 74 places, 89 transitions, 404 flow. Second operand 4 states and 1020 transitions. [2021-04-28 16:41:03,487 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 91 transitions, 429 flow [2021-04-28 16:41:03,541 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 91 transitions, 429 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-28 16:41:03,546 INFO L241 Difference]: Finished difference. Result has 79 places, 90 transitions, 419 flow [2021-04-28 16:41:03,546 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=412, PETRI_DIFFERENCE_MINUEND_FLOW=404, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=419, PETRI_PLACES=79, PETRI_TRANSITIONS=90} [2021-04-28 16:41:03,547 INFO L343 CegarLoopForPetriNet]: 156 programPoint places, -77 predicate places. [2021-04-28 16:41:03,547 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 16:41:03,547 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 90 transitions, 419 flow [2021-04-28 16:41:03,548 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 79 places, 90 transitions, 419 flow [2021-04-28 16:41:03,548 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 79 places, 90 transitions, 419 flow [2021-04-28 16:41:06,846 INFO L129 PetriNetUnfolder]: 34336/51793 cut-off events. [2021-04-28 16:41:06,846 INFO L130 PetriNetUnfolder]: For 13237/64829 co-relation queries the response was YES. [2021-04-28 16:41:07,095 INFO L84 FinitePrefix]: Finished finitePrefix Result has 148414 conditions, 51793 events. 34336/51793 cut-off events. For 13237/64829 co-relation queries the response was YES. Maximal size of possible extension queue 7873. Compared 492611 event pairs, 19813 based on Foata normal form. 11/15934 useless extension candidates. Maximal degree in co-relation 148397. Up to 48452 conditions per place. [2021-04-28 16:41:07,634 INFO L146 LiptonReduction]: Number of co-enabled transitions 2674 [2021-04-28 16:41:15,631 INFO L158 LiptonReduction]: Checked pairs total: 5680 [2021-04-28 16:41:15,632 INFO L160 LiptonReduction]: Total number of compositions: 1 [2021-04-28 16:41:15,632 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 12085 [2021-04-28 16:41:15,635 INFO L480 AbstractCegarLoop]: Abstraction has has 80 places, 91 transitions, 427 flow [2021-04-28 16:41:15,636 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 254.25) internal successors, (1017), 4 states have internal predecessors, (1017), 0 states have call successors, (0), 0 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 16:41:15,636 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 16:41:15,636 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 16:41:15,637 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-28 16:41:15,637 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 16:41:15,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 16:41:15,637 INFO L82 PathProgramCache]: Analyzing trace with hash 764916815, now seen corresponding path program 1 times [2021-04-28 16:41:15,638 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 16:41:15,638 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804834587] [2021-04-28 16:41:15,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 16:41:15,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 16:41:15,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 16:41:15,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 16:41:15,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 16:41:15,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 16:41:15,727 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 16:41:15,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 16:41:15,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 16:41:15,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 16:41:15,737 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 16:41:15,738 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804834587] [2021-04-28 16:41:15,738 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 16:41:15,738 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 16:41:15,738 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39641839] [2021-04-28 16:41:15,738 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 16:41:15,739 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 16:41:15,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 16:41:15,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 16:41:15,742 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 317 out of 413 [2021-04-28 16:41:15,744 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 91 transitions, 427 flow. Second operand has 5 states, 5 states have (on average 317.8) internal successors, (1589), 5 states have internal predecessors, (1589), 0 states have call successors, (0), 0 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 16:41:15,744 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 16:41:15,744 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 317 of 413 [2021-04-28 16:41:15,744 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 16:41:22,733 INFO L129 PetriNetUnfolder]: 44597/69988 cut-off events. [2021-04-28 16:41:22,734 INFO L130 PetriNetUnfolder]: For 23382/454620 co-relation queries the response was YES. [2021-04-28 16:41:22,990 INFO L84 FinitePrefix]: Finished finitePrefix Result has 268287 conditions, 69988 events. 44597/69988 cut-off events. For 23382/454620 co-relation queries the response was YES. Maximal size of possible extension queue 12639. Compared 685984 event pairs, 8999 based on Foata normal form. 1359/23797 useless extension candidates. Maximal degree in co-relation 268268. Up to 64862 conditions per place. [2021-04-28 16:41:23,215 INFO L132 encePairwiseOnDemand]: 393/413 looper letters, 35 selfloop transitions, 64 changer transitions 0/136 dead transitions. [2021-04-28 16:41:23,216 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 136 transitions, 874 flow [2021-04-28 16:41:23,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-28 16:41:23,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-28 16:41:23,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 2315 transitions. [2021-04-28 16:41:23,230 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8007609823590454 [2021-04-28 16:41:23,230 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 2315 transitions. [2021-04-28 16:41:23,230 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 2315 transitions. [2021-04-28 16:41:23,232 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 16:41:23,232 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 2315 transitions. [2021-04-28 16:41:23,238 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 330.7142857142857) internal successors, (2315), 7 states have internal predecessors, (2315), 0 states have call successors, (0), 0 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 16:41:23,245 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 413.0) internal successors, (3304), 8 states have internal predecessors, (3304), 0 states have call successors, (0), 0 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 16:41:23,247 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 413.0) internal successors, (3304), 8 states have internal predecessors, (3304), 0 states have call successors, (0), 0 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 16:41:23,247 INFO L185 Difference]: Start difference. First operand has 80 places, 91 transitions, 427 flow. Second operand 7 states and 2315 transitions. [2021-04-28 16:41:23,247 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 136 transitions, 874 flow [2021-04-28 16:41:23,496 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 136 transitions, 871 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 16:41:23,499 INFO L241 Difference]: Finished difference. Result has 88 places, 122 transitions, 866 flow [2021-04-28 16:41:23,500 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=413, PETRI_DIFFERENCE_MINUEND_FLOW=424, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=866, PETRI_PLACES=88, PETRI_TRANSITIONS=122} [2021-04-28 16:41:23,500 INFO L343 CegarLoopForPetriNet]: 156 programPoint places, -68 predicate places. [2021-04-28 16:41:23,500 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 16:41:23,500 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 88 places, 122 transitions, 866 flow [2021-04-28 16:41:23,501 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 88 places, 122 transitions, 866 flow [2021-04-28 16:41:23,502 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 88 places, 122 transitions, 866 flow [2021-04-28 16:41:30,060 INFO L129 PetriNetUnfolder]: 41192/65833 cut-off events. [2021-04-28 16:41:30,060 INFO L130 PetriNetUnfolder]: For 82970/493247 co-relation queries the response was YES. [2021-04-28 16:41:30,382 INFO L84 FinitePrefix]: Finished finitePrefix Result has 310630 conditions, 65833 events. 41192/65833 cut-off events. For 82970/493247 co-relation queries the response was YES. Maximal size of possible extension queue 11610. Compared 694344 event pairs, 8753 based on Foata normal form. 37/20347 useless extension candidates. Maximal degree in co-relation 310609. Up to 62258 conditions per place. [2021-04-28 16:41:31,302 INFO L146 LiptonReduction]: Number of co-enabled transitions 3890 [2021-04-28 16:41:34,867 INFO L158 LiptonReduction]: Checked pairs total: 6053 [2021-04-28 16:41:34,867 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 16:41:34,868 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 11368 [2021-04-28 16:41:34,869 INFO L480 AbstractCegarLoop]: Abstraction has has 88 places, 122 transitions, 866 flow [2021-04-28 16:41:34,870 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 317.8) internal successors, (1589), 5 states have internal predecessors, (1589), 0 states have call successors, (0), 0 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 16:41:34,870 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 16:41:34,870 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] [2021-04-28 16:41:34,871 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-04-28 16:41:34,871 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 16:41:34,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 16:41:34,872 INFO L82 PathProgramCache]: Analyzing trace with hash 1818462565, now seen corresponding path program 1 times [2021-04-28 16:41:34,872 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 16:41:34,872 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900374991] [2021-04-28 16:41:34,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 16:41:34,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 16:41:34,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 16:41:34,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 16:41:34,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 16:41:34,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 16:41:34,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 16:41:34,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 16:41:34,989 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 16:41:34,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 16:41:35,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 16:41:35,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 16:41:35,001 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 16:41:35,001 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1900374991] [2021-04-28 16:41:35,001 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 16:41:35,001 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-28 16:41:35,001 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326674535] [2021-04-28 16:41:35,002 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 16:41:35,002 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 16:41:35,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 16:41:35,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-04-28 16:41:35,005 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 317 out of 413 [2021-04-28 16:41:35,008 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 122 transitions, 866 flow. Second operand has 6 states, 6 states have (on average 317.8333333333333) internal successors, (1907), 6 states have internal predecessors, (1907), 0 states have call successors, (0), 0 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 16:41:35,008 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 16:41:35,008 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 317 of 413 [2021-04-28 16:41:35,008 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 16:41:43,049 INFO L129 PetriNetUnfolder]: 41762/69457 cut-off events. [2021-04-28 16:41:43,050 INFO L130 PetriNetUnfolder]: For 75495/1475883 co-relation queries the response was YES. [2021-04-28 16:41:43,368 INFO L84 FinitePrefix]: Finished finitePrefix Result has 393893 conditions, 69457 events. 41762/69457 cut-off events. For 75495/1475883 co-relation queries the response was YES. Maximal size of possible extension queue 12453. Compared 745824 event pairs, 1466 based on Foata normal form. 1452/23360 useless extension candidates. Maximal degree in co-relation 393870. Up to 65204 conditions per place. [2021-04-28 16:41:43,595 INFO L132 encePairwiseOnDemand]: 393/413 looper letters, 24 selfloop transitions, 95 changer transitions 12/168 dead transitions. [2021-04-28 16:41:43,595 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 168 transitions, 1538 flow [2021-04-28 16:41:43,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-28 16:41:43,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-28 16:41:43,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2979 transitions. [2021-04-28 16:41:43,603 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.801452784503632 [2021-04-28 16:41:43,603 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2979 transitions. [2021-04-28 16:41:43,603 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2979 transitions. [2021-04-28 16:41:43,606 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 16:41:43,606 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2979 transitions. [2021-04-28 16:41:43,614 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 331.0) internal successors, (2979), 9 states have internal predecessors, (2979), 0 states have call successors, (0), 0 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 16:41:43,623 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 413.0) internal successors, (4130), 10 states have internal predecessors, (4130), 0 states have call successors, (0), 0 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 16:41:43,625 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 413.0) internal successors, (4130), 10 states have internal predecessors, (4130), 0 states have call successors, (0), 0 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 16:41:43,626 INFO L185 Difference]: Start difference. First operand has 88 places, 122 transitions, 866 flow. Second operand 9 states and 2979 transitions. [2021-04-28 16:41:43,626 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 168 transitions, 1538 flow [2021-04-28 16:41:53,557 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 168 transitions, 1375 flow, removed 54 selfloop flow, removed 3 redundant places. [2021-04-28 16:41:53,562 INFO L241 Difference]: Finished difference. Result has 96 places, 153 transitions, 1294 flow [2021-04-28 16:41:53,562 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=413, PETRI_DIFFERENCE_MINUEND_FLOW=704, PETRI_DIFFERENCE_MINUEND_PLACES=85, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=122, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=76, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1294, PETRI_PLACES=96, PETRI_TRANSITIONS=153} [2021-04-28 16:41:53,563 INFO L343 CegarLoopForPetriNet]: 156 programPoint places, -60 predicate places. [2021-04-28 16:41:53,563 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 16:41:53,563 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 96 places, 153 transitions, 1294 flow [2021-04-28 16:41:53,563 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 96 places, 153 transitions, 1294 flow [2021-04-28 16:41:53,565 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 96 places, 153 transitions, 1294 flow [2021-04-28 16:41:59,372 INFO L129 PetriNetUnfolder]: 29675/53665 cut-off events. [2021-04-28 16:41:59,372 INFO L130 PetriNetUnfolder]: For 185700/429624 co-relation queries the response was YES. [2021-04-28 16:41:59,694 INFO L84 FinitePrefix]: Finished finitePrefix Result has 309595 conditions, 53665 events. 