/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/mix039_rmo.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-28 20:34:41,286 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-28 20:34:41,291 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-28 20:34:41,336 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-28 20:34:41,337 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-28 20:34:41,338 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-28 20:34:41,340 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-28 20:34:41,342 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-28 20:34:41,345 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-28 20:34:41,346 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-28 20:34:41,347 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-28 20:34:41,349 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-28 20:34:41,349 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-28 20:34:41,351 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-28 20:34:41,352 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-28 20:34:41,354 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-28 20:34:41,355 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-28 20:34:41,356 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-28 20:34:41,358 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-28 20:34:41,360 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-28 20:34:41,363 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-28 20:34:41,364 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-28 20:34:41,366 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-28 20:34:41,367 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-28 20:34:41,371 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-04-28 20:34:41,381 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-28 20:34:41,383 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-28 20:34:41,384 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-28 20:34:41,386 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 20:34:41,413 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-28 20:34:41,414 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-28 20:34:41,415 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-28 20:34:41,415 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-28 20:34:41,416 INFO L138 SettingsManager]: * Use SBE=true [2021-04-28 20:34:41,416 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-28 20:34:41,416 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-28 20:34:41,417 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-28 20:34:41,417 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-28 20:34:41,417 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-28 20:34:41,418 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-28 20:34:41,418 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-28 20:34:41,418 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-28 20:34:41,418 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-28 20:34:41,419 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-28 20:34:41,419 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-28 20:34:41,419 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-28 20:34:41,420 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-28 20:34:41,420 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-28 20:34:41,420 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-28 20:34:41,420 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-28 20:34:41,421 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 20:34:41,421 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-28 20:34:41,421 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-28 20:34:41,421 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-28 20:34:41,422 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-28 20:34:41,422 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-28 20:34:41,422 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-28 20:34:41,422 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-28 20:34:41,423 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-28 20:34:41,423 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-28 20:34:41,886 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-28 20:34:41,913 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-28 20:34:41,916 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-28 20:34:41,918 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-28 20:34:41,919 INFO L275 PluginConnector]: CDTParser initialized [2021-04-28 20:34:41,920 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix039_rmo.opt.i [2021-04-28 20:34:42,003 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d50b6e409/46e3d8b30ded42b2ad900c6fb55e1aff/FLAG744657a41 [2021-04-28 20:34:42,813 INFO L306 CDTParser]: Found 1 translation units. [2021-04-28 20:34:42,813 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix039_rmo.opt.i [2021-04-28 20:34:42,833 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d50b6e409/46e3d8b30ded42b2ad900c6fb55e1aff/FLAG744657a41 [2021-04-28 20:34:43,057 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d50b6e409/46e3d8b30ded42b2ad900c6fb55e1aff [2021-04-28 20:34:43,060 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-28 20:34:43,112 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-28 20:34:43,114 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-28 20:34:43,114 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-28 20:34:43,118 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-28 20:34:43,119 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 08:34:43" (1/1) ... [2021-04-28 20:34:43,120 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10315300 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:34:43, skipping insertion in model container [2021-04-28 20:34:43,120 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 08:34:43" (1/1) ... [2021-04-28 20:34:43,128 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-28 20:34:43,178 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-28 20:34:43,407 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/mix039_rmo.opt.i[948,961] [2021-04-28 20:34:43,640 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 20:34:43,654 INFO L203 MainTranslator]: Completed pre-run [2021-04-28 20:34:43,680 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/mix039_rmo.opt.i[948,961] [2021-04-28 20:34:43,796 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 20:34:43,976 INFO L208 MainTranslator]: Completed translation [2021-04-28 20:34:43,981 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:34:43 WrapperNode [2021-04-28 20:34:43,983 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-28 20:34:43,985 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-28 20:34:43,989 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-28 20:34:43,989 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-28 20:34:44,001 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:34:43" (1/1) ... [2021-04-28 20:34:44,049 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:34:43" (1/1) ... [2021-04-28 20:34:44,105 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-28 20:34:44,106 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-28 20:34:44,106 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-28 20:34:44,106 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-28 20:34:44,116 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:34:43" (1/1) ... [2021-04-28 20:34:44,117 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:34:43" (1/1) ... [2021-04-28 20:34:44,137 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:34:43" (1/1) ... [2021-04-28 20:34:44,137 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:34:43" (1/1) ... [2021-04-28 20:34:44,160 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:34:43" (1/1) ... [2021-04-28 20:34:44,168 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:34:43" (1/1) ... [2021-04-28 20:34:44,175 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:34:43" (1/1) ... [2021-04-28 20:34:44,187 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-28 20:34:44,194 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-28 20:34:44,194 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-28 20:34:44,194 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-28 20:34:44,195 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:34:43" (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 20:34:44,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-28 20:34:44,306 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-04-28 20:34:44,306 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-28 20:34:44,306 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-28 20:34:44,306 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-04-28 20:34:44,306 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-04-28 20:34:44,306 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-04-28 20:34:44,307 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-04-28 20:34:44,307 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-04-28 20:34:44,307 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-04-28 20:34:44,307 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-04-28 20:34:44,307 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-04-28 20:34:44,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-28 20:34:44,308 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-04-28 20:34:44,308 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-28 20:34:44,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-28 20:34:44,310 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 20:34:46,236 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-28 20:34:46,237 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-04-28 20:34:46,239 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 08:34:46 BoogieIcfgContainer [2021-04-28 20:34:46,239 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-28 20:34:46,241 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-28 20:34:46,241 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-28 20:34:46,245 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-28 20:34:46,245 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.04 08:34:43" (1/3) ... [2021-04-28 20:34:46,246 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c05b70e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 08:34:46, skipping insertion in model container [2021-04-28 20:34:46,246 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:34:43" (2/3) ... [2021-04-28 20:34:46,247 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c05b70e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 08:34:46, skipping insertion in model container [2021-04-28 20:34:46,247 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 08:34:46" (3/3) ... [2021-04-28 20:34:46,249 INFO L111 eAbstractionObserver]: Analyzing ICFG mix039_rmo.opt.i [2021-04-28 20:34:46,257 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-28 20:34:46,262 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-04-28 20:34:46,263 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-28 20:34:46,304 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,305 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,305 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,305 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,306 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,306 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,306 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,306 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,307 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,307 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,307 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,307 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,308 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,308 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,308 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,308 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,308 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,309 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,309 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,309 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,309 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,310 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,310 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,310 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,311 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,311 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,311 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,311 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,311 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,312 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,312 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,312 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,312 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,312 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,313 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,313 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,313 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,313 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,313 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,314 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,314 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,314 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,314 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,314 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,314 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,315 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,315 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,315 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,315 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,315 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,316 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,316 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,316 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,316 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,316 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,316 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,317 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,317 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,317 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,317 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,317 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,318 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,318 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,318 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,318 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,318 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,318 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,319 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,319 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,319 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,321 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,321 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,322 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,322 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,322 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,322 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,322 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,323 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,323 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,323 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,323 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,323 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,324 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,324 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,324 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,324 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,324 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,325 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,325 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,325 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,325 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,325 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,326 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,326 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,326 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,326 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,326 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,326 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,327 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,327 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,327 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,327 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,327 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,328 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,328 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,328 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,328 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,328 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,331 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,331 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,331 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,332 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,332 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,332 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,333 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,333 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,333 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,333 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,333 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,334 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,334 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,334 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,334 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,335 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,335 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,335 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,335 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,335 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,336 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,336 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,336 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,337 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,337 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,337 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,337 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,338 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,338 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,338 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,338 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,339 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,339 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,339 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,340 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,340 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,340 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,340 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,343 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,343 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,343 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,343 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,344 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,344 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,344 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,344 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,344 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,345 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,345 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,345 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,348 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,348 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,349 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,349 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,352 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,353 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,353 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,353 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,356 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,357 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,357 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,357 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,357 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,357 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,358 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,358 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,358 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,358 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,358 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,359 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,359 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,359 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,359 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,359 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,360 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,360 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,360 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,360 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,360 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,361 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,361 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,361 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,361 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,361 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,362 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:34:46,363 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-28 20:34:46,390 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-04-28 20:34:46,419 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-28 20:34:46,419 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-28 20:34:46,419 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-28 20:34:46,419 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-28 20:34:46,419 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-28 20:34:46,419 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-28 20:34:46,420 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-28 20:34:46,420 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-28 20:34:46,436 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 128 places, 117 transitions, 254 flow [2021-04-28 20:34:46,495 INFO L129 PetriNetUnfolder]: 2/113 cut-off events. [2021-04-28 20:34:46,495 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 20:34:46,501 INFO L84 FinitePrefix]: Finished finitePrefix Result has 126 conditions, 113 events. 2/113 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 76 event pairs, 0 based on Foata normal form. 0/109 useless extension candidates. Maximal degree in co-relation 75. Up to 2 conditions per place. [2021-04-28 20:34:46,501 INFO L82 GeneralOperation]: Start removeDead. Operand has 128 places, 117 transitions, 254 flow [2021-04-28 20:34:46,511 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 124 places, 113 transitions, 238 flow [2021-04-28 20:34:46,513 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:34:46,531 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 124 places, 113 transitions, 238 flow [2021-04-28 20:34:46,535 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 124 places, 113 transitions, 238 flow [2021-04-28 20:34:46,539 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 124 places, 113 transitions, 238 flow [2021-04-28 20:34:46,573 INFO L129 PetriNetUnfolder]: 2/113 cut-off events. [2021-04-28 20:34:46,573 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 20:34:46,574 INFO L84 FinitePrefix]: Finished finitePrefix Result has 126 conditions, 113 events. 2/113 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 85 event pairs, 0 based on Foata normal form. 0/109 useless extension candidates. Maximal degree in co-relation 75. Up to 2 conditions per place. [2021-04-28 20:34:46,583 INFO L146 LiptonReduction]: Number of co-enabled transitions 2488 [2021-04-28 20:34:50,033 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-04-28 20:34:50,151 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 20:34:50,735 WARN L205 SmtUtils]: Spent 580.