/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/mix054_power.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-28 22:16:31,262 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-28 22:16:31,265 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-28 22:16:31,307 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-28 22:16:31,308 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-28 22:16:31,309 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-28 22:16:31,311 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-28 22:16:31,313 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-28 22:16:31,315 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-28 22:16:31,317 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-28 22:16:31,318 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-28 22:16:31,319 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-28 22:16:31,320 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-28 22:16:31,321 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-28 22:16:31,323 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-28 22:16:31,324 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-28 22:16:31,325 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-28 22:16:31,326 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-28 22:16:31,328 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-28 22:16:31,331 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-28 22:16:31,333 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-28 22:16:31,334 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-28 22:16:31,336 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-28 22:16:31,337 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-28 22:16:31,340 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-04-28 22:16:31,345 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-04-28 22:16:31,346 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-04-28 22:16:31,347 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-04-28 22:16:31,348 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-04-28 22:16:31,349 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-04-28 22:16:31,350 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-04-28 22:16:31,351 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-04-28 22:16:31,351 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-04-28 22:16:31,351 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-28 22:16:31,353 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-28 22:16:31,354 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-28 22:16:31,355 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf [2021-04-28 22:16:31,383 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-28 22:16:31,383 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-28 22:16:31,385 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-28 22:16:31,386 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-28 22:16:31,386 INFO L138 SettingsManager]: * Use SBE=true [2021-04-28 22:16:31,387 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-28 22:16:31,387 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-28 22:16:31,387 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-28 22:16:31,388 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-28 22:16:31,388 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-28 22:16:31,388 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-28 22:16:31,389 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-28 22:16:31,389 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-28 22:16:31,389 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-28 22:16:31,390 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-28 22:16:31,390 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-28 22:16:31,390 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-28 22:16:31,391 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-28 22:16:31,391 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-28 22:16:31,391 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-28 22:16:31,392 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-28 22:16:31,392 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 22:16:31,392 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-28 22:16:31,393 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-28 22:16:31,393 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-28 22:16:31,393 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-28 22:16:31,393 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-28 22:16:31,394 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-28 22:16:31,394 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-28 22:16:31,394 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-28 22:16:31,395 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-28 22:16:31,759 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-28 22:16:31,800 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-28 22:16:31,803 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-28 22:16:31,805 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-28 22:16:31,805 INFO L275 PluginConnector]: CDTParser initialized [2021-04-28 22:16:31,808 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix054_power.oepc.i [2021-04-28 22:16:31,899 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc1a552fa/4bdca559f6d3492f9cf48c4179c2e51a/FLAG0906edc21 [2021-04-28 22:16:32,658 INFO L306 CDTParser]: Found 1 translation units. [2021-04-28 22:16:32,659 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix054_power.oepc.i [2021-04-28 22:16:32,682 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc1a552fa/4bdca559f6d3492f9cf48c4179c2e51a/FLAG0906edc21 [2021-04-28 22:16:32,906 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc1a552fa/4bdca559f6d3492f9cf48c4179c2e51a [2021-04-28 22:16:32,909 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-28 22:16:32,962 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-28 22:16:32,966 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-28 22:16:32,967 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-28 22:16:32,970 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-28 22:16:32,971 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 10:16:32" (1/1) ... [2021-04-28 22:16:32,973 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@382d6040 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:16:32, skipping insertion in model container [2021-04-28 22:16:32,974 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 10:16:32" (1/1) ... [2021-04-28 22:16:32,982 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-28 22:16:33,053 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-28 22:16:33,213 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/mix054_power.oepc.i[951,964] [2021-04-28 22:16:33,535 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 22:16:33,548 INFO L203 MainTranslator]: Completed pre-run [2021-04-28 22:16:33,565 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/mix054_power.oepc.i[951,964] [2021-04-28 22:16:33,667 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 22:16:33,807 INFO L208 MainTranslator]: Completed translation [2021-04-28 22:16:33,808 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:16:33 WrapperNode [2021-04-28 22:16:33,810 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-28 22:16:33,812 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-28 22:16:33,812 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-28 22:16:33,813 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-28 22:16:33,823 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:16:33" (1/1) ... [2021-04-28 22:16:33,870 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:16:33" (1/1) ... [2021-04-28 22:16:33,919 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-28 22:16:33,920 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-28 22:16:33,921 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-28 22:16:33,921 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-28 22:16:33,931 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:16:33" (1/1) ... [2021-04-28 22:16:33,931 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:16:33" (1/1) ... [2021-04-28 22:16:33,942 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:16:33" (1/1) ... [2021-04-28 22:16:33,943 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:16:33" (1/1) ... [2021-04-28 22:16:33,961 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:16:33" (1/1) ... [2021-04-28 22:16:33,967 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:16:33" (1/1) ... [2021-04-28 22:16:33,976 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:16:33" (1/1) ... [2021-04-28 22:16:33,986 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-28 22:16:33,987 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-28 22:16:33,987 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-28 22:16:33,988 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-28 22:16:33,988 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:16:33" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 22:16:34,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-28 22:16:34,089 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-04-28 22:16:34,090 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-28 22:16:34,090 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-28 22:16:34,091 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-04-28 22:16:34,091 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-04-28 22:16:34,092 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-04-28 22:16:34,092 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-04-28 22:16:34,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-28 22:16:34,093 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-04-28 22:16:34,093 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-28 22:16:34,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-28 22:16:34,095 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-04-28 22:16:36,006 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-28 22:16:36,007 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-04-28 22:16:36,009 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 10:16:36 BoogieIcfgContainer [2021-04-28 22:16:36,009 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-28 22:16:36,011 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-28 22:16:36,011 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-28 22:16:36,015 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-28 22:16:36,015 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.04 10:16:32" (1/3) ... [2021-04-28 22:16:36,016 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69f062ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 10:16:36, skipping insertion in model container [2021-04-28 22:16:36,016 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:16:33" (2/3) ... [2021-04-28 22:16:36,017 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69f062ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 10:16:36, skipping insertion in model container [2021-04-28 22:16:36,017 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 10:16:36" (3/3) ... [2021-04-28 22:16:36,019 INFO L111 eAbstractionObserver]: Analyzing ICFG mix054_power.oepc.i [2021-04-28 22:16:36,026 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-28 22:16:36,031 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-04-28 22:16:36,033 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-28 22:16:36,068 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,069 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,069 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,069 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,069 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,070 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,070 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,070 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,070 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,071 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,071 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,071 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,071 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,072 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,072 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,072 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,072 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,073 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,073 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,073 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,073 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,073 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,074 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,074 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,074 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,075 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,075 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,075 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,075 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,076 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,076 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,076 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,077 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,077 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,077 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,078 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,078 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,078 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,078 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,078 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,079 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,079 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,079 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,079 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,079 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,080 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,080 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,080 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,080 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,080 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,080 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,081 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,081 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,081 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,081 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,081 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,081 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,082 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,082 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,082 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,082 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,082 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,083 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,083 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,083 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,083 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,083 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,083 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,084 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,084 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,084 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,084 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,084 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,084 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,085 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,085 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,085 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,085 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,085 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,085 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,087 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,088 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,088 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,088 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,088 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,088 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,088 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,089 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,089 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,089 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,089 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,089 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,089 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,090 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,090 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,090 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,090 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,090 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,090 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,091 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,091 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,091 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,091 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,091 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,092 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,092 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,092 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,092 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,092 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,092 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,093 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,093 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,093 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,093 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,093 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,094 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,094 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,094 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,096 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,096 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,097 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,097 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,097 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,097 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,097 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,098 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,098 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,098 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,098 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,099 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,099 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,099 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,100 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,100 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,100 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,100 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,103 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,103 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,103 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,103 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,104 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,104 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,104 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,104 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,104 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,105 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,105 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,105 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,108 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,108 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,108 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,108 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,109 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,109 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,109 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,109 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,109 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,110 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,110 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,110 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,110 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,110 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,111 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,111 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,111 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,111 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,111 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,111 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,112 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,112 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,112 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,112 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,112 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,113 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,113 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,113 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,113 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,113 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,114 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,114 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,114 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:36,116 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-28 22:16:36,140 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-04-28 22:16:36,165 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-28 22:16:36,166 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-28 22:16:36,166 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-28 22:16:36,166 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-28 22:16:36,166 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-28 22:16:36,166 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-28 22:16:36,166 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-28 22:16:36,167 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-28 22:16:36,180 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 85 places, 80 transitions, 170 flow [2021-04-28 22:16:36,221 INFO L129 PetriNetUnfolder]: 2/78 cut-off events. [2021-04-28 22:16:36,222 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 22:16:36,226 INFO L84 FinitePrefix]: Finished finitePrefix Result has 85 conditions, 78 events. 2/78 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 45 event pairs, 0 based on Foata normal form. 0/74 useless extension candidates. Maximal degree in co-relation 46. Up to 2 conditions per place. [2021-04-28 22:16:36,226 INFO L82 GeneralOperation]: Start removeDead. Operand has 85 places, 80 transitions, 170 flow [2021-04-28 22:16:36,232 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 83 places, 78 transitions, 162 flow [2021-04-28 22:16:36,234 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:16:36,251 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 83 places, 78 transitions, 162 flow [2021-04-28 22:16:36,255 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 83 places, 78 transitions, 162 flow [2021-04-28 22:16:36,257 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 83 places, 78 transitions, 162 flow [2021-04-28 22:16:36,278 INFO L129 PetriNetUnfolder]: 2/78 cut-off events. [2021-04-28 22:16:36,279 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 22:16:36,279 INFO L84 FinitePrefix]: Finished finitePrefix Result has 85 conditions, 78 events. 2/78 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 46 event pairs, 0 based on Foata normal form. 0/74 useless extension candidates. Maximal degree in co-relation 46. Up to 2 conditions per place. [2021-04-28 22:16:36,283 INFO L146 LiptonReduction]: Number of co-enabled transitions 926 [2021-04-28 22:16:37,146 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2021-04-28 22:16:38,977 WARN L205 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-04-28 22:16:39,085 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 22:16:39,651 WARN L205 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 86 [2021-04-28 22:16:39,883 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 22:16:43,292 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2021-04-28 22:16:43,462 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2021-04-28 22:16:43,751 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2021-04-28 22:16:43,900 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2021-04-28 22:16:44,507 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2021-04-28 22:16:44,677 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2021-04-28 22:16:45,704 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2021-04-28 22:16:45,910 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2021-04-28 22:16:46,087 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2021-04-28 22:16:46,246 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2021-04-28 22:16:46,532 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2021-04-28 22:16:46,736 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2021-04-28 22:16:46,906 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2021-04-28 22:16:49,151 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2021-04-28 22:16:49,299 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2021-04-28 22:16:49,468 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2021-04-28 22:16:49,635 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2021-04-28 22:16:49,847 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2021-04-28 22:16:50,074 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2021-04-28 22:16:50,260 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2021-04-28 22:16:50,422 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2021-04-28 22:16:50,619 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2021-04-28 22:16:50,809 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2021-04-28 22:16:51,083 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 62 [2021-04-28 22:16:51,344 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 62 [2021-04-28 22:16:51,727 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 22:16:51,876 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 22:16:52,026 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 22:16:52,165 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 22:16:52,568 WARN L205 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 106 [2021-04-28 22:16:52,761 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 22:16:53,180 WARN L205 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 106 [2021-04-28 22:16:53,372 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 22:16:53,488 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 22:16:53,634 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 22:16:53,750 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 22:16:53,870 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 22:16:54,017 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 22:16:54,176 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 22:16:54,333 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 22:16:54,492 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 22:16:54,891 WARN L205 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 101 [2021-04-28 22:16:55,082 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2021-04-28 22:16:55,496 WARN L205 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 101 [2021-04-28 22:16:55,682 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2021-04-28 22:16:55,817 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 22:16:55,952 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 22:16:56,085 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 22:16:56,243 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 22:16:56,348 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 22:16:56,454 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 22:16:56,557 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 22:16:56,658 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 22:16:57,883 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 22:16:58,024 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 22:16:58,155 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 22:16:58,290 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 22:16:58,434 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 22:16:58,593 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 22:16:58,758 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 22:16:58,951 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 22:16:59,063 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 22:16:59,171 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 22:16:59,280 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 22:16:59,385 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 22:16:59,542 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 22:16:59,703 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 22:16:59,869 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 22:17:00,028 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 22:17:00,161 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 22:17:00,296 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 22:17:00,445 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 22:17:00,591 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 22:17:01,091 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 22:17:01,234 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 22:17:01,379 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 22:17:01,569 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 22:17:01,678 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 22:17:01,788 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 22:17:01,897 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 22:17:02,005 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 22:17:02,136 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 22:17:02,276 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 22:17:02,413 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 22:17:02,543 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 22:17:02,598 INFO L158 LiptonReduction]: Checked pairs total: 8224 [2021-04-28 22:17:02,599 INFO L160 LiptonReduction]: Total number of compositions: 186 [2021-04-28 22:17:02,604 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 26371 [2021-04-28 22:17:02,623 INFO L129 PetriNetUnfolder]: 0/47 cut-off events. [2021-04-28 22:17:02,624 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 22:17:02,624 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:17:02,625 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2021-04-28 22:17:02,625 INFO L428 AbstractCegarLoop]: === Iteration 1 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:17:02,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:17:02,632 INFO L82 PathProgramCache]: Analyzing trace with hash 1008409, now seen corresponding path program 1 times [2021-04-28 22:17:02,643 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:17:02,643 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553626884] [2021-04-28 22:17:02,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:17:02,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:17:02,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:17:02,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 22:17:02,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 22:17:02,895 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553626884] [2021-04-28 22:17:02,896 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:17:02,896 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 22:17:02,897 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779052613] [2021-04-28 22:17:02,907 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 22:17:02,908 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:17:02,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 22:17:02,928 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 22:17:02,932 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 216 out of 266 [2021-04-28 22:17:02,937 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 98 transitions, 202 flow. Second operand has 3 states, 3 states have (on average 216.66666666666666) internal successors, (650), 3 states have internal predecessors, (650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:17:02,937 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:17:02,937 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 216 of 266 [2021-04-28 22:17:02,939 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:17:03,042 INFO L129 PetriNetUnfolder]: 16/164 cut-off events. [2021-04-28 22:17:03,042 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 22:17:03,044 INFO L84 FinitePrefix]: Finished finitePrefix Result has 214 conditions, 164 events. 16/164 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 1015 event pairs, 11 based on Foata normal form. 18/69 useless extension candidates. Maximal degree in co-relation 155. Up to 27 conditions per place. [2021-04-28 22:17:03,046 INFO L132 encePairwiseOnDemand]: 252/266 looper letters, 7 selfloop transitions, 2 changer transitions 44/97 dead transitions. [2021-04-28 22:17:03,046 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 97 transitions, 234 flow [2021-04-28 22:17:03,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 22:17:03,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 22:17:03,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 672 transitions. [2021-04-28 22:17:03,067 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8421052631578947 [2021-04-28 22:17:03,068 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 672 transitions. [2021-04-28 22:17:03,068 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 672 transitions. [2021-04-28 22:17:03,071 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:17:03,074 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 672 transitions. [2021-04-28 22:17:03,083 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 224.0) internal successors, (672), 3 states have internal predecessors, (672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:17:03,098 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 266.0) internal successors, (1064), 4 states have internal predecessors, (1064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:17:03,100 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 266.0) internal successors, (1064), 4 states have internal predecessors, (1064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:17:03,102 INFO L185 Difference]: Start difference. First operand has 104 places, 98 transitions, 202 flow. Second operand 3 states and 672 transitions. [2021-04-28 22:17:03,103 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 97 transitions, 234 flow [2021-04-28 22:17:03,107 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 97 transitions, 232 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 22:17:03,110 INFO L241 Difference]: Finished difference. Result has 101 places, 50 transitions, 108 flow [2021-04-28 22:17:03,113 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=266, PETRI_DIFFERENCE_MINUEND_FLOW=192, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=92, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=108, PETRI_PLACES=101, PETRI_TRANSITIONS=50} [2021-04-28 22:17:03,114 INFO L343 CegarLoopForPetriNet]: 104 programPoint places, -3 predicate places. [2021-04-28 22:17:03,114 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:17:03,114 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 101 places, 50 transitions, 108 flow [2021-04-28 22:17:03,116 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 101 places, 50 transitions, 108 flow [2021-04-28 22:17:03,117 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 57 places, 50 transitions, 108 flow [2021-04-28 22:17:03,135 INFO L129 PetriNetUnfolder]: 0/50 cut-off events. [2021-04-28 22:17:03,136 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 22:17:03,136 INFO L84 FinitePrefix]: Finished finitePrefix Result has 58 conditions, 50 events. 0/50 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 229 event pairs, 0 based on Foata normal form. 0/16 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-04-28 22:17:03,137 INFO L146 LiptonReduction]: Number of co-enabled transitions 1022 [2021-04-28 22:17:03,323 INFO L158 LiptonReduction]: Checked pairs total: 1334 [2021-04-28 22:17:03,323 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 22:17:03,324 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 210 [2021-04-28 22:17:03,325 INFO L480 AbstractCegarLoop]: Abstraction has has 57 places, 50 transitions, 108 flow [2021-04-28 22:17:03,326 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 216.66666666666666) internal successors, (650), 3 states have internal predecessors, (650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:17:03,326 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:17:03,327 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:17:03,327 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-28 22:17:03,327 INFO L428 AbstractCegarLoop]: === Iteration 2 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:17:03,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:17:03,328 INFO L82 PathProgramCache]: Analyzing trace with hash -658695719, now seen corresponding path program 1 times [2021-04-28 22:17:03,328 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:17:03,328 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543801058] [2021-04-28 22:17:03,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:17:03,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:17:03,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:17:03,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:17:03,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 22:17:03,490 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543801058] [2021-04-28 22:17:03,490 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:17:03,490 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 22:17:03,491 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985363974] [2021-04-28 22:17:03,492 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 22:17:03,492 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:17:03,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 22:17:03,493 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 22:17:03,496 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 187 out of 266 [2021-04-28 22:17:03,497 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 50 transitions, 108 flow. Second operand has 3 states, 3 states have (on average 187.66666666666666) internal successors, (563), 3 states have internal predecessors, (563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:17:03,497 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:17:03,497 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 187 of 266 [2021-04-28 22:17:03,497 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:17:03,638 INFO L129 PetriNetUnfolder]: 79/300 cut-off events. [2021-04-28 22:17:03,638 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 22:17:03,640 INFO L84 FinitePrefix]: Finished finitePrefix Result has 473 conditions, 300 events. 79/300 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 83. Compared 2081 event pairs, 21 based on Foata normal form. 0/165 useless extension candidates. Maximal degree in co-relation 464. Up to 146 conditions per place. [2021-04-28 22:17:03,641 INFO L132 encePairwiseOnDemand]: 260/266 looper letters, 3 selfloop transitions, 3 changer transitions 38/70 dead transitions. [2021-04-28 22:17:03,641 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 70 transitions, 236 flow [2021-04-28 22:17:03,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 22:17:03,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 22:17:03,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 604 transitions. [2021-04-28 22:17:03,644 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7568922305764411 [2021-04-28 22:17:03,644 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 604 transitions. [2021-04-28 22:17:03,644 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 604 transitions. [2021-04-28 22:17:03,645 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:17:03,645 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 604 transitions. [2021-04-28 22:17:03,647 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 201.33333333333334) internal successors, (604), 3 states have internal predecessors, (604), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:17:03,650 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 266.0) internal successors, (1064), 4 states have internal predecessors, (1064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:17:03,651 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 266.0) internal successors, (1064), 4 states have internal predecessors, (1064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:17:03,651 INFO L185 Difference]: Start difference. First operand has 57 places, 50 transitions, 108 flow. Second operand 3 states and 604 transitions. [2021-04-28 22:17:03,652 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 70 transitions, 236 flow [2021-04-28 22:17:03,653 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 70 transitions, 232 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 22:17:03,654 INFO L241 Difference]: Finished difference. Result has 58 places, 32 transitions, 83 flow [2021-04-28 22:17:03,654 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=266, PETRI_DIFFERENCE_MINUEND_FLOW=104, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=83, PETRI_PLACES=58, PETRI_TRANSITIONS=32} [2021-04-28 22:17:03,655 INFO L343 CegarLoopForPetriNet]: 104 programPoint places, -46 predicate places. [2021-04-28 22:17:03,655 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:17:03,656 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 58 places, 32 transitions, 83 flow [2021-04-28 22:17:03,656 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 58 places, 32 transitions, 83 flow [2021-04-28 22:17:03,657 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 38 places, 32 transitions, 83 flow [2021-04-28 22:17:03,664 INFO L129 PetriNetUnfolder]: 3/46 cut-off events. [2021-04-28 22:17:03,665 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 22:17:03,665 INFO L84 FinitePrefix]: Finished finitePrefix Result has 65 conditions, 46 events. 3/46 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 154 event pairs, 1 based on Foata normal form. 0/27 useless extension candidates. Maximal degree in co-relation 57. Up to 10 conditions per place. [2021-04-28 22:17:03,666 INFO L146 LiptonReduction]: Number of co-enabled transitions 500 [2021-04-28 22:17:03,670 INFO L158 LiptonReduction]: Checked pairs total: 368 [2021-04-28 22:17:03,670 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 22:17:03,671 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 16 [2021-04-28 22:17:03,672 INFO L480 AbstractCegarLoop]: Abstraction has has 38 places, 32 transitions, 83 flow [2021-04-28 22:17:03,673 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 187.66666666666666) internal successors, (563), 3 states have internal predecessors, (563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:17:03,673 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:17:03,673 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:17:03,673 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-28 22:17:03,674 INFO L428 AbstractCegarLoop]: === Iteration 3 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:17:03,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:17:03,674 INFO L82 PathProgramCache]: Analyzing trace with hash 1055266835, now seen corresponding path program 1 times [2021-04-28 22:17:03,675 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:17:03,675 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591879080] [2021-04-28 22:17:03,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:17:03,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:17:03,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:17:03,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:17:03,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:17:03,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 22:17:03,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:17:03,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 22:17:03,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 22:17:03,775 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591879080] [2021-04-28 22:17:03,775 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:17:03,775 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 22:17:03,776 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850929172] [2021-04-28 22:17:03,776 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 22:17:03,776 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:17:03,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 22:17:03,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 22:17:03,780 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 178 out of 266 [2021-04-28 22:17:03,781 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 32 transitions, 83 flow. Second operand has 4 states, 4 states have (on average 178.75) internal successors, (715), 4 states have internal predecessors, (715), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:17:03,781 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:17:03,781 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 178 of 266 [2021-04-28 22:17:03,781 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:17:03,929 INFO L129 PetriNetUnfolder]: 250/571 cut-off events. [2021-04-28 22:17:03,929 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 22:17:03,931 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1134 conditions, 571 events. 250/571 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 192. Compared 4032 event pairs, 75 based on Foata normal form. 19/167 useless extension candidates. Maximal degree in co-relation 1124. Up to 334 conditions per place. [2021-04-28 22:17:03,934 INFO L132 encePairwiseOnDemand]: 252/266 looper letters, 15 selfloop transitions, 17 changer transitions 9/57 dead transitions. [2021-04-28 22:17:03,934 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 57 transitions, 215 flow [2021-04-28 22:17:03,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 22:17:03,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 22:17:03,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 932 transitions. [2021-04-28 22:17:03,938 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7007518796992481 [2021-04-28 22:17:03,938 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 932 transitions. [2021-04-28 22:17:03,938 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 932 transitions. [2021-04-28 22:17:03,939 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:17:03,939 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 932 transitions. [2021-04-28 22:17:03,942 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 186.4) internal successors, (932), 5 states have internal predecessors, (932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:17:03,946 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 266.0) internal successors, (1596), 6 states have internal predecessors, (1596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:17:03,947 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 266.0) internal successors, (1596), 6 states have internal predecessors, (1596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:17:03,948 INFO L185 Difference]: Start difference. First operand has 38 places, 32 transitions, 83 flow. Second operand 5 states and 932 transitions. [2021-04-28 22:17:03,948 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 57 transitions, 215 flow [2021-04-28 22:17:03,949 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 57 transitions, 212 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 22:17:03,950 INFO L241 Difference]: Finished difference. Result has 44 places, 47 transitions, 204 flow [2021-04-28 22:17:03,951 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=266, PETRI_DIFFERENCE_MINUEND_FLOW=80, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=204, PETRI_PLACES=44, PETRI_TRANSITIONS=47} [2021-04-28 22:17:03,951 INFO L343 CegarLoopForPetriNet]: 104 programPoint places, -60 predicate places. [2021-04-28 22:17:03,951 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:17:03,951 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 44 places, 47 transitions, 204 flow [2021-04-28 22:17:03,952 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 44 places, 47 transitions, 204 flow [2021-04-28 22:17:03,952 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 44 places, 47 transitions, 204 flow [2021-04-28 22:17:03,991 INFO L129 PetriNetUnfolder]: 74/358 cut-off events. [2021-04-28 22:17:03,991 INFO L130 PetriNetUnfolder]: For 83/92 co-relation queries the response was YES. [2021-04-28 22:17:03,992 INFO L84 FinitePrefix]: Finished finitePrefix Result has 896 conditions, 358 events. 74/358 cut-off events. For 83/92 co-relation queries the response was YES. Maximal size of possible extension queue 123. Compared 3182 event pairs, 48 based on Foata normal form. 1/139 useless extension candidates. Maximal degree in co-relation 884. Up to 226 conditions per place. [2021-04-28 22:17:03,997 INFO L146 LiptonReduction]: Number of co-enabled transitions 582 [2021-04-28 22:17:04,154 INFO L158 LiptonReduction]: Checked pairs total: 515 [2021-04-28 22:17:04,155 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 22:17:04,155 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 204 [2021-04-28 22:17:04,156 INFO L480 AbstractCegarLoop]: Abstraction has has 44 places, 47 transitions, 204 flow [2021-04-28 22:17:04,157 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 178.75) internal successors, (715), 4 states have internal predecessors, (715), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:17:04,158 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:17:04,158 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:17:04,158 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-28 22:17:04,161 INFO L428 AbstractCegarLoop]: === Iteration 4 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:17:04,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:17:04,163 INFO L82 PathProgramCache]: Analyzing trace with hash 1369997598, now seen corresponding path program 1 times [2021-04-28 22:17:04,163 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:17:04,164 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123102139] [2021-04-28 22:17:04,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:17:04,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:17:04,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:17:04,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 22:17:04,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:17:04,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:17:04,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 22:17:04,319 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123102139] [2021-04-28 22:17:04,319 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:17:04,320 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 22:17:04,320 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040088023] [2021-04-28 22:17:04,321 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 22:17:04,321 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:17:04,322 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 22:17:04,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 22:17:04,324 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 187 out of 266 [2021-04-28 22:17:04,325 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 47 transitions, 204 flow. Second operand has 3 states, 3 states have (on average 188.0) internal successors, (564), 3 states have internal predecessors, (564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:17:04,326 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:17:04,326 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 187 of 266 [2021-04-28 22:17:04,326 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:17:04,430 INFO L129 PetriNetUnfolder]: 60/509 cut-off events. [2021-04-28 22:17:04,430 INFO L130 PetriNetUnfolder]: For 199/237 co-relation queries the response was YES. [2021-04-28 22:17:04,431 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1383 conditions, 509 events. 60/509 cut-off events. For 199/237 co-relation queries the response was YES. Maximal size of possible extension queue 255. Compared 5479 event pairs, 18 based on Foata normal form. 21/232 useless extension candidates. Maximal degree in co-relation 1369. Up to 352 conditions per place. [2021-04-28 22:17:04,433 INFO L132 encePairwiseOnDemand]: 263/266 looper letters, 3 selfloop transitions, 3 changer transitions 15/47 dead transitions. [2021-04-28 22:17:04,433 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 47 transitions, 216 flow [2021-04-28 22:17:04,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 22:17:04,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 22:17:04,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 567 transitions. [2021-04-28 22:17:04,436 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7105263157894737 [2021-04-28 22:17:04,436 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 567 transitions. [2021-04-28 22:17:04,437 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 567 transitions. [2021-04-28 22:17:04,437 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:17:04,437 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 567 transitions. [2021-04-28 22:17:04,439 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 189.0) internal successors, (567), 3 states have internal predecessors, (567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:17:04,442 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 266.0) internal successors, (1064), 4 states have internal predecessors, (1064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:17:04,443 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 266.0) internal successors, (1064), 4 states have internal predecessors, (1064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:17:04,443 INFO L185 Difference]: Start difference. First operand has 44 places, 47 transitions, 204 flow. Second operand 3 states and 567 transitions. [2021-04-28 22:17:04,443 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 47 transitions, 216 flow [2021-04-28 22:17:04,449 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 47 transitions, 216 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-28 22:17:04,450 INFO L241 Difference]: Finished difference. Result has 47 places, 32 transitions, 139 flow [2021-04-28 22:17:04,451 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=266, PETRI_DIFFERENCE_MINUEND_FLOW=204, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=139, PETRI_PLACES=47, PETRI_TRANSITIONS=32} [2021-04-28 22:17:04,451 INFO L343 CegarLoopForPetriNet]: 104 programPoint places, -57 predicate places. [2021-04-28 22:17:04,451 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:17:04,451 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 47 places, 32 transitions, 139 flow [2021-04-28 22:17:04,452 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 47 places, 32 transitions, 139 flow [2021-04-28 22:17:04,452 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 40 places, 32 transitions, 139 flow [2021-04-28 22:17:04,484 INFO L129 PetriNetUnfolder]: 48/205 cut-off events. [2021-04-28 22:17:04,485 INFO L130 PetriNetUnfolder]: For 94/106 co-relation queries the response was YES. [2021-04-28 22:17:04,485 INFO L84 FinitePrefix]: Finished finitePrefix Result has 533 conditions, 205 events. 48/205 cut-off events. For 94/106 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 1437 event pairs, 30 based on Foata normal form. 0/136 useless extension candidates. Maximal degree in co-relation 519. Up to 100 conditions per place. [2021-04-28 22:17:04,488 INFO L146 LiptonReduction]: Number of co-enabled transitions 300 [2021-04-28 22:17:04,627 INFO L158 LiptonReduction]: Checked pairs total: 232 [2021-04-28 22:17:04,627 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 22:17:04,627 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 176 [2021-04-28 22:17:04,629 INFO L480 AbstractCegarLoop]: Abstraction has has 40 places, 32 transitions, 139 flow [2021-04-28 22:17:04,629 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 188.0) internal successors, (564), 3 states have internal predecessors, (564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:17:04,630 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:17:04,630 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:17:04,630 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-28 22:17:04,630 INFO L428 AbstractCegarLoop]: === Iteration 5 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:17:04,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:17:04,631 INFO L82 PathProgramCache]: Analyzing trace with hash 181895586, now seen corresponding path program 1 times [2021-04-28 22:17:04,631 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:17:04,631 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112011346] [2021-04-28 22:17:04,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:17:04,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:17:04,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:17:04,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:17:04,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:17:04,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:17:04,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:17:04,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 22:17:04,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:17:04,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 22:17:04,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 22:17:04,765 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112011346] [2021-04-28 22:17:04,765 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:17:04,767 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 22:17:04,767 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619176352] [2021-04-28 22:17:04,768 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 22:17:04,768 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:17:04,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 22:17:04,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 22:17:04,774 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 178 out of 266 [2021-04-28 22:17:04,776 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 32 transitions, 139 flow. Second operand has 5 states, 5 states have (on average 178.8) internal successors, (894), 5 states have internal predecessors, (894), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:17:04,776 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:17:04,776 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 178 of 266 [2021-04-28 22:17:04,778 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:17:04,995 INFO L129 PetriNetUnfolder]: 102/286 cut-off events. [2021-04-28 22:17:04,996 INFO L130 PetriNetUnfolder]: For 204/291 co-relation queries the response was YES. [2021-04-28 22:17:04,996 INFO L84 FinitePrefix]: Finished finitePrefix Result has 929 conditions, 286 events. 102/286 cut-off events. For 204/291 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 1865 event pairs, 0 based on Foata normal form. 33/207 useless extension candidates. Maximal degree in co-relation 913. Up to 127 conditions per place. [2021-04-28 22:17:04,997 INFO L132 encePairwiseOnDemand]: 256/266 looper letters, 2 selfloop transitions, 13 changer transitions 15/42 dead transitions. [2021-04-28 22:17:04,998 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 42 transitions, 236 flow [2021-04-28 22:17:04,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-28 22:17:04,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-04-28 22:17:05,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1097 transitions. [2021-04-28 22:17:05,002 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6873433583959899 [2021-04-28 22:17:05,002 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1097 transitions. [2021-04-28 22:17:05,002 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1097 transitions. [2021-04-28 22:17:05,003 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:17:05,003 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1097 transitions. [2021-04-28 22:17:05,007 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 182.83333333333334) internal successors, (1097), 6 states have internal predecessors, (1097), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:17:05,011 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 266.0) internal successors, (1862), 7 states have internal predecessors, (1862), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:17:05,013 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 266.0) internal successors, (1862), 7 states have internal predecessors, (1862), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:17:05,014 INFO L185 Difference]: Start difference. First operand has 40 places, 32 transitions, 139 flow. Second operand 6 states and 1097 transitions. [2021-04-28 22:17:05,014 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 42 transitions, 236 flow [2021-04-28 22:17:05,016 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 42 transitions, 213 flow, removed 9 selfloop flow, removed 2 redundant places. [2021-04-28 22:17:05,018 INFO L241 Difference]: Finished difference. Result has 46 places, 27 transitions, 149 flow [2021-04-28 22:17:05,018 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=266, PETRI_DIFFERENCE_MINUEND_FLOW=123, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=149, PETRI_PLACES=46, PETRI_TRANSITIONS=27} [2021-04-28 22:17:05,018 INFO L343 CegarLoopForPetriNet]: 104 programPoint places, -58 predicate places. [2021-04-28 22:17:05,018 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:17:05,019 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 46 places, 27 transitions, 149 flow [2021-04-28 22:17:05,019 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 46 places, 27 transitions, 149 flow [2021-04-28 22:17:05,019 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 40 places, 27 transitions, 149 flow [2021-04-28 22:17:05,030 INFO L129 PetriNetUnfolder]: 9/63 cut-off events. [2021-04-28 22:17:05,030 INFO L130 PetriNetUnfolder]: For 39/45 co-relation queries the response was YES. [2021-04-28 22:17:05,030 INFO L84 FinitePrefix]: Finished finitePrefix Result has 209 conditions, 63 events. 9/63 cut-off events. For 39/45 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 236 event pairs, 0 based on Foata normal form. 0/44 useless extension candidates. Maximal degree in co-relation 192. Up to 28 conditions per place. [2021-04-28 22:17:05,031 INFO L146 LiptonReduction]: Number of co-enabled transitions 126 [2021-04-28 22:17:05,181 INFO L158 LiptonReduction]: Checked pairs total: 220 [2021-04-28 22:17:05,182 INFO L160 LiptonReduction]: Total number of compositions: 1 [2021-04-28 22:17:05,182 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 164 [2021-04-28 22:17:05,183 INFO L480 AbstractCegarLoop]: Abstraction has has 40 places, 27 transitions, 149 flow [2021-04-28 22:17:05,184 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 178.8) internal successors, (894), 5 states have internal predecessors, (894), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:17:05,184 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:17:05,184 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:17:05,184 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-28 22:17:05,184 INFO L428 AbstractCegarLoop]: === Iteration 6 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:17:05,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:17:05,185 INFO L82 PathProgramCache]: Analyzing trace with hash 1990295402, now seen corresponding path program 1 times [2021-04-28 22:17:05,185 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:17:05,185 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704509578] [2021-04-28 22:17:05,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:17:05,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 22:17:05,275 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 22:17:05,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 22:17:05,347 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 22:17:05,399 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-04-28 22:17:05,399 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-04-28 22:17:05,399 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-28 22:17:05,522 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.04 10:17:05 BasicIcfg [2021-04-28 22:17:05,522 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-04-28 22:17:05,524 INFO L168 Benchmark]: Toolchain (without parser) took 32612.05 ms. Allocated memory was 302.0 MB in the beginning and 708.8 MB in the end (delta: 406.8 MB). Free memory was 275.1 MB in the beginning and 594.9 MB in the end (delta: -319.7 MB). Peak memory consumption was 90.3 MB. Max. memory is 16.0 GB. [2021-04-28 22:17:05,524 INFO L168 Benchmark]: CDTParser took 0.71 ms. Allocated memory is still 302.0 MB. Free memory is still 270.5 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-04-28 22:17:05,525 INFO L168 Benchmark]: CACSL2BoogieTranslator took 844.07 ms. Allocated memory is still 302.0 MB. Free memory was 272.0 MB in the beginning and 268.7 MB in the end (delta: 3.4 MB). Peak memory consumption was 27.5 MB. Max. memory is 16.0 GB. [2021-04-28 22:17:05,525 INFO L168 Benchmark]: Boogie Procedure Inliner took 107.47 ms. Allocated memory is still 302.0 MB. Free memory was 268.7 MB in the beginning and 266.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-28 22:17:05,526 INFO L168 Benchmark]: Boogie Preprocessor took 66.77 ms. Allocated memory is still 302.0 MB. Free memory was 266.6 MB in the beginning and 264.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-28 22:17:05,527 INFO L168 Benchmark]: RCFGBuilder took 2022.10 ms. Allocated memory was 302.0 MB in the beginning and 375.4 MB in the end (delta: 73.4 MB). Free memory was 264.5 MB in the beginning and 309.0 MB in the end (delta: -44.6 MB). Peak memory consumption was 163.6 MB. Max. memory is 16.0 GB. [2021-04-28 22:17:05,527 INFO L168 Benchmark]: TraceAbstraction took 29511.22 ms. Allocated memory was 375.4 MB in the beginning and 708.8 MB in the end (delta: 333.4 MB). Free memory was 309.0 MB in the beginning and 594.9 MB in the end (delta: -285.9 MB). Peak memory consumption was 47.6 MB. Max. memory is 16.0 GB. [2021-04-28 22:17:05,531 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.71 ms. Allocated memory is still 302.0 MB. Free memory is still 270.5 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 844.07 ms. Allocated memory is still 302.0 MB. Free memory was 272.0 MB in the beginning and 268.7 MB in the end (delta: 3.4 MB). Peak memory consumption was 27.5 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 107.47 ms. Allocated memory is still 302.0 MB. Free memory was 268.7 MB in the beginning and 266.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 66.77 ms. Allocated memory is still 302.0 MB. Free memory was 266.6 MB in the beginning and 264.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 2022.10 ms. Allocated memory was 302.0 MB in the beginning and 375.4 MB in the end (delta: 73.4 MB). Free memory was 264.5 MB in the beginning and 309.0 MB in the end (delta: -44.6 MB). Peak memory consumption was 163.6 MB. Max. memory is 16.0 GB. * TraceAbstraction took 29511.22 ms. Allocated memory was 375.4 MB in the beginning and 708.8 MB in the end (delta: 333.4 MB). Free memory was 309.0 MB in the beginning and 594.9 MB in the end (delta: -285.9 MB). Peak memory consumption was 47.6 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 26344.3ms, 83 PlacesBefore, 104 PlacesAfterwards, 78 TransitionsBefore, 98 TransitionsAfterwards, 926 CoEnabledTransitionPairs, 8 FixpointIterations, 109 TrivialSequentialCompositions, 75 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 1 ChoiceCompositions, 186 TotalNumberOfCompositions, 8224 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2090, positive: 1900, positive conditional: 1900, positive unconditional: 0, negative: 190, negative conditional: 190, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1042, positive: 993, positive conditional: 0, positive unconditional: 993, negative: 49, negative conditional: 0, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1042, positive: 993, positive conditional: 0, positive unconditional: 993, negative: 49, negative conditional: 0, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1042, positive: 980, positive conditional: 0, positive unconditional: 980, negative: 62, negative conditional: 0, negative unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 62, positive: 13, positive conditional: 0, positive unconditional: 13, negative: 49, negative conditional: 0, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1028, positive: 54, positive conditional: 0, positive unconditional: 54, negative: 975, negative conditional: 0, negative unconditional: 975, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2090, positive: 907, positive conditional: 907, positive unconditional: 0, negative: 141, negative conditional: 141, negative unconditional: 0, unknown: 1042, unknown conditional: 1042, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1042, Positive cache size: 993, Positive conditional cache size: 993, Positive unconditional cache size: 0, Negative cache size: 49, Negative conditional cache size: 49, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 207.4ms, 101 PlacesBefore, 57 PlacesAfterwards, 50 TransitionsBefore, 50 TransitionsAfterwards, 1022 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1334 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 179, positive: 117, positive conditional: 117, positive unconditional: 0, negative: 62, negative conditional: 62, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 37, positive: 22, positive conditional: 0, positive unconditional: 22, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 37, positive: 22, positive conditional: 0, positive unconditional: 22, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 37, positive: 19, positive conditional: 0, positive unconditional: 19, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 18, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 178, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 167, negative conditional: 0, negative unconditional: 167, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 179, positive: 95, positive conditional: 95, positive unconditional: 0, negative: 47, negative conditional: 47, negative unconditional: 0, unknown: 37, unknown conditional: 37, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1079, Positive cache size: 1015, Positive conditional cache size: 1015, Positive unconditional cache size: 0, Negative cache size: 64, Negative conditional cache size: 64, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 14.4ms, 58 PlacesBefore, 38 PlacesAfterwards, 32 TransitionsBefore, 32 TransitionsAfterwards, 500 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 368 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 61, positive: 42, positive conditional: 42, positive unconditional: 0, negative: 19, negative conditional: 19, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9, positive: 9, positive conditional: 3, positive unconditional: 6, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 9, positive: 9, positive conditional: 3, positive unconditional: 6, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 9, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 61, positive: 33, positive conditional: 33, positive unconditional: 0, negative: 19, negative conditional: 19, negative unconditional: 0, unknown: 9, unknown conditional: 9, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1088, Positive cache size: 1024, Positive conditional cache size: 1024, Positive unconditional cache size: 0, Negative cache size: 64, Negative conditional cache size: 64, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 203.1ms, 44 PlacesBefore, 44 PlacesAfterwards, 47 TransitionsBefore, 47 TransitionsAfterwards, 582 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 515 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 86, positive: 67, positive conditional: 67, positive unconditional: 0, negative: 19, negative conditional: 19, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 14, positive: 11, positive conditional: 3, 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: 14, positive: 11, positive conditional: 3, 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: 14, positive: 11, positive conditional: 0, positive unconditional: 11, 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: 146, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 146, negative conditional: 0, negative unconditional: 146, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 86, positive: 56, positive conditional: 56, positive unconditional: 0, negative: 16, negative conditional: 16, negative unconditional: 0, unknown: 14, unknown conditional: 14, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1102, Positive cache size: 1035, Positive conditional cache size: 1035, Positive unconditional cache size: 0, Negative cache size: 67, Negative conditional cache size: 67, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 175.4ms, 47 PlacesBefore, 40 PlacesAfterwards, 32 TransitionsBefore, 32 TransitionsAfterwards, 300 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 232 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 30, positive: 14, positive conditional: 14, positive unconditional: 0, negative: 16, negative conditional: 16, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 5, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 135, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 135, negative conditional: 0, negative unconditional: 135, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 30, positive: 13, positive conditional: 13, positive unconditional: 0, negative: 11, negative conditional: 11, negative unconditional: 0, unknown: 6, unknown conditional: 6, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1108, Positive cache size: 1036, Positive conditional cache size: 1036, Positive unconditional cache size: 0, Negative cache size: 72, Negative conditional cache size: 72, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 162.9ms, 46 PlacesBefore, 40 PlacesAfterwards, 27 TransitionsBefore, 27 TransitionsAfterwards, 126 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 220 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 60, positive: 32, positive conditional: 32, positive unconditional: 0, negative: 28, negative conditional: 28, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 1, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 1, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 60, positive: 27, positive conditional: 27, positive unconditional: 0, negative: 28, negative conditional: 28, negative unconditional: 0, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1113, Positive cache size: 1041, Positive conditional cache size: 1041, Positive unconditional cache size: 0, Negative cache size: 72, Negative conditional cache size: 72, Negative unconditional cache size: 0 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L708] 0 int __unbuffered_cnt = 0; [L710] 0 int __unbuffered_p1_EAX = 0; [L711] 0 _Bool main$tmp_guard0; [L712] 0 _Bool main$tmp_guard1; [L714] 0 int x = 0; [L716] 0 int y = 0; [L717] 0 _Bool y$flush_delayed; [L718] 0 int y$mem_tmp; [L719] 0 _Bool y$r_buff0_thd0; [L720] 0 _Bool y$r_buff0_thd1; [L721] 0 _Bool y$r_buff0_thd2; [L722] 0 _Bool y$r_buff1_thd0; [L723] 0 _Bool y$r_buff1_thd1; [L724] 0 _Bool y$r_buff1_thd2; [L725] 0 _Bool y$read_delayed; [L726] 0 int *y$read_delayed_var; [L727] 0 int y$w_buff0; [L728] 0 _Bool y$w_buff0_used; [L729] 0 int y$w_buff1; [L730] 0 _Bool y$w_buff1_used; [L731] 0 _Bool weak$$choice0; [L732] 0 _Bool weak$$choice2; [L805] 0 pthread_t t1441; [L806] FCALL, FORK 0 pthread_create(&t1441, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=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] [L736] 1 y$w_buff1 = y$w_buff0 [L737] 1 y$w_buff0 = 1 [L738] 1 y$w_buff1_used = y$w_buff0_used [L739] 1 y$w_buff0_used = (_Bool)1 [L18] COND FALSE 1 !(!expression) [L741] 1 y$r_buff1_thd0 = y$r_buff0_thd0 [L742] 1 y$r_buff1_thd1 = y$r_buff0_thd1 [L743] 1 y$r_buff1_thd2 = y$r_buff0_thd2 [L744] 1 y$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, main$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=1, 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$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L747] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=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=1, 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$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L807] 0 pthread_t t1442; [L808] FCALL, FORK 0 pthread_create(&t1442, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=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=1, 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$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L764] 2 x = 2 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, 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$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L767] 2 weak$$choice0 = __VERIFIER_nondet_bool() [L768] 2 weak$$choice2 = __VERIFIER_nondet_bool() [L769] 2 y$flush_delayed = weak$$choice2 [L770] 2 y$mem_tmp = y [L771] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L771] 2 y = !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L772] EXPR 2 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L772] 2 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L773] EXPR 2 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L773] 2 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L774] EXPR 2 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L774] 2 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L775] EXPR 2 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L775] 2 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L776] EXPR 2 weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L776] 2 y$r_buff0_thd2 = weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L777] EXPR 2 weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L777] 2 y$r_buff1_thd2 = weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L778] 2 __unbuffered_p1_EAX = y [L779] EXPR 2 y$flush_delayed ? y$mem_tmp : y [L779] 2 y = y$flush_delayed ? y$mem_tmp : y [L780] 2 y$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, 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=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L783] 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) [L783] EXPR 2 y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y [L783] 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) [L783] 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) [L784] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L784] 2 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L785] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L785] 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 [L786] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L786] 2 y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L787] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L787] 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 [L750] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L750] 1 y = y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L751] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L751] 1 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L752] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L752] 1 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L753] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L753] 1 y$r_buff0_thd1 = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L754] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 [L754] 1 y$r_buff1_thd1 = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 [L757] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L790] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L810] 0 main$tmp_guard0 = __unbuffered_cnt == 2 [L3] COND FALSE 0 !(!cond) [L814] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L814] EXPR 0 y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y [L814] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L814] 0 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L815] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L815] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L816] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L816] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L817] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L817] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L818] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L818] 0 y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L821] 0 main$tmp_guard1 = !(x == 2 && __unbuffered_p1_EAX == 0) [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, 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$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 79 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 11.4ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 29239.6ms, OverallIterations: 6, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 906.5ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 26445.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 44 SDtfs, 32 SDslu, 5 SDs, 0 SdLazy, 154 SolverSat, 39 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 298.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 62.4ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=204occurred in iteration=3, InterpolantAutomatonStates: 20, 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: 25.2ms SsaConstructionTime, 335.5ms SatisfiabilityAnalysisTime, 387.8ms InterpolantComputationTime, 55 NumberOfCodeBlocks, 55 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 35 ConstructedInterpolants, 0 QuantifiedInterpolants, 109 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...