/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-RepeatedVariableLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix032_power.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-25 04:41:28,333 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-25 04:41:28,335 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-25 04:41:28,364 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-25 04:41:28,364 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-25 04:41:28,367 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-25 04:41:28,368 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-25 04:41:28,369 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-25 04:41:28,370 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-25 04:41:28,370 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-25 04:41:28,371 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-25 04:41:28,371 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-25 04:41:28,372 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-25 04:41:28,372 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-25 04:41:28,373 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-25 04:41:28,373 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-25 04:41:28,374 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-25 04:41:28,374 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-25 04:41:28,375 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-25 04:41:28,376 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-25 04:41:28,377 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-25 04:41:28,377 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-25 04:41:28,378 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-25 04:41:28,379 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-25 04:41:28,380 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-03-25 04:41:28,380 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-03-25 04:41:28,380 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-03-25 04:41:28,381 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-03-25 04:41:28,381 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-03-25 04:41:28,382 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-03-25 04:41:28,382 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-25 04:41:28,382 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-25 04:41:28,383 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-25 04:41:28,383 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-25 04:41:28,384 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-25 04:41:28,384 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-25 04:41:28,384 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-25 04:41:28,384 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-25 04:41:28,385 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-25 04:41:28,385 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-25 04:41:28,385 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-25 04:41:28,386 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedVariableLbe.epf [2021-03-25 04:41:28,399 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-25 04:41:28,399 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-25 04:41:28,400 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-25 04:41:28,400 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-25 04:41:28,400 INFO L138 SettingsManager]: * Use SBE=true [2021-03-25 04:41:28,400 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-25 04:41:28,400 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-25 04:41:28,400 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-25 04:41:28,401 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-25 04:41:28,401 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-25 04:41:28,401 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-25 04:41:28,401 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-25 04:41:28,401 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-25 04:41:28,401 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-25 04:41:28,401 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-25 04:41:28,401 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-25 04:41:28,401 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-25 04:41:28,401 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-25 04:41:28,401 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-25 04:41:28,402 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-25 04:41:28,402 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-25 04:41:28,402 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-25 04:41:28,402 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-25 04:41:28,402 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-25 04:41:28,402 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-25 04:41:28,402 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-25 04:41:28,402 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-25 04:41:28,402 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2021-03-25 04:41:28,402 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-25 04:41:28,402 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-25 04:41:28,403 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-25 04:41:28,598 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-25 04:41:28,614 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-25 04:41:28,616 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-25 04:41:28,617 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-25 04:41:28,617 INFO L275 PluginConnector]: CDTParser initialized [2021-03-25 04:41:28,617 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix032_power.oepc.i [2021-03-25 04:41:28,666 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4eebcdc3/d2e358d3423043c7a1316a8d9ce71f25/FLAG85269ece0 [2021-03-25 04:41:29,074 INFO L306 CDTParser]: Found 1 translation units. [2021-03-25 04:41:29,074 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix032_power.oepc.i [2021-03-25 04:41:29,087 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4eebcdc3/d2e358d3423043c7a1316a8d9ce71f25/FLAG85269ece0 [2021-03-25 04:41:29,097 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4eebcdc3/d2e358d3423043c7a1316a8d9ce71f25 [2021-03-25 04:41:29,099 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-25 04:41:29,100 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-25 04:41:29,100 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-25 04:41:29,101 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-25 04:41:29,105 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-25 04:41:29,105 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.03 04:41:29" (1/1) ... [2021-03-25 04:41:29,106 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@713ae5f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:41:29, skipping insertion in model container [2021-03-25 04:41:29,106 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.03 04:41:29" (1/1) ... [2021-03-25 04:41:29,111 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-25 04:41:29,138 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-25 04:41:29,226 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/mix032_power.oepc.i[951,964] [2021-03-25 04:41:29,362 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-25 04:41:29,367 INFO L203 MainTranslator]: Completed pre-run [2021-03-25 04:41:29,374 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/mix032_power.oepc.i[951,964] [2021-03-25 04:41:29,415 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-25 04:41:29,464 INFO L208 MainTranslator]: Completed translation [2021-03-25 04:41:29,464 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:41:29 WrapperNode [2021-03-25 04:41:29,464 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-25 04:41:29,465 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-25 04:41:29,465 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-25 04:41:29,465 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-25 04:41:29,469 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:41:29" (1/1) ... [2021-03-25 04:41:29,479 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:41:29" (1/1) ... [2021-03-25 04:41:29,493 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-25 04:41:29,493 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-25 04:41:29,493 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-25 04:41:29,493 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-25 04:41:29,498 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:41:29" (1/1) ... [2021-03-25 04:41:29,498 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:41:29" (1/1) ... [2021-03-25 04:41:29,501 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:41:29" (1/1) ... [2021-03-25 04:41:29,501 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:41:29" (1/1) ... [2021-03-25 04:41:29,507 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:41:29" (1/1) ... [2021-03-25 04:41:29,509 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:41:29" (1/1) ... [2021-03-25 04:41:29,511 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:41:29" (1/1) ... [2021-03-25 04:41:29,514 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-25 04:41:29,514 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-25 04:41:29,514 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-25 04:41:29,514 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-25 04:41:29,515 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:41:29" (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 [2021-03-25 04:41:29,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-25 04:41:29,571 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-25 04:41:29,571 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-25 04:41:29,571 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-25 04:41:29,571 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-03-25 04:41:29,571 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-03-25 04:41:29,571 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-03-25 04:41:29,571 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-03-25 04:41:29,571 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-03-25 04:41:29,571 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-03-25 04:41:29,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-25 04:41:29,572 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-25 04:41:29,572 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-25 04:41:29,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-25 04:41:29,573 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-25 04:41:30,784 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-25 04:41:30,784 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-03-25 04:41:30,786 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.03 04:41:30 BoogieIcfgContainer [2021-03-25 04:41:30,786 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-25 04:41:30,787 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-25 04:41:30,788 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-25 04:41:30,789 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-25 04:41:30,789 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.03 04:41:29" (1/3) ... [2021-03-25 04:41:30,790 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d769d86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.03 04:41:30, skipping insertion in model container [2021-03-25 04:41:30,790 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:41:29" (2/3) ... [2021-03-25 04:41:30,790 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d769d86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.03 04:41:30, skipping insertion in model container [2021-03-25 04:41:30,790 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.03 04:41:30" (3/3) ... [2021-03-25 04:41:30,791 INFO L111 eAbstractionObserver]: Analyzing ICFG mix032_power.oepc.i [2021-03-25 04:41:30,795 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-25 04:41:30,797 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-03-25 04:41:30,798 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-25 04:41:30,821 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,821 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,821 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,821 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,821 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,821 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,821 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,821 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,822 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,822 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,822 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,822 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,822 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,822 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,822 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,822 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,822 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,822 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,823 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,823 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,823 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,823 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,823 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,823 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,823 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,823 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,823 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,824 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,824 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,824 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,824 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,824 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,824 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,824 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,824 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,824 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,825 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,825 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,825 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,825 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,825 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,825 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,825 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,825 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,825 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,825 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,825 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,825 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,825 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,826 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,826 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,826 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,826 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,826 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,826 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,826 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,826 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,826 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,827 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,827 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,827 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,827 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,827 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,827 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,827 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,827 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,827 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,827 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,827 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,828 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,828 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,828 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,828 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,828 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,828 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,828 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,828 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,828 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,828 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,828 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,828 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,828 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,828 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,828 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,829 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,829 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,829 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,829 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,829 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,829 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,829 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,829 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,829 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,829 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,829 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,829 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,829 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,829 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,830 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,830 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,830 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,830 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,830 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,830 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,830 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,830 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,831 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,831 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,831 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,831 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,831 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,832 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,832 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,832 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,832 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,832 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,832 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,832 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,832 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,832 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,832 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,832 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,832 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,832 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,832 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,832 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,832 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,833 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,833 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,833 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,833 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,833 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,833 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,833 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,833 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,833 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,833 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,833 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,833 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,833 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,833 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,833 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,833 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,834 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,835 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,835 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,835 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,835 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,835 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,835 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,835 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,835 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,835 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,836 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,836 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,836 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,836 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,836 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,836 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,836 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,836 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,836 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,838 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,838 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,838 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,838 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,838 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,838 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,838 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,838 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,838 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,838 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,838 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,838 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,840 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,840 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,840 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,840 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,840 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,840 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,840 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,840 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,840 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,840 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,841 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,841 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,841 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,841 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,841 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,841 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,842 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,842 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,842 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,842 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,842 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,842 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,842 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,842 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,842 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,842 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,842 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,842 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,842 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,842 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,843 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,843 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,843 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,843 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,843 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,843 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,843 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,843 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,843 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,843 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,843 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,843 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,843 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:41:30,844 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-25 04:41:30,855 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-03-25 04:41:30,867 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-25 04:41:30,867 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-25 04:41:30,867 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-25 04:41:30,867 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-25 04:41:30,867 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-25 04:41:30,867 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-25 04:41:30,867 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-25 04:41:30,867 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-25 04:41:30,874 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 115 places, 107 transitions, 229 flow [2021-03-25 04:41:30,896 INFO L129 PetriNetUnfolder]: 2/104 cut-off events. [2021-03-25 04:41:30,896 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 04:41:30,899 INFO L84 FinitePrefix]: Finished finitePrefix Result has 114 conditions, 104 events. 2/104 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 75 event pairs, 0 based on Foata normal form. 0/100 useless extension candidates. Maximal degree in co-relation 65. Up to 2 conditions per place. [2021-03-25 04:41:30,899 INFO L82 GeneralOperation]: Start removeDead. Operand has 115 places, 107 transitions, 229 flow [2021-03-25 04:41:30,902 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 112 places, 104 transitions, 217 flow [2021-03-25 04:41:30,902 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:41:30,908 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 112 places, 104 transitions, 217 flow [2021-03-25 04:41:30,909 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 112 places, 104 transitions, 217 flow [2021-03-25 04:41:30,910 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 112 places, 104 transitions, 217 flow [2021-03-25 04:41:30,923 INFO L129 PetriNetUnfolder]: 2/104 cut-off events. [2021-03-25 04:41:30,923 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 04:41:30,923 INFO L84 FinitePrefix]: Finished finitePrefix Result has 114 conditions, 104 events. 2/104 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 79 event pairs, 0 based on Foata normal form. 0/100 useless extension candidates. Maximal degree in co-relation 65. Up to 2 conditions per place. [2021-03-25 04:41:30,925 INFO L142 LiptonReduction]: Number of co-enabled transitions 2054 [2021-03-25 04:41:31,762 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2021-03-25 04:41:32,042 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 81 [2021-03-25 04:41:32,724 INFO L154 LiptonReduction]: Checked pairs total: 3242 [2021-03-25 04:41:32,724 INFO L156 LiptonReduction]: Total number of compositions: 68 [2021-03-25 04:41:32,726 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1824 [2021-03-25 04:41:32,731 INFO L129 PetriNetUnfolder]: 0/14 cut-off events. [2021-03-25 04:41:32,731 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 04:41:32,731 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:41:32,731 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:41:32,731 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:41:32,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:41:32,734 INFO L82 PathProgramCache]: Analyzing trace with hash 1120472696, now seen corresponding path program 1 times [2021-03-25 04:41:32,739 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:41:32,739 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190049849] [2021-03-25 04:41:32,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:41:32,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:41:32,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:41:32,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 04:41:32,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:41:32,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:41:32,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 04:41:32,876 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190049849] [2021-03-25 04:41:32,876 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:41:32,876 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-25 04:41:32,876 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110410723] [2021-03-25 04:41:32,881 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-25 04:41:32,881 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:41:32,888 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-25 04:41:32,889 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-25 04:41:32,890 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 155 out of 175 [2021-03-25 04:41:32,893 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 43 transitions, 95 flow. Second operand has 3 states, 3 states have (on average 155.66666666666666) internal successors, (467), 3 states have internal predecessors, (467), 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) [2021-03-25 04:41:32,893 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:41:32,893 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 155 of 175 [2021-03-25 04:41:32,894 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:41:32,963 INFO L129 PetriNetUnfolder]: 49/145 cut-off events. [2021-03-25 04:41:32,963 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 04:41:32,964 INFO L84 FinitePrefix]: Finished finitePrefix Result has 241 conditions, 145 events. 49/145 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 591 event pairs, 38 based on Foata normal form. 17/155 useless extension candidates. Maximal degree in co-relation 220. Up to 65 conditions per place. [2021-03-25 04:41:32,966 INFO L132 encePairwiseOnDemand]: 171/175 looper letters, 9 selfloop transitions, 2 changer transitions 0/44 dead transitions. [2021-03-25 04:41:32,966 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 44 transitions, 119 flow [2021-03-25 04:41:32,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 04:41:32,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 04:41:32,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 479 transitions. [2021-03-25 04:41:32,980 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9123809523809524 [2021-03-25 04:41:32,980 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 479 transitions. [2021-03-25 04:41:32,980 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 479 transitions. [2021-03-25 04:41:32,984 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:41:32,985 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 479 transitions. [2021-03-25 04:41:32,988 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 159.66666666666666) internal successors, (479), 3 states have internal predecessors, (479), 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) [2021-03-25 04:41:32,994 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 175.0) internal successors, (700), 4 states have internal predecessors, (700), 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) [2021-03-25 04:41:32,995 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 175.0) internal successors, (700), 4 states have internal predecessors, (700), 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) [2021-03-25 04:41:32,996 INFO L185 Difference]: Start difference. First operand has 52 places, 43 transitions, 95 flow. Second operand 3 states and 479 transitions. [2021-03-25 04:41:32,996 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 44 transitions, 119 flow [2021-03-25 04:41:32,998 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 44 transitions, 116 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-03-25 04:41:32,999 INFO L241 Difference]: Finished difference. Result has 49 places, 40 transitions, 90 flow [2021-03-25 04:41:33,000 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=175, PETRI_DIFFERENCE_MINUEND_FLOW=86, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=90, PETRI_PLACES=49, PETRI_TRANSITIONS=40} [2021-03-25 04:41:33,000 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, -3 predicate places. [2021-03-25 04:41:33,000 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:41:33,000 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 49 places, 40 transitions, 90 flow [2021-03-25 04:41:33,001 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 49 places, 40 transitions, 90 flow [2021-03-25 04:41:33,002 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 49 places, 40 transitions, 90 flow [2021-03-25 04:41:33,006 INFO L129 PetriNetUnfolder]: 0/40 cut-off events. [2021-03-25 04:41:33,006 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 04:41:33,006 INFO L84 FinitePrefix]: Finished finitePrefix Result has 50 conditions, 40 events. 0/40 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 40 event pairs, 0 based on Foata normal form. 0/39 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-03-25 04:41:33,006 INFO L142 LiptonReduction]: Number of co-enabled transitions 434 [2021-03-25 04:41:33,466 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-03-25 04:41:34,027 INFO L154 LiptonReduction]: Checked pairs total: 1436 [2021-03-25 04:41:34,028 INFO L156 LiptonReduction]: Total number of compositions: 13 [2021-03-25 04:41:34,028 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1028 [2021-03-25 04:41:34,028 INFO L480 AbstractCegarLoop]: Abstraction has has 36 places, 27 transitions, 64 flow [2021-03-25 04:41:34,029 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 155.66666666666666) internal successors, (467), 3 states have internal predecessors, (467), 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) [2021-03-25 04:41:34,029 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:41:34,029 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:41:34,029 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-25 04:41:34,029 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:41:34,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:41:34,029 INFO L82 PathProgramCache]: Analyzing trace with hash 579587855, now seen corresponding path program 1 times [2021-03-25 04:41:34,029 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:41:34,030 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511331735] [2021-03-25 04:41:34,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:41:34,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:41:34,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:41:34,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 04:41:34,115 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-03-25 04:41:34,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 04:41:34,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:41:34,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 04:41:34,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 04:41:34,127 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511331735] [2021-03-25 04:41:34,127 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:41:34,127 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 04:41:34,127 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238479106] [2021-03-25 04:41:34,128 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 04:41:34,128 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:41:34,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 04:41:34,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-25 04:41:34,129 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 150 out of 188 [2021-03-25 04:41:34,130 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 27 transitions, 64 flow. Second operand has 4 states, 4 states have (on average 151.0) internal successors, (604), 4 states have internal predecessors, (604), 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) [2021-03-25 04:41:34,130 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:41:34,130 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 150 of 188 [2021-03-25 04:41:34,130 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:41:34,187 INFO L129 PetriNetUnfolder]: 92/233 cut-off events. [2021-03-25 04:41:34,187 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 04:41:34,188 INFO L84 FinitePrefix]: Finished finitePrefix Result has 406 conditions, 233 events. 92/233 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 1165 event pairs, 26 based on Foata normal form. 0/211 useless extension candidates. Maximal degree in co-relation 394. Up to 81 conditions per place. [2021-03-25 04:41:34,189 INFO L132 encePairwiseOnDemand]: 180/188 looper letters, 6 selfloop transitions, 4 changer transitions 12/41 dead transitions. [2021-03-25 04:41:34,189 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 41 transitions, 136 flow [2021-03-25 04:41:34,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 04:41:34,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 04:41:34,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 773 transitions. [2021-03-25 04:41:34,191 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8223404255319149 [2021-03-25 04:41:34,191 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 773 transitions. [2021-03-25 04:41:34,191 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 773 transitions. [2021-03-25 04:41:34,192 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:41:34,192 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 773 transitions. [2021-03-25 04:41:34,193 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 154.6) internal successors, (773), 5 states have internal predecessors, (773), 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) [2021-03-25 04:41:34,194 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 188.0) internal successors, (1128), 6 states have internal predecessors, (1128), 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) [2021-03-25 04:41:34,195 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 188.0) internal successors, (1128), 6 states have internal predecessors, (1128), 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) [2021-03-25 04:41:34,195 INFO L185 Difference]: Start difference. First operand has 36 places, 27 transitions, 64 flow. Second operand 5 states and 773 transitions. [2021-03-25 04:41:34,195 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 41 transitions, 136 flow [2021-03-25 04:41:34,195 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 41 transitions, 132 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-25 04:41:34,196 INFO L241 Difference]: Finished difference. Result has 40 places, 29 transitions, 94 flow [2021-03-25 04:41:34,196 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=60, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=94, PETRI_PLACES=40, PETRI_TRANSITIONS=29} [2021-03-25 04:41:34,197 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, -12 predicate places. [2021-03-25 04:41:34,197 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:41:34,197 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 40 places, 29 transitions, 94 flow [2021-03-25 04:41:34,197 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 40 places, 29 transitions, 94 flow [2021-03-25 04:41:34,197 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 37 places, 29 transitions, 94 flow [2021-03-25 04:41:34,206 INFO L129 PetriNetUnfolder]: 37/117 cut-off events. [2021-03-25 04:41:34,206 INFO L130 PetriNetUnfolder]: For 30/31 co-relation queries the response was YES. [2021-03-25 04:41:34,207 INFO L84 FinitePrefix]: Finished finitePrefix Result has 236 conditions, 117 events. 37/117 cut-off events. For 30/31 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 467 event pairs, 17 based on Foata normal form. 0/108 useless extension candidates. Maximal degree in co-relation 224. Up to 59 conditions per place. [2021-03-25 04:41:34,207 INFO L142 LiptonReduction]: Number of co-enabled transitions 276 [2021-03-25 04:41:34,852 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 124 [2021-03-25 04:41:34,989 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2021-03-25 04:41:35,254 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 124 [2021-03-25 04:41:35,394 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2021-03-25 04:41:35,398 INFO L154 LiptonReduction]: Checked pairs total: 666 [2021-03-25 04:41:35,398 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-25 04:41:35,399 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1202 [2021-03-25 04:41:35,399 INFO L480 AbstractCegarLoop]: Abstraction has has 34 places, 26 transitions, 88 flow [2021-03-25 04:41:35,399 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 151.0) internal successors, (604), 4 states have internal predecessors, (604), 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) [2021-03-25 04:41:35,400 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:41:35,400 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:41:35,400 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-25 04:41:35,400 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:41:35,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:41:35,400 INFO L82 PathProgramCache]: Analyzing trace with hash -957657112, now seen corresponding path program 1 times [2021-03-25 04:41:35,400 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:41:35,400 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [889706994] [2021-03-25 04:41:35,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:41:35,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:41:35,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:41:35,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:41:35,464 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-03-25 04:41:35,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 04:41:35,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 04:41:35,474 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [889706994] [2021-03-25 04:41:35,475 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:41:35,475 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-25 04:41:35,475 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781844285] [2021-03-25 04:41:35,475 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 04:41:35,476 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:41:35,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 04:41:35,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-03-25 04:41:35,478 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 155 out of 191 [2021-03-25 04:41:35,479 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 26 transitions, 88 flow. Second operand has 4 states, 4 states have (on average 155.75) internal successors, (623), 4 states have internal predecessors, (623), 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) [2021-03-25 04:41:35,479 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:41:35,479 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 155 of 191 [2021-03-25 04:41:35,479 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:41:35,503 INFO L129 PetriNetUnfolder]: 36/104 cut-off events. [2021-03-25 04:41:35,503 INFO L130 PetriNetUnfolder]: For 53/77 co-relation queries the response was YES. [2021-03-25 04:41:35,504 INFO L84 FinitePrefix]: Finished finitePrefix Result has 278 conditions, 104 events. 36/104 cut-off events. For 53/77 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 387 event pairs, 12 based on Foata normal form. 6/107 useless extension candidates. Maximal degree in co-relation 267. Up to 59 conditions per place. [2021-03-25 04:41:35,506 INFO L132 encePairwiseOnDemand]: 188/191 looper letters, 10 selfloop transitions, 3 changer transitions 0/29 dead transitions. [2021-03-25 04:41:35,506 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 29 transitions, 130 flow [2021-03-25 04:41:35,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 04:41:35,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 04:41:35,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 476 transitions. [2021-03-25 04:41:35,508 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8307155322862129 [2021-03-25 04:41:35,508 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 476 transitions. [2021-03-25 04:41:35,508 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 476 transitions. [2021-03-25 04:41:35,508 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:41:35,508 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 476 transitions. [2021-03-25 04:41:35,509 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 158.66666666666666) internal successors, (476), 3 states have internal predecessors, (476), 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) [2021-03-25 04:41:35,510 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 191.0) internal successors, (764), 4 states have internal predecessors, (764), 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) [2021-03-25 04:41:35,511 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 191.0) internal successors, (764), 4 states have internal predecessors, (764), 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) [2021-03-25 04:41:35,511 INFO L185 Difference]: Start difference. First operand has 34 places, 26 transitions, 88 flow. Second operand 3 states and 476 transitions. [2021-03-25 04:41:35,511 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 29 transitions, 130 flow [2021-03-25 04:41:35,511 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 29 transitions, 126 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-25 04:41:35,512 INFO L241 Difference]: Finished difference. Result has 36 places, 26 transitions, 95 flow [2021-03-25 04:41:35,512 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=84, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=95, PETRI_PLACES=36, PETRI_TRANSITIONS=26} [2021-03-25 04:41:35,512 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, -16 predicate places. [2021-03-25 04:41:35,512 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:41:35,512 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 36 places, 26 transitions, 95 flow [2021-03-25 04:41:35,515 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 36 places, 26 transitions, 95 flow [2021-03-25 04:41:35,515 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 36 places, 26 transitions, 95 flow [2021-03-25 04:41:35,524 INFO L129 PetriNetUnfolder]: 26/95 cut-off events. [2021-03-25 04:41:35,524 INFO L130 PetriNetUnfolder]: For 37/44 co-relation queries the response was YES. [2021-03-25 04:41:35,525 INFO L84 FinitePrefix]: Finished finitePrefix Result has 208 conditions, 95 events. 26/95 cut-off events. For 37/44 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 376 event pairs, 10 based on Foata normal form. 0/89 useless extension candidates. Maximal degree in co-relation 197. Up to 47 conditions per place. [2021-03-25 04:41:35,526 INFO L142 LiptonReduction]: Number of co-enabled transitions 274 [2021-03-25 04:41:35,529 INFO L154 LiptonReduction]: Checked pairs total: 221 [2021-03-25 04:41:35,529 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 04:41:35,530 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 18 [2021-03-25 04:41:35,534 INFO L480 AbstractCegarLoop]: Abstraction has has 36 places, 26 transitions, 95 flow [2021-03-25 04:41:35,534 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 155.75) internal successors, (623), 4 states have internal predecessors, (623), 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) [2021-03-25 04:41:35,534 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:41:35,534 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:41:35,534 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-25 04:41:35,534 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:41:35,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:41:35,535 INFO L82 PathProgramCache]: Analyzing trace with hash 1235538674, now seen corresponding path program 1 times [2021-03-25 04:41:35,535 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:41:35,535 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074862462] [2021-03-25 04:41:35,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:41:35,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:41:35,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:41:35,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:41:35,601 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-03-25 04:41:35,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 04:41:35,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 04:41:35,609 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074862462] [2021-03-25 04:41:35,609 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:41:35,609 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-25 04:41:35,609 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892334958] [2021-03-25 04:41:35,609 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 04:41:35,609 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:41:35,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 04:41:35,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-03-25 04:41:35,611 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 155 out of 191 [2021-03-25 04:41:35,611 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 26 transitions, 95 flow. Second operand has 4 states, 4 states have (on average 155.75) internal successors, (623), 4 states have internal predecessors, (623), 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) [2021-03-25 04:41:35,611 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:41:35,611 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 155 of 191 [2021-03-25 04:41:35,611 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:41:35,630 INFO L129 PetriNetUnfolder]: 28/82 cut-off events. [2021-03-25 04:41:35,631 INFO L130 PetriNetUnfolder]: For 78/104 co-relation queries the response was YES. [2021-03-25 04:41:35,631 INFO L84 FinitePrefix]: Finished finitePrefix Result has 245 conditions, 82 events. 28/82 cut-off events. For 78/104 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 272 event pairs, 4 based on Foata normal form. 2/82 useless extension candidates. Maximal degree in co-relation 232. Up to 47 conditions per place. [2021-03-25 04:41:35,631 INFO L132 encePairwiseOnDemand]: 188/191 looper letters, 10 selfloop transitions, 3 changer transitions 0/29 dead transitions. [2021-03-25 04:41:35,631 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 29 transitions, 140 flow [2021-03-25 04:41:35,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 04:41:35,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 04:41:35,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 476 transitions. [2021-03-25 04:41:35,633 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8307155322862129 [2021-03-25 04:41:35,633 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 476 transitions. [2021-03-25 04:41:35,633 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 476 transitions. [2021-03-25 04:41:35,633 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:41:35,633 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 476 transitions. [2021-03-25 04:41:35,634 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 158.66666666666666) internal successors, (476), 3 states have internal predecessors, (476), 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) [2021-03-25 04:41:35,635 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 191.0) internal successors, (764), 4 states have internal predecessors, (764), 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) [2021-03-25 04:41:35,635 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 191.0) internal successors, (764), 4 states have internal predecessors, (764), 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) [2021-03-25 04:41:35,635 INFO L185 Difference]: Start difference. First operand has 36 places, 26 transitions, 95 flow. Second operand 3 states and 476 transitions. [2021-03-25 04:41:35,635 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 29 transitions, 140 flow [2021-03-25 04:41:35,636 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 29 transitions, 132 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-25 04:41:35,637 INFO L241 Difference]: Finished difference. Result has 37 places, 26 transitions, 100 flow [2021-03-25 04:41:35,637 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=89, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=100, PETRI_PLACES=37, PETRI_TRANSITIONS=26} [2021-03-25 04:41:35,637 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, -15 predicate places. [2021-03-25 04:41:35,637 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:41:35,637 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 37 places, 26 transitions, 100 flow [2021-03-25 04:41:35,637 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 37 places, 26 transitions, 100 flow [2021-03-25 04:41:35,638 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 37 places, 26 transitions, 100 flow [2021-03-25 04:41:35,645 INFO L129 PetriNetUnfolder]: 19/76 cut-off events. [2021-03-25 04:41:35,645 INFO L130 PetriNetUnfolder]: For 32/35 co-relation queries the response was YES. [2021-03-25 04:41:35,645 INFO L84 FinitePrefix]: Finished finitePrefix Result has 177 conditions, 76 events. 19/76 cut-off events. For 32/35 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 262 event pairs, 7 based on Foata normal form. 1/72 useless extension candidates. Maximal degree in co-relation 165. Up to 36 conditions per place. [2021-03-25 04:41:35,646 INFO L142 LiptonReduction]: Number of co-enabled transitions 272 [2021-03-25 04:41:35,647 INFO L154 LiptonReduction]: Checked pairs total: 184 [2021-03-25 04:41:35,647 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 04:41:35,647 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 10 [2021-03-25 04:41:35,648 INFO L480 AbstractCegarLoop]: Abstraction has has 37 places, 26 transitions, 100 flow [2021-03-25 04:41:35,648 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 155.75) internal successors, (623), 4 states have internal predecessors, (623), 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) [2021-03-25 04:41:35,648 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:41:35,648 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:41:35,648 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-25 04:41:35,648 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:41:35,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:41:35,648 INFO L82 PathProgramCache]: Analyzing trace with hash -1638068977, now seen corresponding path program 1 times [2021-03-25 04:41:35,649 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:41:35,649 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344932132] [2021-03-25 04:41:35,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:41:35,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:41:35,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:41:35,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:41:35,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:41:35,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 04:41:35,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:41:35,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 04:41:35,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 04:41:35,706 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [344932132] [2021-03-25 04:41:35,706 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:41:35,706 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 04:41:35,706 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929289409] [2021-03-25 04:41:35,706 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 04:41:35,706 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:41:35,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 04:41:35,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-25 04:41:35,708 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 162 out of 191 [2021-03-25 04:41:35,708 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 26 transitions, 100 flow. Second operand has 4 states, 4 states have (on average 162.75) internal successors, (651), 4 states have internal predecessors, (651), 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) [2021-03-25 04:41:35,708 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:41:35,708 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 162 of 191 [2021-03-25 04:41:35,708 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:41:35,748 INFO L129 PetriNetUnfolder]: 73/201 cut-off events. [2021-03-25 04:41:35,748 INFO L130 PetriNetUnfolder]: For 60/62 co-relation queries the response was YES. [2021-03-25 04:41:35,749 INFO L84 FinitePrefix]: Finished finitePrefix Result has 459 conditions, 201 events. 73/201 cut-off events. For 60/62 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 1021 event pairs, 27 based on Foata normal form. 21/209 useless extension candidates. Maximal degree in co-relation 445. Up to 104 conditions per place. [2021-03-25 04:41:35,750 INFO L132 encePairwiseOnDemand]: 185/191 looper letters, 8 selfloop transitions, 8 changer transitions 0/36 dead transitions. [2021-03-25 04:41:35,750 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 36 transitions, 152 flow [2021-03-25 04:41:35,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 04:41:35,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 04:41:35,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 828 transitions. [2021-03-25 04:41:35,752 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8670157068062827 [2021-03-25 04:41:35,752 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 828 transitions. [2021-03-25 04:41:35,752 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 828 transitions. [2021-03-25 04:41:35,752 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:41:35,752 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 828 transitions. [2021-03-25 04:41:35,754 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 165.6) internal successors, (828), 5 states have internal predecessors, (828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:41:35,756 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 191.0) internal successors, (1146), 6 states have internal predecessors, (1146), 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) [2021-03-25 04:41:35,756 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 191.0) internal successors, (1146), 6 states have internal predecessors, (1146), 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) [2021-03-25 04:41:35,757 INFO L185 Difference]: Start difference. First operand has 37 places, 26 transitions, 100 flow. Second operand 5 states and 828 transitions. [2021-03-25 04:41:35,757 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 36 transitions, 152 flow [2021-03-25 04:41:35,759 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 36 transitions, 146 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-25 04:41:35,760 INFO L241 Difference]: Finished difference. Result has 42 places, 33 transitions, 154 flow [2021-03-25 04:41:35,761 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=94, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=154, PETRI_PLACES=42, PETRI_TRANSITIONS=33} [2021-03-25 04:41:35,761 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, -10 predicate places. [2021-03-25 04:41:35,761 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:41:35,761 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 42 places, 33 transitions, 154 flow [2021-03-25 04:41:35,766 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 42 places, 33 transitions, 154 flow [2021-03-25 04:41:35,767 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 42 places, 33 transitions, 154 flow [2021-03-25 04:41:35,789 INFO L129 PetriNetUnfolder]: 66/185 cut-off events. [2021-03-25 04:41:35,789 INFO L130 PetriNetUnfolder]: For 126/161 co-relation queries the response was YES. [2021-03-25 04:41:35,790 INFO L84 FinitePrefix]: Finished finitePrefix Result has 522 conditions, 185 events. 66/185 cut-off events. For 126/161 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 1001 event pairs, 24 based on Foata normal form. 5/175 useless extension candidates. Maximal degree in co-relation 507. Up to 91 conditions per place. [2021-03-25 04:41:35,791 INFO L142 LiptonReduction]: Number of co-enabled transitions 366 [2021-03-25 04:41:35,796 INFO L154 LiptonReduction]: Checked pairs total: 531 [2021-03-25 04:41:35,796 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 04:41:35,797 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 36 [2021-03-25 04:41:35,799 INFO L480 AbstractCegarLoop]: Abstraction has has 42 places, 32 transitions, 148 flow [2021-03-25 04:41:35,799 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 162.75) internal successors, (651), 4 states have internal predecessors, (651), 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) [2021-03-25 04:41:35,799 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:41:35,800 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:41:35,800 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-25 04:41:35,800 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:41:35,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:41:35,800 INFO L82 PathProgramCache]: Analyzing trace with hash -2083968916, now seen corresponding path program 1 times [2021-03-25 04:41:35,800 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:41:35,800 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968494185] [2021-03-25 04:41:35,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:41:35,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:41:35,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:41:35,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 04:41:35,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:41:35,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:41:35,870 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-03-25 04:41:35,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 04:41:35,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 04:41:35,879 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968494185] [2021-03-25 04:41:35,880 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:41:35,880 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 04:41:35,880 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684965862] [2021-03-25 04:41:35,881 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 04:41:35,881 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:41:35,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 04:41:35,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-25 04:41:35,882 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 147 out of 191 [2021-03-25 04:41:35,883 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 32 transitions, 148 flow. Second operand has 4 states, 4 states have (on average 148.5) internal successors, (594), 4 states have internal predecessors, (594), 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) [2021-03-25 04:41:35,883 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:41:35,883 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 147 of 191 [2021-03-25 04:41:35,883 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:41:35,930 INFO L129 PetriNetUnfolder]: 112/285 cut-off events. [2021-03-25 04:41:35,930 INFO L130 PetriNetUnfolder]: For 337/377 co-relation queries the response was YES. [2021-03-25 04:41:35,931 INFO L84 FinitePrefix]: Finished finitePrefix Result has 863 conditions, 285 events. 112/285 cut-off events. For 337/377 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 1536 event pairs, 41 based on Foata normal form. 18/281 useless extension candidates. Maximal degree in co-relation 846. Up to 139 conditions per place. [2021-03-25 04:41:35,932 INFO L132 encePairwiseOnDemand]: 183/191 looper letters, 8 selfloop transitions, 12 changer transitions 0/38 dead transitions. [2021-03-25 04:41:35,932 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 38 transitions, 215 flow [2021-03-25 04:41:35,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 04:41:35,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 04:41:35,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 754 transitions. [2021-03-25 04:41:35,933 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7895287958115184 [2021-03-25 04:41:35,933 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 754 transitions. [2021-03-25 04:41:35,935 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 754 transitions. [2021-03-25 04:41:35,935 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:41:35,936 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 754 transitions. [2021-03-25 04:41:35,937 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 150.8) internal successors, (754), 5 states have internal predecessors, (754), 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) [2021-03-25 04:41:35,942 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 191.0) internal successors, (1146), 6 states have internal predecessors, (1146), 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) [2021-03-25 04:41:35,942 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 191.0) internal successors, (1146), 6 states have internal predecessors, (1146), 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) [2021-03-25 04:41:35,942 INFO L185 Difference]: Start difference. First operand has 42 places, 32 transitions, 148 flow. Second operand 5 states and 754 transitions. [2021-03-25 04:41:35,942 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 38 transitions, 215 flow [2021-03-25 04:41:35,945 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 38 transitions, 209 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-03-25 04:41:35,946 INFO L241 Difference]: Finished difference. Result has 44 places, 36 transitions, 206 flow [2021-03-25 04:41:35,946 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=124, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=206, PETRI_PLACES=44, PETRI_TRANSITIONS=36} [2021-03-25 04:41:35,946 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, -8 predicate places. [2021-03-25 04:41:35,946 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:41:35,946 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 44 places, 36 transitions, 206 flow [2021-03-25 04:41:35,946 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 44 places, 36 transitions, 206 flow [2021-03-25 04:41:35,947 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 44 places, 36 transitions, 206 flow [2021-03-25 04:41:35,968 INFO L129 PetriNetUnfolder]: 122/319 cut-off events. [2021-03-25 04:41:35,968 INFO L130 PetriNetUnfolder]: For 305/336 co-relation queries the response was YES. [2021-03-25 04:41:35,969 INFO L84 FinitePrefix]: Finished finitePrefix Result has 911 conditions, 319 events. 122/319 cut-off events. For 305/336 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 1869 event pairs, 52 based on Foata normal form. 0/298 useless extension candidates. Maximal degree in co-relation 894. Up to 163 conditions per place. [2021-03-25 04:41:35,970 INFO L142 LiptonReduction]: Number of co-enabled transitions 354 [2021-03-25 04:41:35,995 INFO L154 LiptonReduction]: Checked pairs total: 585 [2021-03-25 04:41:35,995 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 04:41:35,996 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 50 [2021-03-25 04:41:35,997 INFO L480 AbstractCegarLoop]: Abstraction has has 44 places, 36 transitions, 208 flow [2021-03-25 04:41:35,997 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 148.5) internal successors, (594), 4 states have internal predecessors, (594), 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) [2021-03-25 04:41:35,997 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:41:35,997 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:41:35,997 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-25 04:41:35,997 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:41:35,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:41:35,998 INFO L82 PathProgramCache]: Analyzing trace with hash 414723830, now seen corresponding path program 2 times [2021-03-25 04:41:35,998 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:41:35,998 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884238946] [2021-03-25 04:41:35,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:41:36,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:41:36,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:41:36,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:41:36,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:41:36,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:41:36,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:41:36,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 04:41:36,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:41:36,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 04:41:36,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 04:41:36,060 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1884238946] [2021-03-25 04:41:36,061 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:41:36,061 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-25 04:41:36,061 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199405959] [2021-03-25 04:41:36,061 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 04:41:36,061 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:41:36,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 04:41:36,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-25 04:41:36,062 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 192 [2021-03-25 04:41:36,062 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 36 transitions, 208 flow. Second operand has 5 states, 5 states have (on average 163.8) internal successors, (819), 5 states have internal predecessors, (819), 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) [2021-03-25 04:41:36,062 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:41:36,062 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 192 [2021-03-25 04:41:36,062 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:41:36,106 INFO L129 PetriNetUnfolder]: 69/227 cut-off events. [2021-03-25 04:41:36,107 INFO L130 PetriNetUnfolder]: For 234/296 co-relation queries the response was YES. [2021-03-25 04:41:36,107 INFO L84 FinitePrefix]: Finished finitePrefix Result has 785 conditions, 227 events. 69/227 cut-off events. For 234/296 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 1212 event pairs, 10 based on Foata normal form. 61/284 useless extension candidates. Maximal degree in co-relation 766. Up to 128 conditions per place. [2021-03-25 04:41:36,108 INFO L132 encePairwiseOnDemand]: 186/192 looper letters, 5 selfloop transitions, 11 changer transitions 3/46 dead transitions. [2021-03-25 04:41:36,108 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 46 transitions, 304 flow [2021-03-25 04:41:36,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-25 04:41:36,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-25 04:41:36,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 999 transitions. [2021-03-25 04:41:36,110 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8671875 [2021-03-25 04:41:36,110 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 999 transitions. [2021-03-25 04:41:36,110 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 999 transitions. [2021-03-25 04:41:36,110 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:41:36,110 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 999 transitions. [2021-03-25 04:41:36,112 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 166.5) internal successors, (999), 6 states have internal predecessors, (999), 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) [2021-03-25 04:41:36,113 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 192.0) internal successors, (1344), 7 states have internal predecessors, (1344), 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) [2021-03-25 04:41:36,113 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 192.0) internal successors, (1344), 7 states have internal predecessors, (1344), 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) [2021-03-25 04:41:36,113 INFO L185 Difference]: Start difference. First operand has 44 places, 36 transitions, 208 flow. Second operand 6 states and 999 transitions. [2021-03-25 04:41:36,113 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 46 transitions, 304 flow [2021-03-25 04:41:36,114 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 46 transitions, 294 flow, removed 5 selfloop flow, removed 0 redundant places. [2021-03-25 04:41:36,115 INFO L241 Difference]: Finished difference. Result has 52 places, 43 transitions, 286 flow [2021-03-25 04:41:36,115 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=192, PETRI_DIFFERENCE_MINUEND_FLOW=198, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=286, PETRI_PLACES=52, PETRI_TRANSITIONS=43} [2021-03-25 04:41:36,115 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 0 predicate places. [2021-03-25 04:41:36,115 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:41:36,115 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 52 places, 43 transitions, 286 flow [2021-03-25 04:41:36,115 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 52 places, 43 transitions, 286 flow [2021-03-25 04:41:36,116 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 52 places, 43 transitions, 286 flow [2021-03-25 04:41:36,130 INFO L129 PetriNetUnfolder]: 64/219 cut-off events. [2021-03-25 04:41:36,130 INFO L130 PetriNetUnfolder]: For 434/474 co-relation queries the response was YES. [2021-03-25 04:41:36,131 INFO L84 FinitePrefix]: Finished finitePrefix Result has 828 conditions, 219 events. 64/219 cut-off events. For 434/474 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 1193 event pairs, 8 based on Foata normal form. 1/212 useless extension candidates. Maximal degree in co-relation 806. Up to 119 conditions per place. [2021-03-25 04:41:36,132 INFO L142 LiptonReduction]: Number of co-enabled transitions 436 [2021-03-25 04:41:36,139 INFO L154 LiptonReduction]: Checked pairs total: 823 [2021-03-25 04:41:36,139 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 04:41:36,140 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 25 [2021-03-25 04:41:36,140 INFO L480 AbstractCegarLoop]: Abstraction has has 52 places, 42 transitions, 278 flow [2021-03-25 04:41:36,140 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 163.8) internal successors, (819), 5 states have internal predecessors, (819), 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) [2021-03-25 04:41:36,140 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:41:36,140 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:41:36,140 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-25 04:41:36,140 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:41:36,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:41:36,141 INFO L82 PathProgramCache]: Analyzing trace with hash 714250926, now seen corresponding path program 1 times [2021-03-25 04:41:36,141 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:41:36,141 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420121944] [2021-03-25 04:41:36,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:41:36,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:41:36,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:41:36,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 04:41:36,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:41:36,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:41:36,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:41:36,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:41:36,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 04:41:36,182 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420121944] [2021-03-25 04:41:36,183 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:41:36,183 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 04:41:36,183 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441074491] [2021-03-25 04:41:36,183 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 04:41:36,183 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:41:36,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 04:41:36,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-25 04:41:36,184 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 161 out of 192 [2021-03-25 04:41:36,184 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 42 transitions, 278 flow. Second operand has 4 states, 4 states have (on average 162.0) internal successors, (648), 4 states have internal predecessors, (648), 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) [2021-03-25 04:41:36,184 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:41:36,184 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 161 of 192 [2021-03-25 04:41:36,184 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:41:36,213 INFO L129 PetriNetUnfolder]: 64/211 cut-off events. [2021-03-25 04:41:36,213 INFO L130 PetriNetUnfolder]: For 458/481 co-relation queries the response was YES. [2021-03-25 04:41:36,213 INFO L84 FinitePrefix]: Finished finitePrefix Result has 791 conditions, 211 events. 64/211 cut-off events. For 458/481 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1051 event pairs, 12 based on Foata normal form. 8/214 useless extension candidates. Maximal degree in co-relation 767. Up to 100 conditions per place. [2021-03-25 04:41:36,214 INFO L132 encePairwiseOnDemand]: 188/192 looper letters, 3 selfloop transitions, 3 changer transitions 4/39 dead transitions. [2021-03-25 04:41:36,214 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 39 transitions, 262 flow [2021-03-25 04:41:36,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-25 04:41:36,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-25 04:41:36,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 651 transitions. [2021-03-25 04:41:36,215 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.84765625 [2021-03-25 04:41:36,215 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 651 transitions. [2021-03-25 04:41:36,215 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 651 transitions. [2021-03-25 04:41:36,216 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:41:36,216 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 651 transitions. [2021-03-25 04:41:36,217 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 162.75) internal successors, (651), 4 states have internal predecessors, (651), 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) [2021-03-25 04:41:36,217 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 192.0) internal successors, (960), 5 states have internal predecessors, (960), 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) [2021-03-25 04:41:36,218 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 192.0) internal successors, (960), 5 states have internal predecessors, (960), 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) [2021-03-25 04:41:36,218 INFO L185 Difference]: Start difference. First operand has 52 places, 42 transitions, 278 flow. Second operand 4 states and 651 transitions. [2021-03-25 04:41:36,218 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 39 transitions, 262 flow [2021-03-25 04:41:36,220 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 39 transitions, 242 flow, removed 8 selfloop flow, removed 3 redundant places. [2021-03-25 04:41:36,222 INFO L241 Difference]: Finished difference. Result has 51 places, 35 transitions, 207 flow [2021-03-25 04:41:36,222 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=192, PETRI_DIFFERENCE_MINUEND_FLOW=228, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=207, PETRI_PLACES=51, PETRI_TRANSITIONS=35} [2021-03-25 04:41:36,222 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, -1 predicate places. [2021-03-25 04:41:36,222 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:41:36,222 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 51 places, 35 transitions, 207 flow [2021-03-25 04:41:36,223 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 51 places, 35 transitions, 207 flow [2021-03-25 04:41:36,223 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 51 places, 35 transitions, 207 flow [2021-03-25 04:41:36,234 INFO L129 PetriNetUnfolder]: 43/167 cut-off events. [2021-03-25 04:41:36,234 INFO L130 PetriNetUnfolder]: For 250/263 co-relation queries the response was YES. [2021-03-25 04:41:36,235 INFO L84 FinitePrefix]: Finished finitePrefix Result has 534 conditions, 167 events. 43/167 cut-off events. For 250/263 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 771 event pairs, 11 based on Foata normal form. 1/161 useless extension candidates. Maximal degree in co-relation 513. Up to 53 conditions per place. [2021-03-25 04:41:36,236 INFO L142 LiptonReduction]: Number of co-enabled transitions 296 [2021-03-25 04:41:36,238 INFO L154 LiptonReduction]: Checked pairs total: 238 [2021-03-25 04:41:36,238 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 04:41:36,238 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 16 [2021-03-25 04:41:36,239 INFO L480 AbstractCegarLoop]: Abstraction has has 51 places, 35 transitions, 207 flow [2021-03-25 04:41:36,240 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 162.0) internal successors, (648), 4 states have internal predecessors, (648), 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) [2021-03-25 04:41:36,240 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:41:36,241 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:41:36,241 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-25 04:41:36,241 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:41:36,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:41:36,241 INFO L82 PathProgramCache]: Analyzing trace with hash -1217720639, now seen corresponding path program 1 times [2021-03-25 04:41:36,241 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:41:36,241 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855770633] [2021-03-25 04:41:36,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:41:36,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:41:36,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:41:36,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:41:36,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:41:36,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:41:36,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:41:36,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:41:36,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:41:36,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 04:41:36,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:41:36,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 04:41:36,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 04:41:36,345 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855770633] [2021-03-25 04:41:36,345 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:41:36,345 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-25 04:41:36,345 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005754073] [2021-03-25 04:41:36,345 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-25 04:41:36,345 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:41:36,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-25 04:41:36,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-03-25 04:41:36,346 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 192 [2021-03-25 04:41:36,347 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 35 transitions, 207 flow. Second operand has 6 states, 6 states have (on average 163.83333333333334) internal successors, (983), 6 states have internal predecessors, (983), 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) [2021-03-25 04:41:36,347 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:41:36,347 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 192 [2021-03-25 04:41:36,347 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:41:36,388 INFO L129 PetriNetUnfolder]: 32/129 cut-off events. [2021-03-25 04:41:36,388 INFO L130 PetriNetUnfolder]: For 217/256 co-relation queries the response was YES. [2021-03-25 04:41:36,389 INFO L84 FinitePrefix]: Finished finitePrefix Result has 482 conditions, 129 events. 32/129 cut-off events. For 217/256 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 545 event pairs, 3 based on Foata normal form. 35/161 useless extension candidates. Maximal degree in co-relation 459. Up to 41 conditions per place. [2021-03-25 04:41:36,389 INFO L132 encePairwiseOnDemand]: 186/192 looper letters, 2 selfloop transitions, 11 changer transitions 7/39 dead transitions. [2021-03-25 04:41:36,389 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 39 transitions, 269 flow [2021-03-25 04:41:36,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 04:41:36,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 04:41:36,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1159 transitions. [2021-03-25 04:41:36,391 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8623511904761905 [2021-03-25 04:41:36,391 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1159 transitions. [2021-03-25 04:41:36,391 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1159 transitions. [2021-03-25 04:41:36,392 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:41:36,392 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1159 transitions. [2021-03-25 04:41:36,413 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 165.57142857142858) internal successors, (1159), 7 states have internal predecessors, (1159), 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) [2021-03-25 04:41:36,415 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 192.0) internal successors, (1536), 8 states have internal predecessors, (1536), 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) [2021-03-25 04:41:36,415 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 192.0) internal successors, (1536), 8 states have internal predecessors, (1536), 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) [2021-03-25 04:41:36,415 INFO L185 Difference]: Start difference. First operand has 51 places, 35 transitions, 207 flow. Second operand 7 states and 1159 transitions. [2021-03-25 04:41:36,415 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 39 transitions, 269 flow [2021-03-25 04:41:36,416 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 39 transitions, 237 flow, removed 10 selfloop flow, removed 5 redundant places. [2021-03-25 04:41:36,417 INFO L241 Difference]: Finished difference. Result has 55 places, 32 transitions, 193 flow [2021-03-25 04:41:36,417 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=192, PETRI_DIFFERENCE_MINUEND_FLOW=181, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=193, PETRI_PLACES=55, PETRI_TRANSITIONS=32} [2021-03-25 04:41:36,417 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 3 predicate places. [2021-03-25 04:41:36,418 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:41:36,418 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 55 places, 32 transitions, 193 flow [2021-03-25 04:41:36,418 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 55 places, 32 transitions, 193 flow [2021-03-25 04:41:36,418 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 52 places, 32 transitions, 193 flow [2021-03-25 04:41:36,424 INFO L129 PetriNetUnfolder]: 17/83 cut-off events. [2021-03-25 04:41:36,425 INFO L130 PetriNetUnfolder]: For 125/136 co-relation queries the response was YES. [2021-03-25 04:41:36,425 INFO L84 FinitePrefix]: Finished finitePrefix Result has 289 conditions, 83 events. 17/83 cut-off events. For 125/136 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 294 event pairs, 5 based on Foata normal form. 1/80 useless extension candidates. Maximal degree in co-relation 269. Up to 23 conditions per place. [2021-03-25 04:41:36,425 INFO L142 LiptonReduction]: Number of co-enabled transitions 230 [2021-03-25 04:41:36,659 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2021-03-25 04:41:36,765 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2021-03-25 04:41:37,040 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2021-03-25 04:41:37,156 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2021-03-25 04:41:37,159 INFO L154 LiptonReduction]: Checked pairs total: 448 [2021-03-25 04:41:37,159 INFO L156 LiptonReduction]: Total number of compositions: 4 [2021-03-25 04:41:37,159 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 741 [2021-03-25 04:41:37,159 INFO L480 AbstractCegarLoop]: Abstraction has has 48 places, 28 transitions, 177 flow [2021-03-25 04:41:37,159 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 163.83333333333334) internal successors, (983), 6 states have internal predecessors, (983), 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) [2021-03-25 04:41:37,160 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:41:37,160 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:41:37,160 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-25 04:41:37,160 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:41:37,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:41:37,160 INFO L82 PathProgramCache]: Analyzing trace with hash 1617594184, now seen corresponding path program 1 times [2021-03-25 04:41:37,160 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:41:37,160 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662021905] [2021-03-25 04:41:37,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:41:37,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:41:37,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:41:37,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:41:37,256 INFO L142 QuantifierPusher]: treesize reduction 21, result has 76.1 percent of original size [2021-03-25 04:41:37,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-25 04:41:37,274 INFO L142 QuantifierPusher]: treesize reduction 31, result has 72.8 percent of original size [2021-03-25 04:41:37,277 INFO L147 QuantifierPusher]: treesize reduction 8, result has 90.4 percent of original size 75 [2021-03-25 04:41:37,298 INFO L142 QuantifierPusher]: treesize reduction 26, result has 55.2 percent of original size [2021-03-25 04:41:37,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 04:41:37,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:41:37,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 04:41:37,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 04:41:37,321 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1662021905] [2021-03-25 04:41:37,321 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:41:37,321 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-25 04:41:37,321 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080912191] [2021-03-25 04:41:37,321 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-25 04:41:37,321 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:41:37,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-25 04:41:37,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-03-25 04:41:37,322 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 144 out of 195 [2021-03-25 04:41:37,323 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 28 transitions, 177 flow. Second operand has 7 states, 7 states have (on average 145.14285714285714) internal successors, (1016), 7 states have internal predecessors, (1016), 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) [2021-03-25 04:41:37,323 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:41:37,323 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 144 of 195 [2021-03-25 04:41:37,323 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:41:37,424 INFO L129 PetriNetUnfolder]: 65/205 cut-off events. [2021-03-25 04:41:37,424 INFO L130 PetriNetUnfolder]: For 614/700 co-relation queries the response was YES. [2021-03-25 04:41:37,425 INFO L84 FinitePrefix]: Finished finitePrefix Result has 708 conditions, 205 events. 65/205 cut-off events. For 614/700 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 1042 event pairs, 11 based on Foata normal form. 43/239 useless extension candidates. Maximal degree in co-relation 684. Up to 50 conditions per place. [2021-03-25 04:41:37,425 INFO L132 encePairwiseOnDemand]: 188/195 looper letters, 11 selfloop transitions, 6 changer transitions 3/41 dead transitions. [2021-03-25 04:41:37,425 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 41 transitions, 269 flow [2021-03-25 04:41:37,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-25 04:41:37,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-25 04:41:37,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 885 transitions. [2021-03-25 04:41:37,427 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7564102564102564 [2021-03-25 04:41:37,427 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 885 transitions. [2021-03-25 04:41:37,427 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 885 transitions. [2021-03-25 04:41:37,428 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:41:37,428 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 885 transitions. [2021-03-25 04:41:37,430 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 147.5) internal successors, (885), 6 states have internal predecessors, (885), 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) [2021-03-25 04:41:37,431 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 195.0) internal successors, (1365), 7 states have internal predecessors, (1365), 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) [2021-03-25 04:41:37,431 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 195.0) internal successors, (1365), 7 states have internal predecessors, (1365), 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) [2021-03-25 04:41:37,431 INFO L185 Difference]: Start difference. First operand has 48 places, 28 transitions, 177 flow. Second operand 6 states and 885 transitions. [2021-03-25 04:41:37,431 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 41 transitions, 269 flow [2021-03-25 04:41:37,433 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 41 transitions, 224 flow, removed 12 selfloop flow, removed 8 redundant places. [2021-03-25 04:41:37,434 INFO L241 Difference]: Finished difference. Result has 48 places, 32 transitions, 180 flow [2021-03-25 04:41:37,434 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=195, PETRI_DIFFERENCE_MINUEND_FLOW=138, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=180, PETRI_PLACES=48, PETRI_TRANSITIONS=32} [2021-03-25 04:41:37,434 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, -4 predicate places. [2021-03-25 04:41:37,434 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:41:37,434 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 48 places, 32 transitions, 180 flow [2021-03-25 04:41:37,434 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 48 places, 32 transitions, 180 flow [2021-03-25 04:41:37,435 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 47 places, 32 transitions, 180 flow [2021-03-25 04:41:37,449 INFO L129 PetriNetUnfolder]: 59/186 cut-off events. [2021-03-25 04:41:37,449 INFO L130 PetriNetUnfolder]: For 242/267 co-relation queries the response was YES. [2021-03-25 04:41:37,449 INFO L84 FinitePrefix]: Finished finitePrefix Result has 568 conditions, 186 events. 59/186 cut-off events. For 242/267 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 914 event pairs, 20 based on Foata normal form. 14/192 useless extension candidates. Maximal degree in co-relation 548. Up to 72 conditions per place. [2021-03-25 04:41:37,450 INFO L142 LiptonReduction]: Number of co-enabled transitions 208 [2021-03-25 04:41:37,593 INFO L154 LiptonReduction]: Checked pairs total: 62 [2021-03-25 04:41:37,594 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-25 04:41:37,594 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 160 [2021-03-25 04:41:37,594 INFO L480 AbstractCegarLoop]: Abstraction has has 46 places, 31 transitions, 181 flow [2021-03-25 04:41:37,595 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 145.14285714285714) internal successors, (1016), 7 states have internal predecessors, (1016), 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) [2021-03-25 04:41:37,595 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:41:37,595 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:41:37,595 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-25 04:41:37,595 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:41:37,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:41:37,595 INFO L82 PathProgramCache]: Analyzing trace with hash -1024202092, now seen corresponding path program 1 times [2021-03-25 04:41:37,595 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:41:37,595 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953206803] [2021-03-25 04:41:37,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:41:37,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:41:37,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:41:37,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 04:41:37,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:41:37,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:41:37,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:41:37,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:41:37,638 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-03-25 04:41:37,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 04:41:37,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 04:41:37,645 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953206803] [2021-03-25 04:41:37,645 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:41:37,645 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-25 04:41:37,645 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669747580] [2021-03-25 04:41:37,646 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 04:41:37,646 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:41:37,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 04:41:37,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-25 04:41:37,664 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 148 out of 198 [2021-03-25 04:41:37,665 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 31 transitions, 181 flow. Second operand has 5 states, 5 states have (on average 149.6) internal successors, (748), 5 states have internal predecessors, (748), 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) [2021-03-25 04:41:37,666 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:41:37,666 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 148 of 198 [2021-03-25 04:41:37,666 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:41:37,710 INFO L129 PetriNetUnfolder]: 74/243 cut-off events. [2021-03-25 04:41:37,710 INFO L130 PetriNetUnfolder]: For 442/501 co-relation queries the response was YES. [2021-03-25 04:41:37,711 INFO L84 FinitePrefix]: Finished finitePrefix Result has 784 conditions, 243 events. 74/243 cut-off events. For 442/501 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 1385 event pairs, 19 based on Foata normal form. 25/258 useless extension candidates. Maximal degree in co-relation 763. Up to 94 conditions per place. [2021-03-25 04:41:37,711 INFO L132 encePairwiseOnDemand]: 192/198 looper letters, 5 selfloop transitions, 3 changer transitions 11/37 dead transitions. [2021-03-25 04:41:37,711 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 37 transitions, 269 flow [2021-03-25 04:41:37,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 04:41:37,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 04:41:37,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 755 transitions. [2021-03-25 04:41:37,713 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7626262626262627 [2021-03-25 04:41:37,713 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 755 transitions. [2021-03-25 04:41:37,713 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 755 transitions. [2021-03-25 04:41:37,713 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:41:37,713 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 755 transitions. [2021-03-25 04:41:37,714 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 151.0) internal successors, (755), 5 states have internal predecessors, (755), 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) [2021-03-25 04:41:37,716 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 198.0) internal successors, (1188), 6 states have internal predecessors, (1188), 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) [2021-03-25 04:41:37,716 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 198.0) internal successors, (1188), 6 states have internal predecessors, (1188), 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) [2021-03-25 04:41:37,716 INFO L185 Difference]: Start difference. First operand has 46 places, 31 transitions, 181 flow. Second operand 5 states and 755 transitions. [2021-03-25 04:41:37,716 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 37 transitions, 269 flow [2021-03-25 04:41:37,718 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 37 transitions, 258 flow, removed 1 selfloop flow, removed 3 redundant places. [2021-03-25 04:41:37,718 INFO L241 Difference]: Finished difference. Result has 48 places, 26 transitions, 153 flow [2021-03-25 04:41:37,718 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=198, PETRI_DIFFERENCE_MINUEND_FLOW=172, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=153, PETRI_PLACES=48, PETRI_TRANSITIONS=26} [2021-03-25 04:41:37,718 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, -4 predicate places. [2021-03-25 04:41:37,719 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:41:37,719 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 48 places, 26 transitions, 153 flow [2021-03-25 04:41:37,719 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 48 places, 26 transitions, 153 flow [2021-03-25 04:41:37,719 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 45 places, 26 transitions, 153 flow [2021-03-25 04:41:37,725 INFO L129 PetriNetUnfolder]: 18/63 cut-off events. [2021-03-25 04:41:37,725 INFO L130 PetriNetUnfolder]: For 89/98 co-relation queries the response was YES. [2021-03-25 04:41:37,725 INFO L84 FinitePrefix]: Finished finitePrefix Result has 199 conditions, 63 events. 18/63 cut-off events. For 89/98 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 176 event pairs, 6 based on Foata normal form. 3/63 useless extension candidates. Maximal degree in co-relation 180. Up to 24 conditions per place. [2021-03-25 04:41:37,725 INFO L142 LiptonReduction]: Number of co-enabled transitions 96 [2021-03-25 04:41:37,853 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2021-03-25 04:41:38,163 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 81 [2021-03-25 04:41:38,268 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-03-25 04:41:38,516 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-03-25 04:41:38,621 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-03-25 04:41:38,623 INFO L154 LiptonReduction]: Checked pairs total: 19 [2021-03-25 04:41:38,623 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-25 04:41:38,623 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 904 [2021-03-25 04:41:38,623 INFO L480 AbstractCegarLoop]: Abstraction has has 44 places, 25 transitions, 157 flow [2021-03-25 04:41:38,624 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 149.6) internal successors, (748), 5 states have internal predecessors, (748), 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) [2021-03-25 04:41:38,624 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:41:38,624 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:41:38,624 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-25 04:41:38,624 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:41:38,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:41:38,624 INFO L82 PathProgramCache]: Analyzing trace with hash -1082534798, now seen corresponding path program 1 times [2021-03-25 04:41:38,624 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:41:38,624 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218396025] [2021-03-25 04:41:38,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:41:38,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:41:38,669 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.1 percent of original size [2021-03-25 04:41:38,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 04:41:38,685 INFO L142 QuantifierPusher]: treesize reduction 3, result has 93.8 percent of original size [2021-03-25 04:41:38,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-25 04:41:38,709 INFO L142 QuantifierPusher]: treesize reduction 9, result has 66.7 percent of original size [2021-03-25 04:41:38,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 04:41:38,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:41:38,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 04:41:38,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:41:38,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:41:38,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 04:41:38,733 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218396025] [2021-03-25 04:41:38,734 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:41:38,734 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-25 04:41:38,734 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496497022] [2021-03-25 04:41:38,734 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-25 04:41:38,734 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:41:38,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-25 04:41:38,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-03-25 04:41:38,735 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 143 out of 201 [2021-03-25 04:41:38,736 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 25 transitions, 157 flow. Second operand has 7 states, 7 states have (on average 144.0) internal successors, (1008), 7 states have internal predecessors, (1008), 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) [2021-03-25 04:41:38,736 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:41:38,736 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 143 of 201 [2021-03-25 04:41:38,736 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:41:38,833 INFO L129 PetriNetUnfolder]: 25/84 cut-off events. [2021-03-25 04:41:38,833 INFO L130 PetriNetUnfolder]: For 213/246 co-relation queries the response was YES. [2021-03-25 04:41:38,833 INFO L84 FinitePrefix]: Finished finitePrefix Result has 288 conditions, 84 events. 25/84 cut-off events. For 213/246 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 311 event pairs, 0 based on Foata normal form. 12/92 useless extension candidates. Maximal degree in co-relation 266. Up to 27 conditions per place. [2021-03-25 04:41:38,834 INFO L132 encePairwiseOnDemand]: 195/201 looper letters, 8 selfloop transitions, 5 changer transitions 2/31 dead transitions. [2021-03-25 04:41:38,834 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 31 transitions, 225 flow [2021-03-25 04:41:38,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-25 04:41:38,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-25 04:41:38,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 873 transitions. [2021-03-25 04:41:38,835 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7238805970149254 [2021-03-25 04:41:38,836 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 873 transitions. [2021-03-25 04:41:38,836 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 873 transitions. [2021-03-25 04:41:38,836 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:41:38,836 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 873 transitions. [2021-03-25 04:41:38,837 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 145.5) internal successors, (873), 6 states have internal predecessors, (873), 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) [2021-03-25 04:41:38,838 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 201.0) internal successors, (1407), 7 states have internal predecessors, (1407), 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) [2021-03-25 04:41:38,839 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 201.0) internal successors, (1407), 7 states have internal predecessors, (1407), 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) [2021-03-25 04:41:38,839 INFO L185 Difference]: Start difference. First operand has 44 places, 25 transitions, 157 flow. Second operand 6 states and 873 transitions. [2021-03-25 04:41:38,839 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 31 transitions, 225 flow [2021-03-25 04:41:38,840 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 31 transitions, 193 flow, removed 14 selfloop flow, removed 5 redundant places. [2021-03-25 04:41:38,840 INFO L241 Difference]: Finished difference. Result has 46 places, 27 transitions, 168 flow [2021-03-25 04:41:38,840 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=201, PETRI_DIFFERENCE_MINUEND_FLOW=133, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=168, PETRI_PLACES=46, PETRI_TRANSITIONS=27} [2021-03-25 04:41:38,840 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, -6 predicate places. [2021-03-25 04:41:38,840 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:41:38,840 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 46 places, 27 transitions, 168 flow [2021-03-25 04:41:38,841 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 46 places, 27 transitions, 168 flow [2021-03-25 04:41:38,841 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 45 places, 27 transitions, 168 flow [2021-03-25 04:41:38,847 INFO L129 PetriNetUnfolder]: 21/74 cut-off events. [2021-03-25 04:41:38,847 INFO L130 PetriNetUnfolder]: For 124/139 co-relation queries the response was YES. [2021-03-25 04:41:38,847 INFO L84 FinitePrefix]: Finished finitePrefix Result has 232 conditions, 74 events. 21/74 cut-off events. For 124/139 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 247 event pairs, 4 based on Foata normal form. 7/78 useless extension candidates. Maximal degree in co-relation 213. Up to 23 conditions per place. [2021-03-25 04:41:38,847 INFO L142 LiptonReduction]: Number of co-enabled transitions 74 [2021-03-25 04:41:39,642 WARN L205 SmtUtils]: Spent 794.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 181 [2021-03-25 04:41:39,868 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2021-03-25 04:41:41,029 WARN L205 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 306 DAG size of output: 261 [2021-03-25 04:41:41,505 WARN L205 SmtUtils]: Spent 474.00 ms on a formula simplification that was a NOOP. DAG size: 258 [2021-03-25 04:41:41,509 INFO L154 LiptonReduction]: Checked pairs total: 5 [2021-03-25 04:41:41,509 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 04:41:41,509 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2669 [2021-03-25 04:41:41,509 INFO L480 AbstractCegarLoop]: Abstraction has has 45 places, 27 transitions, 173 flow [2021-03-25 04:41:41,509 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 144.0) internal successors, (1008), 7 states have internal predecessors, (1008), 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) [2021-03-25 04:41:41,509 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:41:41,510 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:41:41,510 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-03-25 04:41:41,510 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:41:41,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:41:41,510 INFO L82 PathProgramCache]: Analyzing trace with hash -1498616416, now seen corresponding path program 1 times [2021-03-25 04:41:41,510 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:41:41,510 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869021758] [2021-03-25 04:41:41,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:41:41,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-25 04:41:41,539 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-25 04:41:41,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-25 04:41:41,570 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-25 04:41:41,592 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-25 04:41:41,592 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-03-25 04:41:41,592 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-03-25 04:41:41,641 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.03 04:41:41 BasicIcfg [2021-03-25 04:41:41,641 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-25 04:41:41,642 INFO L168 Benchmark]: Toolchain (without parser) took 12542.09 ms. Allocated memory was 341.8 MB in the beginning and 666.9 MB in the end (delta: 325.1 MB). Free memory was 304.9 MB in the beginning and 386.6 MB in the end (delta: -81.7 MB). Peak memory consumption was 246.4 MB. Max. memory is 16.0 GB. [2021-03-25 04:41:41,642 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 341.8 MB. Free memory was 323.3 MB in the beginning and 323.2 MB in the end (delta: 77.2 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-25 04:41:41,642 INFO L168 Benchmark]: CACSL2BoogieTranslator took 364.01 ms. Allocated memory is still 341.8 MB. Free memory was 304.7 MB in the beginning and 302.9 MB in the end (delta: 1.8 MB). Peak memory consumption was 7.4 MB. Max. memory is 16.0 GB. [2021-03-25 04:41:41,642 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.00 ms. Allocated memory is still 341.8 MB. Free memory was 302.9 MB in the beginning and 299.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-03-25 04:41:41,642 INFO L168 Benchmark]: Boogie Preprocessor took 20.28 ms. Allocated memory is still 341.8 MB. Free memory was 299.7 MB in the beginning and 297.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-25 04:41:41,643 INFO L168 Benchmark]: RCFGBuilder took 1271.89 ms. Allocated memory is still 341.8 MB. Free memory was 297.7 MB in the beginning and 234.2 MB in the end (delta: 63.4 MB). Peak memory consumption was 141.0 MB. Max. memory is 16.0 GB. [2021-03-25 04:41:41,643 INFO L168 Benchmark]: TraceAbstraction took 10853.86 ms. Allocated memory was 341.8 MB in the beginning and 666.9 MB in the end (delta: 325.1 MB). Free memory was 234.2 MB in the beginning and 386.6 MB in the end (delta: -152.4 MB). Peak memory consumption was 172.7 MB. Max. memory is 16.0 GB. [2021-03-25 04:41:41,653 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 341.8 MB. Free memory was 323.3 MB in the beginning and 323.2 MB in the end (delta: 77.2 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 364.01 ms. Allocated memory is still 341.8 MB. Free memory was 304.7 MB in the beginning and 302.9 MB in the end (delta: 1.8 MB). Peak memory consumption was 7.4 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 28.00 ms. Allocated memory is still 341.8 MB. Free memory was 302.9 MB in the beginning and 299.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 20.28 ms. Allocated memory is still 341.8 MB. Free memory was 299.7 MB in the beginning and 297.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 1271.89 ms. Allocated memory is still 341.8 MB. Free memory was 297.7 MB in the beginning and 234.2 MB in the end (delta: 63.4 MB). Peak memory consumption was 141.0 MB. Max. memory is 16.0 GB. * TraceAbstraction took 10853.86 ms. Allocated memory was 341.8 MB in the beginning and 666.9 MB in the end (delta: 325.1 MB). Free memory was 234.2 MB in the beginning and 386.6 MB in the end (delta: -152.4 MB). Peak memory consumption was 172.7 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1814.9ms, 112 PlacesBefore, 52 PlacesAfterwards, 104 TransitionsBefore, 43 TransitionsAfterwards, 2054 CoEnabledTransitionPairs, 4 FixpointIterations, 30 TrivialSequentialCompositions, 35 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 1 ChoiceCompositions, 68 TotalNumberOfCompositions, 3242 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1700, positive: 1621, positive conditional: 0, positive unconditional: 1621, negative: 79, negative conditional: 0, negative unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 942, positive: 921, positive conditional: 0, positive unconditional: 921, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 942, positive: 921, positive conditional: 0, positive unconditional: 921, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1700, positive: 700, positive conditional: 0, positive unconditional: 700, negative: 58, negative conditional: 0, negative unconditional: 58, unknown: 942, unknown conditional: 0, unknown unconditional: 942] , Statistics on independence cache: Total cache size (in pairs): 117, Positive cache size: 104, Positive conditional cache size: 0, Positive unconditional cache size: 104, Negative cache size: 13, Negative conditional cache size: 0, Negative unconditional cache size: 13 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1026.4ms, 49 PlacesBefore, 36 PlacesAfterwards, 40 TransitionsBefore, 27 TransitionsAfterwards, 434 CoEnabledTransitionPairs, 3 FixpointIterations, 8 TrivialSequentialCompositions, 5 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 13 TotalNumberOfCompositions, 1436 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 468, positive: 385, positive conditional: 0, positive unconditional: 385, negative: 83, negative conditional: 0, negative unconditional: 83, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 74, positive: 61, positive conditional: 0, positive unconditional: 61, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 74, positive: 61, positive conditional: 0, positive unconditional: 61, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 468, positive: 324, positive conditional: 0, positive unconditional: 324, negative: 70, negative conditional: 0, negative unconditional: 70, unknown: 74, unknown conditional: 0, unknown unconditional: 74] , Statistics on independence cache: Total cache size (in pairs): 107, Positive cache size: 88, Positive conditional cache size: 0, Positive unconditional cache size: 88, Negative cache size: 19, Negative conditional cache size: 0, Negative unconditional cache size: 19 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1201.6ms, 40 PlacesBefore, 34 PlacesAfterwards, 29 TransitionsBefore, 26 TransitionsAfterwards, 276 CoEnabledTransitionPairs, 3 FixpointIterations, 3 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 666 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 244, positive: 202, positive conditional: 0, positive unconditional: 202, negative: 42, negative conditional: 0, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: 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] , Cache Queries: [ total: 244, positive: 198, positive conditional: 0, positive unconditional: 198, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 6, unknown conditional: 0, unknown unconditional: 6] , Statistics on independence cache: Total cache size (in pairs): 113, Positive cache size: 92, Positive conditional cache size: 0, Positive unconditional cache size: 92, Negative cache size: 21, Negative conditional cache size: 0, Negative unconditional cache size: 21 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 14.4ms, 36 PlacesBefore, 36 PlacesAfterwards, 26 TransitionsBefore, 26 TransitionsAfterwards, 274 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 221 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 86, positive: 72, positive conditional: 0, positive unconditional: 72, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 86, positive: 69, positive conditional: 0, positive unconditional: 69, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , Statistics on independence cache: Total cache size (in pairs): 116, Positive cache size: 95, Positive conditional cache size: 0, Positive unconditional cache size: 95, Negative cache size: 21, Negative conditional cache size: 0, Negative unconditional cache size: 21 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 9.6ms, 37 PlacesBefore, 37 PlacesAfterwards, 26 TransitionsBefore, 26 TransitionsAfterwards, 272 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 184 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 53, positive: 41, positive conditional: 0, positive unconditional: 41, negative: 12, negative conditional: 0, negative unconditional: 12, 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: 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] , Cache Queries: [ total: 53, positive: 41, positive conditional: 0, positive unconditional: 41, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 116, Positive cache size: 95, Positive conditional cache size: 0, Positive unconditional cache size: 95, Negative cache size: 21, Negative conditional cache size: 0, Negative unconditional cache size: 21 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 30.1ms, 42 PlacesBefore, 42 PlacesAfterwards, 33 TransitionsBefore, 32 TransitionsAfterwards, 366 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 531 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 129, positive: 103, positive conditional: 0, positive unconditional: 103, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 129, positive: 101, positive conditional: 0, positive unconditional: 101, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 104, Positive cache size: 86, Positive conditional cache size: 0, Positive unconditional cache size: 86, Negative cache size: 18, Negative conditional cache size: 0, Negative unconditional cache size: 18 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 49.1ms, 44 PlacesBefore, 44 PlacesAfterwards, 36 TransitionsBefore, 36 TransitionsAfterwards, 354 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 585 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 79, positive: 51, positive conditional: 0, positive unconditional: 51, negative: 28, negative conditional: 0, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 79, positive: 48, positive conditional: 0, positive unconditional: 48, negative: 28, negative conditional: 0, negative unconditional: 28, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , Statistics on independence cache: Total cache size (in pairs): 96, Positive cache size: 80, Positive conditional cache size: 0, Positive unconditional cache size: 80, Negative cache size: 16, Negative conditional cache size: 0, Negative unconditional cache size: 16 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 23.9ms, 52 PlacesBefore, 52 PlacesAfterwards, 43 TransitionsBefore, 42 TransitionsAfterwards, 436 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 823 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 115, positive: 79, positive conditional: 0, positive unconditional: 79, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 11, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 115, positive: 68, positive conditional: 0, positive unconditional: 68, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 11, unknown conditional: 0, unknown unconditional: 11] , Statistics on independence cache: Total cache size (in pairs): 96, Positive cache size: 80, Positive conditional cache size: 0, Positive unconditional cache size: 80, Negative cache size: 16, Negative conditional cache size: 0, Negative unconditional cache size: 16 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 15.8ms, 51 PlacesBefore, 51 PlacesAfterwards, 35 TransitionsBefore, 35 TransitionsAfterwards, 296 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 238 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 36, positive: 23, positive conditional: 0, positive unconditional: 23, negative: 13, negative conditional: 0, negative unconditional: 13, 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: 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] , Cache Queries: [ total: 36, positive: 23, positive conditional: 0, positive unconditional: 23, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 96, Positive cache size: 80, Positive conditional cache size: 0, Positive unconditional cache size: 80, Negative cache size: 16, Negative conditional cache size: 0, Negative unconditional cache size: 16 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 741.0ms, 55 PlacesBefore, 48 PlacesAfterwards, 32 TransitionsBefore, 28 TransitionsAfterwards, 230 CoEnabledTransitionPairs, 3 FixpointIterations, 1 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 4 TotalNumberOfCompositions, 448 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 142, positive: 109, positive conditional: 0, positive unconditional: 109, negative: 33, negative conditional: 0, negative unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 12, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 12, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 142, positive: 97, positive conditional: 0, positive unconditional: 97, negative: 33, negative conditional: 0, negative unconditional: 33, unknown: 12, unknown conditional: 0, unknown unconditional: 12] , Statistics on independence cache: Total cache size (in pairs): 65, Positive cache size: 54, Positive conditional cache size: 0, Positive unconditional cache size: 54, Negative cache size: 11, Negative conditional cache size: 0, Negative unconditional cache size: 11 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 159.3ms, 48 PlacesBefore, 46 PlacesAfterwards, 32 TransitionsBefore, 31 TransitionsAfterwards, 208 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 3 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 62 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 58, positive: 56, positive conditional: 0, positive unconditional: 56, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 58, positive: 53, positive conditional: 0, positive unconditional: 53, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , Statistics on independence cache: Total cache size (in pairs): 52, Positive cache size: 43, Positive conditional cache size: 0, Positive unconditional cache size: 43, Negative cache size: 9, Negative conditional cache size: 0, Negative unconditional cache size: 9 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 904.2ms, 48 PlacesBefore, 44 PlacesAfterwards, 26 TransitionsBefore, 25 TransitionsAfterwards, 96 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 3 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 19 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 19, positive: 19, positive conditional: 0, positive unconditional: 19, 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: 0, positive unconditional: 7, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: 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] , Cache Queries: [ total: 19, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 7, unknown conditional: 0, unknown unconditional: 7] , Statistics on independence cache: Total cache size (in pairs): 43, Positive cache size: 37, Positive conditional cache size: 0, Positive unconditional cache size: 37, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2668.2ms, 46 PlacesBefore, 45 PlacesAfterwards, 27 TransitionsBefore, 27 TransitionsAfterwards, 74 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 5 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 0, positive unconditional: 5, 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: 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] , Cache Queries: [ total: 5, positive: 5, positive conditional: 0, positive unconditional: 5, 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): 41, Positive cache size: 37, Positive conditional cache size: 0, Positive unconditional cache size: 37, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L709] 0 int __unbuffered_cnt = 0; [L711] 0 int __unbuffered_p0_EAX = 0; [L713] 0 int __unbuffered_p1_EAX = 0; [L715] 0 int __unbuffered_p1_EBX = 0; [L717] 0 int __unbuffered_p2_EAX = 0; [L719] 0 int __unbuffered_p2_EBX = 0; [L721] 0 int a = 0; [L723] 0 int b = 0; [L724] 0 _Bool b$flush_delayed; [L725] 0 int b$mem_tmp; [L726] 0 _Bool b$r_buff0_thd0; [L727] 0 _Bool b$r_buff0_thd1; [L728] 0 _Bool b$r_buff0_thd2; [L729] 0 _Bool b$r_buff0_thd3; [L730] 0 _Bool b$r_buff1_thd0; [L731] 0 _Bool b$r_buff1_thd1; [L732] 0 _Bool b$r_buff1_thd2; [L733] 0 _Bool b$r_buff1_thd3; [L734] 0 _Bool b$read_delayed; [L735] 0 int *b$read_delayed_var; [L736] 0 int b$w_buff0; [L737] 0 _Bool b$w_buff0_used; [L738] 0 int b$w_buff1; [L739] 0 _Bool b$w_buff1_used; [L740] 0 _Bool main$tmp_guard0; [L741] 0 _Bool main$tmp_guard1; [L743] 0 int x = 0; [L745] 0 int y = 0; [L747] 0 int z = 0; [L748] 0 _Bool weak$$choice0; [L749] 0 _Bool weak$$choice2; [L855] 0 pthread_t t849; [L856] FCALL, FORK 0 pthread_create(&t849, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=0, b$w_buff0_used=0, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L753] 1 b$w_buff1 = b$w_buff0 [L754] 1 b$w_buff0 = 1 [L755] 1 b$w_buff1_used = b$w_buff0_used [L756] 1 b$w_buff0_used = (_Bool)1 [L18] COND FALSE 1 !(!expression) [L758] 1 b$r_buff1_thd0 = b$r_buff0_thd0 [L759] 1 b$r_buff1_thd1 = b$r_buff0_thd1 [L760] 1 b$r_buff1_thd2 = b$r_buff0_thd2 [L761] 1 b$r_buff1_thd3 = b$r_buff0_thd3 [L762] 1 b$r_buff0_thd1 = (_Bool)1 [L765] 1 __unbuffered_p0_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L857] 0 pthread_t t850; [L858] FCALL, FORK 0 pthread_create(&t850, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L782] 2 x = 1 [L785] 2 y = 1 [L788] 2 __unbuffered_p1_EAX = y [L791] 2 __unbuffered_p1_EBX = z VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=0] [L859] 0 pthread_t t851; [L860] FCALL, FORK 0 pthread_create(&t851, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=0] [L808] 3 z = 1 [L811] 3 a = 1 [L814] 3 __unbuffered_p2_EAX = a VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=1] [L817] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L818] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L819] 3 b$flush_delayed = weak$$choice2 [L820] 3 b$mem_tmp = b [L821] EXPR 3 !b$w_buff0_used || !b$r_buff0_thd3 && !b$w_buff1_used || !b$r_buff0_thd3 && !b$r_buff1_thd3 ? b : (b$w_buff0_used && b$r_buff0_thd3 ? b$w_buff0 : b$w_buff1) [L821] 3 b = !b$w_buff0_used || !b$r_buff0_thd3 && !b$w_buff1_used || !b$r_buff0_thd3 && !b$r_buff1_thd3 ? b : (b$w_buff0_used && b$r_buff0_thd3 ? b$w_buff0 : b$w_buff1) [L822] EXPR 3 weak$$choice2 ? b$w_buff0 : (!b$w_buff0_used || !b$r_buff0_thd3 && !b$w_buff1_used || !b$r_buff0_thd3 && !b$r_buff1_thd3 ? b$w_buff0 : (b$w_buff0_used && b$r_buff0_thd3 ? b$w_buff0 : b$w_buff0)) [L822] EXPR 3 !b$w_buff0_used || !b$r_buff0_thd3 && !b$w_buff1_used || !b$r_buff0_thd3 && !b$r_buff1_thd3 ? b$w_buff0 : (b$w_buff0_used && b$r_buff0_thd3 ? b$w_buff0 : b$w_buff0) [L822] EXPR 3 weak$$choice2 ? b$w_buff0 : (!b$w_buff0_used || !b$r_buff0_thd3 && !b$w_buff1_used || !b$r_buff0_thd3 && !b$r_buff1_thd3 ? b$w_buff0 : (b$w_buff0_used && b$r_buff0_thd3 ? b$w_buff0 : b$w_buff0)) [L822] 3 b$w_buff0 = weak$$choice2 ? b$w_buff0 : (!b$w_buff0_used || !b$r_buff0_thd3 && !b$w_buff1_used || !b$r_buff0_thd3 && !b$r_buff1_thd3 ? b$w_buff0 : (b$w_buff0_used && b$r_buff0_thd3 ? b$w_buff0 : b$w_buff0)) [L823] EXPR 3 weak$$choice2 ? b$w_buff1 : (!b$w_buff0_used || !b$r_buff0_thd3 && !b$w_buff1_used || !b$r_buff0_thd3 && !b$r_buff1_thd3 ? b$w_buff1 : (b$w_buff0_used && b$r_buff0_thd3 ? b$w_buff1 : b$w_buff1)) [L823] EXPR 3 !b$w_buff0_used || !b$r_buff0_thd3 && !b$w_buff1_used || !b$r_buff0_thd3 && !b$r_buff1_thd3 ? b$w_buff1 : (b$w_buff0_used && b$r_buff0_thd3 ? b$w_buff1 : b$w_buff1) [L823] EXPR 3 weak$$choice2 ? b$w_buff1 : (!b$w_buff0_used || !b$r_buff0_thd3 && !b$w_buff1_used || !b$r_buff0_thd3 && !b$r_buff1_thd3 ? b$w_buff1 : (b$w_buff0_used && b$r_buff0_thd3 ? b$w_buff1 : b$w_buff1)) [L823] 3 b$w_buff1 = weak$$choice2 ? b$w_buff1 : (!b$w_buff0_used || !b$r_buff0_thd3 && !b$w_buff1_used || !b$r_buff0_thd3 && !b$r_buff1_thd3 ? b$w_buff1 : (b$w_buff0_used && b$r_buff0_thd3 ? b$w_buff1 : b$w_buff1)) [L824] EXPR 3 weak$$choice2 ? b$w_buff0_used : (!b$w_buff0_used || !b$r_buff0_thd3 && !b$w_buff1_used || !b$r_buff0_thd3 && !b$r_buff1_thd3 ? b$w_buff0_used : (b$w_buff0_used && b$r_buff0_thd3 ? (_Bool)0 : b$w_buff0_used)) [L824] EXPR 3 !b$w_buff0_used || !b$r_buff0_thd3 && !b$w_buff1_used || !b$r_buff0_thd3 && !b$r_buff1_thd3 ? b$w_buff0_used : (b$w_buff0_used && b$r_buff0_thd3 ? (_Bool)0 : b$w_buff0_used) [L824] EXPR 3 weak$$choice2 ? b$w_buff0_used : (!b$w_buff0_used || !b$r_buff0_thd3 && !b$w_buff1_used || !b$r_buff0_thd3 && !b$r_buff1_thd3 ? b$w_buff0_used : (b$w_buff0_used && b$r_buff0_thd3 ? (_Bool)0 : b$w_buff0_used)) [L824] 3 b$w_buff0_used = weak$$choice2 ? b$w_buff0_used : (!b$w_buff0_used || !b$r_buff0_thd3 && !b$w_buff1_used || !b$r_buff0_thd3 && !b$r_buff1_thd3 ? b$w_buff0_used : (b$w_buff0_used && b$r_buff0_thd3 ? (_Bool)0 : b$w_buff0_used)) [L825] EXPR 3 weak$$choice2 ? b$w_buff1_used : (!b$w_buff0_used || !b$r_buff0_thd3 && !b$w_buff1_used || !b$r_buff0_thd3 && !b$r_buff1_thd3 ? b$w_buff1_used : (b$w_buff0_used && b$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L825] EXPR 3 !b$w_buff0_used || !b$r_buff0_thd3 && !b$w_buff1_used || !b$r_buff0_thd3 && !b$r_buff1_thd3 ? b$w_buff1_used : (b$w_buff0_used && b$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L825] EXPR 3 weak$$choice2 ? b$w_buff1_used : (!b$w_buff0_used || !b$r_buff0_thd3 && !b$w_buff1_used || !b$r_buff0_thd3 && !b$r_buff1_thd3 ? b$w_buff1_used : (b$w_buff0_used && b$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L825] 3 b$w_buff1_used = weak$$choice2 ? b$w_buff1_used : (!b$w_buff0_used || !b$r_buff0_thd3 && !b$w_buff1_used || !b$r_buff0_thd3 && !b$r_buff1_thd3 ? b$w_buff1_used : (b$w_buff0_used && b$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L826] EXPR 3 weak$$choice2 ? b$r_buff0_thd3 : (!b$w_buff0_used || !b$r_buff0_thd3 && !b$w_buff1_used || !b$r_buff0_thd3 && !b$r_buff1_thd3 ? b$r_buff0_thd3 : (b$w_buff0_used && b$r_buff0_thd3 ? (_Bool)0 : b$r_buff0_thd3)) [L826] EXPR 3 !b$w_buff0_used || !b$r_buff0_thd3 && !b$w_buff1_used || !b$r_buff0_thd3 && !b$r_buff1_thd3 ? b$r_buff0_thd3 : (b$w_buff0_used && b$r_buff0_thd3 ? (_Bool)0 : b$r_buff0_thd3) [L826] EXPR 3 weak$$choice2 ? b$r_buff0_thd3 : (!b$w_buff0_used || !b$r_buff0_thd3 && !b$w_buff1_used || !b$r_buff0_thd3 && !b$r_buff1_thd3 ? b$r_buff0_thd3 : (b$w_buff0_used && b$r_buff0_thd3 ? (_Bool)0 : b$r_buff0_thd3)) [L826] 3 b$r_buff0_thd3 = weak$$choice2 ? b$r_buff0_thd3 : (!b$w_buff0_used || !b$r_buff0_thd3 && !b$w_buff1_used || !b$r_buff0_thd3 && !b$r_buff1_thd3 ? b$r_buff0_thd3 : (b$w_buff0_used && b$r_buff0_thd3 ? (_Bool)0 : b$r_buff0_thd3)) [L827] EXPR 3 weak$$choice2 ? b$r_buff1_thd3 : (!b$w_buff0_used || !b$r_buff0_thd3 && !b$w_buff1_used || !b$r_buff0_thd3 && !b$r_buff1_thd3 ? b$r_buff1_thd3 : (b$w_buff0_used && b$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L827] EXPR 3 !b$w_buff0_used || !b$r_buff0_thd3 && !b$w_buff1_used || !b$r_buff0_thd3 && !b$r_buff1_thd3 ? b$r_buff1_thd3 : (b$w_buff0_used && b$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L827] EXPR 3 weak$$choice2 ? b$r_buff1_thd3 : (!b$w_buff0_used || !b$r_buff0_thd3 && !b$w_buff1_used || !b$r_buff0_thd3 && !b$r_buff1_thd3 ? b$r_buff1_thd3 : (b$w_buff0_used && b$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L827] 3 b$r_buff1_thd3 = weak$$choice2 ? b$r_buff1_thd3 : (!b$w_buff0_used || !b$r_buff0_thd3 && !b$w_buff1_used || !b$r_buff0_thd3 && !b$r_buff1_thd3 ? b$r_buff1_thd3 : (b$w_buff0_used && b$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L828] 3 __unbuffered_p2_EBX = b [L829] EXPR 3 b$flush_delayed ? b$mem_tmp : b [L829] 3 b = b$flush_delayed ? b$mem_tmp : b [L830] 3 b$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=1, z=1] [L833] EXPR 3 b$w_buff0_used && b$r_buff0_thd3 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd3 ? b$w_buff1 : b) [L833] EXPR 3 b$w_buff1_used && b$r_buff1_thd3 ? b$w_buff1 : b [L833] EXPR 3 b$w_buff0_used && b$r_buff0_thd3 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd3 ? b$w_buff1 : b) [L833] 3 b = b$w_buff0_used && b$r_buff0_thd3 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd3 ? b$w_buff1 : b) [L834] EXPR 3 b$w_buff0_used && b$r_buff0_thd3 ? (_Bool)0 : b$w_buff0_used [L834] 3 b$w_buff0_used = b$w_buff0_used && b$r_buff0_thd3 ? (_Bool)0 : b$w_buff0_used [L835] EXPR 3 b$w_buff0_used && b$r_buff0_thd3 || b$w_buff1_used && b$r_buff1_thd3 ? (_Bool)0 : b$w_buff1_used [L835] 3 b$w_buff1_used = b$w_buff0_used && b$r_buff0_thd3 || b$w_buff1_used && b$r_buff1_thd3 ? (_Bool)0 : b$w_buff1_used [L836] EXPR 3 b$w_buff0_used && b$r_buff0_thd3 ? (_Bool)0 : b$r_buff0_thd3 [L836] 3 b$r_buff0_thd3 = b$w_buff0_used && b$r_buff0_thd3 ? (_Bool)0 : b$r_buff0_thd3 [L837] EXPR 3 b$w_buff0_used && b$r_buff0_thd3 || b$w_buff1_used && b$r_buff1_thd3 ? (_Bool)0 : b$r_buff1_thd3 [L837] 3 b$r_buff1_thd3 = b$w_buff0_used && b$r_buff0_thd3 || b$w_buff1_used && b$r_buff1_thd3 ? (_Bool)0 : b$r_buff1_thd3 [L768] EXPR 1 b$w_buff0_used && b$r_buff0_thd1 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd1 ? b$w_buff1 : b) [L768] 1 b = b$w_buff0_used && b$r_buff0_thd1 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd1 ? b$w_buff1 : b) [L769] EXPR 1 b$w_buff0_used && b$r_buff0_thd1 ? (_Bool)0 : b$w_buff0_used [L769] 1 b$w_buff0_used = b$w_buff0_used && b$r_buff0_thd1 ? (_Bool)0 : b$w_buff0_used [L770] EXPR 1 b$w_buff0_used && b$r_buff0_thd1 || b$w_buff1_used && b$r_buff1_thd1 ? (_Bool)0 : b$w_buff1_used [L770] 1 b$w_buff1_used = b$w_buff0_used && b$r_buff0_thd1 || b$w_buff1_used && b$r_buff1_thd1 ? (_Bool)0 : b$w_buff1_used [L771] EXPR 1 b$w_buff0_used && b$r_buff0_thd1 ? (_Bool)0 : b$r_buff0_thd1 [L771] 1 b$r_buff0_thd1 = b$w_buff0_used && b$r_buff0_thd1 ? (_Bool)0 : b$r_buff0_thd1 [L772] EXPR 1 b$w_buff0_used && b$r_buff0_thd1 || b$w_buff1_used && b$r_buff1_thd1 ? (_Bool)0 : b$r_buff1_thd1 [L772] 1 b$r_buff1_thd1 = b$w_buff0_used && b$r_buff0_thd1 || b$w_buff1_used && b$r_buff1_thd1 ? (_Bool)0 : b$r_buff1_thd1 [L794] EXPR 2 b$w_buff0_used && b$r_buff0_thd2 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd2 ? b$w_buff1 : b) [L794] EXPR 2 b$w_buff1_used && b$r_buff1_thd2 ? b$w_buff1 : b [L794] EXPR 2 b$w_buff0_used && b$r_buff0_thd2 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd2 ? b$w_buff1 : b) [L794] 2 b = b$w_buff0_used && b$r_buff0_thd2 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd2 ? b$w_buff1 : b) [L795] EXPR 2 b$w_buff0_used && b$r_buff0_thd2 ? (_Bool)0 : b$w_buff0_used [L795] 2 b$w_buff0_used = b$w_buff0_used && b$r_buff0_thd2 ? (_Bool)0 : b$w_buff0_used [L796] EXPR 2 b$w_buff0_used && b$r_buff0_thd2 || b$w_buff1_used && b$r_buff1_thd2 ? (_Bool)0 : b$w_buff1_used [L796] 2 b$w_buff1_used = b$w_buff0_used && b$r_buff0_thd2 || b$w_buff1_used && b$r_buff1_thd2 ? (_Bool)0 : b$w_buff1_used [L797] EXPR 2 b$w_buff0_used && b$r_buff0_thd2 ? (_Bool)0 : b$r_buff0_thd2 [L797] 2 b$r_buff0_thd2 = b$w_buff0_used && b$r_buff0_thd2 ? (_Bool)0 : b$r_buff0_thd2 [L798] EXPR 2 b$w_buff0_used && b$r_buff0_thd2 || b$w_buff1_used && b$r_buff1_thd2 ? (_Bool)0 : b$r_buff1_thd2 [L798] 2 b$r_buff1_thd2 = b$w_buff0_used && b$r_buff0_thd2 || b$w_buff1_used && b$r_buff1_thd2 ? (_Bool)0 : b$r_buff1_thd2 [L801] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L803] 2 return 0; [L775] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L777] 1 return 0; [L840] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L842] 3 return 0; [L862] 0 main$tmp_guard0 = __unbuffered_cnt == 3 [L3] COND FALSE 0 !(!cond) [L866] EXPR 0 b$w_buff0_used && b$r_buff0_thd0 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd0 ? b$w_buff1 : b) [L866] EXPR 0 b$w_buff1_used && b$r_buff1_thd0 ? b$w_buff1 : b [L866] EXPR 0 b$w_buff0_used && b$r_buff0_thd0 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd0 ? b$w_buff1 : b) [L866] 0 b = b$w_buff0_used && b$r_buff0_thd0 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd0 ? b$w_buff1 : b) [L867] EXPR 0 b$w_buff0_used && b$r_buff0_thd0 ? (_Bool)0 : b$w_buff0_used [L867] 0 b$w_buff0_used = b$w_buff0_used && b$r_buff0_thd0 ? (_Bool)0 : b$w_buff0_used [L868] EXPR 0 b$w_buff0_used && b$r_buff0_thd0 || b$w_buff1_used && b$r_buff1_thd0 ? (_Bool)0 : b$w_buff1_used [L868] 0 b$w_buff1_used = b$w_buff0_used && b$r_buff0_thd0 || b$w_buff1_used && b$r_buff1_thd0 ? (_Bool)0 : b$w_buff1_used [L869] EXPR 0 b$w_buff0_used && b$r_buff0_thd0 ? (_Bool)0 : b$r_buff0_thd0 [L869] 0 b$r_buff0_thd0 = b$w_buff0_used && b$r_buff0_thd0 ? (_Bool)0 : b$r_buff0_thd0 [L870] EXPR 0 b$w_buff0_used && b$r_buff0_thd0 || b$w_buff1_used && b$r_buff1_thd0 ? (_Bool)0 : b$r_buff1_thd0 [L870] 0 b$r_buff1_thd0 = b$w_buff0_used && b$r_buff0_thd0 || b$w_buff1_used && b$r_buff1_thd0 ? (_Bool)0 : b$r_buff1_thd0 [L873] 0 main$tmp_guard1 = !(__unbuffered_p0_EAX == 0 && __unbuffered_p1_EAX == 1 && __unbuffered_p1_EBX == 0 && __unbuffered_p2_EAX == 1 && __unbuffered_p2_EBX == 0) [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=0, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=1, z=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 106 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 1.9ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 10727.8ms, OverallIterations: 13, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 820.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1861.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 75 SDtfs, 44 SDslu, 39 SDs, 0 SdLazy, 258 SolverSat, 65 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 218.3ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 52 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 265.4ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=286occurred in iteration=7, InterpolantAutomatonStates: 58, 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: 27.4ms SsaConstructionTime, 294.9ms SatisfiabilityAnalysisTime, 664.8ms InterpolantComputationTime, 221 NumberOfCodeBlocks, 221 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 192 ConstructedInterpolants, 0 QuantifiedInterpolants, 1473 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...