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 83 [2021-04-28 20:34:50,938 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 20:34:59,261 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 20:35:09,124 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 20:35:09,838 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 20:35:09,947 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 20:35:10,055 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 20:35:10,165 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 20:35:10,469 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-04-28 20:35:10,598 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-04-28 20:35:10,728 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-04-28 20:35:10,858 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-04-28 20:35:11,566 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-28 20:35:12,285 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-04-28 20:35:12,413 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-04-28 20:35:12,535 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-04-28 20:35:12,655 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-04-28 20:35:14,354 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 20:35:15,589 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 20:35:15,722 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 20:35:15,857 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 20:35:15,991 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 20:35:16,116 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 20:35:16,237 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 20:35:16,361 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 20:35:16,485 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 20:35:16,931 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 20:35:17,083 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 20:35:17,267 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 20:35:17,413 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 20:35:17,575 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 20:35:17,734 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 20:35:17,888 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 20:35:18,042 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 20:35:18,162 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 20:35:18,281 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 20:35:18,399 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 20:35:18,520 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 20:35:18,665 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 20:35:18,809 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 20:35:18,948 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 20:35:19,086 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 20:35:19,217 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 20:35:19,346 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 20:35:19,475 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 20:35:19,600 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 20:35:19,714 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 20:35:19,830 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 20:35:19,946 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 20:35:20,062 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 20:35:20,196 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 20:35:20,357 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 20:35:20,486 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 20:35:20,621 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 20:35:20,781 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 20:35:20,934 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 20:35:21,090 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 20:35:21,251 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 20:35:21,573 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 20:35:21,683 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 20:35:22,715 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 20:35:22,825 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 20:35:22,936 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 20:35:23,047 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 20:35:23,155 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 20:35:23,549 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 20:35:23,671 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 20:35:23,792 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 20:35:23,915 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 20:35:24,441 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-04-28 20:35:24,606 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-04-28 20:35:24,769 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-04-28 20:35:24,931 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-04-28 20:35:25,041 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 20:35:25,151 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 20:35:25,262 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 20:35:25,372 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 20:35:25,478 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 20:35:26,272 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-28 20:35:26,428 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-28 20:35:26,568 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-28 20:35:26,709 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-28 20:35:26,843 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 20:35:26,979 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 20:35:27,128 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 20:35:27,273 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 20:35:27,449 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 20:35:27,621 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 20:35:27,796 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 20:35:27,970 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 20:35:28,393 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 20:35:28,508 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 20:35:28,625 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 20:35:28,742 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 20:35:28,872 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 20:35:29,002 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 20:35:29,136 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 20:35:29,269 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 20:35:29,435 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 20:35:29,607 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 20:35:29,771 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 20:35:29,938 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 20:35:30,192 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:35:30,417 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:35:30,641 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:35:30,864 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:35:31,064 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 20:35:31,256 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 20:35:31,455 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 20:35:31,657 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 20:35:31,874 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 20:35:32,092 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 20:35:32,315 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 20:35:32,541 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 20:35:32,723 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 20:35:32,910 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 20:35:33,099 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 20:35:33,288 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 20:35:33,502 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 20:35:33,717 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 20:35:33,925 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 20:35:34,132 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 20:35:34,708 WARN L205 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 126 [2021-04-28 20:35:34,989 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2021-04-28 20:35:35,554 WARN L205 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 126 [2021-04-28 20:35:35,817 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2021-04-28 20:35:36,038 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:35:36,256 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:35:36,466 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:35:36,688 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:35:36,878 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 20:35:37,082 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 20:35:37,280 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 20:35:37,475 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 20:35:38,027 WARN L205 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 121 [2021-04-28 20:35:38,285 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2021-04-28 20:35:38,809 WARN L205 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 121 [2021-04-28 20:35:39,059 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2021-04-28 20:35:39,557 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:35:39,780 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:35:40,010 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:35:40,224 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:35:40,436 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:35:40,664 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:35:40,892 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:35:41,115 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:35:41,223 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 20:35:41,333 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 20:35:41,443 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 20:35:41,556 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 20:35:41,751 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 20:35:41,951 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 20:35:42,151 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 20:35:42,350 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 20:35:42,404 INFO L158 LiptonReduction]: Checked pairs total: 26781 [2021-04-28 20:35:42,404 INFO L160 LiptonReduction]: Total number of compositions: 311 [2021-04-28 20:35:42,411 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 55899 [2021-04-28 20:35:42,439 INFO L129 PetriNetUnfolder]: 1/99 cut-off events. [2021-04-28 20:35:42,439 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 20:35:42,439 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:35:42,440 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:35:42,440 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:35:42,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:35:42,447 INFO L82 PathProgramCache]: Analyzing trace with hash 666831269, now seen corresponding path program 1 times [2021-04-28 20:35:42,457 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:35:42,457 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486770072] [2021-04-28 20:35:42,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:35:42,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:35:42,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:35:42,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 20:35:42,814 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 20:35:42,815 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486770072] [2021-04-28 20:35:42,816 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:35:42,816 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 20:35:42,817 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602790458] [2021-04-28 20:35:42,828 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 20:35:42,829 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:35:42,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 20:35:42,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 20:35:42,850 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 350 out of 428 [2021-04-28 20:35:42,856 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 157 places, 145 transitions, 302 flow. Second operand has 3 states, 3 states have (on average 350.6666666666667) internal successors, (1052), 3 states have internal predecessors, (1052), 0 states have call successors, (0), 0 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 20:35:42,857 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:35:42,857 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 350 of 428 [2021-04-28 20:35:42,858 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:35:42,973 INFO L129 PetriNetUnfolder]: 17/189 cut-off events. [2021-04-28 20:35:42,973 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 20:35:42,974 INFO L84 FinitePrefix]: Finished finitePrefix Result has 249 conditions, 189 events. 17/189 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 1150 event pairs, 1 based on Foata normal form. 19/78 useless extension candidates. Maximal degree in co-relation 168. Up to 33 conditions per place. [2021-04-28 20:35:42,977 INFO L132 encePairwiseOnDemand]: 412/428 looper letters, 5 selfloop transitions, 4 changer transitions 67/143 dead transitions. [2021-04-28 20:35:42,977 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 156 places, 143 transitions, 334 flow [2021-04-28 20:35:42,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 20:35:42,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 20:35:42,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1074 transitions. [2021-04-28 20:35:43,000 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8364485981308412 [2021-04-28 20:35:43,001 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1074 transitions. [2021-04-28 20:35:43,002 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1074 transitions. [2021-04-28 20:35:43,006 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:35:43,009 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1074 transitions. [2021-04-28 20:35:43,016 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 358.0) internal successors, (1074), 3 states have internal predecessors, (1074), 0 states have call successors, (0), 0 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 20:35:43,028 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 428.0) internal successors, (1712), 4 states have internal predecessors, (1712), 0 states have call successors, (0), 0 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 20:35:43,030 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 428.0) internal successors, (1712), 4 states have internal predecessors, (1712), 0 states have call successors, (0), 0 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 20:35:43,033 INFO L185 Difference]: Start difference. First operand has 157 places, 145 transitions, 302 flow. Second operand 3 states and 1074 transitions. [2021-04-28 20:35:43,034 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 156 places, 143 transitions, 334 flow [2021-04-28 20:35:43,040 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 152 places, 143 transitions, 330 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-04-28 20:35:43,044 INFO L241 Difference]: Finished difference. Result has 152 places, 74 transitions, 164 flow [2021-04-28 20:35:43,047 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=428, PETRI_DIFFERENCE_MINUEND_FLOW=290, PETRI_DIFFERENCE_MINUEND_PLACES=150, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=141, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=137, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=164, PETRI_PLACES=152, PETRI_TRANSITIONS=74} [2021-04-28 20:35:43,048 INFO L343 CegarLoopForPetriNet]: 157 programPoint places, -5 predicate places. [2021-04-28 20:35:43,048 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:35:43,048 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 152 places, 74 transitions, 164 flow [2021-04-28 20:35:43,049 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 152 places, 74 transitions, 164 flow [2021-04-28 20:35:43,050 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 85 places, 74 transitions, 164 flow [2021-04-28 20:35:43,061 INFO L129 PetriNetUnfolder]: 0/74 cut-off events. [2021-04-28 20:35:43,062 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 20:35:43,062 INFO L84 FinitePrefix]: Finished finitePrefix Result has 88 conditions, 74 events. 0/74 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 349 event pairs, 0 based on Foata normal form. 0/26 useless extension candidates. Maximal degree in co-relation 0. Up to 4 conditions per place. [2021-04-28 20:35:43,064 INFO L146 LiptonReduction]: Number of co-enabled transitions 2848 [2021-04-28 20:35:43,790 INFO L158 LiptonReduction]: Checked pairs total: 3664 [2021-04-28 20:35:43,790 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:35:43,790 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 742 [2021-04-28 20:35:43,792 INFO L480 AbstractCegarLoop]: Abstraction has has 85 places, 74 transitions, 164 flow [2021-04-28 20:35:43,794 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 350.6666666666667) internal successors, (1052), 3 states have internal predecessors, (1052), 0 states have call successors, (0), 0 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 20:35:43,794 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:35:43,794 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:35:43,794 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-28 20:35:43,795 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:35:43,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:35:43,795 INFO L82 PathProgramCache]: Analyzing trace with hash 874845689, now seen corresponding path program 1 times [2021-04-28 20:35:43,795 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:35:43,796 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618634086] [2021-04-28 20:35:43,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:35:43,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:35:43,908 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-04-28 20:35:43,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-28 20:35:43,920 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 20:35:43,920 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618634086] [2021-04-28 20:35:43,920 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:35:43,921 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 20:35:43,921 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930038642] [2021-04-28 20:35:43,922 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 20:35:43,922 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:35:43,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 20:35:43,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 20:35:43,926 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 244 out of 428 [2021-04-28 20:35:43,927 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 85 places, 74 transitions, 164 flow. Second operand has 3 states, 3 states have (on average 244.66666666666666) internal successors, (734), 3 states have internal predecessors, (734), 0 states have call successors, (0), 0 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 20:35:43,928 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:35:43,928 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 244 of 428 [2021-04-28 20:35:43,928 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:35:45,420 INFO L129 PetriNetUnfolder]: 3488/8450 cut-off events. [2021-04-28 20:35:45,420 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 20:35:45,471 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13669 conditions, 8450 events. 3488/8450 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 1364. Compared 96765 event pairs, 1132 based on Foata normal form. 0/5175 useless extension candidates. Maximal degree in co-relation 13660. Up to 3533 conditions per place. [2021-04-28 20:35:45,489 INFO L132 encePairwiseOnDemand]: 404/428 looper letters, 7 selfloop transitions, 7 changer transitions 50/104 dead transitions. [2021-04-28 20:35:45,490 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 104 transitions, 352 flow [2021-04-28 20:35:45,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 20:35:45,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 20:35:45,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 795 transitions. [2021-04-28 20:35:45,494 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6191588785046729 [2021-04-28 20:35:45,495 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 795 transitions. [2021-04-28 20:35:45,495 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 795 transitions. [2021-04-28 20:35:45,496 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:35:45,496 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 795 transitions. [2021-04-28 20:35:45,498 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 265.0) internal successors, (795), 3 states have internal predecessors, (795), 0 states have call successors, (0), 0 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 20:35:45,502 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 428.0) internal successors, (1712), 4 states have internal predecessors, (1712), 0 states have call successors, (0), 0 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 20:35:45,504 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 428.0) internal successors, (1712), 4 states have internal predecessors, (1712), 0 states have call successors, (0), 0 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 20:35:45,504 INFO L185 Difference]: Start difference. First operand has 85 places, 74 transitions, 164 flow. Second operand 3 states and 795 transitions. [2021-04-28 20:35:45,504 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 104 transitions, 352 flow [2021-04-28 20:35:45,507 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 104 transitions, 344 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 20:35:45,509 INFO L241 Difference]: Finished difference. Result has 87 places, 54 transitions, 158 flow [2021-04-28 20:35:45,509 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=428, PETRI_DIFFERENCE_MINUEND_FLOW=156, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=158, PETRI_PLACES=87, PETRI_TRANSITIONS=54} [2021-04-28 20:35:45,510 INFO L343 CegarLoopForPetriNet]: 157 programPoint places, -70 predicate places. [2021-04-28 20:35:45,510 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:35:45,510 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 87 places, 54 transitions, 158 flow [2021-04-28 20:35:45,512 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 87 places, 54 transitions, 158 flow [2021-04-28 20:35:45,513 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 61 places, 54 transitions, 158 flow [2021-04-28 20:35:45,606 INFO L129 PetriNetUnfolder]: 152/562 cut-off events. [2021-04-28 20:35:45,606 INFO L130 PetriNetUnfolder]: For 40/48 co-relation queries the response was YES. [2021-04-28 20:35:45,609 INFO L84 FinitePrefix]: Finished finitePrefix Result has 930 conditions, 562 events. 152/562 cut-off events. For 40/48 co-relation queries the response was YES. Maximal size of possible extension queue 83. Compared 4308 event pairs, 68 based on Foata normal form. 0/364 useless extension candidates. Maximal degree in co-relation 921. Up to 221 conditions per place. [2021-04-28 20:35:45,623 INFO L146 LiptonReduction]: Number of co-enabled transitions 1674 [2021-04-28 20:35:45,865 INFO L158 LiptonReduction]: Checked pairs total: 540 [2021-04-28 20:35:45,865 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:35:45,865 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 355 [2021-04-28 20:35:45,867 INFO L480 AbstractCegarLoop]: Abstraction has has 61 places, 54 transitions, 158 flow [2021-04-28 20:35:45,868 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 244.66666666666666) internal successors, (734), 3 states have internal predecessors, (734), 0 states have call successors, (0), 0 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 20:35:45,868 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:35:45,868 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:35:45,868 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-28 20:35:45,906 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:35:45,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:35:45,908 INFO L82 PathProgramCache]: Analyzing trace with hash 1350410472, now seen corresponding path program 1 times [2021-04-28 20:35:45,908 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:35:45,908 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148633167] [2021-04-28 20:35:45,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:35:45,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:35:45,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:35:45,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:35:45,991 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 20:35:45,992 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [148633167] [2021-04-28 20:35:45,992 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:35:45,994 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 20:35:45,995 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789022015] [2021-04-28 20:35:45,995 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 20:35:45,995 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:35:45,996 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 20:35:45,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 20:35:45,998 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 296 out of 428 [2021-04-28 20:35:45,999 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 54 transitions, 158 flow. Second operand has 3 states, 3 states have (on average 296.6666666666667) internal successors, (890), 3 states have internal predecessors, (890), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:35:46,000 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:35:46,000 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 296 of 428 [2021-04-28 20:35:46,000 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:35:46,069 INFO L129 PetriNetUnfolder]: 122/402 cut-off events. [2021-04-28 20:35:46,070 INFO L130 PetriNetUnfolder]: For 95/103 co-relation queries the response was YES. [2021-04-28 20:35:46,073 INFO L84 FinitePrefix]: Finished finitePrefix Result has 753 conditions, 402 events. 122/402 cut-off events. For 95/103 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 2583 event pairs, 48 based on Foata normal form. 3/279 useless extension candidates. Maximal degree in co-relation 742. Up to 181 conditions per place. [2021-04-28 20:35:46,076 INFO L132 encePairwiseOnDemand]: 425/428 looper letters, 1 selfloop transitions, 3 changer transitions 0/54 dead transitions. [2021-04-28 20:35:46,077 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 54 transitions, 166 flow [2021-04-28 20:35:46,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 20:35:46,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 20:35:46,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 892 transitions. [2021-04-28 20:35:46,081 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6947040498442367 [2021-04-28 20:35:46,081 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 892 transitions. [2021-04-28 20:35:46,081 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 892 transitions. [2021-04-28 20:35:46,082 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:35:46,082 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 892 transitions. [2021-04-28 20:35:46,085 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 297.3333333333333) internal successors, (892), 3 states have internal predecessors, (892), 0 states have call successors, (0), 0 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 20:35:46,089 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 428.0) internal successors, (1712), 4 states have internal predecessors, (1712), 0 states have call successors, (0), 0 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 20:35:46,091 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 428.0) internal successors, (1712), 4 states have internal predecessors, (1712), 0 states have call successors, (0), 0 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 20:35:46,091 INFO L185 Difference]: Start difference. First operand has 61 places, 54 transitions, 158 flow. Second operand 3 states and 892 transitions. [2021-04-28 20:35:46,091 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 54 transitions, 166 flow [2021-04-28 20:35:46,094 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 54 transitions, 152 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 20:35:46,096 INFO L241 Difference]: Finished difference. Result has 62 places, 54 transitions, 155 flow [2021-04-28 20:35:46,096 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=428, PETRI_DIFFERENCE_MINUEND_FLOW=144, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=54, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=155, PETRI_PLACES=62, PETRI_TRANSITIONS=54} [2021-04-28 20:35:46,096 INFO L343 CegarLoopForPetriNet]: 157 programPoint places, -95 predicate places. [2021-04-28 20:35:46,096 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:35:46,096 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 62 places, 54 transitions, 155 flow [2021-04-28 20:35:46,097 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 62 places, 54 transitions, 155 flow [2021-04-28 20:35:46,097 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 62 places, 54 transitions, 155 flow [2021-04-28 20:35:46,160 INFO L129 PetriNetUnfolder]: 122/444 cut-off events. [2021-04-28 20:35:46,160 INFO L130 PetriNetUnfolder]: For 39/39 co-relation queries the response was YES. [2021-04-28 20:35:46,162 INFO L84 FinitePrefix]: Finished finitePrefix Result has 726 conditions, 444 events. 122/444 cut-off events. For 39/39 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 3089 event pairs, 64 based on Foata normal form. 0/294 useless extension candidates. Maximal degree in co-relation 716. Up to 181 conditions per place. [2021-04-28 20:35:46,172 INFO L146 LiptonReduction]: Number of co-enabled transitions 1666 [2021-04-28 20:35:46,176 INFO L158 LiptonReduction]: Checked pairs total: 538 [2021-04-28 20:35:46,176 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:35:46,176 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 80 [2021-04-28 20:35:46,178 INFO L480 AbstractCegarLoop]: Abstraction has has 62 places, 54 transitions, 155 flow [2021-04-28 20:35:46,179 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 296.6666666666667) internal successors, (890), 3 states have internal predecessors, (890), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:35:46,179 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:35:46,179 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:35:46,179 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-28 20:35:46,179 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:35:46,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:35:46,180 INFO L82 PathProgramCache]: Analyzing trace with hash -1180298538, now seen corresponding path program 1 times [2021-04-28 20:35:46,180 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:35:46,180 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283218480] [2021-04-28 20:35:46,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:35:46,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:35:46,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:35:46,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:35:46,258 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-04-28 20:35:46,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-28 20:35:46,282 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 20:35:46,282 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283218480] [2021-04-28 20:35:46,283 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:35:46,283 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 20:35:46,283 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864986042] [2021-04-28 20:35:46,283 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 20:35:46,283 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:35:46,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 20:35:46,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-28 20:35:46,290 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 244 out of 428 [2021-04-28 20:35:46,294 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 54 transitions, 155 flow. Second operand has 4 states, 4 states have (on average 244.75) internal successors, (979), 4 states have internal predecessors, (979), 0 states have call successors, (0), 0 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 20:35:46,294 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:35:46,295 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 244 of 428 [2021-04-28 20:35:46,295 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:35:46,396 INFO L129 PetriNetUnfolder]: 106/350 cut-off events. [2021-04-28 20:35:46,396 INFO L130 PetriNetUnfolder]: For 72/166 co-relation queries the response was YES. [2021-04-28 20:35:46,398 INFO L84 FinitePrefix]: Finished finitePrefix Result has 792 conditions, 350 events. 106/350 cut-off events. For 72/166 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 2102 event pairs, 8 based on Foata normal form. 6/248 useless extension candidates. Maximal degree in co-relation 780. Up to 161 conditions per place. [2021-04-28 20:35:46,401 INFO L132 encePairwiseOnDemand]: 420/428 looper letters, 11 selfloop transitions, 11 changer transitions 0/62 dead transitions. [2021-04-28 20:35:46,401 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 62 transitions, 237 flow [2021-04-28 20:35:46,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 20:35:46,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 20:35:46,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 995 transitions. [2021-04-28 20:35:46,405 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5811915887850467 [2021-04-28 20:35:46,406 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 995 transitions. [2021-04-28 20:35:46,406 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 995 transitions. [2021-04-28 20:35:46,407 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:35:46,407 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 995 transitions. [2021-04-28 20:35:46,410 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 248.75) internal successors, (995), 4 states have internal predecessors, (995), 0 states have call successors, (0), 0 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 20:35:46,415 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 428.0) internal successors, (2140), 5 states have internal predecessors, (2140), 0 states have call successors, (0), 0 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 20:35:46,417 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 428.0) internal successors, (2140), 5 states have internal predecessors, (2140), 0 states have call successors, (0), 0 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 20:35:46,417 INFO L185 Difference]: Start difference. First operand has 62 places, 54 transitions, 155 flow. Second operand 4 states and 995 transitions. [2021-04-28 20:35:46,417 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 62 transitions, 237 flow [2021-04-28 20:35:46,419 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 62 transitions, 227 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 20:35:46,421 INFO L241 Difference]: Finished difference. Result has 65 places, 59 transitions, 213 flow [2021-04-28 20:35:46,421 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=428, PETRI_DIFFERENCE_MINUEND_FLOW=149, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=54, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=213, PETRI_PLACES=65, PETRI_TRANSITIONS=59} [2021-04-28 20:35:46,421 INFO L343 CegarLoopForPetriNet]: 157 programPoint places, -92 predicate places. [2021-04-28 20:35:46,422 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:35:46,422 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 65 places, 59 transitions, 213 flow [2021-04-28 20:35:46,422 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 65 places, 59 transitions, 213 flow [2021-04-28 20:35:46,423 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 65 places, 59 transitions, 213 flow [2021-04-28 20:35:46,479 INFO L129 PetriNetUnfolder]: 106/434 cut-off events. [2021-04-28 20:35:46,479 INFO L130 PetriNetUnfolder]: For 137/154 co-relation queries the response was YES. [2021-04-28 20:35:46,482 INFO L84 FinitePrefix]: Finished finitePrefix Result has 838 conditions, 434 events. 106/434 cut-off events. For 137/154 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 3069 event pairs, 52 based on Foata normal form. 0/282 useless extension candidates. Maximal degree in co-relation 826. Up to 161 conditions per place. [2021-04-28 20:35:46,490 INFO L146 LiptonReduction]: Number of co-enabled transitions 1876 [2021-04-28 20:35:46,495 INFO L158 LiptonReduction]: Checked pairs total: 708 [2021-04-28 20:35:46,495 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:35:46,495 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 73 [2021-04-28 20:35:46,499 INFO L480 AbstractCegarLoop]: Abstraction has has 65 places, 59 transitions, 213 flow [2021-04-28 20:35:46,500 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 244.75) internal successors, (979), 4 states have internal predecessors, (979), 0 states have call successors, (0), 0 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 20:35:46,501 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:35:46,501 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:35:46,501 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-28 20:35:46,501 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:35:46,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:35:46,502 INFO L82 PathProgramCache]: Analyzing trace with hash 2063154565, now seen corresponding path program 1 times [2021-04-28 20:35:46,502 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:35:46,502 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021500520] [2021-04-28 20:35:46,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:35:46,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:35:46,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:35:46,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:35:46,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:35:46,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 20:35:46,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:35:46,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 20:35:46,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 20:35:46,654 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021500520] [2021-04-28 20:35:46,655 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:35:46,655 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 20:35:46,658 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938896707] [2021-04-28 20:35:46,658 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 20:35:46,658 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:35:46,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 20:35:46,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 20:35:46,662 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 329 out of 428 [2021-04-28 20:35:46,664 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 59 transitions, 213 flow. Second operand has 4 states, 4 states have (on average 329.75) internal successors, (1319), 4 states have internal predecessors, (1319), 0 states have call successors, (0), 0 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 20:35:46,664 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:35:46,664 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 329 of 428 [2021-04-28 20:35:46,664 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:35:52,658 INFO L129 PetriNetUnfolder]: 38576/57224 cut-off events. [2021-04-28 20:35:52,661 INFO L130 PetriNetUnfolder]: For 2280/2360 co-relation queries the response was YES. [2021-04-28 20:35:53,113 INFO L84 FinitePrefix]: Finished finitePrefix Result has 116142 conditions, 57224 events. 38576/57224 cut-off events. For 2280/2360 co-relation queries the response was YES. Maximal size of possible extension queue 8310. Compared 516303 event pairs, 20235 based on Foata normal form. 1174/17887 useless extension candidates. Maximal degree in co-relation 116128. Up to 36733 conditions per place. [2021-04-28 20:35:53,396 INFO L132 encePairwiseOnDemand]: 408/428 looper letters, 33 selfloop transitions, 32 changer transitions 0/102 dead transitions. [2021-04-28 20:35:53,397 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 102 transitions, 429 flow [2021-04-28 20:35:53,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 20:35:53,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 20:35:53,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1711 transitions. [2021-04-28 20:35:53,405 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7995327102803739 [2021-04-28 20:35:53,405 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1711 transitions. [2021-04-28 20:35:53,406 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1711 transitions. [2021-04-28 20:35:53,408 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:35:53,408 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1711 transitions. [2021-04-28 20:35:53,413 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 342.2) internal successors, (1711), 5 states have internal predecessors, (1711), 0 states have call successors, (0), 0 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 20:35:53,422 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 428.0) internal successors, (2568), 6 states have internal predecessors, (2568), 0 states have call successors, (0), 0 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 20:35:53,425 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 428.0) internal successors, (2568), 6 states have internal predecessors, (2568), 0 states have call successors, (0), 0 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 20:35:53,425 INFO L185 Difference]: Start difference. First operand has 65 places, 59 transitions, 213 flow. Second operand 5 states and 1711 transitions. [2021-04-28 20:35:53,426 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 102 transitions, 429 flow [2021-04-28 20:35:53,435 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 102 transitions, 429 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-28 20:35:53,442 INFO L241 Difference]: Finished difference. Result has 72 places, 89 transitions, 451 flow [2021-04-28 20:35:53,442 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=428, PETRI_DIFFERENCE_MINUEND_FLOW=213, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=451, PETRI_PLACES=72, PETRI_TRANSITIONS=89} [2021-04-28 20:35:53,443 INFO L343 CegarLoopForPetriNet]: 157 programPoint places, -85 predicate places. [2021-04-28 20:35:53,443 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:35:53,443 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 72 places, 89 transitions, 451 flow [2021-04-28 20:35:53,444 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 72 places, 89 transitions, 451 flow [2021-04-28 20:35:53,445 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 72 places, 89 transitions, 451 flow [2021-04-28 20:35:58,047 INFO L129 PetriNetUnfolder]: 34616/52407 cut-off events. [2021-04-28 20:35:58,047 INFO L130 PetriNetUnfolder]: For 10629/70630 co-relation queries the response was YES. [2021-04-28 20:35:58,267 INFO L84 FinitePrefix]: Finished finitePrefix Result has 149934 conditions, 52407 events. 34616/52407 cut-off events. For 10629/70630 co-relation queries the response was YES. Maximal size of possible extension queue 8167. Compared 493760 event pairs, 19402 based on Foata normal form. 19/15845 useless extension candidates. Maximal degree in co-relation 149917. Up to 49306 conditions per place. [2021-04-28 20:35:58,865 INFO L146 LiptonReduction]: Number of co-enabled transitions 2796 [2021-04-28 20:36:03,732 INFO L158 LiptonReduction]: Checked pairs total: 1128 [2021-04-28 20:36:03,732 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:36:03,732 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 10289 [2021-04-28 20:36:03,734 INFO L480 AbstractCegarLoop]: Abstraction has has 72 places, 89 transitions, 451 flow [2021-04-28 20:36:03,735 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 329.75) internal successors, (1319), 4 states have internal predecessors, (1319), 0 states have call successors, (0), 0 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 20:36:03,735 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:36:03,736 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:36:03,736 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-28 20:36:03,736 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:36:03,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:36:03,736 INFO L82 PathProgramCache]: Analyzing trace with hash -1475082020, now seen corresponding path program 1 times [2021-04-28 20:36:03,736 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:36:03,737 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432732928] [2021-04-28 20:36:03,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:36:03,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:36:03,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:36:03,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 20:36:03,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:36:03,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:36:03,791 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-04-28 20:36:03,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-28 20:36:03,804 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 20:36:03,804 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432732928] [2021-04-28 20:36:03,805 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:36:03,805 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 20:36:03,805 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709667953] [2021-04-28 20:36:03,805 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 20:36:03,805 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:36:03,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 20:36:03,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-28 20:36:03,808 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 244 out of 428 [2021-04-28 20:36:03,810 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 89 transitions, 451 flow. Second operand has 4 states, 4 states have (on average 245.0) internal successors, (980), 4 states have internal predecessors, (980), 0 states have call successors, (0), 0 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 20:36:03,810 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:36:03,810 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 244 of 428 [2021-04-28 20:36:03,810 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:36:09,752 INFO L129 PetriNetUnfolder]: 46265/69299 cut-off events. [2021-04-28 20:36:09,752 INFO L130 PetriNetUnfolder]: For 19377/108275 co-relation queries the response was YES. [2021-04-28 20:36:10,025 INFO L84 FinitePrefix]: Finished finitePrefix Result has 199745 conditions, 69299 events. 46265/69299 cut-off events. For 19377/108275 co-relation queries the response was YES. Maximal size of possible extension queue 10140. Compared 650319 event pairs, 26580 based on Foata normal form. 703/21651 useless extension candidates. Maximal degree in co-relation 199726. Up to 65428 conditions per place. [2021-04-28 20:36:10,334 INFO L132 encePairwiseOnDemand]: 422/428 looper letters, 14 selfloop transitions, 9 changer transitions 0/93 dead transitions. [2021-04-28 20:36:10,334 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 93 transitions, 514 flow [2021-04-28 20:36:10,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 20:36:10,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 20:36:10,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 994 transitions. [2021-04-28 20:36:10,339 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.580607476635514 [2021-04-28 20:36:10,339 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 994 transitions. [2021-04-28 20:36:10,339 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 994 transitions. [2021-04-28 20:36:10,340 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:36:10,340 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 994 transitions. [2021-04-28 20:36:10,344 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 248.5) internal successors, (994), 4 states have internal predecessors, (994), 0 states have call successors, (0), 0 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 20:36:10,349 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 428.0) internal successors, (2140), 5 states have internal predecessors, (2140), 0 states have call successors, (0), 0 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 20:36:10,350 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 428.0) internal successors, (2140), 5 states have internal predecessors, (2140), 0 states have call successors, (0), 0 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 20:36:10,350 INFO L185 Difference]: Start difference. First operand has 72 places, 89 transitions, 451 flow. Second operand 4 states and 994 transitions. [2021-04-28 20:36:10,350 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 93 transitions, 514 flow [2021-04-28 20:36:10,542 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 93 transitions, 514 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-28 20:36:10,544 INFO L241 Difference]: Finished difference. Result has 76 places, 89 transitions, 476 flow [2021-04-28 20:36:10,545 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=428, PETRI_DIFFERENCE_MINUEND_FLOW=451, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=476, PETRI_PLACES=76, PETRI_TRANSITIONS=89} [2021-04-28 20:36:10,545 INFO L343 CegarLoopForPetriNet]: 157 programPoint places, -81 predicate places. [2021-04-28 20:36:10,545 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:36:10,545 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 76 places, 89 transitions, 476 flow [2021-04-28 20:36:10,546 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 76 places, 89 transitions, 476 flow [2021-04-28 20:36:10,546 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 76 places, 89 transitions, 476 flow [2021-04-28 20:36:16,148 INFO L129 PetriNetUnfolder]: 46837/69995 cut-off events. [2021-04-28 20:36:16,148 INFO L130 PetriNetUnfolder]: For 14297/112762 co-relation queries the response was YES. [2021-04-28 20:36:16,415 INFO L84 FinitePrefix]: Finished finitePrefix Result has 200819 conditions, 69995 events. 46837/69995 cut-off events. For 14297/112762 co-relation queries the response was YES. Maximal size of possible extension queue 10087. Compared 666200 event pairs, 26526 based on Foata normal form. 23/20896 useless extension candidates. Maximal degree in co-relation 200799. Up to 66553 conditions per place. [2021-04-28 20:36:17,146 INFO L146 LiptonReduction]: Number of co-enabled transitions 2794 [2021-04-28 20:36:19,618 INFO L158 LiptonReduction]: Checked pairs total: 1128 [2021-04-28 20:36:19,619 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:36:19,619 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 9074 [2021-04-28 20:36:19,620 INFO L480 AbstractCegarLoop]: Abstraction has has 76 places, 89 transitions, 476 flow [2021-04-28 20:36:19,621 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 245.0) internal successors, (980), 4 states have internal predecessors, (980), 0 states have call successors, (0), 0 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 20:36:19,621 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:36:19,621 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:36:19,621 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-28 20:36:19,621 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:36:19,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:36:19,622 INFO L82 PathProgramCache]: Analyzing trace with hash -1713054876, now seen corresponding path program 1 times [2021-04-28 20:36:19,622 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:36:19,622 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465156258] [2021-04-28 20:36:19,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:36:19,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:36:19,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:36:19,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:36:19,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:36:19,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:36:19,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:36:19,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 20:36:19,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:36:19,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 20:36:19,742 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 20:36:19,742 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465156258] [2021-04-28 20:36:19,742 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:36:19,742 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 20:36:19,742 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321901586] [2021-04-28 20:36:19,743 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 20:36:19,744 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:36:19,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 20:36:19,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 20:36:19,747 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 329 out of 428 [2021-04-28 20:36:19,748 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 89 transitions, 476 flow. Second operand has 5 states, 5 states have (on average 329.8) internal successors, (1649), 5 states have internal predecessors, (1649), 0 states have call successors, (0), 0 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 20:36:19,749 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:36:19,749 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 329 of 428 [2021-04-28 20:36:19,749 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:36:28,013 INFO L129 PetriNetUnfolder]: 58277/90126 cut-off events. [2021-04-28 20:36:28,013 INFO L130 PetriNetUnfolder]: For 30670/440628 co-relation queries the response was YES. [2021-04-28 20:36:28,386 INFO L84 FinitePrefix]: Finished finitePrefix Result has 346068 conditions, 90126 events. 58277/90126 cut-off events. For 30670/440628 co-relation queries the response was YES. Maximal size of possible extension queue 13149. Compared 881845 event pairs, 11437 based on Foata normal form. 1948/31443 useless extension candidates. Maximal degree in co-relation 346046. Up to 83593 conditions per place. [2021-04-28 20:36:28,890 INFO L132 encePairwiseOnDemand]: 408/428 looper letters, 34 selfloop transitions, 62 changer transitions 0/133 dead transitions. [2021-04-28 20:36:28,891 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 133 transitions, 913 flow [2021-04-28 20:36:28,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-28 20:36:28,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-28 20:36:28,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 2399 transitions. [2021-04-28 20:36:28,899 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8007343124165555 [2021-04-28 20:36:28,899 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 2399 transitions. [2021-04-28 20:36:28,899 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 2399 transitions. [2021-04-28 20:36:28,902 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:36:28,902 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 2399 transitions. [2021-04-28 20:36:28,908 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 342.7142857142857) internal successors, (2399), 7 states have internal predecessors, (2399), 0 states have call successors, (0), 0 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 20:36:28,916 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 428.0) internal successors, (3424), 8 states have internal predecessors, (3424), 0 states have call successors, (0), 0 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 20:36:28,917 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 428.0) internal successors, (3424), 8 states have internal predecessors, (3424), 0 states have call successors, (0), 0 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 20:36:28,918 INFO L185 Difference]: Start difference. First operand has 76 places, 89 transitions, 476 flow. Second operand 7 states and 2399 transitions. [2021-04-28 20:36:28,918 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 133 transitions, 913 flow [2021-04-28 20:36:29,069 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 133 transitions, 886 flow, removed 4 selfloop flow, removed 2 redundant places. [2021-04-28 20:36:29,073 INFO L241 Difference]: Finished difference. Result has 83 places, 119 transitions, 879 flow [2021-04-28 20:36:29,073 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=428, PETRI_DIFFERENCE_MINUEND_FLOW=449, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=32, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=879, PETRI_PLACES=83, PETRI_TRANSITIONS=119} [2021-04-28 20:36:29,074 INFO L343 CegarLoopForPetriNet]: 157 programPoint places, -74 predicate places. [2021-04-28 20:36:29,074 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:36:29,074 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 83 places, 119 transitions, 879 flow [2021-04-28 20:36:29,074 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 83 places, 119 transitions, 879 flow [2021-04-28 20:36:29,076 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 83 places, 119 transitions, 879 flow [2021-04-28 20:36:37,649 INFO L129 PetriNetUnfolder]: 52649/83270 cut-off events. [2021-04-28 20:36:37,649 INFO L130 PetriNetUnfolder]: For 159174/460023 co-relation queries the response was YES. [2021-04-28 20:36:38,045 INFO L84 FinitePrefix]: Finished finitePrefix Result has 394375 conditions, 83270 events. 52649/83270 cut-off events. For 159174/460023 co-relation queries the response was YES. Maximal size of possible extension queue 11961. Compared 852542 event pairs, 11313 based on Foata normal form. 52/25576 useless extension candidates. Maximal degree in co-relation 394352. Up to 79309 conditions per place. [2021-04-28 20:36:38,682 INFO L146 LiptonReduction]: Number of co-enabled transitions 3958 [2021-04-28 20:36:52,947 INFO L158 LiptonReduction]: Checked pairs total: 2058 [2021-04-28 20:36:52,947 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:36:52,947 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 23873 [2021-04-28 20:36:52,948 INFO L480 AbstractCegarLoop]: Abstraction has has 83 places, 119 transitions, 879 flow [2021-04-28 20:36:52,949 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 329.8) internal successors, (1649), 5 states have internal predecessors, (1649), 0 states have call successors, (0), 0 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 20:36:52,949 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:36:52,949 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:36:52,950 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-04-28 20:36:52,950 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:36:52,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:36:52,950 INFO L82 PathProgramCache]: Analyzing trace with hash 1468368792, now seen corresponding path program 1 times [2021-04-28 20:36:52,950 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:36:52,950 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782288425] [2021-04-28 20:36:52,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:36:52,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:36:53,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:36:53,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:36:53,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:36:53,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:36:53,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:36:53,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:36:53,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:36:53,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 20:36:53,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:36:53,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 20:36:53,047 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 20:36:53,047 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782288425] [2021-04-28 20:36:53,047 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:36:53,047 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-28 20:36:53,047 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293697411] [2021-04-28 20:36:53,048 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 20:36:53,048 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:36:53,048 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 20:36:53,049 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-04-28 20:36:53,051 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 329 out of 428 [2021-04-28 20:36:53,054 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 119 transitions, 879 flow. Second operand has 6 states, 6 states have (on average 329.8333333333333) internal successors, (1979), 6 states have internal predecessors, (1979), 0 states have call successors, (0), 0 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 20:36:53,054 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:36:53,055 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 329 of 428 [2021-04-28 20:36:53,055 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:37:03,056 INFO L129 PetriNetUnfolder]: 53795/88400 cut-off events. [2021-04-28 20:37:03,056 INFO L130 PetriNetUnfolder]: For 93031/1320613 co-relation queries the response was YES. [2021-04-28 20:37:03,459 INFO L84 FinitePrefix]: Finished finitePrefix Result has 501529 conditions, 88400 events. 53795/88400 cut-off events. For 93031/1320613 co-relation queries the response was YES. Maximal size of possible extension queue 15750. Compared 946041 event pairs, 1852 based on Foata normal form. 2092/30201 useless extension candidates. Maximal degree in co-relation 501504. Up to 82855 conditions per place. [2021-04-28 20:37:03,758 INFO L132 encePairwiseOnDemand]: 408/428 looper letters, 23 selfloop transitions, 92 changer transitions 12/164 dead transitions. [2021-04-28 20:37:03,758 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 164 transitions, 1537 flow [2021-04-28 20:37:03,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-28 20:37:03,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-28 20:37:03,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 3087 transitions. [2021-04-28 20:37:03,768 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8014018691588785 [2021-04-28 20:37:03,768 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 3087 transitions. [2021-04-28 20:37:03,768 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 3087 transitions. [2021-04-28 20:37:03,771 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:37:03,771 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 3087 transitions. [2021-04-28 20:37:03,779 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 343.0) internal successors, (3087), 9 states have internal predecessors, (3087), 0 states have call successors, (0), 0 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 20:37:03,788 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 428.0) internal successors, (4280), 10 states have internal predecessors, (4280), 0 states have call successors, (0), 0 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 20:37:03,790 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 428.0) internal successors, (4280), 10 states have internal predecessors, (4280), 0 states have call successors, (0), 0 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 20:37:03,791 INFO L185 Difference]: Start difference. First operand has 83 places, 119 transitions, 879 flow. Second operand 9 states and 3087 transitions. [2021-04-28 20:37:03,791 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 164 transitions, 1537 flow [2021-04-28 20:37:17,545 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 87 places, 164 transitions, 1371 flow, removed 54 selfloop flow, removed 4 redundant places. [2021-04-28 20:37:17,549 INFO L241 Difference]: Finished difference. Result has 90 places, 149 transitions, 1288 flow [2021-04-28 20:37:17,549 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=428, PETRI_DIFFERENCE_MINUEND_FLOW=714, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=119, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=74, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1288, PETRI_PLACES=90, PETRI_TRANSITIONS=149} [2021-04-28 20:37:17,549 INFO L343 CegarLoopForPetriNet]: 157 programPoint places, -67 predicate places. [2021-04-28 20:37:17,550 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:37:17,551 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 90 places, 149 transitions, 1288 flow [2021-04-28 20:37:17,551 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 90 places, 149 transitions, 1288 flow [2021-04-28 20:37:17,552 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 90 places, 149 transitions, 1288 flow [2021-04-28 20:37:24,403 INFO L129 PetriNetUnfolder]: 37974/67800 cut-off events. [2021-04-28 20:37:24,403 INFO L130 PetriNetUnfolder]: For 216034/365671 co-relation queries the response was YES. [2021-04-28 20:37:25,179 INFO L84 FinitePrefix]: Finished finitePrefix Result has 393019 conditions, 67800 events. 37974/67800 cut-off events. For 216034/365671 co-relation queries the response was YES. Maximal size of possible extension queue 11617. Compared 809382 event pairs, 1819 based on Foata normal form. 2/20933 useless extension candidates. Maximal degree in co-relation 392994. Up to 54352 conditions per place. [2021-04-28 20:37:25,831 INFO L146 LiptonReduction]: Number of co-enabled transitions 4628 [2021-04-28 20:38:21,380 INFO L158 LiptonReduction]: Checked pairs total: 3006 [2021-04-28 20:38:21,380 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:38:21,380 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 63830 [2021-04-28 20:38:21,382 INFO L480 AbstractCegarLoop]: Abstraction has has 90 places, 149 transitions, 1288 flow [2021-04-28 20:38:21,383 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 329.8333333333333) internal successors, (1979), 6 states have internal predecessors, (1979), 0 states have call successors, (0), 0 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 20:38:21,383 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:38:21,383 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:38:21,383 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-04-28 20:38:21,383 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:38:21,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:38:21,384 INFO L82 PathProgramCache]: Analyzing trace with hash 2041966758, now seen corresponding path program 1 times [2021-04-28 20:38:21,384 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:38:21,384 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462802275] [2021-04-28 20:38:21,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:38:21,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:38:21,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:38:21,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:38:21,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:38:21,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:38:21,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:38:21,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:38:21,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:38:21,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:38:21,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:38:21,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 20:38:21,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:38:21,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 20:38:21,485 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 20:38:21,485 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462802275] [2021-04-28 20:38:21,485 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:38:21,485 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-28 20:38:21,485 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871437848] [2021-04-28 20:38:21,486 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-28 20:38:21,486 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:38:21,486 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-28 20:38:21,487 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-28 20:38:21,489 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 329 out of 428 [2021-04-28 20:38:21,492 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 149 transitions, 1288 flow. Second operand has 7 states, 7 states have (on average 329.85714285714283) internal successors, (2309), 7 states have internal predecessors, (2309), 0 states have call successors, (0), 0 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 20:38:21,492 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:38:21,492 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 329 of 428 [2021-04-28 20:38:21,493 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:38:29,464 INFO L129 PetriNetUnfolder]: 38567/69095 cut-off events. [2021-04-28 20:38:29,464 INFO L130 PetriNetUnfolder]: For 187743/1400061 co-relation queries the response was YES. [2021-04-28 20:38:29,903 INFO L84 FinitePrefix]: Finished finitePrefix Result has 463866 conditions, 69095 events. 38567/69095 cut-off events. For 187743/1400061 co-relation queries the response was YES. Maximal size of possible extension queue 13824. Compared 807684 event pairs, 16 based on Foata normal form. 1486/22737 useless extension candidates. Maximal degree in co-relation 463839. Up to 54118 conditions per place. [2021-04-28 20:38:31,255 INFO L132 encePairwiseOnDemand]: 408/428 looper letters, 6 selfloop transitions, 109 changer transitions 19/171 dead transitions. [2021-04-28 20:38:31,255 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 171 transitions, 1758 flow [2021-04-28 20:38:31,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-04-28 20:38:31,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-04-28 20:38:31,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 3751 transitions. [2021-04-28 20:38:31,266 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7967289719626168 [2021-04-28 20:38:31,266 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 3751 transitions. [2021-04-28 20:38:31,267 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 3751 transitions. [2021-04-28 20:38:31,269 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:38:31,270 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 3751 transitions. [2021-04-28 20:38:31,279 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 341.0) internal successors, (3751), 11 states have internal predecessors, (3751), 0 states have call successors, (0), 0 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 20:38:31,288 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 428.0) internal successors, (5136), 12 states have internal predecessors, (5136), 0 states have call successors, (0), 0 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 20:38:31,290 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 428.0) internal successors, (5136), 12 states have internal predecessors, (5136), 0 states have call successors, (0), 0 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 20:38:31,290 INFO L185 Difference]: Start difference. First operand has 90 places, 149 transitions, 1288 flow. Second operand 11 states and 3751 transitions. [2021-04-28 20:38:31,290 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 171 transitions, 1758 flow [2021-04-28 20:42:19,636 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 171 transitions, 1427 flow, removed 107 selfloop flow, removed 6 redundant places. [2021-04-28 20:42:19,639 INFO L241 Difference]: Finished difference. Result has 97 places, 149 transitions, 1230 flow [2021-04-28 20:42:19,640 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=428, PETRI_DIFFERENCE_MINUEND_FLOW=958, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=149, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=108, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1230, PETRI_PLACES=97, PETRI_TRANSITIONS=149} [2021-04-28 20:42:19,640 INFO L343 CegarLoopForPetriNet]: 157 programPoint places, -60 predicate places. [2021-04-28 20:42:19,640 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:42:19,640 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 97 places, 149 transitions, 1230 flow [2021-04-28 20:42:19,641 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 97 places, 149 transitions, 1230 flow [2021-04-28 20:42:19,642 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 95 places, 149 transitions, 1230 flow [2021-04-28 20:42:23,769 INFO L129 PetriNetUnfolder]: 29702/55249 cut-off events. [2021-04-28 20:42:23,769 INFO L130 PetriNetUnfolder]: For 161872/253773 co-relation queries the response was YES. [2021-04-28 20:42:24,148 INFO L84 FinitePrefix]: Finished finitePrefix Result has 247496 conditions, 55249 events. 29702/55249 cut-off events. For 161872/253773 co-relation queries the response was YES. Maximal size of possible extension queue 12524. Compared 690437 event pairs, 23 based on Foata normal form. 2/16700 useless extension candidates. Maximal degree in co-relation 247469. Up to 33534 conditions per place. [2021-04-28 20:42:25,396 INFO L146 LiptonReduction]: Number of co-enabled transitions 4510 [2021-04-28 20:43:37,771 INFO L158 LiptonReduction]: Checked pairs total: 2919 [2021-04-28 20:43:37,771 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:43:37,771 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 78131 [2021-04-28 20:43:37,772 INFO L480 AbstractCegarLoop]: Abstraction has has 95 places, 149 transitions, 1230 flow [2021-04-28 20:43:37,773 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 329.85714285714283) internal successors, (2309), 7 states have internal predecessors, (2309), 0 states have call successors, (0), 0 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 20:43:37,773 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:43:37,773 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 20:43:37,773 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-04-28 20:43:37,774 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:43:37,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:43:37,774 INFO L82 PathProgramCache]: Analyzing trace with hash 2120568794, now seen corresponding path program 1 times [2021-04-28 20:43:37,774 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:43:37,775 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135940971] [2021-04-28 20:43:37,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:43:37,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:43:37,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:43:37,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 20:43:37,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:43:37,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:43:37,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:43:37,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:43:37,881 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-04-28 20:43:37,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-28 20:43:37,897 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 20:43:37,897 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135940971] [2021-04-28 20:43:37,897 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:43:37,897 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 20:43:37,898 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504253777] [2021-04-28 20:43:37,898 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 20:43:37,898 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:43:37,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 20:43:37,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 20:43:37,901 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 240 out of 428 [2021-04-28 20:43:37,902 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 149 transitions, 1230 flow. Second operand has 5 states, 5 states have (on average 241.8) internal successors, (1209), 5 states have internal predecessors, (1209), 0 states have call successors, (0), 0 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 20:43:37,902 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:43:37,903 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 240 of 428 [2021-04-28 20:43:37,903 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:43:48,517 INFO L129 PetriNetUnfolder]: 54019/99096 cut-off events. [2021-04-28 20:43:48,518 INFO L130 PetriNetUnfolder]: For 537874/1048380 co-relation queries the response was YES. [2021-04-28 20:43:49,045 INFO L84 FinitePrefix]: Finished finitePrefix Result has 443784 conditions, 99096 events. 54019/99096 cut-off events. For 537874/1048380 co-relation queries the response was YES. Maximal size of possible extension queue 21705. Compared 1275638 event pairs, 6 based on Foata normal form. 93/29744 useless extension candidates. Maximal degree in co-relation 443755. Up to 62694 conditions per place. [2021-04-28 20:43:49,364 INFO L132 encePairwiseOnDemand]: 419/428 looper letters, 23 selfloop transitions, 17 changer transitions 0/169 dead transitions. [2021-04-28 20:43:49,364 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 169 transitions, 1415 flow [2021-04-28 20:43:49,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-28 20:43:49,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-04-28 20:43:49,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1470 transitions. [2021-04-28 20:43:49,369 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.572429906542056 [2021-04-28 20:43:49,370 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1470 transitions. [2021-04-28 20:43:49,370 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1470 transitions. [2021-04-28 20:43:49,371 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:43:49,371 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1470 transitions. [2021-04-28 20:43:49,374 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 245.0) internal successors, (1470), 6 states have internal predecessors, (1470), 0 states have call successors, (0), 0 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 20:43:49,379 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 428.0) internal successors, (2996), 7 states have internal predecessors, (2996), 0 states have call successors, (0), 0 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 20:43:49,379 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 428.0) internal successors, (2996), 7 states have internal predecessors, (2996), 0 states have call successors, (0), 0 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 20:43:49,380 INFO L185 Difference]: Start difference. First operand has 95 places, 149 transitions, 1230 flow. Second operand 6 states and 1470 transitions. [2021-04-28 20:43:49,380 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 169 transitions, 1415 flow Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown