/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/safe008_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-26 00:37:49,322 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-26 00:37:49,324 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-26 00:37:49,351 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-03-26 00:37:49,372 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-26 00:37:49,374 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-26 00:37:49,374 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-26 00:37:49,375 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-26 00:37:49,377 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-26 00:37:49,378 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-26 00:37:49,379 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-26 00:37:49,385 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-26 00:37:49,386 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-26 00:37:49,387 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-26 00:37:49,387 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-26 00:37:49,388 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-26 00:37:49,393 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-26 00:37:49,398 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-26 00:37:49,398 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-26 00:37:49,399 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-26 00:37:49,402 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 [2021-03-26 00:37:49,427 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-26 00:37:49,427 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-26 00:37:49,430 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-26 00:37:49,430 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-26 00:37:49,430 INFO L138 SettingsManager]: * Use SBE=true [2021-03-26 00:37:49,430 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-26 00:37:49,430 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-26 00:37:49,430 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-26 00:37:49,430 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-26 00:37:49,430 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-26 00:37:49,431 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-26 00:37:49,431 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-26 00:37:49,431 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-26 00:37:49,431 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-26 00:37:49,431 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-26 00:37:49,431 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-26 00:37:49,431 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-26 00:37:49,432 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-26 00:37:49,432 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-26 00:37:49,432 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-26 00:37:49,432 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-26 00:37:49,432 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-26 00:37:49,432 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-26 00:37:49,432 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-26 00:37:49,432 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-26 00:37:49,432 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-26 00:37:49,433 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-26 00:37:49,433 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-03-26 00:37:49,433 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-26 00:37:49,433 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-26 00:37:49,433 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-26 00:37:49,656 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-26 00:37:49,677 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-26 00:37:49,678 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-26 00:37:49,679 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-26 00:37:49,680 INFO L275 PluginConnector]: CDTParser initialized [2021-03-26 00:37:49,680 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe008_tso.opt.i [2021-03-26 00:37:49,727 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b3efba5d/6ee4aa6a1c194e67b1488740ae9401c0/FLAG9e771a087 [2021-03-26 00:37:50,183 INFO L306 CDTParser]: Found 1 translation units. [2021-03-26 00:37:50,184 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe008_tso.opt.i [2021-03-26 00:37:50,191 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b3efba5d/6ee4aa6a1c194e67b1488740ae9401c0/FLAG9e771a087 [2021-03-26 00:37:50,209 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b3efba5d/6ee4aa6a1c194e67b1488740ae9401c0 [2021-03-26 00:37:50,210 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-26 00:37:50,211 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-26 00:37:50,212 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-26 00:37:50,212 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-26 00:37:50,214 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-26 00:37:50,215 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.03 12:37:50" (1/1) ... [2021-03-26 00:37:50,215 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2320f078 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:37:50, skipping insertion in model container [2021-03-26 00:37:50,215 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.03 12:37:50" (1/1) ... [2021-03-26 00:37:50,219 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-26 00:37:50,251 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-26 00:37:50,338 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/safe008_tso.opt.i[949,962] [2021-03-26 00:37:50,447 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-26 00:37:50,453 INFO L203 MainTranslator]: Completed pre-run [2021-03-26 00:37:50,465 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/safe008_tso.opt.i[949,962] [2021-03-26 00:37:50,490 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-26 00:37:50,535 INFO L208 MainTranslator]: Completed translation [2021-03-26 00:37:50,535 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:37:50 WrapperNode [2021-03-26 00:37:50,535 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-26 00:37:50,536 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-26 00:37:50,536 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-26 00:37:50,536 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-26 00:37:50,540 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:37:50" (1/1) ... [2021-03-26 00:37:50,548 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:37:50" (1/1) ... [2021-03-26 00:37:50,559 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-26 00:37:50,559 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-26 00:37:50,559 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-26 00:37:50,559 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-26 00:37:50,563 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:37:50" (1/1) ... [2021-03-26 00:37:50,563 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:37:50" (1/1) ... [2021-03-26 00:37:50,565 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:37:50" (1/1) ... [2021-03-26 00:37:50,565 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:37:50" (1/1) ... [2021-03-26 00:37:50,568 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:37:50" (1/1) ... [2021-03-26 00:37:50,569 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:37:50" (1/1) ... [2021-03-26 00:37:50,570 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:37:50" (1/1) ... [2021-03-26 00:37:50,571 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-26 00:37:50,572 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-26 00:37:50,572 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-26 00:37:50,572 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-26 00:37:50,572 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:37:50" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-26 00:37:50,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-26 00:37:50,643 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-26 00:37:50,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-26 00:37:50,643 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-26 00:37:50,644 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-03-26 00:37:50,644 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-03-26 00:37:50,644 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-03-26 00:37:50,645 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-03-26 00:37:50,645 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-03-26 00:37:50,645 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-03-26 00:37:50,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-26 00:37:50,645 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-26 00:37:50,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-26 00:37:50,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-26 00:37:50,646 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-26 00:37:50,935 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-26 00:37:50,935 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-03-26 00:37:50,936 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 12:37:50 BoogieIcfgContainer [2021-03-26 00:37:50,936 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-26 00:37:50,937 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-26 00:37:50,937 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-26 00:37:50,939 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-26 00:37:50,939 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.03 12:37:50" (1/3) ... [2021-03-26 00:37:50,939 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75a87763 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.03 12:37:50, skipping insertion in model container [2021-03-26 00:37:50,939 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:37:50" (2/3) ... [2021-03-26 00:37:50,940 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75a87763 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.03 12:37:50, skipping insertion in model container [2021-03-26 00:37:50,940 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 12:37:50" (3/3) ... [2021-03-26 00:37:50,940 INFO L111 eAbstractionObserver]: Analyzing ICFG safe008_tso.opt.i [2021-03-26 00:37:50,944 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-26 00:37:50,946 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-26 00:37:50,947 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-26 00:37:50,969 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:37:50,969 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:37:50,969 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:37:50,969 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:37:50,969 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:37:50,969 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:37:50,970 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:37:50,970 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:37:50,970 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:37:50,970 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:37:50,970 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:37:50,970 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:37:50,971 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:37:50,971 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:37:50,971 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:37:50,971 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:37:50,971 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:37:50,971 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:37:50,971 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:37:50,971 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:37:50,972 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:37:50,972 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:37:50,972 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:37:50,972 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:37:50,973 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:37:50,973 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:37:50,973 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:37:50,973 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:37:50,974 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:37:50,974 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:37:50,974 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:37:50,974 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:37:50,974 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:37:50,975 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:37:50,975 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:37:50,975 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:37:50,977 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:37:50,977 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:37:50,977 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:37:50,977 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:37:50,983 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:37:50,983 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:37:50,983 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:37:50,983 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:37:50,987 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:37:50,988 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:37:50,988 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:37:50,988 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:37:50,989 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-26 00:37:51,001 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-03-26 00:37:51,022 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-26 00:37:51,022 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-26 00:37:51,022 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-26 00:37:51,022 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-26 00:37:51,022 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-26 00:37:51,022 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-26 00:37:51,023 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-26 00:37:51,023 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-26 00:37:51,031 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 83 places, 75 transitions, 165 flow [2021-03-26 00:37:51,066 INFO L129 PetriNetUnfolder]: 2/72 cut-off events. [2021-03-26 00:37:51,067 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 00:37:51,070 INFO L84 FinitePrefix]: Finished finitePrefix Result has 82 conditions, 72 events. 2/72 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 49 event pairs, 0 based on Foata normal form. 0/69 useless extension candidates. Maximal degree in co-relation 56. Up to 2 conditions per place. [2021-03-26 00:37:51,071 INFO L82 GeneralOperation]: Start removeDead. Operand has 83 places, 75 transitions, 165 flow [2021-03-26 00:37:51,080 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 69 places, 60 transitions, 129 flow [2021-03-26 00:37:51,081 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:37:51,091 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 69 places, 60 transitions, 129 flow [2021-03-26 00:37:51,093 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 69 places, 60 transitions, 129 flow [2021-03-26 00:37:51,095 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 69 places, 60 transitions, 129 flow [2021-03-26 00:37:51,112 INFO L129 PetriNetUnfolder]: 1/60 cut-off events. [2021-03-26 00:37:51,112 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 00:37:51,112 INFO L84 FinitePrefix]: Finished finitePrefix Result has 70 conditions, 60 events. 1/60 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 45 event pairs, 0 based on Foata normal form. 0/59 useless extension candidates. Maximal degree in co-relation 44. Up to 2 conditions per place. [2021-03-26 00:37:51,114 INFO L142 LiptonReduction]: Number of co-enabled transitions 864 [2021-03-26 00:37:52,425 INFO L154 LiptonReduction]: Checked pairs total: 1328 [2021-03-26 00:37:52,425 INFO L156 LiptonReduction]: Total number of compositions: 41 [2021-03-26 00:37:52,427 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1346 [2021-03-26 00:37:52,433 INFO L129 PetriNetUnfolder]: 0/19 cut-off events. [2021-03-26 00:37:52,433 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 00:37:52,433 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:37:52,434 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:37:52,434 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:37:52,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:37:52,437 INFO L82 PathProgramCache]: Analyzing trace with hash 775848287, now seen corresponding path program 1 times [2021-03-26 00:37:52,442 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:37:52,442 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812885273] [2021-03-26 00:37:52,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:37:52,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:37:52,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:37:52,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 00:37:52,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:37:52,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:37:52,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:37:52,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:37:52,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 00:37:52,584 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812885273] [2021-03-26 00:37:52,584 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:37:52,584 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 00:37:52,585 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113655614] [2021-03-26 00:37:52,590 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 00:37:52,591 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:37:52,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 00:37:52,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 00:37:52,604 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 96 out of 116 [2021-03-26 00:37:52,608 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 21 transitions, 51 flow. Second operand has 4 states, 4 states have (on average 96.75) internal successors, (387), 4 states have internal predecessors, (387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:37:52,612 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:37:52,612 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 96 of 116 [2021-03-26 00:37:52,613 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:37:52,642 INFO L129 PetriNetUnfolder]: 6/43 cut-off events. [2021-03-26 00:37:52,643 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 00:37:52,643 INFO L84 FinitePrefix]: Finished finitePrefix Result has 74 conditions, 43 events. 6/43 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 93 event pairs, 2 based on Foata normal form. 4/47 useless extension candidates. Maximal degree in co-relation 61. Up to 15 conditions per place. [2021-03-26 00:37:52,644 INFO L132 encePairwiseOnDemand]: 111/116 looper letters, 4 selfloop transitions, 3 changer transitions 5/28 dead transitions. [2021-03-26 00:37:52,644 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 28 transitions, 89 flow [2021-03-26 00:37:52,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 00:37:52,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 00:37:52,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 494 transitions. [2021-03-26 00:37:52,655 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8517241379310345 [2021-03-26 00:37:52,655 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 494 transitions. [2021-03-26 00:37:52,655 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 494 transitions. [2021-03-26 00:37:52,656 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:37:52,658 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 494 transitions. [2021-03-26 00:37:52,661 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 98.8) internal successors, (494), 5 states have internal predecessors, (494), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:37:52,665 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 116.0) internal successors, (696), 6 states have internal predecessors, (696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:37:52,665 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 116.0) internal successors, (696), 6 states have internal predecessors, (696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:37:52,666 INFO L185 Difference]: Start difference. First operand has 31 places, 21 transitions, 51 flow. Second operand 5 states and 494 transitions. [2021-03-26 00:37:52,667 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 35 places, 28 transitions, 89 flow [2021-03-26 00:37:52,668 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 32 places, 28 transitions, 86 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-03-26 00:37:52,669 INFO L241 Difference]: Finished difference. Result has 35 places, 23 transitions, 75 flow [2021-03-26 00:37:52,670 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=116, PETRI_DIFFERENCE_MINUEND_FLOW=48, PETRI_DIFFERENCE_MINUEND_PLACES=28, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=75, PETRI_PLACES=35, PETRI_TRANSITIONS=23} [2021-03-26 00:37:52,671 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 4 predicate places. [2021-03-26 00:37:52,671 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:37:52,671 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 35 places, 23 transitions, 75 flow [2021-03-26 00:37:52,671 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 35 places, 23 transitions, 75 flow [2021-03-26 00:37:52,671 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 33 places, 23 transitions, 75 flow [2021-03-26 00:37:52,675 INFO L129 PetriNetUnfolder]: 5/35 cut-off events. [2021-03-26 00:37:52,675 INFO L130 PetriNetUnfolder]: For 10/10 co-relation queries the response was YES. [2021-03-26 00:37:52,676 INFO L84 FinitePrefix]: Finished finitePrefix Result has 72 conditions, 35 events. 5/35 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 65 event pairs, 2 based on Foata normal form. 0/35 useless extension candidates. Maximal degree in co-relation 59. Up to 12 conditions per place. [2021-03-26 00:37:52,676 INFO L142 LiptonReduction]: Number of co-enabled transitions 150 [2021-03-26 00:37:52,891 INFO L154 LiptonReduction]: Checked pairs total: 342 [2021-03-26 00:37:52,891 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 00:37:52,891 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 220 [2021-03-26 00:37:52,892 INFO L480 AbstractCegarLoop]: Abstraction has has 31 places, 21 transitions, 71 flow [2021-03-26 00:37:52,893 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 96.75) internal successors, (387), 4 states have internal predecessors, (387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:37:52,893 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:37:52,893 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:37:52,893 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-26 00:37:52,893 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:37:52,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:37:52,893 INFO L82 PathProgramCache]: Analyzing trace with hash -1718529364, now seen corresponding path program 1 times [2021-03-26 00:37:52,893 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:37:52,894 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564777847] [2021-03-26 00:37:52,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:37:52,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:37:52,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:37:52,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:37:52,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:37:52,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:37:52,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 00:37:52,963 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564777847] [2021-03-26 00:37:52,964 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:37:52,965 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-26 00:37:52,965 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204714258] [2021-03-26 00:37:52,965 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 00:37:52,966 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:37:52,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 00:37:52,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 00:37:52,967 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 97 out of 118 [2021-03-26 00:37:52,967 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 21 transitions, 71 flow. Second operand has 4 states, 4 states have (on average 97.75) internal successors, (391), 4 states have internal predecessors, (391), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:37:52,967 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:37:52,968 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 97 of 118 [2021-03-26 00:37:52,968 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:37:52,987 INFO L129 PetriNetUnfolder]: 5/34 cut-off events. [2021-03-26 00:37:52,987 INFO L130 PetriNetUnfolder]: For 21/21 co-relation queries the response was YES. [2021-03-26 00:37:52,988 INFO L84 FinitePrefix]: Finished finitePrefix Result has 85 conditions, 34 events. 5/34 cut-off events. For 21/21 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 60 event pairs, 2 based on Foata normal form. 3/37 useless extension candidates. Maximal degree in co-relation 72. Up to 14 conditions per place. [2021-03-26 00:37:52,989 INFO L132 encePairwiseOnDemand]: 114/118 looper letters, 2 selfloop transitions, 2 changer transitions 2/23 dead transitions. [2021-03-26 00:37:52,989 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 23 transitions, 89 flow [2021-03-26 00:37:52,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 00:37:52,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 00:37:52,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 493 transitions. [2021-03-26 00:37:52,991 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8355932203389831 [2021-03-26 00:37:52,991 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 493 transitions. [2021-03-26 00:37:52,991 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 493 transitions. [2021-03-26 00:37:52,991 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:37:52,991 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 493 transitions. [2021-03-26 00:37:52,996 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 98.6) internal successors, (493), 5 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:37:52,999 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 118.0) internal successors, (708), 6 states have internal predecessors, (708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:37:52,999 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 118.0) internal successors, (708), 6 states have internal predecessors, (708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:37:52,999 INFO L185 Difference]: Start difference. First operand has 31 places, 21 transitions, 71 flow. Second operand 5 states and 493 transitions. [2021-03-26 00:37:52,999 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 35 places, 23 transitions, 89 flow [2021-03-26 00:37:53,002 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 23 transitions, 84 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-03-26 00:37:53,003 INFO L241 Difference]: Finished difference. Result has 36 places, 21 transitions, 78 flow [2021-03-26 00:37:53,003 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=118, PETRI_DIFFERENCE_MINUEND_FLOW=66, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=78, PETRI_PLACES=36, PETRI_TRANSITIONS=21} [2021-03-26 00:37:53,003 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 5 predicate places. [2021-03-26 00:37:53,003 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:37:53,003 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 36 places, 21 transitions, 78 flow [2021-03-26 00:37:53,004 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 36 places, 21 transitions, 78 flow [2021-03-26 00:37:53,004 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 34 places, 21 transitions, 78 flow [2021-03-26 00:37:53,007 INFO L129 PetriNetUnfolder]: 5/35 cut-off events. [2021-03-26 00:37:53,008 INFO L130 PetriNetUnfolder]: For 18/18 co-relation queries the response was YES. [2021-03-26 00:37:53,008 INFO L84 FinitePrefix]: Finished finitePrefix Result has 81 conditions, 35 events. 5/35 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 60 event pairs, 2 based on Foata normal form. 0/35 useless extension candidates. Maximal degree in co-relation 67. Up to 12 conditions per place. [2021-03-26 00:37:53,008 INFO L142 LiptonReduction]: Number of co-enabled transitions 146 [2021-03-26 00:37:53,178 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2021-03-26 00:37:53,375 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2021-03-26 00:37:53,433 INFO L154 LiptonReduction]: Checked pairs total: 228 [2021-03-26 00:37:53,433 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 00:37:53,433 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 430 [2021-03-26 00:37:53,435 INFO L480 AbstractCegarLoop]: Abstraction has has 33 places, 20 transitions, 76 flow [2021-03-26 00:37:53,435 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 97.75) internal successors, (391), 4 states have internal predecessors, (391), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:37:53,435 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:37:53,436 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:37:53,436 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-26 00:37:53,436 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:37:53,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:37:53,436 INFO L82 PathProgramCache]: Analyzing trace with hash 354468743, now seen corresponding path program 1 times [2021-03-26 00:37:53,436 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:37:53,436 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612684496] [2021-03-26 00:37:53,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:37:53,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:37:53,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:37:53,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:37:53,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:37:53,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:37:53,498 INFO L142 QuantifierPusher]: treesize reduction 3, result has 81.3 percent of original size [2021-03-26 00:37:53,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 00:37:53,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:37:53,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:37:53,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 00:37:53,508 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612684496] [2021-03-26 00:37:53,508 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:37:53,508 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-26 00:37:53,508 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938707233] [2021-03-26 00:37:53,508 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 00:37:53,508 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:37:53,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 00:37:53,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-03-26 00:37:53,510 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 85 out of 119 [2021-03-26 00:37:53,510 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 20 transitions, 76 flow. Second operand has 6 states, 6 states have (on average 85.83333333333333) internal successors, (515), 6 states have internal predecessors, (515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:37:53,510 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:37:53,510 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 85 of 119 [2021-03-26 00:37:53,510 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:37:53,554 INFO L129 PetriNetUnfolder]: 28/99 cut-off events. [2021-03-26 00:37:53,554 INFO L130 PetriNetUnfolder]: For 107/121 co-relation queries the response was YES. [2021-03-26 00:37:53,555 INFO L84 FinitePrefix]: Finished finitePrefix Result has 276 conditions, 99 events. 28/99 cut-off events. For 107/121 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 395 event pairs, 7 based on Foata normal form. 14/109 useless extension candidates. Maximal degree in co-relation 261. Up to 42 conditions per place. [2021-03-26 00:37:53,555 INFO L132 encePairwiseOnDemand]: 112/119 looper letters, 7 selfloop transitions, 6 changer transitions 17/40 dead transitions. [2021-03-26 00:37:53,555 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 40 transitions, 241 flow [2021-03-26 00:37:53,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 00:37:53,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 00:37:53,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 794 transitions. [2021-03-26 00:37:53,557 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7413632119514473 [2021-03-26 00:37:53,557 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 794 transitions. [2021-03-26 00:37:53,557 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 794 transitions. [2021-03-26 00:37:53,557 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:37:53,557 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 794 transitions. [2021-03-26 00:37:53,559 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 88.22222222222223) internal successors, (794), 9 states have internal predecessors, (794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:37:53,560 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 119.0) internal successors, (1190), 10 states have internal predecessors, (1190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:37:53,561 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 119.0) internal successors, (1190), 10 states have internal predecessors, (1190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:37:53,561 INFO L185 Difference]: Start difference. First operand has 33 places, 20 transitions, 76 flow. Second operand 9 states and 794 transitions. [2021-03-26 00:37:53,561 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 40 transitions, 241 flow [2021-03-26 00:37:53,562 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 40 transitions, 215 flow, removed 10 selfloop flow, removed 4 redundant places. [2021-03-26 00:37:53,562 INFO L241 Difference]: Finished difference. Result has 44 places, 20 transitions, 99 flow [2021-03-26 00:37:53,562 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=66, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=20, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=99, PETRI_PLACES=44, PETRI_TRANSITIONS=20} [2021-03-26 00:37:53,562 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 13 predicate places. [2021-03-26 00:37:53,562 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:37:53,563 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 44 places, 20 transitions, 99 flow [2021-03-26 00:37:53,563 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 44 places, 20 transitions, 99 flow [2021-03-26 00:37:53,563 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 40 places, 20 transitions, 99 flow [2021-03-26 00:37:53,566 INFO L129 PetriNetUnfolder]: 1/29 cut-off events. [2021-03-26 00:37:53,566 INFO L130 PetriNetUnfolder]: For 56/56 co-relation queries the response was YES. [2021-03-26 00:37:53,566 INFO L84 FinitePrefix]: Finished finitePrefix Result has 94 conditions, 29 events. 1/29 cut-off events. For 56/56 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 52 event pairs, 1 based on Foata normal form. 0/29 useless extension candidates. Maximal degree in co-relation 76. Up to 9 conditions per place. [2021-03-26 00:37:53,566 INFO L142 LiptonReduction]: Number of co-enabled transitions 118 [2021-03-26 00:37:53,621 INFO L154 LiptonReduction]: Checked pairs total: 170 [2021-03-26 00:37:53,621 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 00:37:53,621 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 59 [2021-03-26 00:37:53,622 INFO L480 AbstractCegarLoop]: Abstraction has has 39 places, 19 transitions, 99 flow [2021-03-26 00:37:53,622 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 85.83333333333333) internal successors, (515), 6 states have internal predecessors, (515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:37:53,622 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:37:53,622 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:37:53,622 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-26 00:37:53,623 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:37:53,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:37:53,623 INFO L82 PathProgramCache]: Analyzing trace with hash -438763370, now seen corresponding path program 1 times [2021-03-26 00:37:53,623 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:37:53,623 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015639295] [2021-03-26 00:37:53,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:37:53,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:37:53,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:37:53,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:37:53,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:37:53,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:37:53,680 INFO L142 QuantifierPusher]: treesize reduction 3, result has 81.3 percent of original size [2021-03-26 00:37:53,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 00:37:53,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:37:53,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:37:53,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 00:37:53,692 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015639295] [2021-03-26 00:37:53,692 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:37:53,692 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-26 00:37:53,692 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300967572] [2021-03-26 00:37:53,693 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 00:37:53,693 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:37:53,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 00:37:53,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-03-26 00:37:53,694 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 83 out of 121 [2021-03-26 00:37:53,694 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 19 transitions, 99 flow. Second operand has 6 states, 6 states have (on average 84.0) internal successors, (504), 6 states have internal predecessors, (504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:37:53,694 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:37:53,694 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 83 of 121 [2021-03-26 00:37:53,695 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:37:53,733 INFO L129 PetriNetUnfolder]: 8/55 cut-off events. [2021-03-26 00:37:53,733 INFO L130 PetriNetUnfolder]: For 188/195 co-relation queries the response was YES. [2021-03-26 00:37:53,733 INFO L84 FinitePrefix]: Finished finitePrefix Result has 195 conditions, 55 events. 8/55 cut-off events. For 188/195 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 189 event pairs, 2 based on Foata normal form. 8/61 useless extension candidates. Maximal degree in co-relation 175. Up to 18 conditions per place. [2021-03-26 00:37:53,734 INFO L132 encePairwiseOnDemand]: 115/121 looper letters, 5 selfloop transitions, 4 changer transitions 12/30 dead transitions. [2021-03-26 00:37:53,734 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 30 transitions, 233 flow [2021-03-26 00:37:53,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 00:37:53,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 00:37:53,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 603 transitions. [2021-03-26 00:37:53,735 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7119244391971665 [2021-03-26 00:37:53,735 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 603 transitions. [2021-03-26 00:37:53,735 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 603 transitions. [2021-03-26 00:37:53,735 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:37:53,736 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 603 transitions. [2021-03-26 00:37:53,737 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 86.14285714285714) internal successors, (603), 7 states have internal predecessors, (603), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:37:53,738 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 121.0) internal successors, (968), 8 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) [2021-03-26 00:37:53,738 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 121.0) internal successors, (968), 8 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) [2021-03-26 00:37:53,738 INFO L185 Difference]: Start difference. First operand has 39 places, 19 transitions, 99 flow. Second operand 7 states and 603 transitions. [2021-03-26 00:37:53,738 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 30 transitions, 233 flow [2021-03-26 00:37:53,739 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 30 transitions, 181 flow, removed 15 selfloop flow, removed 8 redundant places. [2021-03-26 00:37:53,739 INFO L241 Difference]: Finished difference. Result has 41 places, 17 transitions, 82 flow [2021-03-26 00:37:53,739 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=121, PETRI_DIFFERENCE_MINUEND_FLOW=74, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=19, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=82, PETRI_PLACES=41, PETRI_TRANSITIONS=17} [2021-03-26 00:37:53,740 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 10 predicate places. [2021-03-26 00:37:53,740 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:37:53,740 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 41 places, 17 transitions, 82 flow [2021-03-26 00:37:53,740 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 41 places, 17 transitions, 82 flow [2021-03-26 00:37:53,740 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 39 places, 17 transitions, 82 flow [2021-03-26 00:37:53,742 INFO L129 PetriNetUnfolder]: 1/22 cut-off events. [2021-03-26 00:37:53,742 INFO L130 PetriNetUnfolder]: For 32/32 co-relation queries the response was YES. [2021-03-26 00:37:53,742 INFO L84 FinitePrefix]: Finished finitePrefix Result has 70 conditions, 22 events. 1/22 cut-off events. For 32/32 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 20 event pairs, 1 based on Foata normal form. 0/22 useless extension candidates. Maximal degree in co-relation 54. Up to 6 conditions per place. [2021-03-26 00:37:53,742 INFO L142 LiptonReduction]: Number of co-enabled transitions 74 [2021-03-26 00:37:53,762 INFO L154 LiptonReduction]: Checked pairs total: 50 [2021-03-26 00:37:53,762 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 00:37:53,762 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 22 [2021-03-26 00:37:53,764 INFO L480 AbstractCegarLoop]: Abstraction has has 38 places, 16 transitions, 80 flow [2021-03-26 00:37:53,764 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 84.0) internal successors, (504), 6 states have internal predecessors, (504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:37:53,764 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:37:53,764 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:37:53,764 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-26 00:37:53,764 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:37:53,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:37:53,765 INFO L82 PathProgramCache]: Analyzing trace with hash -1505800006, now seen corresponding path program 1 times [2021-03-26 00:37:53,765 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:37:53,765 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811018459] [2021-03-26 00:37:53,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:37:53,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:37:53,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:37:53,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:37:53,805 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-26 00:37:53,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 00:37:53,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:37:53,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 00:37:53,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 00:37:53,810 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811018459] [2021-03-26 00:37:53,810 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:37:53,810 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 00:37:53,810 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872738581] [2021-03-26 00:37:53,810 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 00:37:53,811 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:37:53,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 00:37:53,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 00:37:53,811 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 122 [2021-03-26 00:37:53,812 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 16 transitions, 80 flow. Second operand has 4 states, 4 states have (on average 90.75) internal successors, (363), 4 states have internal predecessors, (363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:37:53,812 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:37:53,812 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 122 [2021-03-26 00:37:53,812 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:37:53,835 INFO L129 PetriNetUnfolder]: 26/73 cut-off events. [2021-03-26 00:37:53,835 INFO L130 PetriNetUnfolder]: For 208/221 co-relation queries the response was YES. [2021-03-26 00:37:53,835 INFO L84 FinitePrefix]: Finished finitePrefix Result has 212 conditions, 73 events. 26/73 cut-off events. For 208/221 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 249 event pairs, 12 based on Foata normal form. 5/74 useless extension candidates. Maximal degree in co-relation 194. Up to 39 conditions per place. [2021-03-26 00:37:53,836 INFO L132 encePairwiseOnDemand]: 116/122 looper letters, 5 selfloop transitions, 3 changer transitions 8/26 dead transitions. [2021-03-26 00:37:53,836 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 26 transitions, 132 flow [2021-03-26 00:37:53,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 00:37:53,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 00:37:53,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 468 transitions. [2021-03-26 00:37:53,837 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7672131147540984 [2021-03-26 00:37:53,837 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 468 transitions. [2021-03-26 00:37:53,837 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 468 transitions. [2021-03-26 00:37:53,837 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:37:53,837 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 468 transitions. [2021-03-26 00:37:53,838 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 93.6) internal successors, (468), 5 states have internal predecessors, (468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:37:53,839 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 122.0) internal successors, (732), 6 states have internal predecessors, (732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:37:53,839 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 122.0) internal successors, (732), 6 states have internal predecessors, (732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:37:53,839 INFO L185 Difference]: Start difference. First operand has 38 places, 16 transitions, 80 flow. Second operand 5 states and 468 transitions. [2021-03-26 00:37:53,839 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 26 transitions, 132 flow [2021-03-26 00:37:53,840 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 26 transitions, 113 flow, removed 4 selfloop flow, removed 7 redundant places. [2021-03-26 00:37:53,840 INFO L241 Difference]: Finished difference. Result has 38 places, 18 transitions, 92 flow [2021-03-26 00:37:53,840 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=122, PETRI_DIFFERENCE_MINUEND_FLOW=61, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=16, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=92, PETRI_PLACES=38, PETRI_TRANSITIONS=18} [2021-03-26 00:37:53,841 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 7 predicate places. [2021-03-26 00:37:53,841 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:37:53,841 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 38 places, 18 transitions, 92 flow [2021-03-26 00:37:53,841 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 38 places, 18 transitions, 92 flow [2021-03-26 00:37:53,841 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 36 places, 18 transitions, 92 flow [2021-03-26 00:37:53,844 INFO L129 PetriNetUnfolder]: 17/54 cut-off events. [2021-03-26 00:37:53,844 INFO L130 PetriNetUnfolder]: For 79/86 co-relation queries the response was YES. [2021-03-26 00:37:53,844 INFO L84 FinitePrefix]: Finished finitePrefix Result has 175 conditions, 54 events. 17/54 cut-off events. For 79/86 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 151 event pairs, 11 based on Foata normal form. 0/51 useless extension candidates. Maximal degree in co-relation 161. Up to 30 conditions per place. [2021-03-26 00:37:53,845 INFO L142 LiptonReduction]: Number of co-enabled transitions 62 [2021-03-26 00:37:53,879 INFO L154 LiptonReduction]: Checked pairs total: 7 [2021-03-26 00:37:53,879 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 00:37:53,879 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 38 [2021-03-26 00:37:53,880 INFO L480 AbstractCegarLoop]: Abstraction has has 36 places, 18 transitions, 94 flow [2021-03-26 00:37:53,881 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 90.75) internal successors, (363), 4 states have internal predecessors, (363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:37:53,881 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:37:53,881 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:37:53,881 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-26 00:37:53,881 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:37:53,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:37:53,881 INFO L82 PathProgramCache]: Analyzing trace with hash 1407405365, now seen corresponding path program 1 times [2021-03-26 00:37:53,881 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:37:53,881 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477922160] [2021-03-26 00:37:53,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:37:53,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:37:53,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:37:53,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:37:53,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:37:53,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:37:53,939 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-26 00:37:53,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 00:37:53,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:37:53,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 00:37:53,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 00:37:53,945 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477922160] [2021-03-26 00:37:53,945 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:37:53,945 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-26 00:37:53,945 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058676225] [2021-03-26 00:37:53,945 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 00:37:53,945 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:37:53,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 00:37:53,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-26 00:37:53,946 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 123 [2021-03-26 00:37:53,947 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 18 transitions, 94 flow. Second operand has 5 states, 5 states have (on average 90.8) internal successors, (454), 5 states have internal predecessors, (454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:37:53,947 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:37:53,947 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 123 [2021-03-26 00:37:53,947 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:37:53,977 INFO L129 PetriNetUnfolder]: 10/44 cut-off events. [2021-03-26 00:37:53,978 INFO L130 PetriNetUnfolder]: For 107/134 co-relation queries the response was YES. [2021-03-26 00:37:53,978 INFO L84 FinitePrefix]: Finished finitePrefix Result has 166 conditions, 44 events. 10/44 cut-off events. For 107/134 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 118 event pairs, 2 based on Foata normal form. 7/48 useless extension candidates. Maximal degree in co-relation 150. Up to 27 conditions per place. [2021-03-26 00:37:53,978 INFO L132 encePairwiseOnDemand]: 116/123 looper letters, 3 selfloop transitions, 5 changer transitions 10/28 dead transitions. [2021-03-26 00:37:53,979 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 28 transitions, 188 flow [2021-03-26 00:37:53,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-26 00:37:53,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-26 00:37:53,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 560 transitions. [2021-03-26 00:37:53,980 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7588075880758808 [2021-03-26 00:37:53,980 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 560 transitions. [2021-03-26 00:37:53,980 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 560 transitions. [2021-03-26 00:37:53,981 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:37:53,981 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 560 transitions. [2021-03-26 00:37:53,981 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 93.33333333333333) internal successors, (560), 6 states have internal predecessors, (560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:37:53,982 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 123.0) internal successors, (861), 7 states have internal predecessors, (861), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:37:53,983 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 123.0) internal successors, (861), 7 states have internal predecessors, (861), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:37:53,983 INFO L185 Difference]: Start difference. First operand has 36 places, 18 transitions, 94 flow. Second operand 6 states and 560 transitions. [2021-03-26 00:37:53,983 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 28 transitions, 188 flow [2021-03-26 00:37:53,985 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 28 transitions, 183 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-03-26 00:37:53,985 INFO L241 Difference]: Finished difference. Result has 42 places, 18 transitions, 113 flow [2021-03-26 00:37:53,986 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=123, PETRI_DIFFERENCE_MINUEND_FLOW=89, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=18, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=113, PETRI_PLACES=42, PETRI_TRANSITIONS=18} [2021-03-26 00:37:53,986 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 11 predicate places. [2021-03-26 00:37:53,986 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:37:53,986 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 42 places, 18 transitions, 113 flow [2021-03-26 00:37:53,986 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 42 places, 18 transitions, 113 flow [2021-03-26 00:37:53,987 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 40 places, 18 transitions, 113 flow [2021-03-26 00:37:53,991 INFO L129 PetriNetUnfolder]: 3/27 cut-off events. [2021-03-26 00:37:53,991 INFO L130 PetriNetUnfolder]: For 55/60 co-relation queries the response was YES. [2021-03-26 00:37:53,991 INFO L84 FinitePrefix]: Finished finitePrefix Result has 106 conditions, 27 events. 3/27 cut-off events. For 55/60 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 37 event pairs, 2 based on Foata normal form. 2/28 useless extension candidates. Maximal degree in co-relation 89. Up to 10 conditions per place. [2021-03-26 00:37:53,991 INFO L142 LiptonReduction]: Number of co-enabled transitions 50 [2021-03-26 00:37:54,088 INFO L154 LiptonReduction]: Checked pairs total: 6 [2021-03-26 00:37:54,088 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 00:37:54,088 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 102 [2021-03-26 00:37:54,092 INFO L480 AbstractCegarLoop]: Abstraction has has 39 places, 17 transitions, 113 flow [2021-03-26 00:37:54,092 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 90.8) internal successors, (454), 5 states have internal predecessors, (454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:37:54,092 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:37:54,092 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:37:54,092 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-26 00:37:54,092 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:37:54,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:37:54,093 INFO L82 PathProgramCache]: Analyzing trace with hash -374579380, now seen corresponding path program 1 times [2021-03-26 00:37:54,093 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:37:54,093 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25511591] [2021-03-26 00:37:54,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:37:54,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:37:54,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:37:54,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:37:54,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:37:54,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:37:54,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:37:54,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:37:54,153 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-26 00:37:54,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 00:37:54,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:37:54,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 00:37:54,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 00:37:54,159 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25511591] [2021-03-26 00:37:54,159 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:37:54,159 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-26 00:37:54,159 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881423634] [2021-03-26 00:37:54,160 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 00:37:54,160 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:37:54,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 00:37:54,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-03-26 00:37:54,160 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 125 [2021-03-26 00:37:54,161 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 17 transitions, 113 flow. Second operand has 6 states, 6 states have (on average 90.83333333333333) internal successors, (545), 6 states have internal predecessors, (545), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:37:54,161 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:37:54,161 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 125 [2021-03-26 00:37:54,161 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:37:54,177 INFO L129 PetriNetUnfolder]: 1/20 cut-off events. [2021-03-26 00:37:54,177 INFO L130 PetriNetUnfolder]: For 78/86 co-relation queries the response was YES. [2021-03-26 00:37:54,177 INFO L84 FinitePrefix]: Finished finitePrefix Result has 84 conditions, 20 events. 1/20 cut-off events. For 78/86 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 32 event pairs, 0 based on Foata normal form. 4/21 useless extension candidates. Maximal degree in co-relation 72. Up to 6 conditions per place. [2021-03-26 00:37:54,178 INFO L132 encePairwiseOnDemand]: 118/125 looper letters, 0 selfloop transitions, 0 changer transitions 15/15 dead transitions. [2021-03-26 00:37:54,178 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 15 transitions, 103 flow [2021-03-26 00:37:54,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 00:37:54,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 00:37:54,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 457 transitions. [2021-03-26 00:37:54,179 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7312 [2021-03-26 00:37:54,179 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 457 transitions. [2021-03-26 00:37:54,179 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 457 transitions. [2021-03-26 00:37:54,179 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:37:54,179 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 457 transitions. [2021-03-26 00:37:54,180 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 91.4) internal successors, (457), 5 states have internal predecessors, (457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:37:54,181 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 125.0) internal successors, (750), 6 states have internal predecessors, (750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:37:54,181 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 125.0) internal successors, (750), 6 states have internal predecessors, (750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:37:54,181 INFO L185 Difference]: Start difference. First operand has 39 places, 17 transitions, 113 flow. Second operand 5 states and 457 transitions. [2021-03-26 00:37:54,181 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 15 transitions, 103 flow [2021-03-26 00:37:54,181 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 15 transitions, 75 flow, removed 8 selfloop flow, removed 8 redundant places. [2021-03-26 00:37:54,182 INFO L241 Difference]: Finished difference. Result has 33 places, 0 transitions, 0 flow [2021-03-26 00:37:54,182 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=125, PETRI_DIFFERENCE_MINUEND_FLOW=63, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=15, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=33, PETRI_TRANSITIONS=0} [2021-03-26 00:37:54,182 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 2 predicate places. [2021-03-26 00:37:54,182 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:37:54,182 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 33 places, 0 transitions, 0 flow [2021-03-26 00:37:54,182 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 33 places, 0 transitions, 0 flow [2021-03-26 00:37:54,182 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 0 places, 0 transitions, 0 flow [2021-03-26 00:37:54,182 INFO L129 PetriNetUnfolder]: 0/0 cut-off events. [2021-03-26 00:37:54,182 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 00:37:54,182 INFO L84 FinitePrefix]: Finished finitePrefix Result has 0 conditions, 0 events. 0/0 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 0. Compared 0 event pairs, 0 based on Foata normal form. 0/0 useless extension candidates. Maximal degree in co-relation 0. Up to 0 conditions per place. [2021-03-26 00:37:54,183 INFO L142 LiptonReduction]: Number of co-enabled transitions 0 [2021-03-26 00:37:54,183 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 00:37:54,183 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 00:37:54,183 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1 [2021-03-26 00:37:54,183 INFO L480 AbstractCegarLoop]: Abstraction has has 0 places, 0 transitions, 0 flow [2021-03-26 00:37:54,183 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 90.83333333333333) internal successors, (545), 6 states have internal predecessors, (545), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:37:54,184 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-26 00:37:54,186 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.03 12:37:54 BasicIcfg [2021-03-26 00:37:54,186 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-26 00:37:54,186 INFO L168 Benchmark]: Toolchain (without parser) took 3975.04 ms. Allocated memory was 255.9 MB in the beginning and 469.8 MB in the end (delta: 213.9 MB). Free memory was 235.1 MB in the beginning and 433.4 MB in the end (delta: -198.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 16.0 GB. [2021-03-26 00:37:54,187 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 255.9 MB. Free memory is still 237.7 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-26 00:37:54,187 INFO L168 Benchmark]: CACSL2BoogieTranslator took 323.43 ms. Allocated memory was 255.9 MB in the beginning and 360.7 MB in the end (delta: 104.9 MB). Free memory was 234.5 MB in the beginning and 323.1 MB in the end (delta: -88.6 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.0 GB. [2021-03-26 00:37:54,187 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.73 ms. Allocated memory is still 360.7 MB. Free memory was 323.1 MB in the beginning and 321.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-26 00:37:54,190 INFO L168 Benchmark]: Boogie Preprocessor took 12.25 ms. Allocated memory is still 360.7 MB. Free memory was 321.4 MB in the beginning and 319.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-26 00:37:54,190 INFO L168 Benchmark]: RCFGBuilder took 364.62 ms. Allocated memory is still 360.7 MB. Free memory was 319.7 MB in the beginning and 333.9 MB in the end (delta: -14.2 MB). Peak memory consumption was 16.4 MB. Max. memory is 16.0 GB. [2021-03-26 00:37:54,190 INFO L168 Benchmark]: TraceAbstraction took 3248.84 ms. Allocated memory was 360.7 MB in the beginning and 469.8 MB in the end (delta: 109.1 MB). Free memory was 333.1 MB in the beginning and 433.4 MB in the end (delta: -100.3 MB). Peak memory consumption was 7.4 MB. Max. memory is 16.0 GB. [2021-03-26 00:37:54,193 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 255.9 MB. Free memory is still 237.7 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 323.43 ms. Allocated memory was 255.9 MB in the beginning and 360.7 MB in the end (delta: 104.9 MB). Free memory was 234.5 MB in the beginning and 323.1 MB in the end (delta: -88.6 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 22.73 ms. Allocated memory is still 360.7 MB. Free memory was 323.1 MB in the beginning and 321.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 12.25 ms. Allocated memory is still 360.7 MB. Free memory was 321.4 MB in the beginning and 319.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 364.62 ms. Allocated memory is still 360.7 MB. Free memory was 319.7 MB in the beginning and 333.9 MB in the end (delta: -14.2 MB). Peak memory consumption was 16.4 MB. Max. memory is 16.0 GB. * TraceAbstraction took 3248.84 ms. Allocated memory was 360.7 MB in the beginning and 469.8 MB in the end (delta: 109.1 MB). Free memory was 333.1 MB in the beginning and 433.4 MB in the end (delta: -100.3 MB). Peak memory consumption was 7.4 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1331.7ms, 69 PlacesBefore, 31 PlacesAfterwards, 60 TransitionsBefore, 21 TransitionsAfterwards, 864 CoEnabledTransitionPairs, 5 FixpointIterations, 15 TrivialSequentialCompositions, 23 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 1 ChoiceCompositions, 41 TotalNumberOfCompositions, 1328 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 860, positive: 813, positive conditional: 813, positive unconditional: 0, negative: 47, negative conditional: 47, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 668, positive: 638, positive conditional: 0, positive unconditional: 638, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 668, positive: 638, positive conditional: 0, positive unconditional: 638, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 668, positive: 632, positive conditional: 0, positive unconditional: 632, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 36, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 99, positive: 15, positive conditional: 0, positive unconditional: 15, negative: 83, negative conditional: 0, negative unconditional: 83, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 860, positive: 175, positive conditional: 175, positive unconditional: 0, negative: 17, negative conditional: 17, negative unconditional: 0, unknown: 668, unknown conditional: 668, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 36, Positive cache size: 28, Positive conditional cache size: 28, Positive unconditional cache size: 0, Negative cache size: 8, Negative conditional cache size: 8, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 220.2ms, 35 PlacesBefore, 31 PlacesAfterwards, 23 TransitionsBefore, 21 TransitionsAfterwards, 150 CoEnabledTransitionPairs, 3 FixpointIterations, 2 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 342 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 182, positive: 152, positive conditional: 152, positive unconditional: 0, negative: 30, negative conditional: 30, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 37, positive: 34, positive conditional: 5, positive unconditional: 29, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 37, positive: 34, positive conditional: 5, positive unconditional: 29, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 37, positive: 32, positive conditional: 0, positive unconditional: 32, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 5, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 14, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 182, positive: 118, positive conditional: 118, positive unconditional: 0, negative: 27, negative conditional: 27, negative unconditional: 0, unknown: 37, unknown conditional: 37, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 73, Positive cache size: 62, Positive conditional cache size: 62, Positive unconditional cache size: 0, Negative cache size: 11, Negative conditional cache size: 11, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 429.2ms, 36 PlacesBefore, 33 PlacesAfterwards, 21 TransitionsBefore, 20 TransitionsAfterwards, 146 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 228 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 72, positive: 52, positive conditional: 52, positive unconditional: 0, negative: 20, negative conditional: 20, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 6, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6, negative conditional: 6, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 72, positive: 48, positive conditional: 48, positive unconditional: 0, negative: 18, negative conditional: 18, negative unconditional: 0, unknown: 6, unknown conditional: 6, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 79, Positive cache size: 66, Positive conditional cache size: 66, Positive unconditional cache size: 0, Negative cache size: 13, Negative conditional cache size: 13, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 58.2ms, 44 PlacesBefore, 39 PlacesAfterwards, 20 TransitionsBefore, 19 TransitionsAfterwards, 118 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 170 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 107, positive: 92, positive conditional: 92, positive unconditional: 0, negative: 15, negative conditional: 15, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 49, positive: 47, positive conditional: 17, positive unconditional: 30, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 49, positive: 47, positive conditional: 17, positive unconditional: 30, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 49, positive: 45, positive conditional: 0, positive unconditional: 45, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 4, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 20, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 16, negative conditional: 16, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 107, positive: 45, positive conditional: 45, positive unconditional: 0, negative: 13, negative conditional: 13, negative unconditional: 0, unknown: 49, unknown conditional: 49, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 69, Positive cache size: 62, Positive conditional cache size: 62, Positive unconditional cache size: 0, Negative cache size: 7, Negative conditional cache size: 7, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 22.1ms, 41 PlacesBefore, 38 PlacesAfterwards, 17 TransitionsBefore, 16 TransitionsAfterwards, 74 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 50 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 29, positive: 24, positive conditional: 24, positive unconditional: 0, negative: 5, negative conditional: 5, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10, positive: 10, positive conditional: 6, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 10, positive: 10, positive conditional: 6, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 10, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 29, positive: 14, positive conditional: 14, positive unconditional: 0, negative: 5, negative conditional: 5, negative unconditional: 0, unknown: 10, unknown conditional: 10, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 37, Positive cache size: 33, Positive conditional cache size: 33, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 38.3ms, 38 PlacesBefore, 36 PlacesAfterwards, 18 TransitionsBefore, 18 TransitionsAfterwards, 62 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 7 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 7, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 7, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 7, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 7, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 7, unknown conditional: 7, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 20, Positive cache size: 17, Positive conditional cache size: 17, Positive unconditional cache size: 0, Negative cache size: 3, Negative conditional cache size: 3, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 101.9ms, 42 PlacesBefore, 39 PlacesAfterwards, 18 TransitionsBefore, 17 TransitionsAfterwards, 50 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 6 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 6, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6, positive: 6, positive conditional: 5, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6, positive: 6, positive conditional: 5, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 6, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 6, unknown conditional: 6, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2, Positive cache size: 2, Positive conditional cache size: 2, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.5ms, 33 PlacesBefore, 0 PlacesAfterwards, 0 TransitionsBefore, 0 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2, Positive cache size: 2, Positive conditional cache size: 2, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 74 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 2.5ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: SAFE, OverallTime: 3165.1ms, OverallIterations: 7, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 301.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1407.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 45 SDtfs, 53 SDslu, 59 SDs, 0 SdLazy, 123 SolverSat, 23 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 68.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 112.1ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=113occurred in iteration=6, InterpolantAutomatonStates: 42, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 20.8ms SsaConstructionTime, 137.7ms SatisfiabilityAnalysisTime, 287.8ms InterpolantComputationTime, 89 NumberOfCodeBlocks, 89 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 82 ConstructedInterpolants, 0 QuantifiedInterpolants, 314 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...