/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/rfi000_pso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-28 22:53:56,137 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-28 22:53:56,140 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-28 22:53:56,198 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-28 22:53:56,199 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-28 22:53:56,203 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-28 22:53:56,207 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-28 22:53:56,215 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-28 22:53:56,218 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-28 22:53:56,225 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-28 22:53:56,226 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-28 22:53:56,228 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-28 22:53:56,229 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-28 22:53:56,231 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-28 22:53:56,233 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-28 22:53:56,235 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-28 22:53:56,240 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-28 22:53:56,241 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-28 22:53:56,249 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-28 22:53:56,257 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-28 22:53:56,260 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-28 22:53:56,262 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-28 22:53:56,264 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-28 22:53:56,266 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-28 22:53:56,277 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-04-28 22:53:56,290 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-28 22:53:56,291 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-28 22:53:56,292 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-28 22:53:56,293 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 22:53:56,346 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-28 22:53:56,346 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-28 22:53:56,351 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-28 22:53:56,352 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-28 22:53:56,352 INFO L138 SettingsManager]: * Use SBE=true [2021-04-28 22:53:56,352 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-28 22:53:56,352 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-28 22:53:56,352 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-28 22:53:56,353 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-28 22:53:56,353 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-28 22:53:56,354 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-28 22:53:56,355 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-28 22:53:56,355 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-28 22:53:56,355 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-28 22:53:56,355 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-28 22:53:56,355 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-28 22:53:56,356 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-28 22:53:56,356 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-28 22:53:56,356 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-28 22:53:56,356 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-28 22:53:56,357 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-28 22:53:56,357 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 22:53:56,357 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-28 22:53:56,357 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-28 22:53:56,358 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-28 22:53:56,358 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-28 22:53:56,358 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-28 22:53:56,358 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-28 22:53:56,358 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-28 22:53:56,359 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-28 22:53:56,359 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-28 22:53:56,772 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-28 22:53:56,819 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-28 22:53:56,822 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-28 22:53:56,824 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-28 22:53:56,824 INFO L275 PluginConnector]: CDTParser initialized [2021-04-28 22:53:56,825 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/rfi000_pso.oepc.i [2021-04-28 22:53:56,909 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b3577027/56bcaa081d744ddea2dafd5db47e34c2/FLAG92e342e21 [2021-04-28 22:53:57,612 INFO L306 CDTParser]: Found 1 translation units. [2021-04-28 22:53:57,613 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi000_pso.oepc.i [2021-04-28 22:53:57,640 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b3577027/56bcaa081d744ddea2dafd5db47e34c2/FLAG92e342e21 [2021-04-28 22:53:57,909 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b3577027/56bcaa081d744ddea2dafd5db47e34c2 [2021-04-28 22:53:57,914 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-28 22:53:57,959 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-28 22:53:57,961 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-28 22:53:57,961 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-28 22:53:57,967 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-28 22:53:57,968 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 10:53:57" (1/1) ... [2021-04-28 22:53:57,970 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bba33a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:53:57, skipping insertion in model container [2021-04-28 22:53:57,970 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 10:53:57" (1/1) ... [2021-04-28 22:53:57,978 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-28 22:53:58,028 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-28 22:53:58,247 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/rfi000_pso.oepc.i[949,962] [2021-04-28 22:53:58,499 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 22:53:58,515 INFO L203 MainTranslator]: Completed pre-run [2021-04-28 22:53:58,545 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/rfi000_pso.oepc.i[949,962] [2021-04-28 22:53:58,688 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 22:53:58,894 INFO L208 MainTranslator]: Completed translation [2021-04-28 22:53:58,895 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:53:58 WrapperNode [2021-04-28 22:53:58,900 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-28 22:53:58,903 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-28 22:53:58,903 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-28 22:53:58,904 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-28 22:53:58,914 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:53:58" (1/1) ... [2021-04-28 22:53:58,961 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:53:58" (1/1) ... [2021-04-28 22:53:59,018 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-28 22:53:59,019 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-28 22:53:59,019 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-28 22:53:59,019 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-28 22:53:59,030 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:53:58" (1/1) ... [2021-04-28 22:53:59,031 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:53:58" (1/1) ... [2021-04-28 22:53:59,052 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:53:58" (1/1) ... [2021-04-28 22:53:59,052 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:53:58" (1/1) ... [2021-04-28 22:53:59,082 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:53:58" (1/1) ... [2021-04-28 22:53:59,096 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:53:58" (1/1) ... [2021-04-28 22:53:59,103 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:53:58" (1/1) ... [2021-04-28 22:53:59,118 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-28 22:53:59,119 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-28 22:53:59,119 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-28 22:53:59,119 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-28 22:53:59,120 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:53:58" (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 22:53:59,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-28 22:53:59,242 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-04-28 22:53:59,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-28 22:53:59,242 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-28 22:53:59,242 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-04-28 22:53:59,242 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-04-28 22:53:59,243 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-04-28 22:53:59,243 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-04-28 22:53:59,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-28 22:53:59,243 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-04-28 22:53:59,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-28 22:53:59,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-28 22:53:59,246 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 22:54:03,018 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-28 22:54:03,018 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-04-28 22:54:03,020 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 10:54:03 BoogieIcfgContainer [2021-04-28 22:54:03,021 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-28 22:54:03,022 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-28 22:54:03,023 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-28 22:54:03,026 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-28 22:54:03,026 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.04 10:53:57" (1/3) ... [2021-04-28 22:54:03,027 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@725b09f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 10:54:03, skipping insertion in model container [2021-04-28 22:54:03,027 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:53:58" (2/3) ... [2021-04-28 22:54:03,028 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@725b09f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 10:54:03, skipping insertion in model container [2021-04-28 22:54:03,028 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 10:54:03" (3/3) ... [2021-04-28 22:54:03,030 INFO L111 eAbstractionObserver]: Analyzing ICFG rfi000_pso.oepc.i [2021-04-28 22:54:03,037 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-28 22:54:03,043 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-04-28 22:54:03,044 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-28 22:54:03,092 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,092 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,092 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,092 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,093 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,093 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,093 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,093 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,094 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,094 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,094 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,094 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,094 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,095 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,096 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,096 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,096 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,097 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,097 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,097 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,097 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,097 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,097 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,098 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,098 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,098 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,099 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,099 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,099 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,099 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,100 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,100 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,100 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,100 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,101 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,101 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,101 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,101 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,102 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,102 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,102 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,102 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,103 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,103 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,103 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,103 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,103 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,104 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,104 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,104 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,104 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,104 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,104 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,105 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,105 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,105 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,105 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,105 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,105 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,106 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,106 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,106 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,106 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,106 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,107 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,107 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,107 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,107 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,107 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,107 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,108 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,108 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,108 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,108 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,108 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,108 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,109 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,109 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,109 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,109 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,111 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,112 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,112 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,112 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,112 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,112 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,113 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,113 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,113 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,113 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,113 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,113 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,114 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,114 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,114 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,114 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,114 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,115 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,115 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,115 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,115 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,115 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,115 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,116 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,116 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,116 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,116 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,116 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,117 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,117 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,117 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,117 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,117 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,117 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,118 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,118 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,118 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,118 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,121 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,121 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,121 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,121 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,121 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,122 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,122 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,122 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,122 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,122 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,122 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,123 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,123 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,123 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,123 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,123 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,123 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,124 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,124 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,124 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,124 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,124 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,124 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,125 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,125 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,125 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,125 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,125 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,125 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,126 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,126 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,126 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,126 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,126 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,126 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,127 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,127 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,127 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,129 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,130 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,130 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,130 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,130 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,130 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,130 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,131 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,131 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,131 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,131 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,131 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,131 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,132 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,132 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,132 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,132 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,132 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,133 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,133 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,133 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,133 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,133 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,133 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,134 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,134 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,134 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,134 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,134 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,134 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,135 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,135 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,135 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,135 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,135 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,135 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,136 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,136 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,138 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,138 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,138 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,139 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,139 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,139 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,139 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,140 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,140 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,140 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,140 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,140 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,140 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,141 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,141 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,142 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,142 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,142 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,144 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,145 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,145 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,145 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,145 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,146 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,146 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,146 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,146 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,146 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,147 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,147 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,149 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,149 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,150 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,150 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,150 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,150 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,150 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,151 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,151 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,151 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,151 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,152 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,152 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,152 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,152 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,152 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,153 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,153 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,153 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,153 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,154 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,154 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,154 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,154 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,154 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,155 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,155 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,155 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,155 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,155 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,156 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,156 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,156 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,156 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,156 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,157 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,157 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,157 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,157 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,158 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,158 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,158 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,158 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,158 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,159 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,159 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,159 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,159 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,160 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,160 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,160 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,160 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,160 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,161 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,161 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,161 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:54:03,163 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-28 22:54:03,186 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-04-28 22:54:03,212 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-28 22:54:03,212 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-28 22:54:03,212 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-28 22:54:03,212 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-28 22:54:03,212 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-28 22:54:03,212 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-28 22:54:03,213 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-28 22:54:03,213 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-28 22:54:03,226 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 88 places, 83 transitions, 176 flow [2021-04-28 22:54:03,268 INFO L129 PetriNetUnfolder]: 2/81 cut-off events. [2021-04-28 22:54:03,269 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 22:54:03,273 INFO L84 FinitePrefix]: Finished finitePrefix Result has 88 conditions, 81 events. 2/81 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 49 event pairs, 0 based on Foata normal form. 0/77 useless extension candidates. Maximal degree in co-relation 48. Up to 2 conditions per place. [2021-04-28 22:54:03,273 INFO L82 GeneralOperation]: Start removeDead. Operand has 88 places, 83 transitions, 176 flow [2021-04-28 22:54:03,279 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 86 places, 81 transitions, 168 flow [2021-04-28 22:54:03,281 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:54:03,298 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 86 places, 81 transitions, 168 flow [2021-04-28 22:54:03,302 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 86 places, 81 transitions, 168 flow [2021-04-28 22:54:03,304 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 86 places, 81 transitions, 168 flow [2021-04-28 22:54:03,327 INFO L129 PetriNetUnfolder]: 2/81 cut-off events. [2021-04-28 22:54:03,327 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 22:54:03,328 INFO L84 FinitePrefix]: Finished finitePrefix Result has 88 conditions, 81 events. 2/81 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 54 event pairs, 0 based on Foata normal form. 0/77 useless extension candidates. Maximal degree in co-relation 48. Up to 2 conditions per place. [2021-04-28 22:54:03,331 INFO L146 LiptonReduction]: Number of co-enabled transitions 1058 [2021-04-28 22:54:05,213 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 228 DAG size of output: 187 [2021-04-28 22:54:05,710 WARN L205 SmtUtils]: Spent 494.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2021-04-28 22:54:08,113 WARN L205 SmtUtils]: Spent 2.40 s on a formula simplification. DAG size of input: 312 DAG size of output: 268 [2021-04-28 22:54:09,179 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 265 [2021-04-28 22:54:11,385 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-04-28 22:54:11,504 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 22:54:12,117 WARN L205 SmtUtils]: Spent 611.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 83 [2021-04-28 22:54:12,354 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 22:54:13,320 WARN L205 SmtUtils]: Spent 593.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2021-04-28 22:54:13,852 WARN L205 SmtUtils]: Spent 530.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2021-04-28 22:54:15,005 WARN L205 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 267 [2021-04-28 22:54:16,181 WARN L205 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 267 [2021-04-28 22:54:16,738 WARN L205 SmtUtils]: Spent 553.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2021-04-28 22:54:17,305 WARN L205 SmtUtils]: Spent 564.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2021-04-28 22:54:18,487 WARN L205 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 265 [2021-04-28 22:54:19,663 WARN L205 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 265 [2021-04-28 22:54:20,302 WARN L205 SmtUtils]: Spent 634.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2021-04-28 22:54:20,940 WARN L205 SmtUtils]: Spent 635.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2021-04-28 22:54:23,323 WARN L205 SmtUtils]: Spent 2.38 s on a formula simplification. DAG size of input: 269 DAG size of output: 268 [2021-04-28 22:54:24,495 WARN L205 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 268 [2021-04-28 22:54:27,107 WARN L205 SmtUtils]: Spent 620.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2021-04-28 22:54:27,691 WARN L205 SmtUtils]: Spent 582.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2021-04-28 22:54:30,098 WARN L205 SmtUtils]: Spent 2.40 s on a formula simplification. DAG size of input: 265 DAG size of output: 264 [2021-04-28 22:54:31,303 WARN L205 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 264 [2021-04-28 22:54:31,919 WARN L205 SmtUtils]: Spent 612.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2021-04-28 22:54:32,585 WARN L205 SmtUtils]: Spent 664.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2021-04-28 22:54:35,166 WARN L205 SmtUtils]: Spent 2.58 s on a formula simplification. DAG size of input: 268 DAG size of output: 267 [2021-04-28 22:54:36,520 WARN L205 SmtUtils]: Spent 1.35 s on a formula simplification that was a NOOP. DAG size: 267 [2021-04-28 22:54:37,212 WARN L205 SmtUtils]: Spent 681.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2021-04-28 22:54:37,900 WARN L205 SmtUtils]: Spent 685.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2021-04-28 22:54:39,189 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 267 [2021-04-28 22:54:40,473 WARN L205 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 267 [2021-04-28 22:54:41,152 WARN L205 SmtUtils]: Spent 674.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2021-04-28 22:54:41,854 WARN L205 SmtUtils]: Spent 699.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2021-04-28 22:54:43,235 WARN L205 SmtUtils]: Spent 1.38 s on a formula simplification that was a NOOP. DAG size: 268 [2021-04-28 22:54:44,623 WARN L205 SmtUtils]: Spent 1.39 s on a formula simplification that was a NOOP. DAG size: 268 [2021-04-28 22:54:46,508 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2021-04-28 22:54:46,695 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2021-04-28 22:54:46,928 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2021-04-28 22:54:47,121 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2021-04-28 22:54:47,338 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2021-04-28 22:54:47,557 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2021-04-28 22:54:47,795 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2021-04-28 22:54:48,037 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2021-04-28 22:54:48,258 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2021-04-28 22:54:48,469 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2021-04-28 22:54:49,289 WARN L205 SmtUtils]: Spent 711.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2021-04-28 22:54:49,997 WARN L205 SmtUtils]: Spent 706.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2021-04-28 22:54:52,940 WARN L205 SmtUtils]: Spent 2.94 s on a formula simplification. DAG size of input: 268 DAG size of output: 267 [2021-04-28 22:54:54,417 WARN L205 SmtUtils]: Spent 1.48 s on a formula simplification that was a NOOP. DAG size: 267 [2021-04-28 22:54:55,160 WARN L205 SmtUtils]: Spent 729.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2021-04-28 22:54:55,907 WARN L205 SmtUtils]: Spent 745.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2021-04-28 22:54:57,432 WARN L205 SmtUtils]: Spent 1.52 s on a formula simplification that was a NOOP. DAG size: 265 [2021-04-28 22:54:59,018 WARN L205 SmtUtils]: Spent 1.58 s on a formula simplification that was a NOOP. DAG size: 265 [2021-04-28 22:54:59,768 WARN L205 SmtUtils]: Spent 746.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2021-04-28 22:55:00,507 WARN L205 SmtUtils]: Spent 737.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2021-04-28 22:55:03,538 WARN L205 SmtUtils]: Spent 3.03 s on a formula simplification. DAG size of input: 267 DAG size of output: 266 [2021-04-28 22:55:05,150 WARN L205 SmtUtils]: Spent 1.61 s on a formula simplification that was a NOOP. DAG size: 266 [2021-04-28 22:55:05,997 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2021-04-28 22:55:06,217 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2021-04-28 22:55:06,447 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2021-04-28 22:55:06,700 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2021-04-28 22:55:06,979 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2021-04-28 22:55:07,262 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2021-04-28 22:55:07,555 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2021-04-28 22:55:07,866 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2021-04-28 22:55:08,507 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-04-28 22:55:08,616 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-04-28 22:55:08,723 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-04-28 22:55:08,831 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-04-28 22:55:10,921 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2021-04-28 22:55:11,239 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2021-04-28 22:55:11,516 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2021-04-28 22:55:11,767 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2021-04-28 22:55:11,986 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2021-04-28 22:55:12,207 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2021-04-28 22:55:12,505 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2021-04-28 22:55:12,611 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 22:55:12,839 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2021-04-28 22:55:12,942 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 22:55:13,137 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2021-04-28 22:55:13,423 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2021-04-28 22:55:13,759 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 22:55:13,987 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 22:55:14,216 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 22:55:14,435 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 22:55:14,551 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 22:55:14,666 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 22:55:14,787 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 22:55:14,910 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 22:55:15,042 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 22:55:15,173 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 22:55:15,313 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 22:55:15,450 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 22:55:15,619 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 22:55:15,789 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 22:55:15,967 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 22:55:16,151 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 22:55:16,283 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 22:55:16,416 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 22:55:16,544 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 22:55:16,668 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 22:55:17,227 WARN L205 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 103 [2021-04-28 22:55:17,498 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2021-04-28 22:55:18,088 WARN L205 SmtUtils]: Spent 587.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 103 [2021-04-28 22:55:18,366 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2021-04-28 22:55:18,513 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 22:55:18,673 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 22:55:18,822 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 22:55:18,975 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 22:55:19,095 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 22:55:19,211 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 22:55:19,325 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 22:55:19,443 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 22:55:19,578 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 22:55:19,708 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 22:55:19,839 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 22:55:19,977 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 22:55:20,136 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 22:55:20,288 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 22:55:20,445 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 22:55:20,597 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 22:55:20,708 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 22:55:20,815 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 22:55:20,928 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 22:55:21,044 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 22:55:21,228 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 22:55:21,412 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 22:55:21,583 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 22:55:21,760 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 22:55:21,971 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 22:55:22,187 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 22:55:22,409 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 22:55:22,624 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 22:55:22,847 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 22:55:23,065 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 22:55:23,305 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 22:55:23,533 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 22:55:23,753 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 22:55:23,967 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 22:55:24,188 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 22:55:24,412 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 22:55:24,600 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 22:55:24,797 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 22:55:24,981 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 22:55:25,161 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 22:55:25,378 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 22:55:25,596 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 22:55:25,812 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 22:55:26,033 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 22:55:26,242 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 22:55:26,443 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 22:55:26,638 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 22:55:26,839 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 22:55:26,982 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 22:55:27,124 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 22:55:27,271 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 22:55:27,415 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 22:55:28,039 WARN L205 SmtUtils]: Spent 622.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 108 [2021-04-28 22:55:28,326 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 22:55:28,947 WARN L205 SmtUtils]: Spent 619.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 108 [2021-04-28 22:55:29,228 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 22:55:29,436 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 22:55:29,646 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 22:55:29,855 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 22:55:30,063 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 22:55:30,282 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 22:55:30,512 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 22:55:30,728 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 22:55:30,934 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 22:55:31,100 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 22:55:31,259 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 22:55:31,419 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 22:55:31,583 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 22:55:31,641 INFO L158 LiptonReduction]: Checked pairs total: 9675 [2021-04-28 22:55:31,642 INFO L160 LiptonReduction]: Total number of compositions: 188 [2021-04-28 22:55:31,651 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 88372 [2021-04-28 22:55:31,670 INFO L129 PetriNetUnfolder]: 0/50 cut-off events. [2021-04-28 22:55:31,670 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 22:55:31,670 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:55:31,671 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2021-04-28 22:55:31,671 INFO L428 AbstractCegarLoop]: === Iteration 1 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:55:31,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:55:31,678 INFO L82 PathProgramCache]: Analyzing trace with hash 1675183, now seen corresponding path program 1 times [2021-04-28 22:55:31,686 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:55:31,687 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780864265] [2021-04-28 22:55:31,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:55:31,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:55:31,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:55:31,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 22:55:32,010 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 22:55:32,010 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780864265] [2021-04-28 22:55:32,011 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:55:32,011 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 22:55:32,012 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339949995] [2021-04-28 22:55:32,021 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 22:55:32,021 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:55:32,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 22:55:32,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 22:55:32,040 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 200 out of 271 [2021-04-28 22:55:32,045 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 109 places, 104 transitions, 214 flow. Second operand has 3 states, 3 states have (on average 200.66666666666666) internal successors, (602), 3 states have internal predecessors, (602), 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 22:55:32,045 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:55:32,046 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 200 of 271 [2021-04-28 22:55:32,047 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:55:32,632 INFO L129 PetriNetUnfolder]: 261/835 cut-off events. [2021-04-28 22:55:32,633 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 22:55:32,636 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1306 conditions, 835 events. 261/835 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 134. Compared 6635 event pairs, 45 based on Foata normal form. 12/462 useless extension candidates. Maximal degree in co-relation 1242. Up to 345 conditions per place. [2021-04-28 22:55:32,639 INFO L132 encePairwiseOnDemand]: 254/271 looper letters, 11 selfloop transitions, 2 changer transitions 80/117 dead transitions. [2021-04-28 22:55:32,640 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 108 places, 117 transitions, 338 flow [2021-04-28 22:55:32,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 22:55:32,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 22:55:32,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 654 transitions. [2021-04-28 22:55:32,661 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8044280442804428 [2021-04-28 22:55:32,662 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 654 transitions. [2021-04-28 22:55:32,663 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 654 transitions. [2021-04-28 22:55:32,666 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:55:32,669 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 654 transitions. [2021-04-28 22:55:32,674 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 218.0) internal successors, (654), 3 states have internal predecessors, (654), 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 22:55:32,683 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 271.0) internal successors, (1084), 4 states have internal predecessors, (1084), 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 22:55:32,685 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 271.0) internal successors, (1084), 4 states have internal predecessors, (1084), 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 22:55:32,687 INFO L185 Difference]: Start difference. First operand has 109 places, 104 transitions, 214 flow. Second operand 3 states and 654 transitions. [2021-04-28 22:55:32,688 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 108 places, 117 transitions, 338 flow [2021-04-28 22:55:32,692 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 106 places, 117 transitions, 336 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 22:55:32,695 INFO L241 Difference]: Finished difference. Result has 106 places, 32 transitions, 72 flow [2021-04-28 22:55:32,697 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=202, PETRI_DIFFERENCE_MINUEND_PLACES=104, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=99, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=97, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=72, PETRI_PLACES=106, PETRI_TRANSITIONS=32} [2021-04-28 22:55:32,699 INFO L343 CegarLoopForPetriNet]: 109 programPoint places, -3 predicate places. [2021-04-28 22:55:32,699 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:55:32,699 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 106 places, 32 transitions, 72 flow [2021-04-28 22:55:32,699 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 106 places, 32 transitions, 72 flow [2021-04-28 22:55:32,700 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 39 places, 32 transitions, 72 flow [2021-04-28 22:55:32,705 INFO L129 PetriNetUnfolder]: 0/32 cut-off events. [2021-04-28 22:55:32,705 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 22:55:32,706 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40 conditions, 32 events. 0/32 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 113 event pairs, 0 based on Foata normal form. 0/18 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-04-28 22:55:32,706 INFO L146 LiptonReduction]: Number of co-enabled transitions 538 [2021-04-28 22:55:32,789 INFO L158 LiptonReduction]: Checked pairs total: 514 [2021-04-28 22:55:32,789 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 22:55:32,790 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 91 [2021-04-28 22:55:32,791 INFO L480 AbstractCegarLoop]: Abstraction has has 39 places, 32 transitions, 72 flow [2021-04-28 22:55:32,792 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 200.66666666666666) internal successors, (602), 3 states have internal predecessors, (602), 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 22:55:32,792 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:55:32,792 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:55:32,793 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-28 22:55:32,793 INFO L428 AbstractCegarLoop]: === Iteration 2 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:55:32,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:55:32,793 INFO L82 PathProgramCache]: Analyzing trace with hash 959103138, now seen corresponding path program 1 times [2021-04-28 22:55:32,794 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:55:32,794 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233069100] [2021-04-28 22:55:32,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:55:32,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:55:32,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:55:32,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:55:32,917 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 22:55:32,918 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233069100] [2021-04-28 22:55:32,918 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:55:32,918 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 22:55:32,918 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021871873] [2021-04-28 22:55:32,919 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 22:55:32,919 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:55:32,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 22:55:32,920 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 22:55:32,925 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 192 out of 271 [2021-04-28 22:55:32,926 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 32 transitions, 72 flow. Second operand has 3 states, 3 states have (on average 192.66666666666666) internal successors, (578), 3 states have internal predecessors, (578), 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 22:55:32,926 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:55:32,926 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 192 of 271 [2021-04-28 22:55:32,926 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:55:32,946 INFO L129 PetriNetUnfolder]: 0/32 cut-off events. [2021-04-28 22:55:32,947 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 22:55:32,947 INFO L84 FinitePrefix]: Finished finitePrefix Result has 44 conditions, 32 events. 0/32 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 97 event pairs, 0 based on Foata normal form. 1/19 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-04-28 22:55:32,947 INFO L132 encePairwiseOnDemand]: 268/271 looper letters, 1 selfloop transitions, 2 changer transitions 10/32 dead transitions. [2021-04-28 22:55:32,947 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 32 transitions, 78 flow [2021-04-28 22:55:32,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 22:55:32,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 22:55:32,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 580 transitions. [2021-04-28 22:55:32,952 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7134071340713407 [2021-04-28 22:55:32,952 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 580 transitions. [2021-04-28 22:55:32,952 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 580 transitions. [2021-04-28 22:55:32,952 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:55:32,952 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 580 transitions. [2021-04-28 22:55:32,954 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 193.33333333333334) internal successors, (580), 3 states have internal predecessors, (580), 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 22:55:32,957 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 271.0) internal successors, (1084), 4 states have internal predecessors, (1084), 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 22:55:32,958 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 271.0) internal successors, (1084), 4 states have internal predecessors, (1084), 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 22:55:32,959 INFO L185 Difference]: Start difference. First operand has 39 places, 32 transitions, 72 flow. Second operand 3 states and 580 transitions. [2021-04-28 22:55:32,959 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 32 transitions, 78 flow [2021-04-28 22:55:32,959 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 32 transitions, 74 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 22:55:32,960 INFO L241 Difference]: Finished difference. Result has 40 places, 22 transitions, 56 flow [2021-04-28 22:55:32,960 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=68, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=56, PETRI_PLACES=40, PETRI_TRANSITIONS=22} [2021-04-28 22:55:32,961 INFO L343 CegarLoopForPetriNet]: 109 programPoint places, -69 predicate places. [2021-04-28 22:55:32,961 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:55:32,961 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 40 places, 22 transitions, 56 flow [2021-04-28 22:55:32,962 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 40 places, 22 transitions, 56 flow [2021-04-28 22:55:32,962 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 30 places, 22 transitions, 56 flow [2021-04-28 22:55:32,967 INFO L129 PetriNetUnfolder]: 0/22 cut-off events. [2021-04-28 22:55:32,968 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 22:55:32,968 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33 conditions, 22 events. 0/22 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 34 event pairs, 0 based on Foata normal form. 0/17 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-04-28 22:55:32,968 INFO L146 LiptonReduction]: Number of co-enabled transitions 224 [2021-04-28 22:55:33,231 INFO L158 LiptonReduction]: Checked pairs total: 291 [2021-04-28 22:55:33,231 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 22:55:33,231 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 270 [2021-04-28 22:55:33,233 INFO L480 AbstractCegarLoop]: Abstraction has has 30 places, 22 transitions, 56 flow [2021-04-28 22:55:33,234 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 192.66666666666666) internal successors, (578), 3 states have internal predecessors, (578), 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 22:55:33,234 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:55:33,234 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:55:33,234 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-28 22:55:33,239 INFO L428 AbstractCegarLoop]: === Iteration 3 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:55:33,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:55:33,240 INFO L82 PathProgramCache]: Analyzing trace with hash 1619329920, now seen corresponding path program 1 times [2021-04-28 22:55:33,240 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:55:33,241 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582773969] [2021-04-28 22:55:33,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:55:33,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:55:33,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:55:33,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:55:33,503 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 22:55:33,503 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582773969] [2021-04-28 22:55:33,503 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:55:33,504 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 22:55:33,504 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637563489] [2021-04-28 22:55:33,504 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 22:55:33,504 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:55:33,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 22:55:33,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 22:55:33,506 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 195 out of 271 [2021-04-28 22:55:33,507 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 30 places, 22 transitions, 56 flow. Second operand has 3 states, 3 states have (on average 195.66666666666666) internal successors, (587), 3 states have internal predecessors, (587), 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 22:55:33,507 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:55:33,508 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 195 of 271 [2021-04-28 22:55:33,508 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:55:33,533 INFO L129 PetriNetUnfolder]: 0/22 cut-off events. [2021-04-28 22:55:33,534 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-04-28 22:55:33,534 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37 conditions, 22 events. 0/22 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 35 event pairs, 0 based on Foata normal form. 1/18 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-04-28 22:55:33,534 INFO L132 encePairwiseOnDemand]: 268/271 looper letters, 1 selfloop transitions, 2 changer transitions 0/22 dead transitions. [2021-04-28 22:55:33,534 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 32 places, 22 transitions, 62 flow [2021-04-28 22:55:33,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 22:55:33,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 22:55:33,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 589 transitions. [2021-04-28 22:55:33,539 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7244772447724477 [2021-04-28 22:55:33,539 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 589 transitions. [2021-04-28 22:55:33,539 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 589 transitions. [2021-04-28 22:55:33,539 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:55:33,540 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 589 transitions. [2021-04-28 22:55:33,541 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 196.33333333333334) internal successors, (589), 3 states have internal predecessors, (589), 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 22:55:33,544 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 271.0) internal successors, (1084), 4 states have internal predecessors, (1084), 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 22:55:33,545 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 271.0) internal successors, (1084), 4 states have internal predecessors, (1084), 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 22:55:33,545 INFO L185 Difference]: Start difference. First operand has 30 places, 22 transitions, 56 flow. Second operand 3 states and 589 transitions. [2021-04-28 22:55:33,545 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 32 places, 22 transitions, 62 flow [2021-04-28 22:55:33,546 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 30 places, 22 transitions, 58 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 22:55:33,547 INFO L241 Difference]: Finished difference. Result has 31 places, 22 transitions, 60 flow [2021-04-28 22:55:33,547 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=52, PETRI_DIFFERENCE_MINUEND_PLACES=28, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=60, PETRI_PLACES=31, PETRI_TRANSITIONS=22} [2021-04-28 22:55:33,547 INFO L343 CegarLoopForPetriNet]: 109 programPoint places, -78 predicate places. [2021-04-28 22:55:33,548 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:55:33,548 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 31 places, 22 transitions, 60 flow [2021-04-28 22:55:33,550 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 31 places, 22 transitions, 60 flow [2021-04-28 22:55:33,550 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 31 places, 22 transitions, 60 flow [2021-04-28 22:55:33,556 INFO L129 PetriNetUnfolder]: 0/22 cut-off events. [2021-04-28 22:55:33,556 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-04-28 22:55:33,556 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36 conditions, 22 events. 0/22 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 34 event pairs, 0 based on Foata normal form. 0/17 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-04-28 22:55:33,557 INFO L146 LiptonReduction]: Number of co-enabled transitions 222 [2021-04-28 22:55:33,876 INFO L158 LiptonReduction]: Checked pairs total: 271 [2021-04-28 22:55:33,876 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 22:55:33,877 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 330 [2021-04-28 22:55:33,878 INFO L480 AbstractCegarLoop]: Abstraction has has 31 places, 22 transitions, 60 flow [2021-04-28 22:55:33,879 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 195.66666666666666) internal successors, (587), 3 states have internal predecessors, (587), 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 22:55:33,879 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:55:33,879 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:55:33,879 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-28 22:55:33,879 INFO L428 AbstractCegarLoop]: === Iteration 4 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:55:33,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:55:33,880 INFO L82 PathProgramCache]: Analyzing trace with hash 750347592, now seen corresponding path program 1 times [2021-04-28 22:55:33,880 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:55:33,880 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769490329] [2021-04-28 22:55:33,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:55:33,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:55:34,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:55:34,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 22:55:34,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:55:34,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 22:55:34,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:55:34,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-28 22:55:34,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:55:34,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-28 22:55:34,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:55:34,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-28 22:55:34,205 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 22:55:34,205 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769490329] [2021-04-28 22:55:34,205 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:55:34,206 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 22:55:34,206 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629522130] [2021-04-28 22:55:34,206 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 22:55:34,206 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:55:34,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 22:55:34,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-04-28 22:55:34,208 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 148 out of 271 [2021-04-28 22:55:34,210 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 22 transitions, 60 flow. Second operand has 6 states, 6 states have (on average 149.0) internal successors, (894), 6 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 22:55:34,210 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:55:34,210 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 148 of 271 [2021-04-28 22:55:34,210 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:55:34,397 INFO L129 PetriNetUnfolder]: 36/121 cut-off events. [2021-04-28 22:55:34,398 INFO L130 PetriNetUnfolder]: For 18/18 co-relation queries the response was YES. [2021-04-28 22:55:34,398 INFO L84 FinitePrefix]: Finished finitePrefix Result has 239 conditions, 121 events. 36/121 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 551 event pairs, 7 based on Foata normal form. 3/98 useless extension candidates. Maximal degree in co-relation 228. Up to 38 conditions per place. [2021-04-28 22:55:34,399 INFO L132 encePairwiseOnDemand]: 264/271 looper letters, 13 selfloop transitions, 9 changer transitions 0/35 dead transitions. [2021-04-28 22:55:34,399 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 35 transitions, 134 flow [2021-04-28 22:55:34,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-28 22:55:34,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-04-28 22:55:34,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 911 transitions. [2021-04-28 22:55:34,404 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.560270602706027 [2021-04-28 22:55:34,405 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 911 transitions. [2021-04-28 22:55:34,405 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 911 transitions. [2021-04-28 22:55:34,405 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:55:34,405 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 911 transitions. [2021-04-28 22:55:34,408 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 151.83333333333334) internal successors, (911), 6 states have internal predecessors, (911), 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 22:55:34,413 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 271.0) internal successors, (1897), 7 states have internal predecessors, (1897), 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 22:55:34,414 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 271.0) internal successors, (1897), 7 states have internal predecessors, (1897), 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 22:55:34,415 INFO L185 Difference]: Start difference. First operand has 31 places, 22 transitions, 60 flow. Second operand 6 states and 911 transitions. [2021-04-28 22:55:34,415 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 35 transitions, 134 flow [2021-04-28 22:55:34,416 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 35 transitions, 123 flow, removed 1 selfloop flow, removed 3 redundant places. [2021-04-28 22:55:34,417 INFO L241 Difference]: Finished difference. Result has 36 places, 29 transitions, 107 flow [2021-04-28 22:55:34,417 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=52, PETRI_DIFFERENCE_MINUEND_PLACES=28, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=107, PETRI_PLACES=36, PETRI_TRANSITIONS=29} [2021-04-28 22:55:34,417 INFO L343 CegarLoopForPetriNet]: 109 programPoint places, -73 predicate places. [2021-04-28 22:55:34,418 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:55:34,418 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 36 places, 29 transitions, 107 flow [2021-04-28 22:55:34,418 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 36 places, 29 transitions, 107 flow [2021-04-28 22:55:34,418 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 36 places, 29 transitions, 107 flow [2021-04-28 22:55:34,428 INFO L129 PetriNetUnfolder]: 4/44 cut-off events. [2021-04-28 22:55:34,429 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-04-28 22:55:34,429 INFO L84 FinitePrefix]: Finished finitePrefix Result has 90 conditions, 44 events. 4/44 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 134 event pairs, 0 based on Foata normal form. 0/33 useless extension candidates. Maximal degree in co-relation 79. Up to 8 conditions per place. [2021-04-28 22:55:34,430 INFO L146 LiptonReduction]: Number of co-enabled transitions 258 [2021-04-28 22:55:34,971 INFO L158 LiptonReduction]: Checked pairs total: 162 [2021-04-28 22:55:34,972 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 22:55:34,972 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 555 [2021-04-28 22:55:34,974 INFO L480 AbstractCegarLoop]: Abstraction has has 36 places, 29 transitions, 107 flow [2021-04-28 22:55:34,975 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 149.0) internal successors, (894), 6 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 22:55:34,975 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:55:34,975 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:55:34,975 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-28 22:55:34,975 INFO L428 AbstractCegarLoop]: === Iteration 5 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:55:34,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:55:34,976 INFO L82 PathProgramCache]: Analyzing trace with hash 1397821919, now seen corresponding path program 1 times [2021-04-28 22:55:34,976 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:55:34,976 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106161546] [2021-04-28 22:55:34,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:55:35,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:55:35,220 INFO L142 QuantifierPusher]: treesize reduction 30, result has 42.3 percent of original size [2021-04-28 22:55:35,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-28 22:55:35,259 INFO L142 QuantifierPusher]: treesize reduction 55, result has 59.6 percent of original size [2021-04-28 22:55:35,266 INFO L147 QuantifierPusher]: treesize reduction 7, result has 91.4 percent of original size 74 [2021-04-28 22:55:35,341 INFO L142 QuantifierPusher]: treesize reduction 38, result has 62.0 percent of original size [2021-04-28 22:55:35,344 INFO L147 QuantifierPusher]: treesize reduction 7, result has 88.7 percent of original size 55 [2021-04-28 22:55:35,367 INFO L142 QuantifierPusher]: treesize reduction 34, result has 85.8 percent of original size [2021-04-28 22:55:35,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 205 [2021-04-28 22:55:35,548 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 20 [2021-04-28 22:55:35,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:55:35,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-28 22:55:35,579 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 22:55:35,579 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106161546] [2021-04-28 22:55:35,579 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:55:35,579 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 22:55:35,580 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066670857] [2021-04-28 22:55:35,580 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 22:55:35,580 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:55:35,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 22:55:35,581 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-04-28 22:55:35,583 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 137 out of 271 [2021-04-28 22:55:35,584 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 29 transitions, 107 flow. Second operand has 6 states, 6 states have (on average 138.16666666666666) internal successors, (829), 6 states have internal predecessors, (829), 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 22:55:35,584 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:55:35,585 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 137 of 271 [2021-04-28 22:55:35,585 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:55:35,942 INFO L129 PetriNetUnfolder]: 34/124 cut-off events. [2021-04-28 22:55:35,943 INFO L130 PetriNetUnfolder]: For 33/33 co-relation queries the response was YES. [2021-04-28 22:55:35,948 INFO L84 FinitePrefix]: Finished finitePrefix Result has 297 conditions, 124 events. 34/124 cut-off events. For 33/33 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 587 event pairs, 2 based on Foata normal form. 4/104 useless extension candidates. Maximal degree in co-relation 284. Up to 38 conditions per place. [2021-04-28 22:55:35,949 INFO L132 encePairwiseOnDemand]: 265/271 looper letters, 10 selfloop transitions, 9 changer transitions 7/39 dead transitions. [2021-04-28 22:55:35,949 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 39 transitions, 200 flow [2021-04-28 22:55:35,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-28 22:55:35,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-04-28 22:55:35,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 844 transitions. [2021-04-28 22:55:35,955 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5190651906519065 [2021-04-28 22:55:35,955 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 844 transitions. [2021-04-28 22:55:35,955 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 844 transitions. [2021-04-28 22:55:35,955 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:55:35,956 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 844 transitions. [2021-04-28 22:55:35,961 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 140.66666666666666) internal successors, (844), 6 states have internal predecessors, (844), 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 22:55:35,965 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 271.0) internal successors, (1897), 7 states have internal predecessors, (1897), 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 22:55:35,967 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 271.0) internal successors, (1897), 7 states have internal predecessors, (1897), 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 22:55:35,967 INFO L185 Difference]: Start difference. First operand has 36 places, 29 transitions, 107 flow. Second operand 6 states and 844 transitions. [2021-04-28 22:55:35,967 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 39 transitions, 200 flow [2021-04-28 22:55:35,969 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 39 transitions, 199 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 22:55:35,970 INFO L241 Difference]: Finished difference. Result has 42 places, 27 transitions, 128 flow [2021-04-28 22:55:35,970 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=106, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=128, PETRI_PLACES=42, PETRI_TRANSITIONS=27} [2021-04-28 22:55:35,970 INFO L343 CegarLoopForPetriNet]: 109 programPoint places, -67 predicate places. [2021-04-28 22:55:35,970 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:55:35,970 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 42 places, 27 transitions, 128 flow [2021-04-28 22:55:35,971 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 42 places, 27 transitions, 128 flow [2021-04-28 22:55:35,971 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 42 places, 27 transitions, 128 flow [2021-04-28 22:55:35,980 INFO L129 PetriNetUnfolder]: 4/41 cut-off events. [2021-04-28 22:55:35,980 INFO L130 PetriNetUnfolder]: For 24/24 co-relation queries the response was YES. [2021-04-28 22:55:35,981 INFO L84 FinitePrefix]: Finished finitePrefix Result has 99 conditions, 41 events. 4/41 cut-off events. For 24/24 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 80 event pairs, 1 based on Foata normal form. 0/31 useless extension candidates. Maximal degree in co-relation 85. Up to 8 conditions per place. [2021-04-28 22:55:35,981 INFO L146 LiptonReduction]: Number of co-enabled transitions 178 [2021-04-28 22:55:36,783 INFO L158 LiptonReduction]: Checked pairs total: 106 [2021-04-28 22:55:36,783 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 22:55:36,783 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 813 [2021-04-28 22:55:36,784 INFO L480 AbstractCegarLoop]: Abstraction has has 42 places, 27 transitions, 128 flow [2021-04-28 22:55:36,785 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 138.16666666666666) internal successors, (829), 6 states have internal predecessors, (829), 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 22:55:36,785 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:55:36,785 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:55:36,785 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-28 22:55:36,785 INFO L428 AbstractCegarLoop]: === Iteration 6 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:55:36,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:55:36,786 INFO L82 PathProgramCache]: Analyzing trace with hash 1354355101, now seen corresponding path program 1 times [2021-04-28 22:55:36,786 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:55:36,786 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297287004] [2021-04-28 22:55:36,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:55:36,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:55:36,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:55:36,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 22:55:36,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:55:36,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:55:36,876 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 22:55:36,877 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297287004] [2021-04-28 22:55:36,877 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:55:36,877 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 22:55:36,877 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452365791] [2021-04-28 22:55:36,878 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 22:55:36,878 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:55:36,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 22:55:36,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 22:55:36,880 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 205 out of 271 [2021-04-28 22:55:36,881 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 27 transitions, 128 flow. Second operand has 3 states, 3 states have (on average 206.33333333333334) internal successors, (619), 3 states have internal predecessors, (619), 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 22:55:36,881 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:55:36,881 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 205 of 271 [2021-04-28 22:55:36,881 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:55:36,912 INFO L129 PetriNetUnfolder]: 5/53 cut-off events. [2021-04-28 22:55:36,912 INFO L130 PetriNetUnfolder]: For 64/65 co-relation queries the response was YES. [2021-04-28 22:55:36,913 INFO L84 FinitePrefix]: Finished finitePrefix Result has 140 conditions, 53 events. 5/53 cut-off events. For 64/65 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 171 event pairs, 0 based on Foata normal form. 3/44 useless extension candidates. Maximal degree in co-relation 124. Up to 10 conditions per place. [2021-04-28 22:55:36,913 INFO L132 encePairwiseOnDemand]: 268/271 looper letters, 2 selfloop transitions, 2 changer transitions 5/28 dead transitions. [2021-04-28 22:55:36,913 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 28 transitions, 140 flow [2021-04-28 22:55:36,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 22:55:36,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 22:55:36,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 621 transitions. [2021-04-28 22:55:36,918 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7638376383763837 [2021-04-28 22:55:36,918 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 621 transitions. [2021-04-28 22:55:36,918 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 621 transitions. [2021-04-28 22:55:36,919 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:55:36,919 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 621 transitions. [2021-04-28 22:55:36,921 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 207.0) internal successors, (621), 3 states have internal predecessors, (621), 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 22:55:36,923 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 271.0) internal successors, (1084), 4 states have internal predecessors, (1084), 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 22:55:36,924 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 271.0) internal successors, (1084), 4 states have internal predecessors, (1084), 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 22:55:36,924 INFO L185 Difference]: Start difference. First operand has 42 places, 27 transitions, 128 flow. Second operand 3 states and 621 transitions. [2021-04-28 22:55:36,924 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 28 transitions, 140 flow [2021-04-28 22:55:36,925 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 28 transitions, 121 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-04-28 22:55:36,926 INFO L241 Difference]: Finished difference. Result has 40 places, 23 transitions, 98 flow [2021-04-28 22:55:36,927 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=109, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=98, PETRI_PLACES=40, PETRI_TRANSITIONS=23} [2021-04-28 22:55:36,927 INFO L343 CegarLoopForPetriNet]: 109 programPoint places, -69 predicate places. [2021-04-28 22:55:36,927 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:55:36,927 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 40 places, 23 transitions, 98 flow [2021-04-28 22:55:36,927 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 40 places, 23 transitions, 98 flow [2021-04-28 22:55:36,928 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 38 places, 23 transitions, 98 flow [2021-04-28 22:55:36,936 INFO L129 PetriNetUnfolder]: 2/31 cut-off events. [2021-04-28 22:55:36,936 INFO L130 PetriNetUnfolder]: For 22/22 co-relation queries the response was YES. [2021-04-28 22:55:36,936 INFO L84 FinitePrefix]: Finished finitePrefix Result has 74 conditions, 31 events. 2/31 cut-off events. For 22/22 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 60 event pairs, 1 based on Foata normal form. 0/23 useless extension candidates. Maximal degree in co-relation 62. Up to 7 conditions per place. [2021-04-28 22:55:36,937 INFO L146 LiptonReduction]: Number of co-enabled transitions 114 [2021-04-28 22:55:44,106 WARN L205 SmtUtils]: Spent 6.99 s on a formula simplification. DAG size of input: 396 DAG size of output: 324 [2021-04-28 22:55:46,303 WARN L205 SmtUtils]: Spent 2.18 s on a formula simplification that was a NOOP. DAG size: 309 [2021-04-28 22:55:57,370 WARN L205 SmtUtils]: Spent 11.06 s on a formula simplification. DAG size of input: 564 DAG size of output: 483 [2021-04-28 22:56:02,656 WARN L205 SmtUtils]: Spent 5.28 s on a formula simplification that was a NOOP. DAG size: 467 [2021-04-28 22:56:03,126 INFO L158 LiptonReduction]: Checked pairs total: 98 [2021-04-28 22:56:03,126 INFO L160 LiptonReduction]: Total number of compositions: 1 [2021-04-28 22:56:03,126 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 26199 [2021-04-28 22:56:03,127 INFO L480 AbstractCegarLoop]: Abstraction has has 38 places, 23 transitions, 98 flow [2021-04-28 22:56:03,127 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 206.33333333333334) internal successors, (619), 3 states have internal predecessors, (619), 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 22:56:03,127 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:56:03,128 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:56:03,128 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-28 22:56:03,128 INFO L428 AbstractCegarLoop]: === Iteration 7 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:56:03,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:56:03,128 INFO L82 PathProgramCache]: Analyzing trace with hash 1483347943, now seen corresponding path program 2 times [2021-04-28 22:56:03,128 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:56:03,129 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261585567] [2021-04-28 22:56:03,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:56:03,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:56:03,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:56:03,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:56:03,255 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 22:56:03,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 22:56:03,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:56:03,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 22:56:03,285 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 22:56:03,285 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261585567] [2021-04-28 22:56:03,286 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:56:03,286 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 22:56:03,286 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769626905] [2021-04-28 22:56:03,286 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 22:56:03,286 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:56:03,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 22:56:03,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 22:56:03,288 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 184 out of 272 [2021-04-28 22:56:03,289 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 23 transitions, 98 flow. Second operand has 4 states, 4 states have (on average 184.75) internal successors, (739), 4 states have internal predecessors, (739), 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 22:56:03,289 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:56:03,289 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 184 of 272 [2021-04-28 22:56:03,290 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:56:03,441 INFO L129 PetriNetUnfolder]: 58/162 cut-off events. [2021-04-28 22:56:03,441 INFO L130 PetriNetUnfolder]: For 183/183 co-relation queries the response was YES. [2021-04-28 22:56:03,442 INFO L84 FinitePrefix]: Finished finitePrefix Result has 416 conditions, 162 events. 58/162 cut-off events. For 183/183 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 836 event pairs, 18 based on Foata normal form. 19/121 useless extension candidates. Maximal degree in co-relation 402. Up to 100 conditions per place. [2021-04-28 22:56:03,443 INFO L132 encePairwiseOnDemand]: 263/272 looper letters, 8 selfloop transitions, 11 changer transitions 10/42 dead transitions. [2021-04-28 22:56:03,443 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 42 transitions, 192 flow [2021-04-28 22:56:03,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 22:56:03,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 22:56:03,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 950 transitions. [2021-04-28 22:56:03,450 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6985294117647058 [2021-04-28 22:56:03,450 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 950 transitions. [2021-04-28 22:56:03,450 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 950 transitions. [2021-04-28 22:56:03,451 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:56:03,451 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 950 transitions. [2021-04-28 22:56:03,454 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 190.0) internal successors, (950), 5 states have internal predecessors, (950), 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 22:56:03,457 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 272.0) internal successors, (1632), 6 states have internal predecessors, (1632), 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 22:56:03,458 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 272.0) internal successors, (1632), 6 states have internal predecessors, (1632), 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 22:56:03,458 INFO L185 Difference]: Start difference. First operand has 38 places, 23 transitions, 98 flow. Second operand 5 states and 950 transitions. [2021-04-28 22:56:03,458 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 42 transitions, 192 flow [2021-04-28 22:56:03,460 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 42 transitions, 172 flow, removed 3 selfloop flow, removed 6 redundant places. [2021-04-28 22:56:03,461 INFO L241 Difference]: Finished difference. Result has 39 places, 32 transitions, 157 flow [2021-04-28 22:56:03,462 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=272, PETRI_DIFFERENCE_MINUEND_FLOW=78, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=23, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=157, PETRI_PLACES=39, PETRI_TRANSITIONS=32} [2021-04-28 22:56:03,462 INFO L343 CegarLoopForPetriNet]: 109 programPoint places, -70 predicate places. [2021-04-28 22:56:03,462 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:56:03,462 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 39 places, 32 transitions, 157 flow [2021-04-28 22:56:03,462 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 39 places, 32 transitions, 157 flow [2021-04-28 22:56:03,463 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 38 places, 32 transitions, 157 flow [2021-04-28 22:56:03,484 INFO L129 PetriNetUnfolder]: 28/125 cut-off events. [2021-04-28 22:56:03,484 INFO L130 PetriNetUnfolder]: For 51/53 co-relation queries the response was YES. [2021-04-28 22:56:03,485 INFO L84 FinitePrefix]: Finished finitePrefix Result has 353 conditions, 125 events. 28/125 cut-off events. For 51/53 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 743 event pairs, 18 based on Foata normal form. 1/79 useless extension candidates. Maximal degree in co-relation 341. Up to 67 conditions per place. [2021-04-28 22:56:03,486 INFO L146 LiptonReduction]: Number of co-enabled transitions 76 [2021-04-28 22:56:03,911 INFO L158 LiptonReduction]: Checked pairs total: 4 [2021-04-28 22:56:03,912 INFO L160 LiptonReduction]: Total number of compositions: 2 [2021-04-28 22:56:03,912 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 450 [2021-04-28 22:56:03,913 INFO L480 AbstractCegarLoop]: Abstraction has has 38 places, 32 transitions, 160 flow [2021-04-28 22:56:03,913 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 184.75) internal successors, (739), 4 states have internal predecessors, (739), 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 22:56:03,913 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:56:03,913 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:56:03,914 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-04-28 22:56:03,914 INFO L428 AbstractCegarLoop]: === Iteration 8 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:56:03,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:56:03,914 INFO L82 PathProgramCache]: Analyzing trace with hash -1443138803, now seen corresponding path program 1 times [2021-04-28 22:56:03,914 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:56:03,914 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263520548] [2021-04-28 22:56:03,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:56:03,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:56:04,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:56:04,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:56:04,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:56:04,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:56:04,034 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 22:56:04,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 22:56:04,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:56:04,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 22:56:04,070 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 22:56:04,070 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263520548] [2021-04-28 22:56:04,070 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:56:04,071 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 22:56:04,071 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203423772] [2021-04-28 22:56:04,071 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 22:56:04,071 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:56:04,072 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 22:56:04,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 22:56:04,073 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 274 [2021-04-28 22:56:04,075 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 32 transitions, 160 flow. Second operand has 5 states, 5 states have (on average 186.8) internal successors, (934), 5 states have internal predecessors, (934), 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 22:56:04,075 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:56:04,075 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 274 [2021-04-28 22:56:04,075 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:56:04,305 INFO L129 PetriNetUnfolder]: 19/110 cut-off events. [2021-04-28 22:56:04,305 INFO L130 PetriNetUnfolder]: For 92/100 co-relation queries the response was YES. [2021-04-28 22:56:04,305 INFO L84 FinitePrefix]: Finished finitePrefix Result has 384 conditions, 110 events. 19/110 cut-off events. For 92/100 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 575 event pairs, 0 based on Foata normal form. 25/94 useless extension candidates. Maximal degree in co-relation 370. Up to 56 conditions per place. [2021-04-28 22:56:04,306 INFO L132 encePairwiseOnDemand]: 265/274 looper letters, 2 selfloop transitions, 18 changer transitions 8/39 dead transitions. [2021-04-28 22:56:04,306 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 39 transitions, 246 flow [2021-04-28 22:56:04,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-28 22:56:04,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-28 22:56:04,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1330 transitions. [2021-04-28 22:56:04,314 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6934306569343066 [2021-04-28 22:56:04,314 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1330 transitions. [2021-04-28 22:56:04,314 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1330 transitions. [2021-04-28 22:56:04,316 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:56:04,316 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1330 transitions. [2021-04-28 22:56:04,320 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 190.0) internal successors, (1330), 7 states have internal predecessors, (1330), 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 22:56:04,326 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 274.0) internal successors, (2192), 8 states have internal predecessors, (2192), 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 22:56:04,327 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 274.0) internal successors, (2192), 8 states have internal predecessors, (2192), 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 22:56:04,327 INFO L185 Difference]: Start difference. First operand has 38 places, 32 transitions, 160 flow. Second operand 7 states and 1330 transitions. [2021-04-28 22:56:04,327 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 39 transitions, 246 flow [2021-04-28 22:56:04,329 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 39 transitions, 236 flow, removed 2 selfloop flow, removed 1 redundant places. [2021-04-28 22:56:04,330 INFO L241 Difference]: Finished difference. Result has 46 places, 31 transitions, 207 flow [2021-04-28 22:56:04,330 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=274, PETRI_DIFFERENCE_MINUEND_FLOW=150, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=207, PETRI_PLACES=46, PETRI_TRANSITIONS=31} [2021-04-28 22:56:04,330 INFO L343 CegarLoopForPetriNet]: 109 programPoint places, -63 predicate places. [2021-04-28 22:56:04,331 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:56:04,331 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 46 places, 31 transitions, 207 flow [2021-04-28 22:56:04,331 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 46 places, 31 transitions, 207 flow [2021-04-28 22:56:04,332 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 43 places, 31 transitions, 207 flow [2021-04-28 22:56:04,347 INFO L129 PetriNetUnfolder]: 10/78 cut-off events. [2021-04-28 22:56:04,347 INFO L130 PetriNetUnfolder]: For 101/108 co-relation queries the response was YES. [2021-04-28 22:56:04,348 INFO L84 FinitePrefix]: Finished finitePrefix Result has 287 conditions, 78 events. 10/78 cut-off events. For 101/108 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 367 event pairs, 0 based on Foata normal form. 0/56 useless extension candidates. Maximal degree in co-relation 271. Up to 38 conditions per place. [2021-04-28 22:56:04,349 INFO L146 LiptonReduction]: Number of co-enabled transitions 40 [2021-04-28 22:56:09,955 WARN L205 SmtUtils]: Spent 5.60 s on a formula simplification. DAG size of input: 320 DAG size of output: 319 [2021-04-28 22:56:12,801 WARN L205 SmtUtils]: Spent 2.84 s on a formula simplification that was a NOOP. DAG size: 317 [2021-04-28 22:56:18,912 WARN L205 SmtUtils]: Spent 6.11 s on a formula simplification that was a NOOP. DAG size: 478 [2021-04-28 22:56:25,102 WARN L205 SmtUtils]: Spent 6.18 s on a formula simplification that was a NOOP. DAG size: 476 [2021-04-28 22:56:25,111 INFO L158 LiptonReduction]: Checked pairs total: 1 [2021-04-28 22:56:25,111 INFO L160 LiptonReduction]: Total number of compositions: 1 [2021-04-28 22:56:25,111 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 20780 [2021-04-28 22:56:25,112 INFO L480 AbstractCegarLoop]: Abstraction has has 43 places, 31 transitions, 209 flow [2021-04-28 22:56:25,113 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 186.8) internal successors, (934), 5 states have internal predecessors, (934), 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 22:56:25,113 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:56:25,113 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:56:25,113 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-04-28 22:56:25,113 INFO L428 AbstractCegarLoop]: === Iteration 9 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:56:25,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:56:25,114 INFO L82 PathProgramCache]: Analyzing trace with hash 470771244, now seen corresponding path program 1 times [2021-04-28 22:56:25,114 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:56:25,114 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659891432] [2021-04-28 22:56:25,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:56:25,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 22:56:25,193 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 22:56:25,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 22:56:25,307 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 22:56:25,350 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-04-28 22:56:25,351 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-04-28 22:56:25,351 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-04-28 22:56:25,434 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.04 10:56:25 BasicIcfg [2021-04-28 22:56:25,434 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-04-28 22:56:25,435 INFO L168 Benchmark]: Toolchain (without parser) took 147517.44 ms. Allocated memory was 306.2 MB in the beginning and 729.8 MB in the end (delta: 423.6 MB). Free memory was 280.9 MB in the beginning and 362.6 MB in the end (delta: -81.7 MB). Peak memory consumption was 344.8 MB. Max. memory is 16.0 GB. [2021-04-28 22:56:25,435 INFO L168 Benchmark]: CDTParser took 0.75 ms. Allocated memory is still 306.2 MB. Free memory is still 275.9 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-04-28 22:56:25,435 INFO L168 Benchmark]: CACSL2BoogieTranslator took 940.35 ms. Allocated memory is still 306.2 MB. Free memory was 277.7 MB in the beginning and 281.2 MB in the end (delta: -3.5 MB). Peak memory consumption was 36.2 MB. Max. memory is 16.0 GB. [2021-04-28 22:56:25,436 INFO L168 Benchmark]: Boogie Procedure Inliner took 114.97 ms. Allocated memory is still 306.2 MB. Free memory was 281.2 MB in the beginning and 278.0 MB in the end (delta: 3.1 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-04-28 22:56:25,436 INFO L168 Benchmark]: Boogie Preprocessor took 99.08 ms. Allocated memory is still 306.2 MB. Free memory was 278.0 MB in the beginning and 274.9 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-04-28 22:56:25,436 INFO L168 Benchmark]: RCFGBuilder took 3902.07 ms. Allocated memory was 306.2 MB in the beginning and 369.1 MB in the end (delta: 62.9 MB). Free memory was 274.9 MB in the beginning and 303.4 MB in the end (delta: -28.5 MB). Peak memory consumption was 202.2 MB. Max. memory is 16.0 GB. [2021-04-28 22:56:25,437 INFO L168 Benchmark]: TraceAbstraction took 142411.56 ms. Allocated memory was 369.1 MB in the beginning and 729.8 MB in the end (delta: 360.7 MB). Free memory was 303.4 MB in the beginning and 362.6 MB in the end (delta: -59.3 MB). Peak memory consumption was 301.5 MB. Max. memory is 16.0 GB. [2021-04-28 22:56:25,438 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.75 ms. Allocated memory is still 306.2 MB. Free memory is still 275.9 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 940.35 ms. Allocated memory is still 306.2 MB. Free memory was 277.7 MB in the beginning and 281.2 MB in the end (delta: -3.5 MB). Peak memory consumption was 36.2 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 114.97 ms. Allocated memory is still 306.2 MB. Free memory was 281.2 MB in the beginning and 278.0 MB in the end (delta: 3.1 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 99.08 ms. Allocated memory is still 306.2 MB. Free memory was 278.0 MB in the beginning and 274.9 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * RCFGBuilder took 3902.07 ms. Allocated memory was 306.2 MB in the beginning and 369.1 MB in the end (delta: 62.9 MB). Free memory was 274.9 MB in the beginning and 303.4 MB in the end (delta: -28.5 MB). Peak memory consumption was 202.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 142411.56 ms. Allocated memory was 369.1 MB in the beginning and 729.8 MB in the end (delta: 360.7 MB). Free memory was 303.4 MB in the beginning and 362.6 MB in the end (delta: -59.3 MB). Peak memory consumption was 301.5 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 88340.1ms, 86 PlacesBefore, 109 PlacesAfterwards, 81 TransitionsBefore, 104 TransitionsAfterwards, 1058 CoEnabledTransitionPairs, 8 FixpointIterations, 119 TrivialSequentialCompositions, 68 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 188 TotalNumberOfCompositions, 9675 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2582, positive: 2367, positive conditional: 2367, positive unconditional: 0, negative: 215, negative conditional: 215, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1226, positive: 1181, positive conditional: 0, positive unconditional: 1181, negative: 45, negative conditional: 0, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1226, positive: 1181, positive conditional: 0, positive unconditional: 1181, negative: 45, negative conditional: 0, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1226, positive: 1162, positive conditional: 0, positive unconditional: 1162, negative: 64, negative conditional: 0, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 64, positive: 19, positive conditional: 0, positive unconditional: 19, negative: 45, negative conditional: 0, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1263, positive: 83, positive conditional: 0, positive unconditional: 83, negative: 1180, negative conditional: 0, negative unconditional: 1180, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2582, positive: 1186, positive conditional: 1186, positive unconditional: 0, negative: 170, negative conditional: 170, negative unconditional: 0, unknown: 1226, unknown conditional: 1226, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1226, Positive cache size: 1181, Positive conditional cache size: 1181, Positive unconditional cache size: 0, Negative cache size: 45, Negative conditional cache size: 45, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 90.2ms, 106 PlacesBefore, 39 PlacesAfterwards, 32 TransitionsBefore, 32 TransitionsAfterwards, 538 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 514 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 62, positive: 36, positive conditional: 36, positive unconditional: 0, negative: 26, negative conditional: 26, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 13, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 13, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 13, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 79, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 79, negative conditional: 0, negative unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 62, positive: 25, positive conditional: 25, positive unconditional: 0, negative: 24, negative conditional: 24, negative unconditional: 0, unknown: 13, unknown conditional: 13, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1239, Positive cache size: 1192, Positive conditional cache size: 1192, Positive unconditional cache size: 0, Negative cache size: 47, Negative conditional cache size: 47, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 269.6ms, 40 PlacesBefore, 30 PlacesAfterwards, 22 TransitionsBefore, 22 TransitionsAfterwards, 224 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 291 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 94, positive: 69, positive conditional: 69, positive unconditional: 0, negative: 25, negative conditional: 25, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 28, positive: 24, positive conditional: 3, positive unconditional: 21, negative: 4, negative conditional: 1, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 28, positive: 24, positive conditional: 3, positive unconditional: 21, negative: 4, negative conditional: 1, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 28, positive: 18, positive conditional: 0, positive unconditional: 18, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 10, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 4, negative conditional: 1, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 257, positive: 34, positive conditional: 0, positive unconditional: 34, negative: 223, negative conditional: 80, negative unconditional: 143, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 94, positive: 45, positive conditional: 45, positive unconditional: 0, negative: 21, negative conditional: 21, negative unconditional: 0, unknown: 28, unknown conditional: 28, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1267, Positive cache size: 1216, Positive conditional cache size: 1216, Positive unconditional cache size: 0, Negative cache size: 51, Negative conditional cache size: 51, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 326.9ms, 31 PlacesBefore, 31 PlacesAfterwards, 22 TransitionsBefore, 22 TransitionsAfterwards, 222 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 271 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 85, positive: 62, positive conditional: 62, positive unconditional: 0, negative: 23, negative conditional: 23, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 17, positive: 12, positive conditional: 6, positive unconditional: 6, negative: 5, negative conditional: 5, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 17, positive: 12, positive conditional: 6, positive unconditional: 6, negative: 5, negative conditional: 5, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 17, positive: 12, positive conditional: 0, positive unconditional: 12, 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: 5, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 316, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 316, negative conditional: 316, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 85, positive: 50, positive conditional: 50, positive unconditional: 0, negative: 18, negative conditional: 18, negative unconditional: 0, unknown: 17, unknown conditional: 17, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1284, Positive cache size: 1228, Positive conditional cache size: 1228, Positive unconditional cache size: 0, Negative cache size: 56, Negative conditional cache size: 56, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 553.8ms, 36 PlacesBefore, 36 PlacesAfterwards, 29 TransitionsBefore, 29 TransitionsAfterwards, 258 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 162 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 43, positive: 32, positive conditional: 32, positive unconditional: 0, negative: 11, negative conditional: 11, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 17, positive: 13, positive conditional: 6, positive unconditional: 7, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 17, positive: 13, positive conditional: 6, positive unconditional: 7, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 17, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 11, positive: 7, positive conditional: 6, positive unconditional: 1, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 538, positive: 327, positive conditional: 306, positive unconditional: 20, negative: 212, negative conditional: 0, negative unconditional: 212, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 43, positive: 19, positive conditional: 19, positive unconditional: 0, negative: 7, negative conditional: 7, negative unconditional: 0, unknown: 17, unknown conditional: 17, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1301, Positive cache size: 1241, Positive conditional cache size: 1241, Positive unconditional cache size: 0, Negative cache size: 60, Negative conditional cache size: 60, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 812.3ms, 42 PlacesBefore, 42 PlacesAfterwards, 27 TransitionsBefore, 27 TransitionsAfterwards, 178 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 106 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 71, positive: 63, positive conditional: 63, positive unconditional: 0, negative: 8, negative conditional: 8, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 42, positive: 40, positive conditional: 24, positive unconditional: 16, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 42, positive: 40, positive conditional: 24, positive unconditional: 16, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 42, positive: 24, positive conditional: 0, positive unconditional: 24, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 18, positive: 16, positive conditional: 16, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 796, positive: 725, positive conditional: 725, positive unconditional: 0, negative: 70, negative conditional: 0, negative unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 71, positive: 23, positive conditional: 23, positive unconditional: 0, negative: 6, negative conditional: 6, negative unconditional: 0, unknown: 42, unknown conditional: 42, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1343, Positive cache size: 1281, Positive conditional cache size: 1281, Positive unconditional cache size: 0, Negative cache size: 62, Negative conditional cache size: 62, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 26198.4ms, 40 PlacesBefore, 38 PlacesAfterwards, 23 TransitionsBefore, 23 TransitionsAfterwards, 114 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 98 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 60, positive: 54, positive conditional: 54, positive unconditional: 0, negative: 6, negative conditional: 6, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15, positive: 15, positive conditional: 13, positive unconditional: 2, 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: 15, positive: 15, positive conditional: 13, positive unconditional: 2, 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: 15, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 8, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 626, positive: 626, positive conditional: 626, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 60, positive: 39, positive conditional: 39, positive unconditional: 0, negative: 6, negative conditional: 6, negative unconditional: 0, unknown: 15, unknown conditional: 15, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1358, Positive cache size: 1296, Positive conditional cache size: 1296, Positive unconditional cache size: 0, Negative cache size: 62, Negative conditional cache size: 62, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 449.3ms, 39 PlacesBefore, 38 PlacesAfterwards, 32 TransitionsBefore, 32 TransitionsAfterwards, 76 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 4 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 2, positive unconditional: 2, 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: 4, positive: 4, positive conditional: 2, positive unconditional: 2, 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: 4, positive: 4, positive conditional: 0, positive unconditional: 4, 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: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1362, Positive cache size: 1300, Positive conditional cache size: 1300, Positive unconditional cache size: 0, Negative cache size: 62, Negative conditional cache size: 62, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 20780.0ms, 46 PlacesBefore, 43 PlacesAfterwards, 31 TransitionsBefore, 31 TransitionsAfterwards, 40 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 1 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, 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: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1363, Positive cache size: 1301, Positive conditional cache size: 1301, Positive unconditional cache size: 0, Negative cache size: 62, Negative conditional cache size: 62, 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; [L712] 0 int __unbuffered_p1_EBX = 0; [L713] 0 _Bool main$tmp_guard0; [L714] 0 _Bool main$tmp_guard1; [L716] 0 int x = 0; [L718] 0 int y = 0; [L719] 0 _Bool y$flush_delayed; [L720] 0 int y$mem_tmp; [L721] 0 _Bool y$r_buff0_thd0; [L722] 0 _Bool y$r_buff0_thd1; [L723] 0 _Bool y$r_buff0_thd2; [L724] 0 _Bool y$r_buff1_thd0; [L725] 0 _Bool y$r_buff1_thd1; [L726] 0 _Bool y$r_buff1_thd2; [L727] 0 _Bool y$read_delayed; [L728] 0 int *y$read_delayed_var; [L729] 0 int y$w_buff0; [L730] 0 _Bool y$w_buff0_used; [L731] 0 int y$w_buff1; [L732] 0 _Bool y$w_buff1_used; [L733] 0 _Bool weak$$choice0; [L734] 0 _Bool weak$$choice2; [L826] 0 pthread_t t1589; [L827] FCALL, FORK 0 pthread_create(&t1589, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=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] [L828] 0 pthread_t t1590; [L829] FCALL, FORK 0 pthread_create(&t1590, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L738] 1 y$w_buff1 = y$w_buff0 [L739] 1 y$w_buff0 = 2 [L740] 1 y$w_buff1_used = y$w_buff0_used [L741] 1 y$w_buff0_used = (_Bool)1 [L18] COND FALSE 1 !(!expression) [L743] 1 y$r_buff1_thd0 = y$r_buff0_thd0 [L744] 1 y$r_buff1_thd1 = y$r_buff0_thd1 [L745] 1 y$r_buff1_thd2 = y$r_buff0_thd2 [L746] 1 y$r_buff0_thd1 = (_Bool)1 [L749] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=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$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L766] 2 x = 2 [L769] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=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$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L772] 2 weak$$choice0 = __VERIFIER_nondet_bool() [L773] 2 weak$$choice2 = __VERIFIER_nondet_bool() [L774] 2 y$flush_delayed = weak$$choice2 [L775] 2 y$mem_tmp = y [L776] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L776] 2 y = !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L777] EXPR 2 weak$$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$w_buff0)) [L777] EXPR 2 !y$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) [L777] EXPR 2 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L777] 2 y$w_buff0 = weak$$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)) [L778] EXPR 2 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L778] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1) [L778] EXPR 2 weak$$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$w_buff1)) [L778] 2 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L779] EXPR 2 weak$$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)) [L779] EXPR 2 !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) [L779] EXPR 2 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L779] 2 y$w_buff0_used = weak$$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)) [L780] EXPR 2 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L780] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0) [L780] EXPR 2 weak$$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$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L780] 2 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L781] EXPR 2 weak$$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)) [L781] EXPR 2 !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) [L781] EXPR 2 weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L781] 2 y$r_buff0_thd2 = weak$$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)) [L782] EXPR 2 weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L782] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0) [L782] EXPR 2 weak$$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$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L782] 2 y$r_buff1_thd2 = weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L783] 2 __unbuffered_p1_EAX = y [L784] EXPR 2 y$flush_delayed ? y$mem_tmp : y [L784] 2 y = y$flush_delayed ? y$mem_tmp : y [L785] 2 y$flush_delayed = (_Bool)0 [L788] 2 weak$$choice0 = __VERIFIER_nondet_bool() [L789] 2 weak$$choice2 = __VERIFIER_nondet_bool() [L790] 2 y$flush_delayed = weak$$choice2 [L791] 2 y$mem_tmp = y [L792] EXPR 2 !y$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) [L792] 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) [L793] EXPR 2 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L793] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0) [L793] EXPR 2 weak$$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$w_buff0)) [L793] 2 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L794] EXPR 2 weak$$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$w_buff1)) [L794] EXPR 2 !y$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) [L794] EXPR 2 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L794] 2 y$w_buff1 = weak$$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)) [L795] EXPR 2 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L795] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used) [L795] EXPR 2 weak$$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)) [L795] 2 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L796] EXPR 2 weak$$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$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L796] EXPR 2 !y$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) [L796] EXPR 2 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L796] 2 y$w_buff1_used = weak$$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)) [L797] EXPR 2 weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L797] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2) [L797] EXPR 2 weak$$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)) [L797] 2 y$r_buff0_thd2 = weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L798] EXPR 2 weak$$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$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L798] EXPR 2 !y$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) [L798] EXPR 2 weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L798] 2 y$r_buff1_thd2 = weak$$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$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L799] 2 __unbuffered_p1_EBX = y [L800] EXPR 2 y$flush_delayed ? y$mem_tmp : y [L800] 2 y = y$flush_delayed ? y$mem_tmp : y [L801] 2 y$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=56, weak$$choice2=0, x=2, y=1, y$flush_delayed=0, y$mem_tmp=1, 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$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L804] 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) [L804] EXPR 2 y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y [L804] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L804] 2 y = y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L805] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L805] 2 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L806] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L806] 2 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L807] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L807] 2 y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L808] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L808] 2 y$r_buff1_thd2 = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L811] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L813] 2 return 0; VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=56, weak$$choice2=0, x=2, y=1, y$flush_delayed=0, y$mem_tmp=1, 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$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L752] 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) [L752] 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) [L753] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L753] 1 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L754] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L754] 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 [L755] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L755] 1 y$r_buff0_thd1 = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L756] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 [L756] 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 [L759] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L761] 1 return 0; VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=56, weak$$choice2=0, x=2, y=2, y$flush_delayed=0, y$mem_tmp=1, 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$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L831] 0 main$tmp_guard0 = __unbuffered_cnt == 2 [L3] COND FALSE 0 !(!cond) [L835] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L835] EXPR 0 y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y [L835] 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) [L835] 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) [L836] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L836] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L837] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L837] 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 [L838] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L838] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L839] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L839] 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 [L842] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L843] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L844] 0 y$flush_delayed = weak$$choice2 [L845] 0 y$mem_tmp = y [L846] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) [L846] 0 y = !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) [L847] EXPR 0 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L847] 0 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L848] EXPR 0 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L848] 0 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L849] EXPR 0 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L849] 0 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L850] EXPR 0 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L850] 0 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L851] EXPR 0 weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L851] 0 y$r_buff0_thd0 = weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L852] EXPR 0 weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L852] 0 y$r_buff1_thd0 = weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L853] 0 main$tmp_guard1 = !(x == 2 && y == 2 && __unbuffered_p1_EAX == 1 && __unbuffered_p1_EBX == 1) [L854] EXPR 0 y$flush_delayed ? y$mem_tmp : y [L854] 0 y = y$flush_delayed ? y$mem_tmp : y [L855] 0 y$flush_delayed = (_Bool)0 [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=255, x=2, y=2, y$flush_delayed=0, y$mem_tmp=2, 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$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 82 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 10.7ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 142144.8ms, OverallIterations: 9, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 1832.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 88446.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 31 SDtfs, 17 SDslu, 6 SDs, 0 SdLazy, 166 SolverSat, 96 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 643.8ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 27 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 695.2ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=214occurred in iteration=0, InterpolantAutomatonStates: 36, 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: 45.7ms SsaConstructionTime, 599.1ms SatisfiabilityAnalysisTime, 1305.2ms InterpolantComputationTime, 99 NumberOfCodeBlocks, 99 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 77 ConstructedInterpolants, 0 QuantifiedInterpolants, 453 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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...