29675/53665 cut-off events. For 185700/429624 co-relation queries the response was YES. Maximal size of possible extension queue 11100. Compared 640676 event pairs, 1393 based on Foata normal form. 1/16296 useless extension candidates. Maximal degree in co-relation 309571. Up to 42805 conditions per place. [2021-04-28 16:42:00,445 INFO L146 LiptonReduction]: Number of co-enabled transitions 4518 [2021-04-28 16:42:26,779 INFO L158 LiptonReduction]: Checked pairs total: 9683 [2021-04-28 16:42:26,779 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 16:42:26,779 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 33216 [2021-04-28 16:42:26,781 INFO L480 AbstractCegarLoop]: Abstraction has has 96 places, 153 transitions, 1294 flow [2021-04-28 16:42:26,782 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 317.8333333333333) internal successors, (1907), 6 states have internal predecessors, (1907), 0 states have call successors, (0), 0 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 16:42:26,782 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 16:42:26,782 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 16:42:26,782 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-04-28 16:42:26,783 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 16:42:26,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 16:42:26,783 INFO L82 PathProgramCache]: Analyzing trace with hash 2040225911, now seen corresponding path program 1 times [2021-04-28 16:42:26,783 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 16:42:26,783 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219450671] [2021-04-28 16:42:26,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 16:42:26,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 16:42:26,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 16:42:26,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 16:42:26,916 INFO L142 QuantifierPusher]: treesize reduction 7, result has 65.0 percent of original size [2021-04-28 16:42:26,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 16:42:26,931 INFO L142 QuantifierPusher]: treesize reduction 13, result has 58.1 percent of original size [2021-04-28 16:42:26,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-28 16:42:26,967 INFO L142 QuantifierPusher]: treesize reduction 19, result has 75.3 percent of original size [2021-04-28 16:42:26,970 INFO L147 QuantifierPusher]: treesize reduction 9, result has 84.5 percent of original size 49 [2021-04-28 16:42:26,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 16:42:26,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-28 16:42:27,007 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 16:42:27,008 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219450671] [2021-04-28 16:42:27,008 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 16:42:27,008 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-28 16:42:27,008 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349641080] [2021-04-28 16:42:27,009 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-28 16:42:27,009 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 16:42:27,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-28 16:42:27,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-04-28 16:42:27,012 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 220 out of 413 [2021-04-28 16:42:27,023 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 153 transitions, 1294 flow. Second operand has 7 states, 7 states have (on average 221.14285714285714) internal successors, (1548), 7 states have internal predecessors, (1548), 0 states have call successors, (0), 0 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 16:42:27,023 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 16:42:27,024 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 220 of 413 [2021-04-28 16:42:27,024 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 16:42:57,190 INFO L129 PetriNetUnfolder]: 109279/201886 cut-off events. [2021-04-28 16:42:57,191 INFO L130 PetriNetUnfolder]: For 1754574/7757567 co-relation queries the response was YES. [2021-04-28 16:42:58,646 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1147618 conditions, 201886 events. 109279/201886 cut-off events. For 1754574/7757567 co-relation queries the response was YES. Maximal size of possible extension queue 39088. Compared 2756863 event pairs, 4236 based on Foata normal form. 528/57642 useless extension candidates. Maximal degree in co-relation 1147592. Up to 158410 conditions per place. [2021-04-28 16:42:59,261 INFO L132 encePairwiseOnDemand]: 404/413 looper letters, 14 selfloop transitions, 15 changer transitions 1/174 dead transitions. [2021-04-28 16:42:59,261 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 174 transitions, 1464 flow [2021-04-28 16:42:59,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-28 16:42:59,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-28 16:42:59,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1571 transitions. [2021-04-28 16:42:59,268 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5434105845728122 [2021-04-28 16:42:59,268 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1571 transitions. [2021-04-28 16:42:59,268 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1571 transitions. [2021-04-28 16:42:59,269 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 16:42:59,269 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1571 transitions. [2021-04-28 16:42:59,274 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 224.42857142857142) internal successors, (1571), 7 states have internal predecessors, (1571), 0 states have call successors, (0), 0 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 16:42:59,280 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 413.0) internal successors, (3304), 8 states have internal predecessors, (3304), 0 states have call successors, (0), 0 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 16:42:59,281 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 413.0) internal successors, (3304), 8 states have internal predecessors, (3304), 0 states have call successors, (0), 0 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 16:42:59,281 INFO L185 Difference]: Start difference. First operand has 96 places, 153 transitions, 1294 flow. Second operand 7 states and 1571 transitions. [2021-04-28 16:42:59,281 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 174 transitions, 1464 flow Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown