/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/rfi004_power.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-26 00:29:05,317 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-26 00:29:05,320 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-26 00:29:05,365 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-03-26 00:29:05,388 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-26 00:29:05,390 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-26 00:29:05,392 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-26 00:29:05,393 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-26 00:29:05,397 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-26 00:29:05,398 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-26 00:29:05,401 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-26 00:29:05,412 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-26 00:29:05,414 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-26 00:29:05,415 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-26 00:29:05,417 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-26 00:29:05,419 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-26 00:29:05,425 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-26 00:29:05,450 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-26 00:29:05,451 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-26 00:29:05,452 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-26 00:29:05,456 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf [2021-03-26 00:29:05,494 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-26 00:29:05,494 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-26 00:29:05,498 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-26 00:29:05,499 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-26 00:29:05,499 INFO L138 SettingsManager]: * Use SBE=true [2021-03-26 00:29:05,499 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-26 00:29:05,499 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-26 00:29:05,499 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-26 00:29:05,499 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-26 00:29:05,500 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-26 00:29:05,501 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-26 00:29:05,501 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-26 00:29:05,501 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-26 00:29:05,501 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-26 00:29:05,502 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-26 00:29:05,502 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-26 00:29:05,502 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-26 00:29:05,502 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-26 00:29:05,502 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-26 00:29:05,502 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-26 00:29:05,503 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-26 00:29:05,503 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-26 00:29:05,503 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-26 00:29:05,503 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-26 00:29:05,503 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-26 00:29:05,503 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-26 00:29:05,504 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-26 00:29:05,504 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-03-26 00:29:05,504 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-26 00:29:05,504 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-26 00:29:05,504 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-26 00:29:05,824 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-26 00:29:05,842 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-26 00:29:05,844 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-26 00:29:05,846 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-26 00:29:05,846 INFO L275 PluginConnector]: CDTParser initialized [2021-03-26 00:29:05,847 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/rfi004_power.opt.i [2021-03-26 00:29:05,914 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e26e7161c/37ebdb11a90b48d0a28884f7326902ae/FLAG398e6e1cf [2021-03-26 00:29:06,532 INFO L306 CDTParser]: Found 1 translation units. [2021-03-26 00:29:06,532 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi004_power.opt.i [2021-03-26 00:29:06,550 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e26e7161c/37ebdb11a90b48d0a28884f7326902ae/FLAG398e6e1cf [2021-03-26 00:29:06,924 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e26e7161c/37ebdb11a90b48d0a28884f7326902ae [2021-03-26 00:29:06,927 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-26 00:29:06,929 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-26 00:29:06,933 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-26 00:29:06,933 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-26 00:29:06,937 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-26 00:29:06,937 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.03 12:29:06" (1/1) ... [2021-03-26 00:29:06,939 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72c7570c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:29:06, skipping insertion in model container [2021-03-26 00:29:06,939 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.03 12:29:06" (1/1) ... [2021-03-26 00:29:06,946 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-26 00:29:06,993 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-26 00:29:07,142 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/rfi004_power.opt.i[993,1006] [2021-03-26 00:29:07,319 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-26 00:29:07,335 INFO L203 MainTranslator]: Completed pre-run [2021-03-26 00:29:07,349 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/rfi004_power.opt.i[993,1006] [2021-03-26 00:29:07,392 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-26 00:29:07,450 INFO L208 MainTranslator]: Completed translation [2021-03-26 00:29:07,450 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:29:07 WrapperNode [2021-03-26 00:29:07,450 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-26 00:29:07,451 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-26 00:29:07,451 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-26 00:29:07,452 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-26 00:29:07,458 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:29:07" (1/1) ... [2021-03-26 00:29:07,473 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:29:07" (1/1) ... [2021-03-26 00:29:07,515 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-26 00:29:07,515 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-26 00:29:07,516 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-26 00:29:07,516 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-26 00:29:07,525 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:29:07" (1/1) ... [2021-03-26 00:29:07,525 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:29:07" (1/1) ... [2021-03-26 00:29:07,533 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:29:07" (1/1) ... [2021-03-26 00:29:07,534 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:29:07" (1/1) ... [2021-03-26 00:29:07,541 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:29:07" (1/1) ... [2021-03-26 00:29:07,553 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:29:07" (1/1) ... [2021-03-26 00:29:07,556 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:29:07" (1/1) ... [2021-03-26 00:29:07,562 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-26 00:29:07,572 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-26 00:29:07,572 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-26 00:29:07,572 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-26 00:29:07,573 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:29:07" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-26 00:29:07,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-26 00:29:07,631 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-26 00:29:07,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-26 00:29:07,632 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-26 00:29:07,632 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-03-26 00:29:07,633 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-03-26 00:29:07,633 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-03-26 00:29:07,633 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-03-26 00:29:07,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-26 00:29:07,634 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-26 00:29:07,634 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-26 00:29:07,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-26 00:29:07,635 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-26 00:29:09,312 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-26 00:29:09,313 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-03-26 00:29:09,316 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 12:29:09 BoogieIcfgContainer [2021-03-26 00:29:09,316 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-26 00:29:09,318 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-26 00:29:09,318 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-26 00:29:09,320 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-26 00:29:09,320 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.03 12:29:06" (1/3) ... [2021-03-26 00:29:09,321 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e2ba10d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.03 12:29:09, skipping insertion in model container [2021-03-26 00:29:09,322 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:29:07" (2/3) ... [2021-03-26 00:29:09,322 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e2ba10d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.03 12:29:09, skipping insertion in model container [2021-03-26 00:29:09,322 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 12:29:09" (3/3) ... [2021-03-26 00:29:09,324 INFO L111 eAbstractionObserver]: Analyzing ICFG rfi004_power.opt.i [2021-03-26 00:29:09,329 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-26 00:29:09,334 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-03-26 00:29:09,335 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-26 00:29:09,366 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,366 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,367 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,367 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,367 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,367 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,367 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,367 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,367 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,367 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,368 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,368 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,368 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,368 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,368 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,368 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,368 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,368 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,368 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,368 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,369 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,369 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,369 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,369 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,369 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,370 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,370 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,370 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,370 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,370 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,370 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,370 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,370 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,371 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,371 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,371 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,372 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,372 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,372 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,372 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,372 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,372 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,372 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,372 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,372 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,372 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,374 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,374 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,374 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,374 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,375 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,375 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,375 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,375 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,375 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,375 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,376 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,376 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,376 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,376 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,376 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,376 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,376 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,376 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,376 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,376 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,377 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,377 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,377 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,377 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,377 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,377 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,377 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,378 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,378 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,378 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,378 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,378 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,379 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,379 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,379 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,379 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,379 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,380 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,382 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,382 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,382 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,382 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,383 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,383 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,383 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,384 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,384 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,384 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,384 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,384 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,384 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,385 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,386 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,386 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,388 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,390 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,391 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,391 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,391 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,397 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,397 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,397 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,397 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,397 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,397 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,398 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,398 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,398 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,398 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,398 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,398 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,398 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,399 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,399 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,399 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,399 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,401 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,401 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,401 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,402 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,402 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,402 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,402 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,402 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,402 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,402 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,402 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,402 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,404 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,404 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,404 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,404 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,405 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,405 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,405 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,405 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,405 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,405 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,405 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,405 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,405 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,405 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,405 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,406 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,406 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,406 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,406 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,406 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,406 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,406 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,406 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,406 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,406 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,406 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,407 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:29:09,408 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-26 00:29:09,425 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-03-26 00:29:09,460 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-26 00:29:09,460 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-26 00:29:09,460 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-26 00:29:09,460 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-26 00:29:09,460 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-26 00:29:09,460 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-26 00:29:09,460 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-26 00:29:09,460 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-26 00:29:09,475 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 89 places, 84 transitions, 178 flow [2021-03-26 00:29:09,516 INFO L129 PetriNetUnfolder]: 2/82 cut-off events. [2021-03-26 00:29:09,516 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 00:29:09,546 INFO L84 FinitePrefix]: Finished finitePrefix Result has 89 conditions, 82 events. 2/82 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 47 event pairs, 0 based on Foata normal form. 0/78 useless extension candidates. Maximal degree in co-relation 47. Up to 2 conditions per place. [2021-03-26 00:29:09,546 INFO L82 GeneralOperation]: Start removeDead. Operand has 89 places, 84 transitions, 178 flow [2021-03-26 00:29:09,552 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 87 places, 82 transitions, 170 flow [2021-03-26 00:29:09,553 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:29:09,566 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 87 places, 82 transitions, 170 flow [2021-03-26 00:29:09,569 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 87 places, 82 transitions, 170 flow [2021-03-26 00:29:09,572 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 87 places, 82 transitions, 170 flow [2021-03-26 00:29:09,598 INFO L129 PetriNetUnfolder]: 2/82 cut-off events. [2021-03-26 00:29:09,598 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 00:29:09,599 INFO L84 FinitePrefix]: Finished finitePrefix Result has 89 conditions, 82 events. 2/82 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 50 event pairs, 0 based on Foata normal form. 0/78 useless extension candidates. Maximal degree in co-relation 47. Up to 2 conditions per place. [2021-03-26 00:29:09,603 INFO L142 LiptonReduction]: Number of co-enabled transitions 968 [2021-03-26 00:29:10,190 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2021-03-26 00:29:10,611 WARN L205 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 81 [2021-03-26 00:29:10,731 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-03-26 00:29:12,130 INFO L154 LiptonReduction]: Checked pairs total: 1372 [2021-03-26 00:29:12,130 INFO L156 LiptonReduction]: Total number of compositions: 58 [2021-03-26 00:29:12,132 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2580 [2021-03-26 00:29:12,141 INFO L129 PetriNetUnfolder]: 0/16 cut-off events. [2021-03-26 00:29:12,141 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 00:29:12,141 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:29:12,142 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:29:12,142 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:29:12,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:29:12,146 INFO L82 PathProgramCache]: Analyzing trace with hash -5866582, now seen corresponding path program 1 times [2021-03-26 00:29:12,153 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:29:12,153 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017540127] [2021-03-26 00:29:12,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:29:12,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:29:12,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:29:12,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 00:29:12,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:29:12,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:29:12,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 00:29:12,401 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017540127] [2021-03-26 00:29:12,401 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:29:12,401 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-26 00:29:12,402 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834627326] [2021-03-26 00:29:12,410 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 00:29:12,410 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:29:12,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 00:29:12,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 00:29:12,423 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 122 out of 142 [2021-03-26 00:29:12,428 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 32 transitions, 70 flow. Second operand has 3 states, 3 states have (on average 122.66666666666667) internal successors, (368), 3 states have internal predecessors, (368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:29:12,428 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:29:12,428 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 122 of 142 [2021-03-26 00:29:12,429 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:29:12,482 INFO L129 PetriNetUnfolder]: 9/74 cut-off events. [2021-03-26 00:29:12,483 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 00:29:12,484 INFO L84 FinitePrefix]: Finished finitePrefix Result has 103 conditions, 74 events. 9/74 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 213 event pairs, 3 based on Foata normal form. 5/72 useless extension candidates. Maximal degree in co-relation 86. Up to 17 conditions per place. [2021-03-26 00:29:12,486 INFO L132 encePairwiseOnDemand]: 138/142 looper letters, 5 selfloop transitions, 2 changer transitions 0/32 dead transitions. [2021-03-26 00:29:12,486 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 32 transitions, 84 flow [2021-03-26 00:29:12,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 00:29:12,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 00:29:12,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 376 transitions. [2021-03-26 00:29:12,496 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8826291079812206 [2021-03-26 00:29:12,496 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 376 transitions. [2021-03-26 00:29:12,497 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 376 transitions. [2021-03-26 00:29:12,498 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:29:12,500 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 376 transitions. [2021-03-26 00:29:12,503 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 125.33333333333333) internal successors, (376), 3 states have internal predecessors, (376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:29:12,508 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 142.0) internal successors, (568), 4 states have internal predecessors, (568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:29:12,508 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 142.0) internal successors, (568), 4 states have internal predecessors, (568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:29:12,510 INFO L185 Difference]: Start difference. First operand has 38 places, 32 transitions, 70 flow. Second operand 3 states and 376 transitions. [2021-03-26 00:29:12,510 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 32 transitions, 84 flow [2021-03-26 00:29:12,512 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 32 transitions, 82 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-26 00:29:12,513 INFO L241 Difference]: Finished difference. Result has 37 places, 30 transitions, 68 flow [2021-03-26 00:29:12,515 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=142, PETRI_DIFFERENCE_MINUEND_FLOW=64, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=68, PETRI_PLACES=37, PETRI_TRANSITIONS=30} [2021-03-26 00:29:12,516 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, -1 predicate places. [2021-03-26 00:29:12,516 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:29:12,516 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 37 places, 30 transitions, 68 flow [2021-03-26 00:29:12,516 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 37 places, 30 transitions, 68 flow [2021-03-26 00:29:12,516 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 37 places, 30 transitions, 68 flow [2021-03-26 00:29:12,520 INFO L129 PetriNetUnfolder]: 0/30 cut-off events. [2021-03-26 00:29:12,521 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 00:29:12,521 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38 conditions, 30 events. 0/30 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 29 event pairs, 0 based on Foata normal form. 0/28 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-03-26 00:29:12,521 INFO L142 LiptonReduction]: Number of co-enabled transitions 202 [2021-03-26 00:29:13,878 INFO L154 LiptonReduction]: Checked pairs total: 625 [2021-03-26 00:29:13,878 INFO L156 LiptonReduction]: Total number of compositions: 13 [2021-03-26 00:29:13,878 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1362 [2021-03-26 00:29:13,881 INFO L480 AbstractCegarLoop]: Abstraction has has 25 places, 18 transitions, 44 flow [2021-03-26 00:29:13,881 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 122.66666666666667) internal successors, (368), 3 states have internal predecessors, (368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:29:13,881 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:29:13,881 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:29:13,882 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-26 00:29:13,882 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:29:13,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:29:13,889 INFO L82 PathProgramCache]: Analyzing trace with hash -1946974624, now seen corresponding path program 1 times [2021-03-26 00:29:13,889 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:29:13,889 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921542492] [2021-03-26 00:29:13,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:29:13,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:29:13,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:29:13,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 00:29:13,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:29:13,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:29:14,003 INFO L142 QuantifierPusher]: treesize reduction 3, result has 81.3 percent of original size [2021-03-26 00:29:14,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 00:29:14,016 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-26 00:29:14,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 00:29:14,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 00:29:14,024 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1921542492] [2021-03-26 00:29:14,024 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:29:14,024 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-26 00:29:14,024 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758314197] [2021-03-26 00:29:14,025 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 00:29:14,025 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:29:14,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 00:29:14,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-26 00:29:14,026 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 125 out of 155 [2021-03-26 00:29:14,027 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 25 places, 18 transitions, 44 flow. Second operand has 5 states, 5 states have (on average 125.8) internal successors, (629), 5 states have internal predecessors, (629), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:29:14,027 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:29:14,027 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 125 of 155 [2021-03-26 00:29:14,027 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:29:14,079 INFO L129 PetriNetUnfolder]: 5/39 cut-off events. [2021-03-26 00:29:14,079 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 00:29:14,081 INFO L84 FinitePrefix]: Finished finitePrefix Result has 65 conditions, 39 events. 5/39 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 106 event pairs, 0 based on Foata normal form. 0/34 useless extension candidates. Maximal degree in co-relation 55. Up to 7 conditions per place. [2021-03-26 00:29:14,081 INFO L132 encePairwiseOnDemand]: 150/155 looper letters, 3 selfloop transitions, 2 changer transitions 7/24 dead transitions. [2021-03-26 00:29:14,081 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 30 places, 24 transitions, 78 flow [2021-03-26 00:29:14,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-26 00:29:14,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-26 00:29:14,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 762 transitions. [2021-03-26 00:29:14,088 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8193548387096774 [2021-03-26 00:29:14,088 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 762 transitions. [2021-03-26 00:29:14,088 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 762 transitions. [2021-03-26 00:29:14,089 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:29:14,089 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 762 transitions. [2021-03-26 00:29:14,092 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 127.0) internal successors, (762), 6 states have internal predecessors, (762), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:29:14,095 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 155.0) internal successors, (1085), 7 states have internal predecessors, (1085), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:29:14,096 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 155.0) internal successors, (1085), 7 states have internal predecessors, (1085), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:29:14,096 INFO L185 Difference]: Start difference. First operand has 25 places, 18 transitions, 44 flow. Second operand 6 states and 762 transitions. [2021-03-26 00:29:14,096 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 30 places, 24 transitions, 78 flow [2021-03-26 00:29:14,097 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 28 places, 24 transitions, 74 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-26 00:29:14,097 INFO L241 Difference]: Finished difference. Result has 30 places, 16 transitions, 46 flow [2021-03-26 00:29:14,098 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=155, PETRI_DIFFERENCE_MINUEND_FLOW=40, PETRI_DIFFERENCE_MINUEND_PLACES=23, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=18, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=46, PETRI_PLACES=30, PETRI_TRANSITIONS=16} [2021-03-26 00:29:14,098 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, -8 predicate places. [2021-03-26 00:29:14,098 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:29:14,098 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 30 places, 16 transitions, 46 flow [2021-03-26 00:29:14,098 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 30 places, 16 transitions, 46 flow [2021-03-26 00:29:14,099 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 25 places, 16 transitions, 46 flow [2021-03-26 00:29:14,101 INFO L129 PetriNetUnfolder]: 0/16 cut-off events. [2021-03-26 00:29:14,101 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 00:29:14,101 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29 conditions, 16 events. 0/16 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 20 event pairs, 0 based on Foata normal form. 0/15 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-03-26 00:29:14,101 INFO L142 LiptonReduction]: Number of co-enabled transitions 88 [2021-03-26 00:29:14,452 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 112 [2021-03-26 00:29:14,609 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-03-26 00:29:14,870 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 112 [2021-03-26 00:29:14,998 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-03-26 00:29:15,168 INFO L154 LiptonReduction]: Checked pairs total: 188 [2021-03-26 00:29:15,168 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 00:29:15,168 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1070 [2021-03-26 00:29:15,169 INFO L480 AbstractCegarLoop]: Abstraction has has 24 places, 15 transitions, 44 flow [2021-03-26 00:29:15,170 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 125.8) internal successors, (629), 5 states have internal predecessors, (629), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:29:15,170 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:29:15,170 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:29:15,170 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-26 00:29:15,170 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:29:15,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:29:15,171 INFO L82 PathProgramCache]: Analyzing trace with hash 1766388060, now seen corresponding path program 1 times [2021-03-26 00:29:15,171 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:29:15,171 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686659249] [2021-03-26 00:29:15,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:29:15,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:29:15,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:29:15,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:29:15,241 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-26 00:29:15,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 00:29:15,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:29:15,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 00:29:15,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 00:29:15,255 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686659249] [2021-03-26 00:29:15,256 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:29:15,256 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 00:29:15,256 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163489393] [2021-03-26 00:29:15,256 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 00:29:15,256 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:29:15,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 00:29:15,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 00:29:15,258 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 126 out of 156 [2021-03-26 00:29:15,258 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 24 places, 15 transitions, 44 flow. Second operand has 4 states, 4 states have (on average 126.75) internal successors, (507), 4 states have internal predecessors, (507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:29:15,258 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:29:15,259 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 126 of 156 [2021-03-26 00:29:15,259 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:29:15,298 INFO L129 PetriNetUnfolder]: 10/39 cut-off events. [2021-03-26 00:29:15,299 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 00:29:15,299 INFO L84 FinitePrefix]: Finished finitePrefix Result has 83 conditions, 39 events. 10/39 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 105 event pairs, 2 based on Foata normal form. 4/38 useless extension candidates. Maximal degree in co-relation 72. Up to 15 conditions per place. [2021-03-26 00:29:15,299 INFO L132 encePairwiseOnDemand]: 150/156 looper letters, 4 selfloop transitions, 3 changer transitions 7/23 dead transitions. [2021-03-26 00:29:15,299 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 28 places, 23 transitions, 88 flow [2021-03-26 00:29:15,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 00:29:15,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 00:29:15,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 646 transitions. [2021-03-26 00:29:15,301 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8282051282051283 [2021-03-26 00:29:15,301 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 646 transitions. [2021-03-26 00:29:15,301 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 646 transitions. [2021-03-26 00:29:15,302 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:29:15,302 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 646 transitions. [2021-03-26 00:29:15,303 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 129.2) internal successors, (646), 5 states have internal predecessors, (646), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:29:15,304 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 156.0) internal successors, (936), 6 states have internal predecessors, (936), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:29:15,305 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 156.0) internal successors, (936), 6 states have internal predecessors, (936), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:29:15,305 INFO L185 Difference]: Start difference. First operand has 24 places, 15 transitions, 44 flow. Second operand 5 states and 646 transitions. [2021-03-26 00:29:15,305 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 28 places, 23 transitions, 88 flow [2021-03-26 00:29:15,305 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 25 places, 23 transitions, 82 flow, removed 1 selfloop flow, removed 3 redundant places. [2021-03-26 00:29:15,306 INFO L241 Difference]: Finished difference. Result has 28 places, 16 transitions, 63 flow [2021-03-26 00:29:15,306 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=156, PETRI_DIFFERENCE_MINUEND_FLOW=38, PETRI_DIFFERENCE_MINUEND_PLACES=21, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=15, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=12, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=63, PETRI_PLACES=28, PETRI_TRANSITIONS=16} [2021-03-26 00:29:15,306 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, -10 predicate places. [2021-03-26 00:29:15,306 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:29:15,306 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 28 places, 16 transitions, 63 flow [2021-03-26 00:29:15,307 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 28 places, 16 transitions, 63 flow [2021-03-26 00:29:15,307 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 25 places, 16 transitions, 63 flow [2021-03-26 00:29:15,310 INFO L129 PetriNetUnfolder]: 5/26 cut-off events. [2021-03-26 00:29:15,310 INFO L130 PetriNetUnfolder]: For 9/9 co-relation queries the response was YES. [2021-03-26 00:29:15,310 INFO L84 FinitePrefix]: Finished finitePrefix Result has 66 conditions, 26 events. 5/26 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 46 event pairs, 2 based on Foata normal form. 0/26 useless extension candidates. Maximal degree in co-relation 55. Up to 12 conditions per place. [2021-03-26 00:29:15,311 INFO L142 LiptonReduction]: Number of co-enabled transitions 64 [2021-03-26 00:29:15,359 INFO L154 LiptonReduction]: Checked pairs total: 55 [2021-03-26 00:29:15,359 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 00:29:15,359 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 53 [2021-03-26 00:29:15,360 INFO L480 AbstractCegarLoop]: Abstraction has has 25 places, 16 transitions, 63 flow [2021-03-26 00:29:15,360 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 126.75) internal successors, (507), 4 states have internal predecessors, (507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:29:15,361 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:29:15,361 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:29:15,361 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-26 00:29:15,361 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:29:15,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:29:15,361 INFO L82 PathProgramCache]: Analyzing trace with hash -1872510131, now seen corresponding path program 1 times [2021-03-26 00:29:15,362 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:29:15,362 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580088142] [2021-03-26 00:29:15,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:29:15,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:29:15,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:29:15,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:29:15,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:29:15,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:29:15,436 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-26 00:29:15,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 00:29:15,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:29:15,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 00:29:15,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 00:29:15,444 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580088142] [2021-03-26 00:29:15,444 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:29:15,444 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-26 00:29:15,444 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465627349] [2021-03-26 00:29:15,445 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 00:29:15,445 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:29:15,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 00:29:15,445 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-26 00:29:15,446 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 126 out of 156 [2021-03-26 00:29:15,447 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 25 places, 16 transitions, 63 flow. Second operand has 5 states, 5 states have (on average 126.8) internal successors, (634), 5 states have internal predecessors, (634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:29:15,447 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:29:15,447 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 126 of 156 [2021-03-26 00:29:15,447 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:29:15,475 INFO L129 PetriNetUnfolder]: 2/20 cut-off events. [2021-03-26 00:29:15,475 INFO L130 PetriNetUnfolder]: For 13/15 co-relation queries the response was YES. [2021-03-26 00:29:15,476 INFO L84 FinitePrefix]: Finished finitePrefix Result has 62 conditions, 20 events. 2/20 cut-off events. For 13/15 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 18 event pairs, 0 based on Foata normal form. 5/25 useless extension candidates. Maximal degree in co-relation 49. Up to 10 conditions per place. [2021-03-26 00:29:15,476 INFO L132 encePairwiseOnDemand]: 151/156 looper letters, 2 selfloop transitions, 5 changer transitions 3/19 dead transitions. [2021-03-26 00:29:15,476 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 30 places, 19 transitions, 99 flow [2021-03-26 00:29:15,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-26 00:29:15,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-26 00:29:15,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 768 transitions. [2021-03-26 00:29:15,479 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8205128205128205 [2021-03-26 00:29:15,479 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 768 transitions. [2021-03-26 00:29:15,479 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 768 transitions. [2021-03-26 00:29:15,479 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:29:15,479 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 768 transitions. [2021-03-26 00:29:15,481 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 128.0) internal successors, (768), 6 states have internal predecessors, (768), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:29:15,483 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 156.0) internal successors, (1092), 7 states have internal predecessors, (1092), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:29:15,483 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 156.0) internal successors, (1092), 7 states have internal predecessors, (1092), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:29:15,484 INFO L185 Difference]: Start difference. First operand has 25 places, 16 transitions, 63 flow. Second operand 6 states and 768 transitions. [2021-03-26 00:29:15,484 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 30 places, 19 transitions, 99 flow [2021-03-26 00:29:15,484 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 27 places, 19 transitions, 82 flow, removed 6 selfloop flow, removed 3 redundant places. [2021-03-26 00:29:15,485 INFO L241 Difference]: Finished difference. Result has 30 places, 16 transitions, 70 flow [2021-03-26 00:29:15,485 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=156, PETRI_DIFFERENCE_MINUEND_FLOW=50, PETRI_DIFFERENCE_MINUEND_PLACES=22, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=16, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=11, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=70, PETRI_PLACES=30, PETRI_TRANSITIONS=16} [2021-03-26 00:29:15,485 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, -8 predicate places. [2021-03-26 00:29:15,485 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:29:15,485 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 30 places, 16 transitions, 70 flow [2021-03-26 00:29:15,486 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 30 places, 16 transitions, 70 flow [2021-03-26 00:29:15,486 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 28 places, 16 transitions, 70 flow [2021-03-26 00:29:15,489 INFO L129 PetriNetUnfolder]: 1/16 cut-off events. [2021-03-26 00:29:15,489 INFO L130 PetriNetUnfolder]: For 10/10 co-relation queries the response was YES. [2021-03-26 00:29:15,489 INFO L84 FinitePrefix]: Finished finitePrefix Result has 44 conditions, 16 events. 1/16 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 8 event pairs, 0 based on Foata normal form. 0/16 useless extension candidates. Maximal degree in co-relation 32. Up to 6 conditions per place. [2021-03-26 00:29:15,489 INFO L142 LiptonReduction]: Number of co-enabled transitions 34 [2021-03-26 00:29:15,630 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2021-03-26 00:29:15,856 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2021-03-26 00:29:16,017 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2021-03-26 00:29:16,336 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2021-03-26 00:29:16,470 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2021-03-26 00:29:16,473 INFO L154 LiptonReduction]: Checked pairs total: 117 [2021-03-26 00:29:16,473 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 00:29:16,473 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 988 [2021-03-26 00:29:16,474 INFO L480 AbstractCegarLoop]: Abstraction has has 26 places, 14 transitions, 66 flow [2021-03-26 00:29:16,474 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 126.8) internal successors, (634), 5 states have internal predecessors, (634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:29:16,474 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:29:16,475 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:29:16,475 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-26 00:29:16,475 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:29:16,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:29:16,475 INFO L82 PathProgramCache]: Analyzing trace with hash 1171122748, now seen corresponding path program 1 times [2021-03-26 00:29:16,475 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:29:16,476 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129186391] [2021-03-26 00:29:16,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:29:16,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:29:16,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:29:16,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 00:29:16,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:29:16,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:29:16,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:29:16,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:29:16,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 00:29:16,563 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129186391] [2021-03-26 00:29:16,563 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:29:16,563 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 00:29:16,564 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303057693] [2021-03-26 00:29:16,564 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 00:29:16,564 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:29:16,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 00:29:16,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 00:29:16,566 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 158 [2021-03-26 00:29:16,567 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 26 places, 14 transitions, 66 flow. Second operand has 4 states, 4 states have (on average 130.0) internal successors, (520), 4 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:29:16,567 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:29:16,567 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 158 [2021-03-26 00:29:16,567 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:29:16,589 INFO L129 PetriNetUnfolder]: 2/22 cut-off events. [2021-03-26 00:29:16,589 INFO L130 PetriNetUnfolder]: For 40/41 co-relation queries the response was YES. [2021-03-26 00:29:16,590 INFO L84 FinitePrefix]: Finished finitePrefix Result has 67 conditions, 22 events. 2/22 cut-off events. For 40/41 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 32 event pairs, 0 based on Foata normal form. 2/24 useless extension candidates. Maximal degree in co-relation 52. Up to 10 conditions per place. [2021-03-26 00:29:16,590 INFO L132 encePairwiseOnDemand]: 155/158 looper letters, 3 selfloop transitions, 1 changer transitions 1/15 dead transitions. [2021-03-26 00:29:16,590 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 29 places, 15 transitions, 78 flow [2021-03-26 00:29:16,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 00:29:16,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 00:29:16,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 522 transitions. [2021-03-26 00:29:16,592 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8259493670886076 [2021-03-26 00:29:16,592 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 522 transitions. [2021-03-26 00:29:16,592 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 522 transitions. [2021-03-26 00:29:16,592 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:29:16,593 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 522 transitions. [2021-03-26 00:29:16,594 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 130.5) internal successors, (522), 4 states have internal predecessors, (522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:29:16,595 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 158.0) internal successors, (790), 5 states have internal predecessors, (790), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:29:16,597 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 158.0) internal successors, (790), 5 states have internal predecessors, (790), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:29:16,597 INFO L185 Difference]: Start difference. First operand has 26 places, 14 transitions, 66 flow. Second operand 4 states and 522 transitions. [2021-03-26 00:29:16,597 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 29 places, 15 transitions, 78 flow [2021-03-26 00:29:16,598 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 24 places, 15 transitions, 62 flow, removed 5 selfloop flow, removed 5 redundant places. [2021-03-26 00:29:16,599 INFO L241 Difference]: Finished difference. Result has 26 places, 14 transitions, 57 flow [2021-03-26 00:29:16,599 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=158, PETRI_DIFFERENCE_MINUEND_FLOW=50, PETRI_DIFFERENCE_MINUEND_PLACES=21, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=14, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=57, PETRI_PLACES=26, PETRI_TRANSITIONS=14} [2021-03-26 00:29:16,599 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, -12 predicate places. [2021-03-26 00:29:16,599 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:29:16,599 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 26 places, 14 transitions, 57 flow [2021-03-26 00:29:16,600 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 26 places, 14 transitions, 57 flow [2021-03-26 00:29:16,600 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 25 places, 14 transitions, 57 flow [2021-03-26 00:29:16,603 INFO L129 PetriNetUnfolder]: 1/17 cut-off events. [2021-03-26 00:29:16,603 INFO L130 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2021-03-26 00:29:16,604 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42 conditions, 17 events. 1/17 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 12 event pairs, 0 based on Foata normal form. 0/17 useless extension candidates. Maximal degree in co-relation 32. Up to 5 conditions per place. [2021-03-26 00:29:16,604 INFO L142 LiptonReduction]: Number of co-enabled transitions 28 [2021-03-26 00:29:17,273 WARN L205 SmtUtils]: Spent 668.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 178 [2021-03-26 00:29:17,526 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2021-03-26 00:29:18,772 WARN L205 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 302 DAG size of output: 258 [2021-03-26 00:29:19,351 WARN L205 SmtUtils]: Spent 577.00 ms on a formula simplification that was a NOOP. DAG size: 255 [2021-03-26 00:29:19,458 INFO L154 LiptonReduction]: Checked pairs total: 30 [2021-03-26 00:29:19,458 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 00:29:19,458 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2859 [2021-03-26 00:29:19,459 INFO L480 AbstractCegarLoop]: Abstraction has has 24 places, 13 transitions, 55 flow [2021-03-26 00:29:19,460 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 130.0) internal successors, (520), 4 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:29:19,460 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:29:19,460 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:29:19,460 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-26 00:29:19,460 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:29:19,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:29:19,460 INFO L82 PathProgramCache]: Analyzing trace with hash -1127678013, now seen corresponding path program 1 times [2021-03-26 00:29:19,461 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:29:19,461 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635823121] [2021-03-26 00:29:19,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:29:19,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-26 00:29:19,512 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-26 00:29:19,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-26 00:29:19,566 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-26 00:29:19,606 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-26 00:29:19,606 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-03-26 00:29:19,606 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-26 00:29:19,681 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.03 12:29:19 BasicIcfg [2021-03-26 00:29:19,681 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-26 00:29:19,683 INFO L168 Benchmark]: Toolchain (without parser) took 12752.72 ms. Allocated memory was 255.9 MB in the beginning and 490.7 MB in the end (delta: 234.9 MB). Free memory was 234.2 MB in the beginning and 324.7 MB in the end (delta: -90.4 MB). Peak memory consumption was 143.7 MB. Max. memory is 16.0 GB. [2021-03-26 00:29:19,686 INFO L168 Benchmark]: CDTParser took 0.67 ms. Allocated memory is still 255.9 MB. Free memory was 237.6 MB in the beginning and 237.5 MB in the end (delta: 162.7 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-26 00:29:19,690 INFO L168 Benchmark]: CACSL2BoogieTranslator took 517.55 ms. Allocated memory was 255.9 MB in the beginning and 335.5 MB in the end (delta: 79.7 MB). Free memory was 234.2 MB in the beginning and 296.3 MB in the end (delta: -62.0 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.0 GB. [2021-03-26 00:29:19,690 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.64 ms. Allocated memory is still 335.5 MB. Free memory was 296.2 MB in the beginning and 293.4 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-03-26 00:29:19,691 INFO L168 Benchmark]: Boogie Preprocessor took 46.97 ms. Allocated memory is still 335.5 MB. Free memory was 293.4 MB in the beginning and 292.0 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-26 00:29:19,692 INFO L168 Benchmark]: RCFGBuilder took 1744.68 ms. Allocated memory is still 335.5 MB. Free memory was 291.3 MB in the beginning and 247.2 MB in the end (delta: 44.1 MB). Peak memory consumption was 53.1 MB. Max. memory is 16.0 GB. [2021-03-26 00:29:19,693 INFO L168 Benchmark]: TraceAbstraction took 10363.48 ms. Allocated memory was 335.5 MB in the beginning and 490.7 MB in the end (delta: 155.2 MB). Free memory was 247.2 MB in the beginning and 324.7 MB in the end (delta: -77.4 MB). Peak memory consumption was 77.8 MB. Max. memory is 16.0 GB. [2021-03-26 00:29:19,694 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.67 ms. Allocated memory is still 255.9 MB. Free memory was 237.6 MB in the beginning and 237.5 MB in the end (delta: 162.7 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 517.55 ms. Allocated memory was 255.9 MB in the beginning and 335.5 MB in the end (delta: 79.7 MB). Free memory was 234.2 MB in the beginning and 296.3 MB in the end (delta: -62.0 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 63.64 ms. Allocated memory is still 335.5 MB. Free memory was 296.2 MB in the beginning and 293.4 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 46.97 ms. Allocated memory is still 335.5 MB. Free memory was 293.4 MB in the beginning and 292.0 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 1744.68 ms. Allocated memory is still 335.5 MB. Free memory was 291.3 MB in the beginning and 247.2 MB in the end (delta: 44.1 MB). Peak memory consumption was 53.1 MB. Max. memory is 16.0 GB. * TraceAbstraction took 10363.48 ms. Allocated memory was 335.5 MB in the beginning and 490.7 MB in the end (delta: 155.2 MB). Free memory was 247.2 MB in the beginning and 324.7 MB in the end (delta: -77.4 MB). Peak memory consumption was 77.8 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2560.9ms, 87 PlacesBefore, 38 PlacesAfterwards, 82 TransitionsBefore, 32 TransitionsAfterwards, 968 CoEnabledTransitionPairs, 5 FixpointIterations, 27 TrivialSequentialCompositions, 27 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 3 ConcurrentYvCompositions, 1 ChoiceCompositions, 58 TotalNumberOfCompositions, 1372 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 815, positive: 770, positive conditional: 770, positive unconditional: 0, negative: 45, negative conditional: 45, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 600, positive: 578, positive conditional: 0, positive unconditional: 578, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 600, positive: 578, positive conditional: 0, positive unconditional: 578, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 600, positive: 571, positive conditional: 0, positive unconditional: 571, negative: 29, negative conditional: 0, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 29, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 289, positive: 18, positive conditional: 0, positive unconditional: 18, negative: 270, negative conditional: 0, negative unconditional: 270, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 815, positive: 192, positive conditional: 192, positive unconditional: 0, negative: 23, negative conditional: 23, negative unconditional: 0, unknown: 600, unknown conditional: 600, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 65, Positive cache size: 55, Positive conditional cache size: 55, Positive unconditional cache size: 0, Negative cache size: 10, Negative conditional cache size: 10, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1361.9ms, 37 PlacesBefore, 25 PlacesAfterwards, 30 TransitionsBefore, 18 TransitionsAfterwards, 202 CoEnabledTransitionPairs, 4 FixpointIterations, 7 TrivialSequentialCompositions, 6 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 13 TotalNumberOfCompositions, 625 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 268, positive: 212, positive conditional: 212, positive unconditional: 0, negative: 56, negative conditional: 56, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 106, positive: 93, positive conditional: 14, positive unconditional: 79, negative: 13, negative conditional: 1, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 106, positive: 93, positive conditional: 14, positive unconditional: 79, negative: 13, negative conditional: 1, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 106, positive: 91, positive conditional: 0, positive unconditional: 91, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 15, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 13, negative conditional: 1, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 240, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 232, negative conditional: 48, negative unconditional: 185, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 268, positive: 119, positive conditional: 119, positive unconditional: 0, negative: 43, negative conditional: 43, negative unconditional: 0, unknown: 106, unknown conditional: 106, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 58, Positive cache size: 46, Positive conditional cache size: 46, Positive unconditional cache size: 0, Negative cache size: 12, Negative conditional cache size: 12, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1069.8ms, 30 PlacesBefore, 24 PlacesAfterwards, 16 TransitionsBefore, 15 TransitionsAfterwards, 88 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 188 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 70, positive: 46, positive conditional: 46, positive unconditional: 0, negative: 24, negative conditional: 24, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 22, positive: 14, positive conditional: 7, positive unconditional: 7, negative: 8, negative conditional: 1, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 22, positive: 14, positive conditional: 7, positive unconditional: 7, negative: 8, negative conditional: 1, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 22, positive: 14, positive conditional: 0, positive unconditional: 14, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 8, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 8, negative conditional: 1, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 229, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 229, negative conditional: 4, negative unconditional: 225, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 70, positive: 32, positive conditional: 32, positive unconditional: 0, negative: 16, negative conditional: 16, negative unconditional: 0, unknown: 22, unknown conditional: 22, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 80, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 20, Negative conditional cache size: 20, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 52.5ms, 28 PlacesBefore, 25 PlacesAfterwards, 16 TransitionsBefore, 16 TransitionsAfterwards, 64 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 55 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 28, positive: 20, positive conditional: 20, positive unconditional: 0, negative: 8, negative conditional: 8, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 16, positive: 14, positive conditional: 3, positive unconditional: 11, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 16, positive: 14, positive conditional: 3, positive unconditional: 11, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 16, positive: 14, positive conditional: 0, positive unconditional: 14, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 47, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 47, negative conditional: 0, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 28, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 6, negative conditional: 6, negative unconditional: 0, unknown: 16, unknown conditional: 16, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 96, Positive cache size: 74, Positive conditional cache size: 74, Positive unconditional cache size: 0, Negative cache size: 22, Negative conditional cache size: 22, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 987.1ms, 30 PlacesBefore, 26 PlacesAfterwards, 16 TransitionsBefore, 14 TransitionsAfterwards, 34 CoEnabledTransitionPairs, 3 FixpointIterations, 2 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 117 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 78, positive: 51, positive conditional: 51, positive unconditional: 0, negative: 27, negative conditional: 27, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9, positive: 8, positive conditional: 5, positive unconditional: 3, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 9, positive: 8, positive conditional: 5, positive unconditional: 3, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 9, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 78, positive: 43, positive conditional: 43, positive unconditional: 0, negative: 26, negative conditional: 26, negative unconditional: 0, unknown: 9, unknown conditional: 9, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 73, Positive cache size: 59, Positive conditional cache size: 59, Positive unconditional cache size: 0, Negative cache size: 14, Negative conditional cache size: 14, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2858.5ms, 26 PlacesBefore, 24 PlacesAfterwards, 14 TransitionsBefore, 13 TransitionsAfterwards, 28 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 30 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 25, positive: 17, positive conditional: 17, positive unconditional: 0, negative: 8, negative conditional: 8, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 16, positive: 13, positive conditional: 5, positive unconditional: 8, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 16, positive: 13, positive conditional: 5, positive unconditional: 8, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 16, positive: 13, positive conditional: 0, positive unconditional: 13, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 99, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 99, negative conditional: 0, negative unconditional: 99, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 25, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 5, negative conditional: 5, negative unconditional: 0, unknown: 16, unknown conditional: 16, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 40, Positive cache size: 35, Positive conditional cache size: 35, Positive unconditional cache size: 0, Negative cache size: 5, Negative conditional cache size: 5, Negative unconditional cache size: 0 - CounterExampleResult [Line: 19]: 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; [L716] 0 _Bool main$tmp_guard0; [L717] 0 _Bool main$tmp_guard1; [L719] 0 int x = 0; [L721] 0 int y = 0; [L722] 0 _Bool y$flush_delayed; [L723] 0 int y$mem_tmp; [L724] 0 _Bool y$r_buff0_thd0; [L725] 0 _Bool y$r_buff0_thd1; [L726] 0 _Bool y$r_buff0_thd2; [L727] 0 _Bool y$r_buff1_thd0; [L728] 0 _Bool y$r_buff1_thd1; [L729] 0 _Bool y$r_buff1_thd2; [L730] 0 _Bool y$read_delayed; [L731] 0 int *y$read_delayed_var; [L732] 0 int y$w_buff0; [L733] 0 _Bool y$w_buff0_used; [L734] 0 int y$w_buff1; [L735] 0 _Bool y$w_buff1_used; [L737] 0 int z = 0; [L738] 0 _Bool weak$$choice0; [L739] 0 _Bool weak$$choice2; [L815] 0 pthread_t t1651; [L816] FCALL, FORK 0 pthread_create(&t1651, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L817] 0 pthread_t t1652; [L818] FCALL, FORK 0 pthread_create(&t1652, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L773] 2 y$w_buff1 = y$w_buff0 [L774] 2 y$w_buff0 = 1 [L775] 2 y$w_buff1_used = y$w_buff0_used [L776] 2 y$w_buff0_used = (_Bool)1 [L19] COND FALSE 2 !(!expression) [L778] 2 y$r_buff1_thd0 = y$r_buff0_thd0 [L779] 2 y$r_buff1_thd1 = y$r_buff0_thd1 [L780] 2 y$r_buff1_thd2 = y$r_buff0_thd2 [L781] 2 y$r_buff0_thd2 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L784] 2 z = 1 [L787] 2 __unbuffered_p1_EAX = z [L790] 2 __unbuffered_p1_EBX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L743] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L748] 1 weak$$choice0 = __VERIFIER_nondet_bool() [L749] 1 weak$$choice2 = __VERIFIER_nondet_bool() [L750] 1 y$flush_delayed = weak$$choice2 [L751] 1 y$mem_tmp = y [L752] EXPR 1 !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff1) [L752] 1 y = !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff1) [L753] EXPR 1 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff0)) [L753] 1 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff0)) [L754] EXPR 1 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff1 : y$w_buff1)) [L754] 1 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff1 : y$w_buff1)) [L755] EXPR 1 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used)) [L755] 1 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used)) [L756] EXPR 1 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L756] 1 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L757] EXPR 1 weak$$choice2 ? y$r_buff0_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff0_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1)) [L757] 1 y$r_buff0_thd1 = weak$$choice2 ? y$r_buff0_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff0_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1)) [L758] EXPR 1 weak$$choice2 ? y$r_buff1_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff1_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L758] 1 y$r_buff1_thd1 = weak$$choice2 ? y$r_buff1_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff1_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L759] 1 __unbuffered_p0_EAX = y [L760] EXPR 1 y$flush_delayed ? y$mem_tmp : y [L760] 1 y = y$flush_delayed ? y$mem_tmp : y [L761] 1 y$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L766] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L768] 1 return 0; [L793] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L793] 2 y = y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L794] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L794] 2 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L795] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L795] 2 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L796] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L796] 2 y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L797] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L797] 2 y$r_buff1_thd2 = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L800] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L802] 2 return 0; [L820] 0 main$tmp_guard0 = __unbuffered_cnt == 2 [L4] COND FALSE 0 !(!cond) [L824] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L824] EXPR 0 y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y [L824] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L824] 0 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L825] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L825] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L826] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L826] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L827] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L827] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L828] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L828] 0 y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L831] 0 main$tmp_guard1 = !(__unbuffered_p0_EAX == 0 && __unbuffered_p1_EAX == 1 && __unbuffered_p1_EBX == 0) [L19] COND TRUE 0 !expression [L19] 0 reach_error() VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 83 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 3.1ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 10152.7ms, OverallIterations: 6, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 294.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 2677.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 18 SDtfs, 13 SDslu, 12 SDs, 0 SdLazy, 60 SolverSat, 17 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 68.1ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 70.6ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=70occurred in iteration=0, InterpolantAutomatonStates: 24, 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: 24.7ms SsaConstructionTime, 238.6ms SatisfiabilityAnalysisTime, 325.2ms InterpolantComputationTime, 77 NumberOfCodeBlocks, 77 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 60 ConstructedInterpolants, 0 QuantifiedInterpolants, 285 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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...