/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/mix005_rmo.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-28 16:54:12,261 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-28 16:54:12,265 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-28 16:54:12,321 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-28 16:54:12,322 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-28 16:54:12,326 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-28 16:54:12,329 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-28 16:54:12,337 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-28 16:54:12,340 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-28 16:54:12,348 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-28 16:54:12,352 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-28 16:54:12,354 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-28 16:54:12,355 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-28 16:54:12,357 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-28 16:54:12,360 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-28 16:54:12,362 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-28 16:54:12,364 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-28 16:54:12,368 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-28 16:54:12,377 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-28 16:54:12,382 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-28 16:54:12,386 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-28 16:54:12,389 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-28 16:54:12,390 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-28 16:54:12,393 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-28 16:54:12,402 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-04-28 16:54:12,408 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-04-28 16:54:12,409 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-04-28 16:54:12,412 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-04-28 16:54:12,412 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-04-28 16:54:12,414 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-04-28 16:54:12,414 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-04-28 16:54:12,415 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-04-28 16:54:12,415 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-04-28 16:54:12,415 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-28 16:54:12,417 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-28 16:54:12,417 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-28 16:54:12,423 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf [2021-04-28 16:54:12,479 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-28 16:54:12,479 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-28 16:54:12,485 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-28 16:54:12,485 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-28 16:54:12,485 INFO L138 SettingsManager]: * Use SBE=true [2021-04-28 16:54:12,486 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-28 16:54:12,486 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-28 16:54:12,486 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-28 16:54:12,486 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-28 16:54:12,487 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-28 16:54:12,488 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-28 16:54:12,489 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-28 16:54:12,489 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-28 16:54:12,489 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-28 16:54:12,489 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-28 16:54:12,490 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-28 16:54:12,490 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-28 16:54:12,490 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-28 16:54:12,490 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-28 16:54:12,491 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-28 16:54:12,491 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-28 16:54:12,491 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 16:54:12,492 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-28 16:54:12,492 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-28 16:54:12,492 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-28 16:54:12,492 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-28 16:54:12,492 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-28 16:54:12,493 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-28 16:54:12,493 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-28 16:54:12,493 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-28 16:54:12,493 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-28 16:54:12,906 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-28 16:54:12,935 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-28 16:54:12,939 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-28 16:54:12,940 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-28 16:54:12,941 INFO L275 PluginConnector]: CDTParser initialized [2021-04-28 16:54:12,942 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix005_rmo.opt.i [2021-04-28 16:54:13,039 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa786cef1/c86d91329cbb4e70a0379ae3661abe0f/FLAGe1ecab97d [2021-04-28 16:54:13,742 INFO L306 CDTParser]: Found 1 translation units. [2021-04-28 16:54:13,743 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix005_rmo.opt.i [2021-04-28 16:54:13,766 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa786cef1/c86d91329cbb4e70a0379ae3661abe0f/FLAGe1ecab97d [2021-04-28 16:54:13,985 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa786cef1/c86d91329cbb4e70a0379ae3661abe0f [2021-04-28 16:54:13,988 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-28 16:54:14,024 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-28 16:54:14,026 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-28 16:54:14,026 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-28 16:54:14,031 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-28 16:54:14,032 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 04:54:13" (1/1) ... [2021-04-28 16:54:14,034 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66914e2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 04:54:14, skipping insertion in model container [2021-04-28 16:54:14,034 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 04:54:13" (1/1) ... [2021-04-28 16:54:14,043 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-28 16:54:14,088 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-28 16:54:14,296 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/mix005_rmo.opt.i[948,961] [2021-04-28 16:54:14,704 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 16:54:14,726 INFO L203 MainTranslator]: Completed pre-run [2021-04-28 16:54:14,750 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/mix005_rmo.opt.i[948,961] [2021-04-28 16:54:14,837 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 16:54:15,002 INFO L208 MainTranslator]: Completed translation [2021-04-28 16:54:15,003 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 04:54:15 WrapperNode [2021-04-28 16:54:15,005 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-28 16:54:15,006 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-28 16:54:15,007 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-28 16:54:15,007 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-28 16:54:15,015 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 04:54:15" (1/1) ... [2021-04-28 16:54:15,065 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 04:54:15" (1/1) ... [2021-04-28 16:54:15,129 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-28 16:54:15,130 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-28 16:54:15,130 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-28 16:54:15,130 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-28 16:54:15,141 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 04:54:15" (1/1) ... [2021-04-28 16:54:15,142 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 04:54:15" (1/1) ... [2021-04-28 16:54:15,146 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 04:54:15" (1/1) ... [2021-04-28 16:54:15,147 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 04:54:15" (1/1) ... [2021-04-28 16:54:15,159 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 04:54:15" (1/1) ... [2021-04-28 16:54:15,163 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 04:54:15" (1/1) ... [2021-04-28 16:54:15,167 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 04:54:15" (1/1) ... [2021-04-28 16:54:15,173 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-28 16:54:15,174 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-28 16:54:15,174 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-28 16:54:15,174 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-28 16:54:15,175 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 04:54:15" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 16:54:15,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-28 16:54:15,281 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-04-28 16:54:15,281 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-28 16:54:15,281 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-28 16:54:15,281 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-04-28 16:54:15,282 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-04-28 16:54:15,282 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-04-28 16:54:15,282 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-04-28 16:54:15,282 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-04-28 16:54:15,282 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-04-28 16:54:15,282 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-04-28 16:54:15,283 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-04-28 16:54:15,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-28 16:54:15,283 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-04-28 16:54:15,283 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-28 16:54:15,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-28 16:54:15,286 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-04-28 16:54:18,452 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-28 16:54:18,452 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-04-28 16:54:18,455 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 04:54:18 BoogieIcfgContainer [2021-04-28 16:54:18,455 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-28 16:54:18,457 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-28 16:54:18,457 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-28 16:54:18,460 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-28 16:54:18,461 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.04 04:54:13" (1/3) ... [2021-04-28 16:54:18,462 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@751a42e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 04:54:18, skipping insertion in model container [2021-04-28 16:54:18,462 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 04:54:15" (2/3) ... [2021-04-28 16:54:18,463 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@751a42e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 04:54:18, skipping insertion in model container [2021-04-28 16:54:18,463 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 04:54:18" (3/3) ... [2021-04-28 16:54:18,465 INFO L111 eAbstractionObserver]: Analyzing ICFG mix005_rmo.opt.i [2021-04-28 16:54:18,473 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-28 16:54:18,486 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-04-28 16:54:18,487 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-28 16:54:18,545 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,546 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,546 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,546 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,546 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,546 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,547 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,547 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,547 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,548 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,548 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,548 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,548 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,549 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,549 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,549 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,549 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,549 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,549 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,550 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,550 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,550 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,551 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,551 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,552 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,552 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,552 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,552 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,552 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,553 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,553 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,554 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,554 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,554 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,554 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,555 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,555 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,555 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,556 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,556 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,556 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,556 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,557 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,557 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,557 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,557 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,557 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,557 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,557 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,558 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,558 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,558 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,558 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,559 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,559 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,559 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,559 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,559 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,559 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,560 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,560 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,560 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,560 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,560 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,561 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,561 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,561 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,561 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,561 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,562 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,567 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,567 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,568 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,569 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,569 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,569 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,569 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,569 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,570 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,570 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,570 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,570 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,571 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,571 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,571 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,571 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,571 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,572 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,572 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,572 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,572 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,572 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,572 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,573 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,573 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,573 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,574 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,578 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,578 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,579 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,579 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,585 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,585 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,586 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,586 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,586 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,586 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,586 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,589 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,590 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,590 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,590 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,591 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,591 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,591 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,591 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,591 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,591 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,592 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,592 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,592 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,592 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,592 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,592 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,593 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,593 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,593 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,593 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,593 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,594 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,594 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,594 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,594 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,594 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,594 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,594 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,594 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,595 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,595 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,595 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,595 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,595 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,595 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,595 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,596 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,596 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,596 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,596 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,596 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,596 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,597 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,597 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,597 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,597 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,597 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,597 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,597 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,598 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,598 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,598 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,598 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,598 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,598 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,598 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,598 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,601 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,603 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,603 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,603 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,604 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,604 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,604 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,604 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,604 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,604 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,604 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,604 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,605 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,605 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,605 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,605 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,605 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,605 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,605 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,606 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,606 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,606 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,606 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,606 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,606 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,606 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,606 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,607 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,607 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,607 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,607 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,607 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,607 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,607 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,608 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,608 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,608 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,608 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,608 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,610 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,610 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,610 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,611 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,611 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,611 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,611 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,611 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,612 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,612 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,612 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,612 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,612 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,612 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,613 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,613 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,613 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,613 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,615 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,617 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,621 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,622 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,624 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,624 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,625 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,627 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,635 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,636 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,636 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,637 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,637 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,644 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,645 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,645 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,645 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,645 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,645 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,646 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,646 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,646 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,646 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,646 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,646 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,647 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,647 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,647 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,647 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,647 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,648 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,648 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,648 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,648 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,648 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,650 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,650 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,650 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,651 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,651 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,651 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,651 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,651 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,651 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,651 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,652 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,652 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,652 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,652 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,652 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,652 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,653 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,653 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,653 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,653 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,653 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,653 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,654 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,654 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,654 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,654 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,654 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,654 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,654 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,655 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,655 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,655 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,655 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,655 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,655 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:18,657 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-28 16:54:18,680 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-04-28 16:54:18,720 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-28 16:54:18,720 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-28 16:54:18,721 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-28 16:54:18,721 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-28 16:54:18,721 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-28 16:54:18,721 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-28 16:54:18,721 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-28 16:54:18,721 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-28 16:54:18,740 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 128 places, 117 transitions, 254 flow [2021-04-28 16:54:18,825 INFO L129 PetriNetUnfolder]: 2/113 cut-off events. [2021-04-28 16:54:18,825 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 16:54:18,840 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 81 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 16:54:18,840 INFO L82 GeneralOperation]: Start removeDead. Operand has 128 places, 117 transitions, 254 flow [2021-04-28 16:54:18,848 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 124 places, 113 transitions, 238 flow [2021-04-28 16:54:18,850 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 16:54:18,867 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 124 places, 113 transitions, 238 flow [2021-04-28 16:54:18,871 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 124 places, 113 transitions, 238 flow [2021-04-28 16:54:18,877 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 124 places, 113 transitions, 238 flow [2021-04-28 16:54:18,922 INFO L129 PetriNetUnfolder]: 2/113 cut-off events. [2021-04-28 16:54:18,922 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 16:54:18,924 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 81 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 16:54:18,929 INFO L146 LiptonReduction]: Number of co-enabled transitions 2502 [2021-04-28 16:54:22,344 WARN L205 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-04-28 16:54:22,451 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 16:54:22,965 WARN L205 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 86 [2021-04-28 16:54:23,176 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 16:54:24,113 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2021-04-28 16:54:30,675 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 16:54:33,012 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 16:54:36,036 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-04-28 16:54:40,589 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 16:54:40,810 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 16:54:41,967 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-04-28 16:54:42,073 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-04-28 16:54:42,182 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-04-28 16:54:42,288 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-04-28 16:54:43,229 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-04-28 16:54:43,362 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-04-28 16:54:43,503 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-04-28 16:54:43,635 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-04-28 16:54:45,883 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 16:54:46,009 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 16:54:46,142 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 16:54:46,275 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 16:54:46,384 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 16:54:46,491 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 16:54:46,595 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 16:54:46,701 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 16:54:46,829 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 16:54:46,949 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 16:54:47,073 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 16:54:47,195 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 16:54:47,346 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 16:54:47,490 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 16:54:47,630 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 16:54:47,771 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 16:54:47,875 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 16:54:47,980 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 16:54:48,090 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 16:54:48,201 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 16:54:48,353 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 16:54:48,494 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 16:54:48,639 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 16:54:48,782 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 16:54:48,921 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 16:54:49,094 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 16:54:49,220 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 16:54:49,357 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 16:54:49,761 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 16:54:49,880 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 16:54:49,999 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 16:54:50,122 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 16:54:50,257 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 16:54:50,387 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 16:54:50,512 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 16:54:50,634 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 16:54:50,751 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 16:54:50,869 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 16:54:50,987 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 16:54:51,103 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 16:54:52,040 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-28 16:54:52,183 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-28 16:54:52,324 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-28 16:54:52,466 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-28 16:54:52,949 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-04-28 16:54:53,097 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-04-28 16:54:53,248 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-04-28 16:54:53,396 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-04-28 16:54:53,498 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 16:54:54,668 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 16:54:54,945 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 16:54:55,056 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 16:54:55,170 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 16:54:55,281 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 16:54:56,235 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 16:54:56,391 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 16:54:56,555 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 16:54:56,719 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 16:54:56,856 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 16:54:56,993 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 16:54:57,133 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 16:54:57,272 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 16:54:57,377 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 16:54:57,482 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 16:54:57,591 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 16:54:57,698 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 16:54:57,851 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 16:54:58,002 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 16:54:58,156 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 16:54:58,304 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 16:54:58,449 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 16:54:58,579 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 16:54:58,698 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 16:54:58,818 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 16:54:59,387 WARN L205 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 121 [2021-04-28 16:54:59,634 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2021-04-28 16:55:00,191 WARN L205 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 121 [2021-04-28 16:55:00,447 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2021-04-28 16:55:00,673 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 16:55:00,899 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 16:55:01,124 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 16:55:01,347 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 16:55:01,552 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 16:55:01,762 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 16:55:01,973 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 16:55:02,202 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 16:55:02,393 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 16:55:02,582 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 16:55:02,776 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 16:55:02,965 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 16:55:03,156 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 16:55:03,344 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 16:55:03,539 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 16:55:03,738 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 16:55:03,950 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 16:55:04,160 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 16:55:04,366 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 16:55:04,566 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 16:55:04,744 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 16:55:04,926 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 16:55:05,111 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 16:55:05,299 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 16:55:05,527 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 16:55:05,752 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 16:55:05,982 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 16:55:06,226 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 16:55:06,452 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 16:55:06,677 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 16:55:06,901 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 16:55:07,127 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 16:55:07,340 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 16:55:07,552 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 16:55:07,770 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 16:55:07,986 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 16:55:08,097 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 16:55:08,211 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 16:55:08,325 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 16:55:08,440 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 16:55:09,012 WARN L205 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 126 [2021-04-28 16:55:09,283 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2021-04-28 16:55:09,846 WARN L205 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 126 [2021-04-28 16:55:10,124 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2021-04-28 16:55:10,478 INFO L158 LiptonReduction]: Checked pairs total: 27688 [2021-04-28 16:55:10,478 INFO L160 LiptonReduction]: Total number of compositions: 303 [2021-04-28 16:55:10,484 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 51635 [2021-04-28 16:55:10,529 INFO L129 PetriNetUnfolder]: 1/98 cut-off events. [2021-04-28 16:55:10,529 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 16:55:10,529 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 16:55:10,530 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 16:55:10,531 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 16:55:10,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 16:55:10,540 INFO L82 PathProgramCache]: Analyzing trace with hash 1326488, now seen corresponding path program 1 times [2021-04-28 16:55:10,550 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 16:55:10,551 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524255930] [2021-04-28 16:55:10,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 16:55:10,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 16:55:10,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 16:55:10,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 16:55:10,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 16:55:10,883 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524255930] [2021-04-28 16:55:10,884 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 16:55:10,884 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 16:55:10,885 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699844360] [2021-04-28 16:55:10,894 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 16:55:10,894 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 16:55:10,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 16:55:10,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 16:55:10,912 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 347 out of 420 [2021-04-28 16:55:10,919 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 155 places, 143 transitions, 298 flow. Second operand has 3 states, 3 states have (on average 347.6666666666667) internal successors, (1043), 3 states have internal predecessors, (1043), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:55:10,919 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 16:55:10,920 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 347 of 420 [2021-04-28 16:55:10,921 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 16:55:11,067 INFO L129 PetriNetUnfolder]: 13/331 cut-off events. [2021-04-28 16:55:11,067 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 16:55:11,070 INFO L84 FinitePrefix]: Finished finitePrefix Result has 382 conditions, 331 events. 13/331 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 83. Compared 2576 event pairs, 5 based on Foata normal form. 16/76 useless extension candidates. Maximal degree in co-relation 303. Up to 25 conditions per place. [2021-04-28 16:55:11,073 INFO L132 encePairwiseOnDemand]: 406/420 looper letters, 6 selfloop transitions, 2 changer transitions 66/141 dead transitions. [2021-04-28 16:55:11,073 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 154 places, 141 transitions, 326 flow [2021-04-28 16:55:11,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 16:55:11,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 16:55:11,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1064 transitions. [2021-04-28 16:55:11,095 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8444444444444444 [2021-04-28 16:55:11,096 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1064 transitions. [2021-04-28 16:55:11,097 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1064 transitions. [2021-04-28 16:55:11,100 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 16:55:11,103 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1064 transitions. [2021-04-28 16:55:11,110 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 354.6666666666667) internal successors, (1064), 3 states have internal predecessors, (1064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:55:11,122 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 420.0) internal successors, (1680), 4 states have internal predecessors, (1680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:55:11,124 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 420.0) internal successors, (1680), 4 states have internal predecessors, (1680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:55:11,127 INFO L185 Difference]: Start difference. First operand has 155 places, 143 transitions, 298 flow. Second operand 3 states and 1064 transitions. [2021-04-28 16:55:11,128 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 154 places, 141 transitions, 326 flow [2021-04-28 16:55:11,132 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 150 places, 141 transitions, 322 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-04-28 16:55:11,135 INFO L241 Difference]: Finished difference. Result has 150 places, 73 transitions, 158 flow [2021-04-28 16:55:11,138 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=420, PETRI_DIFFERENCE_MINUEND_FLOW=286, PETRI_DIFFERENCE_MINUEND_PLACES=148, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=139, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=137, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=158, PETRI_PLACES=150, PETRI_TRANSITIONS=73} [2021-04-28 16:55:11,139 INFO L343 CegarLoopForPetriNet]: 155 programPoint places, -5 predicate places. [2021-04-28 16:55:11,139 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 16:55:11,139 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 150 places, 73 transitions, 158 flow [2021-04-28 16:55:11,139 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 150 places, 73 transitions, 158 flow [2021-04-28 16:55:11,140 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 84 places, 73 transitions, 158 flow [2021-04-28 16:55:11,152 INFO L129 PetriNetUnfolder]: 0/73 cut-off events. [2021-04-28 16:55:11,152 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 16:55:11,152 INFO L84 FinitePrefix]: Finished finitePrefix Result has 85 conditions, 73 events. 0/73 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 348 event pairs, 0 based on Foata normal form. 0/27 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-04-28 16:55:11,155 INFO L146 LiptonReduction]: Number of co-enabled transitions 2744 [2021-04-28 16:55:11,437 INFO L158 LiptonReduction]: Checked pairs total: 3706 [2021-04-28 16:55:11,437 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 16:55:11,437 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 298 [2021-04-28 16:55:11,440 INFO L480 AbstractCegarLoop]: Abstraction has has 84 places, 73 transitions, 158 flow [2021-04-28 16:55:11,441 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 347.6666666666667) internal successors, (1043), 3 states have internal predecessors, (1043), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:55:11,441 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 16:55:11,441 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 16:55:11,441 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-28 16:55:11,442 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 16:55:11,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 16:55:11,442 INFO L82 PathProgramCache]: Analyzing trace with hash 1274839546, now seen corresponding path program 1 times [2021-04-28 16:55:11,442 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 16:55:11,443 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803732536] [2021-04-28 16:55:11,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 16:55:11,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 16:55:11,558 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-04-28 16:55:11,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-28 16:55:11,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 16:55:11,572 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803732536] [2021-04-28 16:55:11,573 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 16:55:11,573 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 16:55:11,573 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474465684] [2021-04-28 16:55:11,574 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 16:55:11,574 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 16:55:11,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 16:55:11,575 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 16:55:11,577 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 237 out of 420 [2021-04-28 16:55:11,578 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 73 transitions, 158 flow. Second operand has 3 states, 3 states have (on average 237.66666666666666) internal successors, (713), 3 states have internal predecessors, (713), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:55:11,579 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 16:55:11,579 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 237 of 420 [2021-04-28 16:55:11,579 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 16:55:14,015 INFO L129 PetriNetUnfolder]: 5744/13596 cut-off events. [2021-04-28 16:55:14,016 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 16:55:14,065 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21951 conditions, 13596 events. 5744/13596 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 1949. Compared 162709 event pairs, 2074 based on Foata normal form. 0/8414 useless extension candidates. Maximal degree in co-relation 21942. Up to 5825 conditions per place. [2021-04-28 16:55:14,087 INFO L132 encePairwiseOnDemand]: 395/420 looper letters, 8 selfloop transitions, 8 changer transitions 50/104 dead transitions. [2021-04-28 16:55:14,087 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 104 transitions, 352 flow [2021-04-28 16:55:14,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 16:55:14,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 16:55:14,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 776 transitions. [2021-04-28 16:55:14,091 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6158730158730159 [2021-04-28 16:55:14,091 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 776 transitions. [2021-04-28 16:55:14,092 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 776 transitions. [2021-04-28 16:55:14,093 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 16:55:14,093 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 776 transitions. [2021-04-28 16:55:14,096 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 258.6666666666667) internal successors, (776), 3 states have internal predecessors, (776), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:55:14,100 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 420.0) internal successors, (1680), 4 states have internal predecessors, (1680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:55:14,101 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 420.0) internal successors, (1680), 4 states have internal predecessors, (1680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:55:14,101 INFO L185 Difference]: Start difference. First operand has 84 places, 73 transitions, 158 flow. Second operand 3 states and 776 transitions. [2021-04-28 16:55:14,101 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 104 transitions, 352 flow [2021-04-28 16:55:14,103 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 104 transitions, 348 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 16:55:14,105 INFO L241 Difference]: Finished difference. Result has 86 places, 54 transitions, 164 flow [2021-04-28 16:55:14,105 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=420, PETRI_DIFFERENCE_MINUEND_FLOW=154, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=73, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=164, PETRI_PLACES=86, PETRI_TRANSITIONS=54} [2021-04-28 16:55:14,106 INFO L343 CegarLoopForPetriNet]: 155 programPoint places, -69 predicate places. [2021-04-28 16:55:14,106 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 16:55:14,106 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 86 places, 54 transitions, 164 flow [2021-04-28 16:55:14,107 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 86 places, 54 transitions, 164 flow [2021-04-28 16:55:14,107 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 60 places, 54 transitions, 164 flow [2021-04-28 16:55:14,221 INFO L129 PetriNetUnfolder]: 260/838 cut-off events. [2021-04-28 16:55:14,221 INFO L130 PetriNetUnfolder]: For 57/65 co-relation queries the response was YES. [2021-04-28 16:55:14,225 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1428 conditions, 838 events. 260/838 cut-off events. For 57/65 co-relation queries the response was YES. Maximal size of possible extension queue 114. Compared 6775 event pairs, 131 based on Foata normal form. 0/551 useless extension candidates. Maximal degree in co-relation 1419. Up to 365 conditions per place. [2021-04-28 16:55:14,243 INFO L146 LiptonReduction]: Number of co-enabled transitions 1650 [2021-04-28 16:55:14,462 INFO L158 LiptonReduction]: Checked pairs total: 546 [2021-04-28 16:55:14,462 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 16:55:14,462 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 356 [2021-04-28 16:55:14,468 INFO L480 AbstractCegarLoop]: Abstraction has has 60 places, 54 transitions, 164 flow [2021-04-28 16:55:14,469 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 237.66666666666666) internal successors, (713), 3 states have internal predecessors, (713), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:55:14,469 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 16:55:14,469 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 16:55:14,469 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-28 16:55:14,470 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 16:55:14,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 16:55:14,470 INFO L82 PathProgramCache]: Analyzing trace with hash 865317296, now seen corresponding path program 1 times [2021-04-28 16:55:14,470 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 16:55:14,471 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916709661] [2021-04-28 16:55:14,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 16:55:14,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 16:55:14,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 16:55:14,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 16:55:14,629 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-04-28 16:55:14,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-28 16:55:14,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 16:55:14,645 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1916709661] [2021-04-28 16:55:14,646 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 16:55:14,646 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 16:55:14,646 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689631144] [2021-04-28 16:55:14,646 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 16:55:14,646 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 16:55:14,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 16:55:14,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-28 16:55:14,650 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 237 out of 420 [2021-04-28 16:55:14,651 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 54 transitions, 164 flow. Second operand has 4 states, 4 states have (on average 237.75) internal successors, (951), 4 states have internal predecessors, (951), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:55:14,652 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 16:55:14,652 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 237 of 420 [2021-04-28 16:55:14,652 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 16:55:14,790 INFO L129 PetriNetUnfolder]: 206/602 cut-off events. [2021-04-28 16:55:14,790 INFO L130 PetriNetUnfolder]: For 87/383 co-relation queries the response was YES. [2021-04-28 16:55:14,793 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1429 conditions, 602 events. 206/602 cut-off events. For 87/383 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 3948 event pairs, 22 based on Foata normal form. 7/439 useless extension candidates. Maximal degree in co-relation 1418. Up to 295 conditions per place. [2021-04-28 16:55:14,798 INFO L132 encePairwiseOnDemand]: 411/420 looper letters, 16 selfloop transitions, 9 changer transitions 0/63 dead transitions. [2021-04-28 16:55:14,798 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 63 transitions, 260 flow [2021-04-28 16:55:14,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 16:55:14,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 16:55:14,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 968 transitions. [2021-04-28 16:55:14,803 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5761904761904761 [2021-04-28 16:55:14,803 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 968 transitions. [2021-04-28 16:55:14,803 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 968 transitions. [2021-04-28 16:55:14,804 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 16:55:14,804 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 968 transitions. [2021-04-28 16:55:14,807 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 242.0) internal successors, (968), 4 states have internal predecessors, (968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:55:14,812 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 420.0) internal successors, (2100), 5 states have internal predecessors, (2100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:55:14,813 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 420.0) internal successors, (2100), 5 states have internal predecessors, (2100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:55:14,814 INFO L185 Difference]: Start difference. First operand has 60 places, 54 transitions, 164 flow. Second operand 4 states and 968 transitions. [2021-04-28 16:55:14,814 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 63 transitions, 260 flow [2021-04-28 16:55:14,817 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 63 transitions, 234 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 16:55:14,819 INFO L241 Difference]: Finished difference. Result has 64 places, 59 transitions, 216 flow [2021-04-28 16:55:14,819 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=420, PETRI_DIFFERENCE_MINUEND_FLOW=148, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=54, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=216, PETRI_PLACES=64, PETRI_TRANSITIONS=59} [2021-04-28 16:55:14,820 INFO L343 CegarLoopForPetriNet]: 155 programPoint places, -91 predicate places. [2021-04-28 16:55:14,820 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 16:55:14,820 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 64 places, 59 transitions, 216 flow [2021-04-28 16:55:14,820 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 64 places, 59 transitions, 216 flow [2021-04-28 16:55:14,821 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 64 places, 59 transitions, 216 flow [2021-04-28 16:55:14,899 INFO L129 PetriNetUnfolder]: 206/658 cut-off events. [2021-04-28 16:55:14,899 INFO L130 PetriNetUnfolder]: For 213/244 co-relation queries the response was YES. [2021-04-28 16:55:14,903 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1327 conditions, 658 events. 206/658 cut-off events. For 213/244 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 4820 event pairs, 76 based on Foata normal form. 0/445 useless extension candidates. Maximal degree in co-relation 1315. Up to 295 conditions per place. [2021-04-28 16:55:14,917 INFO L146 LiptonReduction]: Number of co-enabled transitions 1834 [2021-04-28 16:55:15,100 INFO L158 LiptonReduction]: Checked pairs total: 649 [2021-04-28 16:55:15,100 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 16:55:15,101 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 281 [2021-04-28 16:55:15,103 INFO L480 AbstractCegarLoop]: Abstraction has has 64 places, 59 transitions, 216 flow [2021-04-28 16:55:15,104 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 237.75) internal successors, (951), 4 states have internal predecessors, (951), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:55:15,104 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 16:55:15,104 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 16:55:15,104 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-28 16:55:15,105 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 16:55:15,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 16:55:15,105 INFO L82 PathProgramCache]: Analyzing trace with hash 1007838351, now seen corresponding path program 1 times [2021-04-28 16:55:15,105 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 16:55:15,105 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002116058] [2021-04-28 16:55:15,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 16:55:15,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 16:55:15,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 16:55:15,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 16:55:15,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 16:55:15,174 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002116058] [2021-04-28 16:55:15,174 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 16:55:15,174 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 16:55:15,174 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893590636] [2021-04-28 16:55:15,175 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 16:55:15,175 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 16:55:15,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 16:55:15,176 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 16:55:15,177 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 289 out of 420 [2021-04-28 16:55:15,179 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 59 transitions, 216 flow. Second operand has 3 states, 3 states have (on average 289.6666666666667) internal successors, (869), 3 states have internal predecessors, (869), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:55:15,179 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 16:55:15,179 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 289 of 420 [2021-04-28 16:55:15,179 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 16:55:15,267 INFO L129 PetriNetUnfolder]: 167/551 cut-off events. [2021-04-28 16:55:15,267 INFO L130 PetriNetUnfolder]: For 298/337 co-relation queries the response was YES. [2021-04-28 16:55:15,270 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1165 conditions, 551 events. 167/551 cut-off events. For 298/337 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 3744 event pairs, 68 based on Foata normal form. 13/390 useless extension candidates. Maximal degree in co-relation 1151. Up to 244 conditions per place. [2021-04-28 16:55:15,275 INFO L132 encePairwiseOnDemand]: 417/420 looper letters, 1 selfloop transitions, 4 changer transitions 0/59 dead transitions. [2021-04-28 16:55:15,275 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 59 transitions, 226 flow [2021-04-28 16:55:15,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 16:55:15,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 16:55:15,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 871 transitions. [2021-04-28 16:55:15,279 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6912698412698413 [2021-04-28 16:55:15,279 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 871 transitions. [2021-04-28 16:55:15,279 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 871 transitions. [2021-04-28 16:55:15,280 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 16:55:15,280 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 871 transitions. [2021-04-28 16:55:15,283 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 290.3333333333333) internal successors, (871), 3 states have internal predecessors, (871), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:55:15,286 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 420.0) internal successors, (1680), 4 states have internal predecessors, (1680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:55:15,288 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 420.0) internal successors, (1680), 4 states have internal predecessors, (1680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:55:15,288 INFO L185 Difference]: Start difference. First operand has 64 places, 59 transitions, 216 flow. Second operand 3 states and 871 transitions. [2021-04-28 16:55:15,288 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 59 transitions, 226 flow [2021-04-28 16:55:15,291 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 59 transitions, 223 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 16:55:15,293 INFO L241 Difference]: Finished difference. Result has 66 places, 59 transitions, 227 flow [2021-04-28 16:55:15,293 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=420, PETRI_DIFFERENCE_MINUEND_FLOW=213, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=227, PETRI_PLACES=66, PETRI_TRANSITIONS=59} [2021-04-28 16:55:15,293 INFO L343 CegarLoopForPetriNet]: 155 programPoint places, -89 predicate places. [2021-04-28 16:55:15,293 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 16:55:15,294 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 66 places, 59 transitions, 227 flow [2021-04-28 16:55:15,294 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 66 places, 59 transitions, 227 flow [2021-04-28 16:55:15,294 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 66 places, 59 transitions, 227 flow [2021-04-28 16:55:15,376 INFO L129 PetriNetUnfolder]: 167/571 cut-off events. [2021-04-28 16:55:15,376 INFO L130 PetriNetUnfolder]: For 224/244 co-relation queries the response was YES. [2021-04-28 16:55:15,379 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1211 conditions, 571 events. 167/571 cut-off events. For 224/244 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 4104 event pairs, 76 based on Foata normal form. 0/377 useless extension candidates. Maximal degree in co-relation 1197. Up to 244 conditions per place. [2021-04-28 16:55:15,393 INFO L146 LiptonReduction]: Number of co-enabled transitions 1830 [2021-04-28 16:55:15,478 INFO L158 LiptonReduction]: Checked pairs total: 646 [2021-04-28 16:55:15,478 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 16:55:15,478 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 185 [2021-04-28 16:55:15,480 INFO L480 AbstractCegarLoop]: Abstraction has has 66 places, 59 transitions, 227 flow [2021-04-28 16:55:15,480 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 289.6666666666667) internal successors, (869), 3 states have internal predecessors, (869), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:55:15,481 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 16:55:15,481 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 16:55:15,481 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-28 16:55:15,481 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 16:55:15,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 16:55:15,481 INFO L82 PathProgramCache]: Analyzing trace with hash 275862920, now seen corresponding path program 1 times [2021-04-28 16:55:15,482 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 16:55:15,482 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080283112] [2021-04-28 16:55:15,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 16:55:15,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 16:55:15,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 16:55:15,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 16:55:15,548 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-04-28 16:55:15,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-28 16:55:15,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 16:55:15,562 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080283112] [2021-04-28 16:55:15,562 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 16:55:15,563 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 16:55:15,563 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64638325] [2021-04-28 16:55:15,563 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 16:55:15,563 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 16:55:15,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 16:55:15,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-28 16:55:15,566 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 237 out of 420 [2021-04-28 16:55:15,568 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 59 transitions, 227 flow. Second operand has 4 states, 4 states have (on average 238.0) internal successors, (952), 4 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:55:15,568 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 16:55:15,568 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 237 of 420 [2021-04-28 16:55:15,569 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 16:55:15,697 INFO L129 PetriNetUnfolder]: 151/515 cut-off events. [2021-04-28 16:55:15,697 INFO L130 PetriNetUnfolder]: For 271/491 co-relation queries the response was YES. [2021-04-28 16:55:15,700 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1359 conditions, 515 events. 151/515 cut-off events. For 271/491 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 3453 event pairs, 64 based on Foata normal form. 12/364 useless extension candidates. Maximal degree in co-relation 1343. Up to 224 conditions per place. [2021-04-28 16:55:15,705 INFO L132 encePairwiseOnDemand]: 411/420 looper letters, 13 selfloop transitions, 18 changer transitions 0/69 dead transitions. [2021-04-28 16:55:15,705 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 69 transitions, 351 flow [2021-04-28 16:55:15,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 16:55:15,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 16:55:15,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 970 transitions. [2021-04-28 16:55:15,710 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5773809523809523 [2021-04-28 16:55:15,710 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 970 transitions. [2021-04-28 16:55:15,710 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 970 transitions. [2021-04-28 16:55:15,711 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 16:55:15,711 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 970 transitions. [2021-04-28 16:55:15,714 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 242.5) internal successors, (970), 4 states have internal predecessors, (970), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:55:15,719 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 420.0) internal successors, (2100), 5 states have internal predecessors, (2100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:55:15,721 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 420.0) internal successors, (2100), 5 states have internal predecessors, (2100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:55:15,721 INFO L185 Difference]: Start difference. First operand has 66 places, 59 transitions, 227 flow. Second operand 4 states and 970 transitions. [2021-04-28 16:55:15,721 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 69 transitions, 351 flow [2021-04-28 16:55:15,725 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 69 transitions, 339 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 16:55:15,727 INFO L241 Difference]: Finished difference. Result has 69 places, 65 transitions, 322 flow [2021-04-28 16:55:15,727 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=420, PETRI_DIFFERENCE_MINUEND_FLOW=219, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=322, PETRI_PLACES=69, PETRI_TRANSITIONS=65} [2021-04-28 16:55:15,727 INFO L343 CegarLoopForPetriNet]: 155 programPoint places, -86 predicate places. [2021-04-28 16:55:15,727 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 16:55:15,727 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 69 places, 65 transitions, 322 flow [2021-04-28 16:55:15,728 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 69 places, 65 transitions, 322 flow [2021-04-28 16:55:15,728 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 69 places, 65 transitions, 322 flow [2021-04-28 16:55:15,807 INFO L129 PetriNetUnfolder]: 151/534 cut-off events. [2021-04-28 16:55:15,807 INFO L130 PetriNetUnfolder]: For 458/517 co-relation queries the response was YES. [2021-04-28 16:55:15,810 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1322 conditions, 534 events. 151/534 cut-off events. For 458/517 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 3786 event pairs, 62 based on Foata normal form. 0/349 useless extension candidates. Maximal degree in co-relation 1306. Up to 224 conditions per place. [2021-04-28 16:55:15,822 INFO L146 LiptonReduction]: Number of co-enabled transitions 2052 [2021-04-28 16:55:16,047 INFO L158 LiptonReduction]: Checked pairs total: 864 [2021-04-28 16:55:16,047 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 16:55:16,047 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 320 [2021-04-28 16:55:16,049 INFO L480 AbstractCegarLoop]: Abstraction has has 69 places, 65 transitions, 322 flow [2021-04-28 16:55:16,050 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 238.0) internal successors, (952), 4 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:55:16,050 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 16:55:16,050 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 16:55:16,050 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-28 16:55:16,050 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 16:55:16,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 16:55:16,051 INFO L82 PathProgramCache]: Analyzing trace with hash -712783024, now seen corresponding path program 1 times [2021-04-28 16:55:16,051 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 16:55:16,051 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939006614] [2021-04-28 16:55:16,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 16:55:16,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 16:55:16,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 16:55:16,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 16:55:16,175 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 16:55:16,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 16:55:16,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 16:55:16,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 16:55:16,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 16:55:16,185 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939006614] [2021-04-28 16:55:16,185 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 16:55:16,185 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 16:55:16,186 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853225319] [2021-04-28 16:55:16,186 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 16:55:16,186 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 16:55:16,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 16:55:16,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 16:55:16,189 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 323 out of 420 [2021-04-28 16:55:16,191 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 65 transitions, 322 flow. Second operand has 4 states, 4 states have (on average 323.75) internal successors, (1295), 4 states have internal predecessors, (1295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:55:16,191 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 16:55:16,192 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 323 of 420 [2021-04-28 16:55:16,192 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 16:55:23,654 INFO L129 PetriNetUnfolder]: 49559/74901 cut-off events. [2021-04-28 16:55:23,654 INFO L130 PetriNetUnfolder]: For 4614/4740 co-relation queries the response was YES. [2021-04-28 16:55:24,084 INFO L84 FinitePrefix]: Finished finitePrefix Result has 152546 conditions, 74901 events. 49559/74901 cut-off events. For 4614/4740 co-relation queries the response was YES. Maximal size of possible extension queue 11016. Compared 716737 event pairs, 25578 based on Foata normal form. 1435/22359 useless extension candidates. Maximal degree in co-relation 152528. Up to 47638 conditions per place. [2021-04-28 16:55:24,454 INFO L132 encePairwiseOnDemand]: 400/420 looper letters, 34 selfloop transitions, 33 changer transitions 0/109 dead transitions. [2021-04-28 16:55:24,454 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 109 transitions, 544 flow [2021-04-28 16:55:24,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 16:55:24,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 16:55:24,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1681 transitions. [2021-04-28 16:55:24,460 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8004761904761905 [2021-04-28 16:55:24,460 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1681 transitions. [2021-04-28 16:55:24,460 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1681 transitions. [2021-04-28 16:55:24,462 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 16:55:24,462 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1681 transitions. [2021-04-28 16:55:24,468 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 336.2) internal successors, (1681), 5 states have internal predecessors, (1681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:55:24,473 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 420.0) internal successors, (2520), 6 states have internal predecessors, (2520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:55:24,475 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 420.0) internal successors, (2520), 6 states have internal predecessors, (2520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:55:24,475 INFO L185 Difference]: Start difference. First operand has 69 places, 65 transitions, 322 flow. Second operand 5 states and 1681 transitions. [2021-04-28 16:55:24,475 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 109 transitions, 544 flow [2021-04-28 16:55:24,493 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 109 transitions, 544 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-28 16:55:24,495 INFO L241 Difference]: Finished difference. Result has 76 places, 96 transitions, 568 flow [2021-04-28 16:55:24,496 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=420, PETRI_DIFFERENCE_MINUEND_FLOW=322, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=568, PETRI_PLACES=76, PETRI_TRANSITIONS=96} [2021-04-28 16:55:24,496 INFO L343 CegarLoopForPetriNet]: 155 programPoint places, -79 predicate places. [2021-04-28 16:55:24,496 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 16:55:24,496 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 76 places, 96 transitions, 568 flow [2021-04-28 16:55:24,497 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 76 places, 96 transitions, 568 flow [2021-04-28 16:55:24,497 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 76 places, 96 transitions, 568 flow [2021-04-28 16:55:29,611 INFO L129 PetriNetUnfolder]: 38419/58491 cut-off events. [2021-04-28 16:55:29,612 INFO L130 PetriNetUnfolder]: For 13410/397581 co-relation queries the response was YES. [2021-04-28 16:55:29,850 INFO L84 FinitePrefix]: Finished finitePrefix Result has 167286 conditions, 58491 events. 38419/58491 cut-off events. For 13410/397581 co-relation queries the response was YES. Maximal size of possible extension queue 10529. Compared 558829 event pairs, 21237 based on Foata normal form. 36/16426 useless extension candidates. Maximal degree in co-relation 167265. Up to 54938 conditions per place. [2021-04-28 16:55:30,692 INFO L146 LiptonReduction]: Number of co-enabled transitions 3180 [2021-04-28 16:55:36,303 INFO L158 LiptonReduction]: Checked pairs total: 1365 [2021-04-28 16:55:36,303 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 16:55:36,303 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 11807 [2021-04-28 16:55:36,305 INFO L480 AbstractCegarLoop]: Abstraction has has 76 places, 96 transitions, 568 flow [2021-04-28 16:55:36,305 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 323.75) internal successors, (1295), 4 states have internal predecessors, (1295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:55:36,306 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 16:55:36,306 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 16:55:36,306 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-28 16:55:36,306 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 16:55:36,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 16:55:36,307 INFO L82 PathProgramCache]: Analyzing trace with hash -1774019108, now seen corresponding path program 1 times [2021-04-28 16:55:36,307 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 16:55:36,307 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265461248] [2021-04-28 16:55:36,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 16:55:36,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 16:55:36,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 16:55:36,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 16:55:36,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 16:55:36,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 16:55:36,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 16:55:36,364 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265461248] [2021-04-28 16:55:36,364 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 16:55:36,364 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 16:55:36,364 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747879853] [2021-04-28 16:55:36,365 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 16:55:36,365 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 16:55:36,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 16:55:36,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 16:55:36,367 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 274 out of 420 [2021-04-28 16:55:36,368 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 96 transitions, 568 flow. Second operand has 3 states, 3 states have (on average 275.0) internal successors, (825), 3 states have internal predecessors, (825), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:55:36,368 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 16:55:36,368 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 274 of 420 [2021-04-28 16:55:36,368 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 16:55:45,085 INFO L129 PetriNetUnfolder]: 61911/94377 cut-off events. [2021-04-28 16:55:45,085 INFO L130 PetriNetUnfolder]: For 28817/165102 co-relation queries the response was YES. [2021-04-28 16:55:45,449 INFO L84 FinitePrefix]: Finished finitePrefix Result has 271041 conditions, 94377 events. 61911/94377 cut-off events. For 28817/165102 co-relation queries the response was YES. Maximal size of possible extension queue 13194. Compared 940335 event pairs, 34567 based on Foata normal form. 616/27885 useless extension candidates. Maximal degree in co-relation 271018. Up to 89228 conditions per place. [2021-04-28 16:55:45,804 INFO L132 encePairwiseOnDemand]: 417/420 looper letters, 4 selfloop transitions, 8 changer transitions 0/96 dead transitions. [2021-04-28 16:55:45,804 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 96 transitions, 592 flow [2021-04-28 16:55:45,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 16:55:45,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 16:55:45,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 828 transitions. [2021-04-28 16:55:45,808 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6571428571428571 [2021-04-28 16:55:45,808 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 828 transitions. [2021-04-28 16:55:45,808 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 828 transitions. [2021-04-28 16:55:45,809 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 16:55:45,809 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 828 transitions. [2021-04-28 16:55:45,811 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 276.0) internal successors, (828), 3 states have internal predecessors, (828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:55:45,814 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 420.0) internal successors, (1680), 4 states have internal predecessors, (1680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:55:45,815 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 420.0) internal successors, (1680), 4 states have internal predecessors, (1680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:55:45,815 INFO L185 Difference]: Start difference. First operand has 76 places, 96 transitions, 568 flow. Second operand 3 states and 828 transitions. [2021-04-28 16:55:45,815 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 96 transitions, 592 flow [2021-04-28 16:55:46,011 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 96 transitions, 592 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-28 16:55:46,013 INFO L241 Difference]: Finished difference. Result has 79 places, 96 transitions, 594 flow [2021-04-28 16:55:46,014 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=420, PETRI_DIFFERENCE_MINUEND_FLOW=568, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=96, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=594, PETRI_PLACES=79, PETRI_TRANSITIONS=96} [2021-04-28 16:55:46,014 INFO L343 CegarLoopForPetriNet]: 155 programPoint places, -76 predicate places. [2021-04-28 16:55:46,014 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 16:55:46,014 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 96 transitions, 594 flow [2021-04-28 16:55:46,014 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 79 places, 96 transitions, 594 flow [2021-04-28 16:55:46,015 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 79 places, 96 transitions, 594 flow [2021-04-28 16:55:52,890 INFO L129 PetriNetUnfolder]: 53555/80402 cut-off events. [2021-04-28 16:55:52,890 INFO L130 PetriNetUnfolder]: For 18690/719667 co-relation queries the response was YES. [2021-04-28 16:55:53,221 INFO L84 FinitePrefix]: Finished finitePrefix Result has 230296 conditions, 80402 events. 53555/80402 cut-off events. For 18690/719667 co-relation queries the response was YES. Maximal size of possible extension queue 15302. Compared 780481 event pairs, 30036 based on Foata normal form. 36/21995 useless extension candidates. Maximal degree in co-relation 230273. Up to 76250 conditions per place. [2021-04-28 16:55:54,091 INFO L146 LiptonReduction]: Number of co-enabled transitions 3178 [2021-04-28 16:55:58,191 INFO L158 LiptonReduction]: Checked pairs total: 1365 [2021-04-28 16:55:58,192 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 16:55:58,192 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 12178 [2021-04-28 16:55:58,193 INFO L480 AbstractCegarLoop]: Abstraction has has 79 places, 96 transitions, 594 flow [2021-04-28 16:55:58,194 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 275.0) internal successors, (825), 3 states have internal predecessors, (825), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:55:58,194 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 16:55:58,194 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 16:55:58,195 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-04-28 16:55:58,195 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 16:55:58,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 16:55:58,195 INFO L82 PathProgramCache]: Analyzing trace with hash -1737839820, now seen corresponding path program 1 times [2021-04-28 16:55:58,196 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 16:55:58,196 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637800839] [2021-04-28 16:55:58,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 16:55:58,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 16:55:58,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 16:55:58,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 16:55:58,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 16:55:58,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 16:55:58,333 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 16:55:58,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 16:55:58,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 16:55:58,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 16:55:58,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 16:55:58,344 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637800839] [2021-04-28 16:55:58,344 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 16:55:58,344 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 16:55:58,344 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703289563] [2021-04-28 16:55:58,345 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 16:55:58,345 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 16:55:58,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 16:55:58,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 16:55:58,348 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 323 out of 420 [2021-04-28 16:55:58,350 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 96 transitions, 594 flow. Second operand has 5 states, 5 states have (on average 323.8) internal successors, (1619), 5 states have internal predecessors, (1619), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:55:58,351 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 16:55:58,351 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 323 of 420 [2021-04-28 16:55:58,351 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 16:56:10,904 INFO L129 PetriNetUnfolder]: 74310/118284 cut-off events. [2021-04-28 16:56:10,904 INFO L130 PetriNetUnfolder]: For 43218/790637 co-relation queries the response was YES. [2021-04-28 16:56:11,408 INFO L84 FinitePrefix]: Finished finitePrefix Result has 454422 conditions, 118284 events. 74310/118284 cut-off events. For 43218/790637 co-relation queries the response was YES. Maximal size of possible extension queue 17634. Compared 1252537 event pairs, 13795 based on Foata normal form. 2451/39648 useless extension candidates. Maximal degree in co-relation 454397. Up to 109946 conditions per place. [2021-04-28 16:56:12,052 INFO L132 encePairwiseOnDemand]: 400/420 looper letters, 35 selfloop transitions, 64 changer transitions 0/141 dead transitions. [2021-04-28 16:56:12,052 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 141 transitions, 1041 flow [2021-04-28 16:56:12,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-28 16:56:12,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-28 16:56:12,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 2357 transitions. [2021-04-28 16:56:12,061 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8017006802721088 [2021-04-28 16:56:12,061 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 2357 transitions. [2021-04-28 16:56:12,061 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 2357 transitions. [2021-04-28 16:56:12,063 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 16:56:12,063 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 2357 transitions. [2021-04-28 16:56:12,070 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 336.7142857142857) internal successors, (2357), 7 states have internal predecessors, (2357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:56:12,077 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 420.0) internal successors, (3360), 8 states have internal predecessors, (3360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:56:12,078 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 420.0) internal successors, (3360), 8 states have internal predecessors, (3360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:56:12,078 INFO L185 Difference]: Start difference. First operand has 79 places, 96 transitions, 594 flow. Second operand 7 states and 2357 transitions. [2021-04-28 16:56:12,079 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 141 transitions, 1041 flow [2021-04-28 16:56:12,283 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 141 transitions, 1031 flow, removed 1 selfloop flow, removed 1 redundant places. [2021-04-28 16:56:12,287 INFO L241 Difference]: Finished difference. Result has 87 places, 127 transitions, 1026 flow [2021-04-28 16:56:12,288 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=420, PETRI_DIFFERENCE_MINUEND_FLOW=584, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=96, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1026, PETRI_PLACES=87, PETRI_TRANSITIONS=127} [2021-04-28 16:56:12,288 INFO L343 CegarLoopForPetriNet]: 155 programPoint places, -68 predicate places. [2021-04-28 16:56:12,288 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 16:56:12,288 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 87 places, 127 transitions, 1026 flow [2021-04-28 16:56:12,289 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 87 places, 127 transitions, 1026 flow [2021-04-28 16:56:12,290 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 87 places, 127 transitions, 1026 flow [2021-04-28 16:56:22,855 INFO L129 PetriNetUnfolder]: 59114/94138 cut-off events. [2021-04-28 16:56:22,856 INFO L130 PetriNetUnfolder]: For 103740/6447852 co-relation queries the response was YES. [2021-04-28 16:56:23,744 INFO L84 FinitePrefix]: Finished finitePrefix Result has 446123 conditions, 94138 events. 59114/94138 cut-off events. For 103740/6447852 co-relation queries the response was YES. Maximal size of possible extension queue 19029. Compared 1020728 event pairs, 12731 based on Foata normal form. 55/26270 useless extension candidates. Maximal degree in co-relation 446096. Up to 89576 conditions per place. [2021-04-28 16:56:24,557 INFO L146 LiptonReduction]: Number of co-enabled transitions 4490 [2021-04-28 16:56:34,472 INFO L158 LiptonReduction]: Checked pairs total: 2412 [2021-04-28 16:56:34,472 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 16:56:34,472 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 22184 [2021-04-28 16:56:34,474 INFO L480 AbstractCegarLoop]: Abstraction has has 87 places, 127 transitions, 1026 flow [2021-04-28 16:56:34,475 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 323.8) internal successors, (1619), 5 states have internal predecessors, (1619), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:56:34,475 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 16:56:34,475 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 16:56:34,475 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-04-28 16:56:34,475 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 16:56:34,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 16:56:34,476 INFO L82 PathProgramCache]: Analyzing trace with hash 1947785677, now seen corresponding path program 1 times [2021-04-28 16:56:34,476 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 16:56:34,476 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831073081] [2021-04-28 16:56:34,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 16:56:34,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 16:56:34,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 16:56:34,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 16:56:34,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 16:56:34,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 16:56:34,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 16:56:34,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 16:56:34,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 16:56:34,550 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831073081] [2021-04-28 16:56:34,550 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 16:56:34,550 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 16:56:34,550 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781956827] [2021-04-28 16:56:34,551 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 16:56:34,551 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 16:56:34,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 16:56:34,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 16:56:34,553 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 248 out of 420 [2021-04-28 16:56:34,554 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 127 transitions, 1026 flow. Second operand has 4 states, 4 states have (on average 249.25) internal successors, (997), 4 states have internal predecessors, (997), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:56:34,554 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 16:56:34,555 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 248 of 420 [2021-04-28 16:56:34,555 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 16:56:58,441 INFO L129 PetriNetUnfolder]: 121448/191813 cut-off events. [2021-04-28 16:56:58,441 INFO L130 PetriNetUnfolder]: For 185149/4936905 co-relation queries the response was YES. [2021-04-28 16:56:59,432 INFO L84 FinitePrefix]: Finished finitePrefix Result has 910875 conditions, 191813 events. 121448/191813 cut-off events. For 185149/4936905 co-relation queries the response was YES. Maximal size of possible extension queue 31560. Compared 2115840 event pairs, 25858 based on Foata normal form. 470/56261 useless extension candidates. Maximal degree in co-relation 910846. Up to 183944 conditions per place. [2021-04-28 16:57:00,328 INFO L132 encePairwiseOnDemand]: 417/420 looper letters, 12 selfloop transitions, 4 changer transitions 0/133 dead transitions. [2021-04-28 16:57:00,328 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 133 transitions, 1109 flow [2021-04-28 16:57:00,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 16:57:00,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 16:57:00,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1000 transitions. [2021-04-28 16:57:00,332 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5952380952380952 [2021-04-28 16:57:00,332 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 1000 transitions. [2021-04-28 16:57:00,332 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 1000 transitions. [2021-04-28 16:57:00,333 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 16:57:00,333 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1000 transitions. [2021-04-28 16:57:00,336 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 250.0) internal successors, (1000), 4 states have internal predecessors, (1000), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:57:00,339 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 420.0) internal successors, (2100), 5 states have internal predecessors, (2100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:57:00,340 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 420.0) internal successors, (2100), 5 states have internal predecessors, (2100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:57:00,340 INFO L185 Difference]: Start difference. First operand has 87 places, 127 transitions, 1026 flow. Second operand 4 states and 1000 transitions. [2021-04-28 16:57:00,341 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 133 transitions, 1109 flow [2021-04-28 16:58:02,682 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 87 places, 133 transitions, 947 flow, removed 54 selfloop flow, removed 3 redundant places. [2021-04-28 16:58:02,684 INFO L241 Difference]: Finished difference. Result has 89 places, 130 transitions, 911 flow [2021-04-28 16:58:02,685 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=420, PETRI_DIFFERENCE_MINUEND_FLOW=864, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=127, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=123, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=911, PETRI_PLACES=89, PETRI_TRANSITIONS=130} [2021-04-28 16:58:02,685 INFO L343 CegarLoopForPetriNet]: 155 programPoint places, -66 predicate places. [2021-04-28 16:58:02,685 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 16:58:02,685 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 89 places, 130 transitions, 911 flow [2021-04-28 16:58:02,686 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 89 places, 130 transitions, 911 flow [2021-04-28 16:58:02,687 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 89 places, 130 transitions, 911 flow [2021-04-28 16:58:24,560 INFO L129 PetriNetUnfolder]: 110052/171275 cut-off events. [2021-04-28 16:58:24,560 INFO L130 PetriNetUnfolder]: For 206526/5964101 co-relation queries the response was YES. [2021-04-28 16:58:25,480 INFO L84 FinitePrefix]: Finished finitePrefix Result has 761208 conditions, 171275 events. 110052/171275 cut-off events. For 206526/5964101 co-relation queries the response was YES. Maximal size of possible extension queue 33186. Compared 1893434 event pairs, 24348 based on Foata normal form. 75/47533 useless extension candidates. Maximal degree in co-relation 761180. Up to 145858 conditions per place. [2021-04-28 16:58:27,337 INFO L146 LiptonReduction]: Number of co-enabled transitions 4748 [2021-04-28 17:00:05,448 INFO L158 LiptonReduction]: Checked pairs total: 4276 [2021-04-28 17:00:05,449 INFO L160 LiptonReduction]: Total number of compositions: 1 [2021-04-28 17:00:05,449 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 122764 [2021-04-28 17:00:05,450 INFO L480 AbstractCegarLoop]: Abstraction has has 90 places, 131 transitions, 919 flow [2021-04-28 17:00:05,451 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 249.25) internal successors, (997), 4 states have internal predecessors, (997), 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 17:00:05,451 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 17:00:05,451 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 17:00:05,452 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-04-28 17:00:05,452 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 17:00:05,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 17:00:05,452 INFO L82 PathProgramCache]: Analyzing trace with hash -1702088465, now seen corresponding path program 1 times [2021-04-28 17:00:05,452 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 17:00:05,453 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516996017] [2021-04-28 17:00:05,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 17:00:05,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 17:00:05,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:00:05,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 17:00:05,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:00:05,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 17:00:05,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:00:05,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 17:00:05,559 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 17:00:05,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 17:00:05,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:00:05,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 17:00:05,570 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 17:00:05,570 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516996017] [2021-04-28 17:00:05,571 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 17:00:05,571 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-28 17:00:05,571 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893510372] [2021-04-28 17:00:05,571 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 17:00:05,571 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 17:00:05,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 17:00:05,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-04-28 17:00:05,575 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 324 out of 421 [2021-04-28 17:00:05,577 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 131 transitions, 919 flow. Second operand has 6 states, 6 states have (on average 324.8333333333333) internal successors, (1949), 6 states have internal predecessors, (1949), 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 17:00:05,577 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 17:00:05,577 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 324 of 421 [2021-04-28 17:00:05,577 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 17:00:39,786 INFO L129 PetriNetUnfolder]: 129036/213905 cut-off events. [2021-04-28 17:00:39,786 INFO L130 PetriNetUnfolder]: For 274861/7184535 co-relation queries the response was YES. [2021-04-28 17:00:40,965 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1142630 conditions, 213905 events. 129036/213905 cut-off events. For 274861/7184535 co-relation queries the response was YES. Maximal size of possible extension queue 35415. Compared 2535662 event pairs, 4090 based on Foata normal form. 4450/68561 useless extension candidates. Maximal degree in co-relation 1142600. Up to 176356 conditions per place. [2021-04-28 17:00:41,463 INFO L132 encePairwiseOnDemand]: 401/421 looper letters, 24 selfloop transitions, 95 changer transitions 12/177 dead transitions. [2021-04-28 17:00:41,463 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 177 transitions, 1590 flow [2021-04-28 17:00:41,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-28 17:00:41,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-28 17:00:41,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 3042 transitions. [2021-04-28 17:00:41,478 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8028503562945368 [2021-04-28 17:00:41,478 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 3042 transitions. [2021-04-28 17:00:41,478 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 3042 transitions. [2021-04-28 17:00:41,480 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 17:00:41,481 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 3042 transitions. [2021-04-28 17:00:41,489 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 338.0) internal successors, (3042), 9 states have internal predecessors, (3042), 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 17:00:41,501 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 421.0) internal successors, (4210), 10 states have internal predecessors, (4210), 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 17:00:41,502 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 421.0) internal successors, (4210), 10 states have internal predecessors, (4210), 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 17:00:41,502 INFO L185 Difference]: Start difference. First operand has 90 places, 131 transitions, 919 flow. Second operand 9 states and 3042 transitions. [2021-04-28 17:00:41,502 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 177 transitions, 1590 flow [2021-04-28 17:01:44,450 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 177 transitions, 1579 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-04-28 17:01:44,453 INFO L241 Difference]: Finished difference. Result has 99 places, 162 transitions, 1498 flow [2021-04-28 17:01:44,453 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=421, PETRI_DIFFERENCE_MINUEND_FLOW=908, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=131, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=76, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1498, PETRI_PLACES=99, PETRI_TRANSITIONS=162} [2021-04-28 17:01:44,453 INFO L343 CegarLoopForPetriNet]: 155 programPoint places, -56 predicate places. [2021-04-28 17:01:44,453 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 17:01:44,454 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 99 places, 162 transitions, 1498 flow [2021-04-28 17:01:44,454 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 99 places, 162 transitions, 1498 flow [2021-04-28 17:01:44,455 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 99 places, 162 transitions, 1498 flow [2021-04-28 17:02:05,459 INFO L129 PetriNetUnfolder]: 86643/154921 cut-off events. [2021-04-28 17:02:05,460 INFO L130 PetriNetUnfolder]: For 462554/6364821 co-relation queries the response was YES. [2021-04-28 17:02:06,899 INFO L84 FinitePrefix]: Finished finitePrefix Result has 899811 conditions, 154921 events. 86643/154921 cut-off events. For 462554/6364821 co-relation queries the response was YES. Maximal size of possible extension queue 32978. Compared 2041578 event pairs, 3996 based on Foata normal form. 3/43377 useless extension candidates. Maximal degree in co-relation 899780. Up to 125119 conditions per place. [2021-04-28 17:02:08,621 INFO L146 LiptonReduction]: Number of co-enabled transitions 5624 [2021-04-28 17:03:34,606 INFO L158 LiptonReduction]: Checked pairs total: 3100 [2021-04-28 17:03:34,607 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 17:03:34,607 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 110154 [2021-04-28 17:03:34,608 INFO L480 AbstractCegarLoop]: Abstraction has has 99 places, 162 transitions, 1498 flow [2021-04-28 17:03:34,609 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 324.8333333333333) internal successors, (1949), 6 states have internal predecessors, (1949), 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 17:03:34,610 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 17:03:34,610 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 17:03:34,610 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-04-28 17:03:34,610 INFO L428 AbstractCegarLoop]: === Iteration 11 === [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 17:03:34,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 17:03:34,610 INFO L82 PathProgramCache]: Analyzing trace with hash 1306928307, now seen corresponding path program 1 times [2021-04-28 17:03:34,611 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 17:03:34,611 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843943749] [2021-04-28 17:03:34,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 17:03:34,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 17:03:34,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:03:34,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 17:03:34,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:03:34,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 17:03:34,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:03:34,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 17:03:34,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:03:34,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 17:03:34,724 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 17:03:34,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 17:03:34,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:03:34,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 17:03:34,736 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 17:03:34,736 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843943749] [2021-04-28 17:03:34,737 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 17:03:34,737 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-28 17:03:34,737 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394621285] [2021-04-28 17:03:34,737 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-28 17:03:34,737 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 17:03:34,738 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-28 17:03:34,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-28 17:03:34,741 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 324 out of 421 [2021-04-28 17:03:34,743 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 162 transitions, 1498 flow. Second operand has 7 states, 7 states have (on average 324.85714285714283) internal successors, (2274), 7 states have internal predecessors, (2274), 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 17:03:34,743 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 17:03:34,743 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 324 of 421 [2021-04-28 17:03:34,743 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 17:04:03,983 INFO L129 PetriNetUnfolder]: 93909/169733 cut-off events. [2021-04-28 17:04:03,984 INFO L130 PetriNetUnfolder]: For 480182/12851121 co-relation queries the response was YES. [2021-04-28 17:04:05,114 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1141953 conditions, 169733 events. 93909/169733 cut-off events. For 480182/12851121 co-relation queries the response was YES. Maximal size of possible extension queue 33363. Compared 2210188 event pairs, 67 based on Foata normal form. 3120/52381 useless extension candidates. Maximal degree in co-relation 1141920. Up to 133912 conditions per place. [2021-04-28 17:04:05,308 INFO L132 encePairwiseOnDemand]: 401/421 looper letters, 6 selfloop transitions, 113 changer transitions 31/185 dead transitions. [2021-04-28 17:04:05,308 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 109 places, 185 transitions, 1986 flow [2021-04-28 17:04:05,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-04-28 17:04:05,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-04-28 17:04:05,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 3696 transitions. [2021-04-28 17:04:05,318 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7980997624703088 [2021-04-28 17:04:05,318 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 3696 transitions. [2021-04-28 17:04:05,318 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 3696 transitions. [2021-04-28 17:04:05,321 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 17:04:05,321 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 3696 transitions. [2021-04-28 17:04:05,328 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 336.0) internal successors, (3696), 11 states have internal predecessors, (3696), 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 17:04:05,337 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 421.0) internal successors, (5052), 12 states have internal predecessors, (5052), 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 17:04:05,338 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 421.0) internal successors, (5052), 12 states have internal predecessors, (5052), 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 17:04:05,339 INFO L185 Difference]: Start difference. First operand has 99 places, 162 transitions, 1498 flow. Second operand 11 states and 3696 transitions. [2021-04-28 17:04:05,339 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 109 places, 185 transitions, 1986 flow Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown