/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-SemanticLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix008_rmo.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-11 20:00:04,054 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-11 20:00:04,058 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-11 20:00:04,075 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-11 20:00:04,076 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-11 20:00:04,076 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-11 20:00:04,077 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-11 20:00:04,078 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-11 20:00:04,079 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-11 20:00:04,080 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-11 20:00:04,080 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-11 20:00:04,081 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-11 20:00:04,081 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-11 20:00:04,082 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-11 20:00:04,082 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-11 20:00:04,083 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-11 20:00:04,083 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-11 20:00:04,084 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-11 20:00:04,085 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-11 20:00:04,086 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-11 20:00:04,086 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-11 20:00:04,087 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-11 20:00:04,088 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-11 20:00:04,088 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-11 20:00:04,089 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-11 20:00:04,169 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-11 20:00:04,170 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-11 20:00:04,170 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-11 20:00:04,171 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-SemanticLbe.epf [2021-03-11 20:00:04,190 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-11 20:00:04,190 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-11 20:00:04,195 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-11 20:00:04,195 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-11 20:00:04,195 INFO L138 SettingsManager]: * Use SBE=true [2021-03-11 20:00:04,195 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-11 20:00:04,195 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-11 20:00:04,195 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-11 20:00:04,195 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-11 20:00:04,195 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-11 20:00:04,195 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-11 20:00:04,195 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-11 20:00:04,195 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-11 20:00:04,196 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-11 20:00:04,196 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-11 20:00:04,196 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-11 20:00:04,196 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-11 20:00:04,196 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-11 20:00:04,196 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-11 20:00:04,196 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-11 20:00:04,196 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-11 20:00:04,196 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-11 20:00:04,196 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-11 20:00:04,196 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-11 20:00:04,197 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-11 20:00:04,197 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-11 20:00:04,197 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-11 20:00:04,197 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-11 20:00:04,197 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-11 20:00:04,436 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-11 20:00:04,457 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-11 20:00:04,459 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-11 20:00:04,460 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-11 20:00:04,462 INFO L275 PluginConnector]: CDTParser initialized [2021-03-11 20:00:04,462 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix008_rmo.oepc.i [2021-03-11 20:00:04,512 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c36497ebc/ea49611b63954137ac0d37d577323aa7/FLAG697514536 [2021-03-11 20:00:05,038 INFO L306 CDTParser]: Found 1 translation units. [2021-03-11 20:00:05,038 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix008_rmo.oepc.i [2021-03-11 20:00:05,047 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c36497ebc/ea49611b63954137ac0d37d577323aa7/FLAG697514536 [2021-03-11 20:00:05,540 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c36497ebc/ea49611b63954137ac0d37d577323aa7 [2021-03-11 20:00:05,541 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-11 20:00:05,545 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-11 20:00:05,547 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-11 20:00:05,547 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-11 20:00:05,552 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-11 20:00:05,553 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.03 08:00:05" (1/1) ... [2021-03-11 20:00:05,553 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48880899 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:00:05, skipping insertion in model container [2021-03-11 20:00:05,553 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.03 08:00:05" (1/1) ... [2021-03-11 20:00:05,557 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-11 20:00:05,602 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-11 20:00:05,724 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/mix008_rmo.oepc.i[949,962] [2021-03-11 20:00:05,892 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-11 20:00:05,899 INFO L203 MainTranslator]: Completed pre-run [2021-03-11 20:00:05,907 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/mix008_rmo.oepc.i[949,962] [2021-03-11 20:00:05,945 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-11 20:00:05,984 INFO L208 MainTranslator]: Completed translation [2021-03-11 20:00:05,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:00:05 WrapperNode [2021-03-11 20:00:05,984 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-11 20:00:05,985 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-11 20:00:05,985 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-11 20:00:05,985 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-11 20:00:05,989 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:00:05" (1/1) ... [2021-03-11 20:00:06,000 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:00:05" (1/1) ... [2021-03-11 20:00:06,015 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-11 20:00:06,015 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-11 20:00:06,016 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-11 20:00:06,016 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-11 20:00:06,021 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:00:05" (1/1) ... [2021-03-11 20:00:06,021 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:00:05" (1/1) ... [2021-03-11 20:00:06,023 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:00:05" (1/1) ... [2021-03-11 20:00:06,023 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:00:05" (1/1) ... [2021-03-11 20:00:06,031 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:00:05" (1/1) ... [2021-03-11 20:00:06,042 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:00:05" (1/1) ... [2021-03-11 20:00:06,043 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:00:05" (1/1) ... [2021-03-11 20:00:06,046 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-11 20:00:06,046 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-11 20:00:06,046 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-11 20:00:06,047 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-11 20:00:06,047 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:00:05" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-11 20:00:06,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-11 20:00:06,105 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-11 20:00:06,105 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-11 20:00:06,105 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-11 20:00:06,105 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-03-11 20:00:06,105 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-03-11 20:00:06,106 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-03-11 20:00:06,106 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-03-11 20:00:06,106 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-03-11 20:00:06,106 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-03-11 20:00:06,106 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-03-11 20:00:06,106 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-03-11 20:00:06,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-11 20:00:06,106 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-11 20:00:06,106 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-11 20:00:06,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-11 20:00:06,107 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-11 20:00:07,436 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-11 20:00:07,437 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-03-11 20:00:07,438 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.03 08:00:07 BoogieIcfgContainer [2021-03-11 20:00:07,438 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-11 20:00:07,439 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-11 20:00:07,439 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-11 20:00:07,441 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-11 20:00:07,441 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.03 08:00:05" (1/3) ... [2021-03-11 20:00:07,441 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@541da2d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.03 08:00:07, skipping insertion in model container [2021-03-11 20:00:07,441 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:00:05" (2/3) ... [2021-03-11 20:00:07,442 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@541da2d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.03 08:00:07, skipping insertion in model container [2021-03-11 20:00:07,442 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.03 08:00:07" (3/3) ... [2021-03-11 20:00:07,442 INFO L111 eAbstractionObserver]: Analyzing ICFG mix008_rmo.oepc.i [2021-03-11 20:00:07,446 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-11 20:00:07,449 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-03-11 20:00:07,449 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-11 20:00:07,474 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,474 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,474 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,474 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,474 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,474 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,474 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,474 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,474 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,475 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,475 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,475 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,475 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,475 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,475 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,475 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,475 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,475 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,476 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,476 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,476 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,476 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,476 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,476 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,476 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,476 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,476 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,476 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,476 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,477 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,477 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,477 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,477 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,477 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,477 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,477 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,478 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,478 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,478 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,478 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,478 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,478 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,478 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,478 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,478 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,478 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,478 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,478 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,478 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,479 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,479 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,479 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,479 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,479 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,479 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,479 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,479 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,480 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,480 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,480 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,480 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,480 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,480 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,480 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,480 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,480 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,480 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,480 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,481 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,481 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,481 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,481 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,481 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,481 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,481 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,481 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,481 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,481 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,482 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,482 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,482 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,482 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,482 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,482 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,482 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,482 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,482 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,483 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,483 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,483 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,483 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,483 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,483 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,483 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,483 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,483 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,483 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,483 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,483 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,484 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,484 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,484 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,484 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,484 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,484 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,484 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,484 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,484 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,484 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,484 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,484 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,484 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,484 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,485 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,485 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,485 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,485 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,485 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,485 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,485 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,485 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,485 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,485 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,485 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,485 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,485 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,485 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,486 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,486 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,486 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,486 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,486 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,487 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,487 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,487 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,487 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,487 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,487 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,488 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,488 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,488 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,488 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,488 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,488 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,488 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,488 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,488 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,488 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,488 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,488 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,488 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,488 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,488 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,489 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,489 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,489 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,489 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,489 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,489 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,489 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,489 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,489 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,489 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,489 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,489 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,489 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,489 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,489 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,490 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,490 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,491 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,491 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,491 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,491 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,491 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,491 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,491 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,492 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,492 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,492 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,492 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,492 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,492 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,492 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,492 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,492 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,493 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,493 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,494 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,494 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,494 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,494 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,494 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,494 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,494 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,494 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,495 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,495 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,495 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,495 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,495 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,495 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,495 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,495 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,495 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,495 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,495 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,495 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,495 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,496 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,496 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,496 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,496 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,496 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,496 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,496 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,496 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,496 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,496 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,496 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,496 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,498 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,498 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,498 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,498 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,498 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,498 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,498 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,498 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,498 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,498 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,499 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,499 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,500 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,501 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,501 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,501 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,501 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,501 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,501 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,501 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,501 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,501 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,502 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,502 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,502 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,502 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,502 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,502 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,502 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,502 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,503 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,503 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:00:07,503 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-11 20:00:07,514 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-03-11 20:00:07,525 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-11 20:00:07,526 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-11 20:00:07,526 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-11 20:00:07,526 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-11 20:00:07,526 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-11 20:00:07,526 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-11 20:00:07,526 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-11 20:00:07,526 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-11 20:00:07,532 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 130 places, 119 transitions, 258 flow [2021-03-11 20:00:07,557 INFO L129 PetriNetUnfolder]: 2/115 cut-off events. [2021-03-11 20:00:07,557 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-11 20:00:07,560 INFO L84 FinitePrefix]: Finished finitePrefix Result has 128 conditions, 115 events. 2/115 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 92 event pairs, 0 based on Foata normal form. 0/111 useless extension candidates. Maximal degree in co-relation 78. Up to 2 conditions per place. [2021-03-11 20:00:07,560 INFO L82 GeneralOperation]: Start removeDead. Operand has 130 places, 119 transitions, 258 flow [2021-03-11 20:00:07,563 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 126 places, 115 transitions, 242 flow [2021-03-11 20:00:07,566 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-11 20:00:07,571 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 126 places, 115 transitions, 242 flow [2021-03-11 20:00:07,572 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 126 places, 115 transitions, 242 flow [2021-03-11 20:00:07,572 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 126 places, 115 transitions, 242 flow [2021-03-11 20:00:07,586 INFO L129 PetriNetUnfolder]: 2/115 cut-off events. [2021-03-11 20:00:07,586 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-11 20:00:07,586 INFO L84 FinitePrefix]: Finished finitePrefix Result has 128 conditions, 115 events. 2/115 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 96 event pairs, 0 based on Foata normal form. 0/111 useless extension candidates. Maximal degree in co-relation 78. Up to 2 conditions per place. [2021-03-11 20:00:07,588 INFO L116 LiptonReduction]: Number of co-enabled transitions 2886 [2021-03-11 20:00:11,069 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 124 [2021-03-11 20:00:11,205 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2021-03-11 20:00:11,529 WARN L205 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 124 [2021-03-11 20:00:11,697 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2021-03-11 20:00:11,701 INFO L131 LiptonReduction]: Checked pairs total: 8224 [2021-03-11 20:00:11,701 INFO L133 LiptonReduction]: Total number of compositions: 94 [2021-03-11 20:00:11,702 INFO L182 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4138 [2021-03-11 20:00:11,707 INFO L129 PetriNetUnfolder]: 0/3 cut-off events. [2021-03-11 20:00:11,707 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-11 20:00:11,707 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 20:00:11,707 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2021-03-11 20:00:11,708 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 20:00:11,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 20:00:11,716 INFO L82 PathProgramCache]: Analyzing trace with hash 1216297, now seen corresponding path program 1 times [2021-03-11 20:00:11,721 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 20:00:11,722 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215900088] [2021-03-11 20:00:11,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 20:00:11,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 20:00:11,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:00:11,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 20:00:11,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 20:00:11,884 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215900088] [2021-03-11 20:00:11,884 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 20:00:11,885 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-03-11 20:00:11,885 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157201689] [2021-03-11 20:00:11,890 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-11 20:00:11,890 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 20:00:11,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-11 20:00:11,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-11 20:00:11,900 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 183 out of 213 [2021-03-11 20:00:11,904 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 33 transitions, 78 flow. Second operand has 3 states, 3 states have (on average 183.66666666666666) internal successors, (551), 3 states have internal predecessors, (551), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:00:11,904 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 20:00:11,904 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 183 of 213 [2021-03-11 20:00:11,904 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 20:00:12,004 INFO L129 PetriNetUnfolder]: 133/329 cut-off events. [2021-03-11 20:00:12,004 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-11 20:00:12,007 INFO L84 FinitePrefix]: Finished finitePrefix Result has 548 conditions, 329 events. 133/329 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 1789 event pairs, 110 based on Foata normal form. 33/329 useless extension candidates. Maximal degree in co-relation 537. Up to 153 conditions per place. [2021-03-11 20:00:12,009 INFO L132 encePairwiseOnDemand]: 209/213 looper letters, 11 selfloop transitions, 2 changer transitions 0/36 dead transitions. [2021-03-11 20:00:12,009 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 36 transitions, 110 flow [2021-03-11 20:00:12,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-11 20:00:12,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-11 20:00:12,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 565 transitions. [2021-03-11 20:00:12,022 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.8841940532081377 [2021-03-11 20:00:12,023 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 565 transitions. [2021-03-11 20:00:12,024 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 565 transitions. [2021-03-11 20:00:12,026 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 20:00:12,027 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 565 transitions. [2021-03-11 20:00:12,031 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 188.33333333333334) internal successors, (565), 3 states have internal predecessors, (565), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:00:12,037 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 213.0) internal successors, (852), 4 states have internal predecessors, (852), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:00:12,037 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 213.0) internal successors, (852), 4 states have internal predecessors, (852), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:00:12,038 INFO L185 Difference]: Start difference. First operand has 45 places, 33 transitions, 78 flow. Second operand 3 states and 565 transitions. [2021-03-11 20:00:12,039 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 36 transitions, 110 flow [2021-03-11 20:00:12,040 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 36 transitions, 106 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-03-11 20:00:12,041 INFO L241 Difference]: Finished difference. Result has 42 places, 31 transitions, 74 flow [2021-03-11 20:00:12,042 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=213, PETRI_DIFFERENCE_MINUEND_FLOW=70, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=74, PETRI_PLACES=42, PETRI_TRANSITIONS=31} [2021-03-11 20:00:12,043 INFO L335 CegarLoopForPetriNet]: 45 programPoint places, -3 predicate places. [2021-03-11 20:00:12,043 INFO L480 AbstractCegarLoop]: Abstraction has has 42 places, 31 transitions, 74 flow [2021-03-11 20:00:12,043 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 183.66666666666666) internal successors, (551), 3 states have internal predecessors, (551), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:00:12,045 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 20:00:12,045 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 20:00:12,045 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-11 20:00:12,046 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 20:00:12,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 20:00:12,047 INFO L82 PathProgramCache]: Analyzing trace with hash -366308533, now seen corresponding path program 1 times [2021-03-11 20:00:12,047 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 20:00:12,047 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915116485] [2021-03-11 20:00:12,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 20:00:12,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 20:00:12,128 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-03-11 20:00:12,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-11 20:00:12,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:00:12,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 20:00:12,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 20:00:12,139 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915116485] [2021-03-11 20:00:12,139 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 20:00:12,139 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-11 20:00:12,139 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098892212] [2021-03-11 20:00:12,140 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-11 20:00:12,140 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 20:00:12,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-11 20:00:12,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-11 20:00:12,141 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 158 out of 213 [2021-03-11 20:00:12,142 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 31 transitions, 74 flow. Second operand has 4 states, 4 states have (on average 158.75) internal successors, (635), 4 states have internal predecessors, (635), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:00:12,142 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 20:00:12,142 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 158 of 213 [2021-03-11 20:00:12,142 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 20:00:12,418 INFO L129 PetriNetUnfolder]: 1280/2352 cut-off events. [2021-03-11 20:00:12,418 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-11 20:00:12,422 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4226 conditions, 2352 events. 1280/2352 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 230. Compared 15767 event pairs, 270 based on Foata normal form. 0/2199 useless extension candidates. Maximal degree in co-relation 4217. Up to 722 conditions per place. [2021-03-11 20:00:12,429 INFO L132 encePairwiseOnDemand]: 201/213 looper letters, 11 selfloop transitions, 9 changer transitions 21/60 dead transitions. [2021-03-11 20:00:12,429 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 60 transitions, 214 flow [2021-03-11 20:00:12,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-11 20:00:12,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-11 20:00:12,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 833 transitions. [2021-03-11 20:00:12,432 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.7821596244131456 [2021-03-11 20:00:12,432 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 833 transitions. [2021-03-11 20:00:12,432 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 833 transitions. [2021-03-11 20:00:12,432 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 20:00:12,432 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 833 transitions. [2021-03-11 20:00:12,434 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 166.6) internal successors, (833), 5 states have internal predecessors, (833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:00:12,436 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 213.0) internal successors, (1278), 6 states have internal predecessors, (1278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:00:12,436 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 213.0) internal successors, (1278), 6 states have internal predecessors, (1278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:00:12,437 INFO L185 Difference]: Start difference. First operand has 42 places, 31 transitions, 74 flow. Second operand 5 states and 833 transitions. [2021-03-11 20:00:12,437 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 60 transitions, 214 flow [2021-03-11 20:00:12,437 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 60 transitions, 210 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-11 20:00:12,438 INFO L241 Difference]: Finished difference. Result has 48 places, 38 transitions, 158 flow [2021-03-11 20:00:12,439 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=213, PETRI_DIFFERENCE_MINUEND_FLOW=70, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=158, PETRI_PLACES=48, PETRI_TRANSITIONS=38} [2021-03-11 20:00:12,439 INFO L335 CegarLoopForPetriNet]: 45 programPoint places, 3 predicate places. [2021-03-11 20:00:12,439 INFO L480 AbstractCegarLoop]: Abstraction has has 48 places, 38 transitions, 158 flow [2021-03-11 20:00:12,440 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 158.75) internal successors, (635), 4 states have internal predecessors, (635), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:00:12,440 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 20:00:12,440 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 20:00:12,440 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-11 20:00:12,440 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 20:00:12,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 20:00:12,440 INFO L82 PathProgramCache]: Analyzing trace with hash -1590771044, now seen corresponding path program 1 times [2021-03-11 20:00:12,441 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 20:00:12,441 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062337653] [2021-03-11 20:00:12,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 20:00:12,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 20:00:12,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:00:12,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 20:00:12,519 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-03-11 20:00:12,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-11 20:00:12,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:00:12,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 20:00:12,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 20:00:12,533 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062337653] [2021-03-11 20:00:12,533 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 20:00:12,533 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-11 20:00:12,533 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137980036] [2021-03-11 20:00:12,533 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-11 20:00:12,533 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 20:00:12,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-11 20:00:12,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-11 20:00:12,537 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 158 out of 213 [2021-03-11 20:00:12,538 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 38 transitions, 158 flow. Second operand has 5 states, 5 states have (on average 158.8) internal successors, (794), 5 states have internal predecessors, (794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:00:12,538 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 20:00:12,538 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 158 of 213 [2021-03-11 20:00:12,538 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 20:00:12,746 INFO L129 PetriNetUnfolder]: 722/1640 cut-off events. [2021-03-11 20:00:12,746 INFO L130 PetriNetUnfolder]: For 1006/1638 co-relation queries the response was YES. [2021-03-11 20:00:12,750 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4997 conditions, 1640 events. 722/1640 cut-off events. For 1006/1638 co-relation queries the response was YES. Maximal size of possible extension queue 172. Compared 12269 event pairs, 168 based on Foata normal form. 110/1725 useless extension candidates. Maximal degree in co-relation 4984. Up to 749 conditions per place. [2021-03-11 20:00:12,756 INFO L132 encePairwiseOnDemand]: 202/213 looper letters, 19 selfloop transitions, 13 changer transitions 28/79 dead transitions. [2021-03-11 20:00:12,756 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 79 transitions, 522 flow [2021-03-11 20:00:12,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-11 20:00:12,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-11 20:00:12,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1158 transitions. [2021-03-11 20:00:12,758 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.7766599597585513 [2021-03-11 20:00:12,759 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1158 transitions. [2021-03-11 20:00:12,759 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1158 transitions. [2021-03-11 20:00:12,759 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 20:00:12,759 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1158 transitions. [2021-03-11 20:00:12,761 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 165.42857142857142) internal successors, (1158), 7 states have internal predecessors, (1158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:00:12,767 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 213.0) internal successors, (1704), 8 states have internal predecessors, (1704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:00:12,768 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 213.0) internal successors, (1704), 8 states have internal predecessors, (1704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:00:12,768 INFO L185 Difference]: Start difference. First operand has 48 places, 38 transitions, 158 flow. Second operand 7 states and 1158 transitions. [2021-03-11 20:00:12,768 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 79 transitions, 522 flow [2021-03-11 20:00:12,775 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 79 transitions, 464 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-11 20:00:12,776 INFO L241 Difference]: Finished difference. Result has 55 places, 46 transitions, 260 flow [2021-03-11 20:00:12,776 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=213, PETRI_DIFFERENCE_MINUEND_FLOW=140, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=260, PETRI_PLACES=55, PETRI_TRANSITIONS=46} [2021-03-11 20:00:12,776 INFO L335 CegarLoopForPetriNet]: 45 programPoint places, 10 predicate places. [2021-03-11 20:00:12,776 INFO L480 AbstractCegarLoop]: Abstraction has has 55 places, 46 transitions, 260 flow [2021-03-11 20:00:12,777 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 158.8) internal successors, (794), 5 states have internal predecessors, (794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:00:12,777 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 20:00:12,777 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 20:00:12,777 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-11 20:00:12,777 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 20:00:12,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 20:00:12,777 INFO L82 PathProgramCache]: Analyzing trace with hash -598575671, now seen corresponding path program 1 times [2021-03-11 20:00:12,778 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 20:00:12,778 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093015064] [2021-03-11 20:00:12,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 20:00:12,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 20:00:12,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:00:12,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 20:00:12,838 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-03-11 20:00:12,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-11 20:00:12,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:00:12,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 20:00:12,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 20:00:12,853 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093015064] [2021-03-11 20:00:12,853 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 20:00:12,853 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-11 20:00:12,853 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887866459] [2021-03-11 20:00:12,853 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-11 20:00:12,854 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 20:00:12,854 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-11 20:00:12,854 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-11 20:00:12,855 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 158 out of 213 [2021-03-11 20:00:12,856 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 46 transitions, 260 flow. Second operand has 5 states, 5 states have (on average 158.8) internal successors, (794), 5 states have internal predecessors, (794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:00:12,856 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 20:00:12,856 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 158 of 213 [2021-03-11 20:00:12,856 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 20:00:13,066 INFO L129 PetriNetUnfolder]: 601/1392 cut-off events. [2021-03-11 20:00:13,066 INFO L130 PetriNetUnfolder]: For 3484/4262 co-relation queries the response was YES. [2021-03-11 20:00:13,070 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5047 conditions, 1392 events. 601/1392 cut-off events. For 3484/4262 co-relation queries the response was YES. Maximal size of possible extension queue 144. Compared 10091 event pairs, 145 based on Foata normal form. 95/1468 useless extension candidates. Maximal degree in co-relation 5028. Up to 626 conditions per place. [2021-03-11 20:00:13,076 INFO L132 encePairwiseOnDemand]: 202/213 looper letters, 20 selfloop transitions, 20 changer transitions 21/80 dead transitions. [2021-03-11 20:00:13,076 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 80 transitions, 626 flow [2021-03-11 20:00:13,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-11 20:00:13,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-11 20:00:13,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1157 transitions. [2021-03-11 20:00:13,079 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.7759892689470155 [2021-03-11 20:00:13,079 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1157 transitions. [2021-03-11 20:00:13,079 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1157 transitions. [2021-03-11 20:00:13,080 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 20:00:13,080 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1157 transitions. [2021-03-11 20:00:13,083 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 165.28571428571428) internal successors, (1157), 7 states have internal predecessors, (1157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:00:13,085 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 213.0) internal successors, (1704), 8 states have internal predecessors, (1704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:00:13,086 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 213.0) internal successors, (1704), 8 states have internal predecessors, (1704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:00:13,112 INFO L185 Difference]: Start difference. First operand has 55 places, 46 transitions, 260 flow. Second operand 7 states and 1157 transitions. [2021-03-11 20:00:13,112 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 80 transitions, 626 flow [2021-03-11 20:00:13,118 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 80 transitions, 618 flow, removed 4 selfloop flow, removed 0 redundant places. [2021-03-11 20:00:13,119 INFO L241 Difference]: Finished difference. Result has 63 places, 53 transitions, 389 flow [2021-03-11 20:00:13,120 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=213, PETRI_DIFFERENCE_MINUEND_FLOW=256, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=389, PETRI_PLACES=63, PETRI_TRANSITIONS=53} [2021-03-11 20:00:13,120 INFO L335 CegarLoopForPetriNet]: 45 programPoint places, 18 predicate places. [2021-03-11 20:00:13,120 INFO L480 AbstractCegarLoop]: Abstraction has has 63 places, 53 transitions, 389 flow [2021-03-11 20:00:13,120 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 158.8) internal successors, (794), 5 states have internal predecessors, (794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:00:13,120 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 20:00:13,120 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 20:00:13,120 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-11 20:00:13,120 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 20:00:13,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 20:00:13,121 INFO L82 PathProgramCache]: Analyzing trace with hash 162890478, now seen corresponding path program 1 times [2021-03-11 20:00:13,121 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 20:00:13,121 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685602613] [2021-03-11 20:00:13,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 20:00:13,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 20:00:13,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:00:13,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 20:00:13,167 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-03-11 20:00:13,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-11 20:00:13,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:00:13,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 20:00:13,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 20:00:13,178 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685602613] [2021-03-11 20:00:13,179 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 20:00:13,179 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-11 20:00:13,179 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350378590] [2021-03-11 20:00:13,179 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-11 20:00:13,179 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 20:00:13,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-11 20:00:13,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-11 20:00:13,180 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 158 out of 213 [2021-03-11 20:00:13,181 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 53 transitions, 389 flow. Second operand has 5 states, 5 states have (on average 159.0) internal successors, (795), 5 states have internal predecessors, (795), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:00:13,181 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 20:00:13,181 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 158 of 213 [2021-03-11 20:00:13,181 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 20:00:13,332 INFO L129 PetriNetUnfolder]: 455/1107 cut-off events. [2021-03-11 20:00:13,332 INFO L130 PetriNetUnfolder]: For 4673/5651 co-relation queries the response was YES. [2021-03-11 20:00:13,336 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4625 conditions, 1107 events. 455/1107 cut-off events. For 4673/5651 co-relation queries the response was YES. Maximal size of possible extension queue 113. Compared 7885 event pairs, 80 based on Foata normal form. 83/1174 useless extension candidates. Maximal degree in co-relation 4599. Up to 487 conditions per place. [2021-03-11 20:00:13,341 INFO L132 encePairwiseOnDemand]: 203/213 looper letters, 37 selfloop transitions, 10 changer transitions 25/91 dead transitions. [2021-03-11 20:00:13,341 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 91 transitions, 894 flow [2021-03-11 20:00:13,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-11 20:00:13,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-11 20:00:13,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1151 transitions. [2021-03-11 20:00:13,343 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.7719651240778002 [2021-03-11 20:00:13,344 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1151 transitions. [2021-03-11 20:00:13,344 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1151 transitions. [2021-03-11 20:00:13,344 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 20:00:13,344 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1151 transitions. [2021-03-11 20:00:13,346 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 164.42857142857142) internal successors, (1151), 7 states have internal predecessors, (1151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:00:13,347 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 213.0) internal successors, (1704), 8 states have internal predecessors, (1704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:00:13,348 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 213.0) internal successors, (1704), 8 states have internal predecessors, (1704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:00:13,348 INFO L185 Difference]: Start difference. First operand has 63 places, 53 transitions, 389 flow. Second operand 7 states and 1151 transitions. [2021-03-11 20:00:13,348 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 91 transitions, 894 flow [2021-03-11 20:00:13,357 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 91 transitions, 854 flow, removed 20 selfloop flow, removed 5 redundant places. [2021-03-11 20:00:13,359 INFO L241 Difference]: Finished difference. Result has 67 places, 59 transitions, 498 flow [2021-03-11 20:00:13,359 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=213, PETRI_DIFFERENCE_MINUEND_FLOW=363, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=53, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=498, PETRI_PLACES=67, PETRI_TRANSITIONS=59} [2021-03-11 20:00:13,360 INFO L335 CegarLoopForPetriNet]: 45 programPoint places, 22 predicate places. [2021-03-11 20:00:13,360 INFO L480 AbstractCegarLoop]: Abstraction has has 67 places, 59 transitions, 498 flow [2021-03-11 20:00:13,360 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 159.0) internal successors, (795), 5 states have internal predecessors, (795), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:00:13,360 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 20:00:13,360 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 20:00:13,360 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-11 20:00:13,360 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 20:00:13,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 20:00:13,361 INFO L82 PathProgramCache]: Analyzing trace with hash -1469764187, now seen corresponding path program 1 times [2021-03-11 20:00:13,361 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 20:00:13,361 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435210562] [2021-03-11 20:00:13,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 20:00:13,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 20:00:13,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:00:13,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 20:00:13,405 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-03-11 20:00:13,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-11 20:00:13,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:00:13,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 20:00:13,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 20:00:13,419 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435210562] [2021-03-11 20:00:13,420 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 20:00:13,420 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-11 20:00:13,422 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139443464] [2021-03-11 20:00:13,423 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-11 20:00:13,423 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 20:00:13,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-11 20:00:13,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-11 20:00:13,424 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 158 out of 213 [2021-03-11 20:00:13,425 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 59 transitions, 498 flow. Second operand has 5 states, 5 states have (on average 159.2) internal successors, (796), 5 states have internal predecessors, (796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:00:13,425 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 20:00:13,425 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 158 of 213 [2021-03-11 20:00:13,425 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 20:00:13,561 INFO L129 PetriNetUnfolder]: 334/834 cut-off events. [2021-03-11 20:00:13,561 INFO L130 PetriNetUnfolder]: For 4530/5287 co-relation queries the response was YES. [2021-03-11 20:00:13,564 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3946 conditions, 834 events. 334/834 cut-off events. For 4530/5287 co-relation queries the response was YES. Maximal size of possible extension queue 70. Compared 5379 event pairs, 20 based on Foata normal form. 48/868 useless extension candidates. Maximal degree in co-relation 3917. Up to 364 conditions per place. [2021-03-11 20:00:13,568 INFO L132 encePairwiseOnDemand]: 202/213 looper letters, 39 selfloop transitions, 25 changer transitions 19/102 dead transitions. [2021-03-11 20:00:13,568 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 102 transitions, 1154 flow [2021-03-11 20:00:13,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-11 20:00:13,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-11 20:00:13,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1149 transitions. [2021-03-11 20:00:13,570 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.7706237424547284 [2021-03-11 20:00:13,570 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1149 transitions. [2021-03-11 20:00:13,570 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1149 transitions. [2021-03-11 20:00:13,571 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 20:00:13,571 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1149 transitions. [2021-03-11 20:00:13,573 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 164.14285714285714) internal successors, (1149), 7 states have internal predecessors, (1149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:00:13,574 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 213.0) internal successors, (1704), 8 states have internal predecessors, (1704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:00:13,575 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 213.0) internal successors, (1704), 8 states have internal predecessors, (1704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:00:13,575 INFO L185 Difference]: Start difference. First operand has 67 places, 59 transitions, 498 flow. Second operand 7 states and 1149 transitions. [2021-03-11 20:00:13,575 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 102 transitions, 1154 flow [2021-03-11 20:00:13,582 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 102 transitions, 1119 flow, removed 15 selfloop flow, removed 3 redundant places. [2021-03-11 20:00:13,584 INFO L241 Difference]: Finished difference. Result has 73 places, 74 transitions, 823 flow [2021-03-11 20:00:13,584 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=213, PETRI_DIFFERENCE_MINUEND_FLOW=481, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=823, PETRI_PLACES=73, PETRI_TRANSITIONS=74} [2021-03-11 20:00:13,584 INFO L335 CegarLoopForPetriNet]: 45 programPoint places, 28 predicate places. [2021-03-11 20:00:13,585 INFO L480 AbstractCegarLoop]: Abstraction has has 73 places, 74 transitions, 823 flow [2021-03-11 20:00:13,585 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 159.2) internal successors, (796), 5 states have internal predecessors, (796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:00:13,585 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 20:00:13,585 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 20:00:13,585 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-11 20:00:13,585 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 20:00:13,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 20:00:13,591 INFO L82 PathProgramCache]: Analyzing trace with hash 1971451940, now seen corresponding path program 1 times [2021-03-11 20:00:13,591 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 20:00:13,591 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865715018] [2021-03-11 20:00:13,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 20:00:13,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 20:00:13,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:00:13,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 20:00:13,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:00:13,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 20:00:13,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 20:00:13,662 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865715018] [2021-03-11 20:00:13,662 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 20:00:13,662 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-11 20:00:13,662 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254455474] [2021-03-11 20:00:13,663 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-11 20:00:13,663 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 20:00:13,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-11 20:00:13,664 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-11 20:00:13,664 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 213 [2021-03-11 20:00:13,666 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 74 transitions, 823 flow. Second operand has 3 states, 3 states have (on average 181.66666666666666) internal successors, (545), 3 states have internal predecessors, (545), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:00:13,666 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 20:00:13,666 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 213 [2021-03-11 20:00:13,666 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 20:00:13,842 INFO L129 PetriNetUnfolder]: 698/1632 cut-off events. [2021-03-11 20:00:13,842 INFO L130 PetriNetUnfolder]: For 4817/5184 co-relation queries the response was YES. [2021-03-11 20:00:13,848 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5313 conditions, 1632 events. 698/1632 cut-off events. For 4817/5184 co-relation queries the response was YES. Maximal size of possible extension queue 191. Compared 12705 event pairs, 276 based on Foata normal form. 46/1575 useless extension candidates. Maximal degree in co-relation 5279. Up to 804 conditions per place. [2021-03-11 20:00:13,855 INFO L132 encePairwiseOnDemand]: 207/213 looper letters, 5 selfloop transitions, 5 changer transitions 0/78 dead transitions. [2021-03-11 20:00:13,855 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 78 transitions, 851 flow [2021-03-11 20:00:13,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-11 20:00:13,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-11 20:00:13,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 554 transitions. [2021-03-11 20:00:13,856 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.86697965571205 [2021-03-11 20:00:13,856 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 554 transitions. [2021-03-11 20:00:13,856 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 554 transitions. [2021-03-11 20:00:13,857 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 20:00:13,857 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 554 transitions. [2021-03-11 20:00:13,858 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 184.66666666666666) internal successors, (554), 3 states have internal predecessors, (554), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:00:13,858 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 213.0) internal successors, (852), 4 states have internal predecessors, (852), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:00:13,859 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 213.0) internal successors, (852), 4 states have internal predecessors, (852), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:00:13,859 INFO L185 Difference]: Start difference. First operand has 73 places, 74 transitions, 823 flow. Second operand 3 states and 554 transitions. [2021-03-11 20:00:13,859 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 78 transitions, 851 flow [2021-03-11 20:00:13,867 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 78 transitions, 829 flow, removed 8 selfloop flow, removed 4 redundant places. [2021-03-11 20:00:13,868 INFO L241 Difference]: Finished difference. Result has 69 places, 78 transitions, 834 flow [2021-03-11 20:00:13,868 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=213, PETRI_DIFFERENCE_MINUEND_FLOW=801, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=834, PETRI_PLACES=69, PETRI_TRANSITIONS=78} [2021-03-11 20:00:13,868 INFO L335 CegarLoopForPetriNet]: 45 programPoint places, 24 predicate places. [2021-03-11 20:00:13,868 INFO L480 AbstractCegarLoop]: Abstraction has has 69 places, 78 transitions, 834 flow [2021-03-11 20:00:13,869 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 181.66666666666666) internal successors, (545), 3 states have internal predecessors, (545), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:00:13,869 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 20:00:13,869 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 20:00:13,869 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-11 20:00:13,869 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 20:00:13,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 20:00:13,869 INFO L82 PathProgramCache]: Analyzing trace with hash -38477922, now seen corresponding path program 1 times [2021-03-11 20:00:13,869 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 20:00:13,869 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751329334] [2021-03-11 20:00:13,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 20:00:13,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 20:00:13,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:00:13,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 20:00:13,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:00:13,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 20:00:13,897 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-03-11 20:00:13,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-11 20:00:13,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:00:13,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 20:00:13,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 20:00:13,909 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751329334] [2021-03-11 20:00:13,909 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 20:00:13,909 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-11 20:00:13,909 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535877185] [2021-03-11 20:00:13,909 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-11 20:00:13,909 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 20:00:13,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-11 20:00:13,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-11 20:00:13,910 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 158 out of 213 [2021-03-11 20:00:13,911 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 78 transitions, 834 flow. Second operand has 5 states, 5 states have (on average 159.4) internal successors, (797), 5 states have internal predecessors, (797), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:00:13,911 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 20:00:13,911 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 158 of 213 [2021-03-11 20:00:13,911 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 20:00:14,171 INFO L129 PetriNetUnfolder]: 1083/2568 cut-off events. [2021-03-11 20:00:14,171 INFO L130 PetriNetUnfolder]: For 7591/8776 co-relation queries the response was YES. [2021-03-11 20:00:14,184 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8882 conditions, 2568 events. 1083/2568 cut-off events. For 7591/8776 co-relation queries the response was YES. Maximal size of possible extension queue 271. Compared 22251 event pairs, 417 based on Foata normal form. 134/2514 useless extension candidates. Maximal degree in co-relation 8849. Up to 1367 conditions per place. [2021-03-11 20:00:14,197 INFO L132 encePairwiseOnDemand]: 202/213 looper letters, 45 selfloop transitions, 45 changer transitions 0/113 dead transitions. [2021-03-11 20:00:14,197 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 113 transitions, 1487 flow [2021-03-11 20:00:14,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-11 20:00:14,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-11 20:00:14,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1146 transitions. [2021-03-11 20:00:14,199 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.7686116700201208 [2021-03-11 20:00:14,199 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1146 transitions. [2021-03-11 20:00:14,199 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1146 transitions. [2021-03-11 20:00:14,200 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 20:00:14,200 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1146 transitions. [2021-03-11 20:00:14,201 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 163.71428571428572) internal successors, (1146), 7 states have internal predecessors, (1146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:00:14,203 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 213.0) internal successors, (1704), 8 states have internal predecessors, (1704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:00:14,204 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 213.0) internal successors, (1704), 8 states have internal predecessors, (1704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:00:14,204 INFO L185 Difference]: Start difference. First operand has 69 places, 78 transitions, 834 flow. Second operand 7 states and 1146 transitions. [2021-03-11 20:00:14,204 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 113 transitions, 1487 flow [2021-03-11 20:00:14,214 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 113 transitions, 1472 flow, removed 5 selfloop flow, removed 3 redundant places. [2021-03-11 20:00:14,217 INFO L241 Difference]: Finished difference. Result has 78 places, 98 transitions, 1375 flow [2021-03-11 20:00:14,217 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=213, PETRI_DIFFERENCE_MINUEND_FLOW=823, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1375, PETRI_PLACES=78, PETRI_TRANSITIONS=98} [2021-03-11 20:00:14,217 INFO L335 CegarLoopForPetriNet]: 45 programPoint places, 33 predicate places. [2021-03-11 20:00:14,217 INFO L480 AbstractCegarLoop]: Abstraction has has 78 places, 98 transitions, 1375 flow [2021-03-11 20:00:14,217 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 159.4) internal successors, (797), 5 states have internal predecessors, (797), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:00:14,217 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 20:00:14,217 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 20:00:14,218 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-11 20:00:14,218 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 20:00:14,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 20:00:14,218 INFO L82 PathProgramCache]: Analyzing trace with hash 941371692, now seen corresponding path program 1 times [2021-03-11 20:00:14,218 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 20:00:14,218 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370537303] [2021-03-11 20:00:14,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 20:00:14,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 20:00:14,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:00:14,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 20:00:14,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:00:14,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 20:00:14,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:00:14,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 20:00:14,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 20:00:14,273 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370537303] [2021-03-11 20:00:14,273 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 20:00:14,273 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-11 20:00:14,273 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588593370] [2021-03-11 20:00:14,274 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-11 20:00:14,274 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 20:00:14,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-11 20:00:14,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-03-11 20:00:14,275 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 213 [2021-03-11 20:00:14,275 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 98 transitions, 1375 flow. Second operand has 4 states, 4 states have (on average 181.75) internal successors, (727), 4 states have internal predecessors, (727), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:00:14,275 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 20:00:14,275 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 213 [2021-03-11 20:00:14,275 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 20:00:14,491 INFO L129 PetriNetUnfolder]: 607/1624 cut-off events. [2021-03-11 20:00:14,491 INFO L130 PetriNetUnfolder]: For 6192/7050 co-relation queries the response was YES. [2021-03-11 20:00:14,499 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6440 conditions, 1624 events. 607/1624 cut-off events. For 6192/7050 co-relation queries the response was YES. Maximal size of possible extension queue 158. Compared 13185 event pairs, 138 based on Foata normal form. 291/1840 useless extension candidates. Maximal degree in co-relation 6402. Up to 831 conditions per place. [2021-03-11 20:00:14,508 INFO L132 encePairwiseOnDemand]: 207/213 looper letters, 5 selfloop transitions, 9 changer transitions 2/102 dead transitions. [2021-03-11 20:00:14,508 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 102 transitions, 1419 flow [2021-03-11 20:00:14,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-11 20:00:14,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-11 20:00:14,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 739 transitions. [2021-03-11 20:00:14,510 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.8673708920187794 [2021-03-11 20:00:14,510 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 739 transitions. [2021-03-11 20:00:14,510 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 739 transitions. [2021-03-11 20:00:14,511 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 20:00:14,511 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 739 transitions. [2021-03-11 20:00:14,512 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 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) [2021-03-11 20:00:14,513 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 213.0) internal successors, (1065), 5 states have internal predecessors, (1065), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:00:14,514 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 213.0) internal successors, (1065), 5 states have internal predecessors, (1065), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:00:14,514 INFO L185 Difference]: Start difference. First operand has 78 places, 98 transitions, 1375 flow. Second operand 4 states and 739 transitions. [2021-03-11 20:00:14,514 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 102 transitions, 1419 flow [2021-03-11 20:00:14,529 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 102 transitions, 1409 flow, removed 5 selfloop flow, removed 0 redundant places. [2021-03-11 20:00:14,532 INFO L241 Difference]: Finished difference. Result has 82 places, 100 transitions, 1371 flow [2021-03-11 20:00:14,532 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=213, PETRI_DIFFERENCE_MINUEND_FLOW=1365, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=98, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=1371, PETRI_PLACES=82, PETRI_TRANSITIONS=100} [2021-03-11 20:00:14,532 INFO L335 CegarLoopForPetriNet]: 45 programPoint places, 37 predicate places. [2021-03-11 20:00:14,532 INFO L480 AbstractCegarLoop]: Abstraction has has 82 places, 100 transitions, 1371 flow [2021-03-11 20:00:14,532 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 181.75) internal successors, (727), 4 states have internal predecessors, (727), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:00:14,532 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 20:00:14,532 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 20:00:14,533 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-11 20:00:14,533 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 20:00:14,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 20:00:14,533 INFO L82 PathProgramCache]: Analyzing trace with hash 1469790847, now seen corresponding path program 1 times [2021-03-11 20:00:14,533 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 20:00:14,533 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795326764] [2021-03-11 20:00:14,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 20:00:14,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 20:00:14,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:00:14,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 20:00:14,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:00:14,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 20:00:14,592 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-03-11 20:00:14,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-11 20:00:14,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:00:14,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 20:00:14,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 20:00:14,606 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795326764] [2021-03-11 20:00:14,606 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 20:00:14,606 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-11 20:00:14,606 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340465024] [2021-03-11 20:00:14,606 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-11 20:00:14,606 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 20:00:14,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-11 20:00:14,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-03-11 20:00:14,608 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 213 [2021-03-11 20:00:14,609 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 100 transitions, 1371 flow. Second operand has 5 states, 5 states have (on average 154.0) internal successors, (770), 5 states have internal predecessors, (770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:00:14,609 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 20:00:14,609 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 213 [2021-03-11 20:00:14,609 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 20:00:14,885 INFO L129 PetriNetUnfolder]: 851/2334 cut-off events. [2021-03-11 20:00:14,885 INFO L130 PetriNetUnfolder]: For 14215/15062 co-relation queries the response was YES. [2021-03-11 20:00:14,897 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10432 conditions, 2334 events. 851/2334 cut-off events. For 14215/15062 co-relation queries the response was YES. Maximal size of possible extension queue 217. Compared 20574 event pairs, 121 based on Foata normal form. 154/2404 useless extension candidates. Maximal degree in co-relation 10391. Up to 1120 conditions per place. [2021-03-11 20:00:14,908 INFO L132 encePairwiseOnDemand]: 201/213 looper letters, 43 selfloop transitions, 90 changer transitions 5/164 dead transitions. [2021-03-11 20:00:14,908 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 164 transitions, 2664 flow [2021-03-11 20:00:14,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-11 20:00:14,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-11 20:00:14,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1109 transitions. [2021-03-11 20:00:14,910 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.743796109993293 [2021-03-11 20:00:14,911 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1109 transitions. [2021-03-11 20:00:14,911 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1109 transitions. [2021-03-11 20:00:14,911 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 20:00:14,911 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1109 transitions. [2021-03-11 20:00:14,913 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 158.42857142857142) internal successors, (1109), 7 states have internal predecessors, (1109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:00:14,915 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 213.0) internal successors, (1704), 8 states have internal predecessors, (1704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:00:14,915 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 213.0) internal successors, (1704), 8 states have internal predecessors, (1704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:00:14,915 INFO L185 Difference]: Start difference. First operand has 82 places, 100 transitions, 1371 flow. Second operand 7 states and 1109 transitions. [2021-03-11 20:00:14,915 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 164 transitions, 2664 flow [2021-03-11 20:00:14,939 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 164 transitions, 2646 flow, removed 4 selfloop flow, removed 2 redundant places. [2021-03-11 20:00:14,942 INFO L241 Difference]: Finished difference. Result has 91 places, 145 transitions, 2496 flow [2021-03-11 20:00:14,942 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=213, PETRI_DIFFERENCE_MINUEND_FLOW=1353, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=100, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=52, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=2496, PETRI_PLACES=91, PETRI_TRANSITIONS=145} [2021-03-11 20:00:14,942 INFO L335 CegarLoopForPetriNet]: 45 programPoint places, 46 predicate places. [2021-03-11 20:00:14,942 INFO L480 AbstractCegarLoop]: Abstraction has has 91 places, 145 transitions, 2496 flow [2021-03-11 20:00:14,943 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 154.0) internal successors, (770), 5 states have internal predecessors, (770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:00:14,943 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 20:00:14,943 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 20:00:14,943 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-11 20:00:14,943 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 20:00:14,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 20:00:14,943 INFO L82 PathProgramCache]: Analyzing trace with hash -495198701, now seen corresponding path program 2 times [2021-03-11 20:00:14,943 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 20:00:14,943 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122689340] [2021-03-11 20:00:14,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 20:00:14,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 20:00:14,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:00:14,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 20:00:14,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:00:14,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 20:00:14,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:00:14,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 20:00:15,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:00:15,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 20:00:15,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 20:00:15,002 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122689340] [2021-03-11 20:00:15,002 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 20:00:15,002 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-11 20:00:15,002 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995650605] [2021-03-11 20:00:15,002 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-11 20:00:15,002 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 20:00:15,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-11 20:00:15,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-03-11 20:00:15,003 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 213 [2021-03-11 20:00:15,004 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 145 transitions, 2496 flow. Second operand has 5 states, 5 states have (on average 181.8) internal successors, (909), 5 states have internal predecessors, (909), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:00:15,004 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 20:00:15,004 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 213 [2021-03-11 20:00:15,004 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 20:00:15,194 INFO L129 PetriNetUnfolder]: 571/1459 cut-off events. [2021-03-11 20:00:15,194 INFO L130 PetriNetUnfolder]: For 10307/11335 co-relation queries the response was YES. [2021-03-11 20:00:15,203 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7262 conditions, 1459 events. 571/1459 cut-off events. For 10307/11335 co-relation queries the response was YES. Maximal size of possible extension queue 139. Compared 11050 event pairs, 29 based on Foata normal form. 580/1987 useless extension candidates. Maximal degree in co-relation 7216. Up to 574 conditions per place. [2021-03-11 20:00:15,209 INFO L132 encePairwiseOnDemand]: 207/213 looper letters, 5 selfloop transitions, 13 changer transitions 8/145 dead transitions. [2021-03-11 20:00:15,209 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 145 transitions, 2463 flow [2021-03-11 20:00:15,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-11 20:00:15,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-11 20:00:15,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 924 transitions. [2021-03-11 20:00:15,211 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.8676056338028169 [2021-03-11 20:00:15,211 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 924 transitions. [2021-03-11 20:00:15,211 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 924 transitions. [2021-03-11 20:00:15,212 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 20:00:15,212 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 924 transitions. [2021-03-11 20:00:15,213 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 184.8) internal successors, (924), 5 states have internal predecessors, (924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:00:15,214 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 213.0) internal successors, (1278), 6 states have internal predecessors, (1278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:00:15,215 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 213.0) internal successors, (1278), 6 states have internal predecessors, (1278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:00:15,215 INFO L185 Difference]: Start difference. First operand has 91 places, 145 transitions, 2496 flow. Second operand 5 states and 924 transitions. [2021-03-11 20:00:15,215 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 145 transitions, 2463 flow [2021-03-11 20:00:15,236 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 145 transitions, 2437 flow, removed 13 selfloop flow, removed 0 redundant places. [2021-03-11 20:00:15,239 INFO L241 Difference]: Finished difference. Result has 96 places, 137 transitions, 2307 flow [2021-03-11 20:00:15,239 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=213, PETRI_DIFFERENCE_MINUEND_FLOW=2377, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=141, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=128, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=2307, PETRI_PLACES=96, PETRI_TRANSITIONS=137} [2021-03-11 20:00:15,239 INFO L335 CegarLoopForPetriNet]: 45 programPoint places, 51 predicate places. [2021-03-11 20:00:15,239 INFO L480 AbstractCegarLoop]: Abstraction has has 96 places, 137 transitions, 2307 flow [2021-03-11 20:00:15,239 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 181.8) internal successors, (909), 5 states have internal predecessors, (909), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:00:15,240 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 20:00:15,240 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 20:00:15,240 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-11 20:00:15,240 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 20:00:15,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 20:00:15,240 INFO L82 PathProgramCache]: Analyzing trace with hash 1334312965, now seen corresponding path program 1 times [2021-03-11 20:00:15,240 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 20:00:15,242 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123119116] [2021-03-11 20:00:15,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 20:00:15,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 20:00:15,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:00:15,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 20:00:15,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:00:15,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 20:00:15,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:00:15,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 20:00:15,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:00:15,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 20:00:15,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:00:15,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 20:00:15,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 20:00:15,336 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123119116] [2021-03-11 20:00:15,336 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 20:00:15,336 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-11 20:00:15,336 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133196607] [2021-03-11 20:00:15,337 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-11 20:00:15,337 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 20:00:15,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-11 20:00:15,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-03-11 20:00:15,338 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 213 [2021-03-11 20:00:15,338 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 137 transitions, 2307 flow. Second operand has 6 states, 6 states have (on average 181.83333333333334) internal successors, (1091), 6 states have internal predecessors, (1091), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:00:15,338 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 20:00:15,339 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 213 [2021-03-11 20:00:15,339 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 20:00:15,487 INFO L129 PetriNetUnfolder]: 542/1251 cut-off events. [2021-03-11 20:00:15,487 INFO L130 PetriNetUnfolder]: For 9890/11265 co-relation queries the response was YES. [2021-03-11 20:00:15,494 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7118 conditions, 1251 events. 542/1251 cut-off events. For 9890/11265 co-relation queries the response was YES. Maximal size of possible extension queue 139. Compared 9112 event pairs, 19 based on Foata normal form. 544/1744 useless extension candidates. Maximal degree in co-relation 7078. Up to 484 conditions per place. [2021-03-11 20:00:15,497 INFO L132 encePairwiseOnDemand]: 207/213 looper letters, 1 selfloop transitions, 17 changer transitions 28/137 dead transitions. [2021-03-11 20:00:15,497 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 137 transitions, 2343 flow [2021-03-11 20:00:15,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-11 20:00:15,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-11 20:00:15,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1105 transitions. [2021-03-11 20:00:15,500 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.8646322378716745 [2021-03-11 20:00:15,500 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1105 transitions. [2021-03-11 20:00:15,500 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1105 transitions. [2021-03-11 20:00:15,500 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 20:00:15,500 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1105 transitions. [2021-03-11 20:00:15,502 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 184.16666666666666) internal successors, (1105), 6 states have internal predecessors, (1105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:00:15,503 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 213.0) internal successors, (1491), 7 states have internal predecessors, (1491), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:00:15,504 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 213.0) internal successors, (1491), 7 states have internal predecessors, (1491), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:00:15,504 INFO L185 Difference]: Start difference. First operand has 96 places, 137 transitions, 2307 flow. Second operand 6 states and 1105 transitions. [2021-03-11 20:00:15,504 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 137 transitions, 2343 flow [2021-03-11 20:00:15,528 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 137 transitions, 2246 flow, removed 31 selfloop flow, removed 11 redundant places. [2021-03-11 20:00:15,531 INFO L241 Difference]: Finished difference. Result has 86 places, 109 transitions, 1692 flow [2021-03-11 20:00:15,531 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=213, PETRI_DIFFERENCE_MINUEND_FLOW=2210, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=137, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=120, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1692, PETRI_PLACES=86, PETRI_TRANSITIONS=109} [2021-03-11 20:00:15,531 INFO L335 CegarLoopForPetriNet]: 45 programPoint places, 41 predicate places. [2021-03-11 20:00:15,531 INFO L480 AbstractCegarLoop]: Abstraction has has 86 places, 109 transitions, 1692 flow [2021-03-11 20:00:15,532 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 181.83333333333334) internal successors, (1091), 6 states have internal predecessors, (1091), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:00:15,532 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 20:00:15,532 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 20:00:15,532 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-03-11 20:00:15,532 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 20:00:15,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 20:00:15,532 INFO L82 PathProgramCache]: Analyzing trace with hash -1734873860, now seen corresponding path program 1 times [2021-03-11 20:00:15,533 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 20:00:15,533 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333304911] [2021-03-11 20:00:15,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 20:00:15,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-11 20:00:15,597 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-11 20:00:15,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-11 20:00:15,669 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-11 20:00:15,689 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-11 20:00:15,689 INFO L620 BasicCegarLoop]: Counterexample might be feasible [2021-03-11 20:00:15,689 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-03-11 20:00:15,752 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.03 08:00:15 BasicIcfg [2021-03-11 20:00:15,752 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-11 20:00:15,753 INFO L168 Benchmark]: Toolchain (without parser) took 10210.83 ms. Allocated memory was 362.8 MB in the beginning and 671.1 MB in the end (delta: 308.3 MB). Free memory was 325.8 MB in the beginning and 331.3 MB in the end (delta: -5.5 MB). Peak memory consumption was 304.7 MB. Max. memory is 16.0 GB. [2021-03-11 20:00:15,753 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 362.8 MB. Free memory was 344.1 MB in the beginning and 344.1 MB in the end (delta: 70.9 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-11 20:00:15,753 INFO L168 Benchmark]: CACSL2BoogieTranslator took 437.66 ms. Allocated memory is still 362.8 MB. Free memory was 325.1 MB in the beginning and 320.3 MB in the end (delta: 4.9 MB). Peak memory consumption was 7.3 MB. Max. memory is 16.0 GB. [2021-03-11 20:00:15,753 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.96 ms. Allocated memory is still 362.8 MB. Free memory was 320.3 MB in the beginning and 317.1 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-03-11 20:00:15,754 INFO L168 Benchmark]: Boogie Preprocessor took 30.37 ms. Allocated memory is still 362.8 MB. Free memory was 317.1 MB in the beginning and 315.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-11 20:00:15,754 INFO L168 Benchmark]: RCFGBuilder took 1391.82 ms. Allocated memory is still 362.8 MB. Free memory was 315.0 MB in the beginning and 270.4 MB in the end (delta: 44.6 MB). Peak memory consumption was 189.3 MB. Max. memory is 16.0 GB. [2021-03-11 20:00:15,754 INFO L168 Benchmark]: TraceAbstraction took 8313.37 ms. Allocated memory was 362.8 MB in the beginning and 671.1 MB in the end (delta: 308.3 MB). Free memory was 269.4 MB in the beginning and 331.3 MB in the end (delta: -61.9 MB). Peak memory consumption was 246.4 MB. Max. memory is 16.0 GB. [2021-03-11 20:00:15,755 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 362.8 MB. Free memory was 344.1 MB in the beginning and 344.1 MB in the end (delta: 70.9 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 437.66 ms. Allocated memory is still 362.8 MB. Free memory was 325.1 MB in the beginning and 320.3 MB in the end (delta: 4.9 MB). Peak memory consumption was 7.3 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 29.96 ms. Allocated memory is still 362.8 MB. Free memory was 320.3 MB in the beginning and 317.1 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 30.37 ms. Allocated memory is still 362.8 MB. Free memory was 317.1 MB in the beginning and 315.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 1391.82 ms. Allocated memory is still 362.8 MB. Free memory was 315.0 MB in the beginning and 270.4 MB in the end (delta: 44.6 MB). Peak memory consumption was 189.3 MB. Max. memory is 16.0 GB. * TraceAbstraction took 8313.37 ms. Allocated memory was 362.8 MB in the beginning and 671.1 MB in the end (delta: 308.3 MB). Free memory was 269.4 MB in the beginning and 331.3 MB in the end (delta: -61.9 MB). Peak memory consumption was 246.4 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4129.1ms, 126 PlacesBefore, 45 PlacesAfterwards, 115 TransitionsBefore, 33 TransitionsAfterwards, 2886 CoEnabledTransitionPairs, 6 FixpointIterations, 41 TrivialSequentialCompositions, 40 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 12 ConcurrentYvCompositions, 1 ChoiceCompositions, 94 TotalNumberOfCompositions, 8224 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3949, positive: 3736, positive conditional: 0, positive unconditional: 3736, negative: 213, negative conditional: 0, negative unconditional: 213, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2076, positive: 2017, positive conditional: 0, positive unconditional: 2017, negative: 59, negative conditional: 0, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2076, positive: 1980, positive conditional: 0, positive unconditional: 1980, negative: 96, negative conditional: 0, negative unconditional: 96, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 96, positive: 37, positive conditional: 0, positive unconditional: 37, negative: 59, negative conditional: 0, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 503, positive: 85, positive conditional: 0, positive unconditional: 85, negative: 418, negative conditional: 0, negative unconditional: 418, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3949, positive: 1719, positive conditional: 0, positive unconditional: 1719, negative: 154, negative conditional: 0, negative unconditional: 154, unknown: 2076, unknown conditional: 0, unknown unconditional: 2076] , Statistics on independence cache: Total cache size (in pairs): 323, Positive cache size: 287, Positive conditional cache size: 0, Positive unconditional cache size: 287, Negative cache size: 36, Negative conditional cache size: 0, Negative unconditional cache size: 36 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L710] 0 int __unbuffered_cnt = 0; [L712] 0 int __unbuffered_p2_EAX = 0; [L714] 0 int __unbuffered_p2_EBX = 0; [L716] 0 int __unbuffered_p3_EAX = 0; [L718] 0 int __unbuffered_p3_EBX = 0; [L720] 0 int a = 0; [L721] 0 _Bool a$flush_delayed; [L722] 0 int a$mem_tmp; [L723] 0 _Bool a$r_buff0_thd0; [L724] 0 _Bool a$r_buff0_thd1; [L725] 0 _Bool a$r_buff0_thd2; [L726] 0 _Bool a$r_buff0_thd3; [L727] 0 _Bool a$r_buff0_thd4; [L728] 0 _Bool a$r_buff1_thd0; [L729] 0 _Bool a$r_buff1_thd1; [L730] 0 _Bool a$r_buff1_thd2; [L731] 0 _Bool a$r_buff1_thd3; [L732] 0 _Bool a$r_buff1_thd4; [L733] 0 _Bool a$read_delayed; [L734] 0 int *a$read_delayed_var; [L735] 0 int a$w_buff0; [L736] 0 _Bool a$w_buff0_used; [L737] 0 int a$w_buff1; [L738] 0 _Bool a$w_buff1_used; [L739] 0 _Bool main$tmp_guard0; [L740] 0 _Bool main$tmp_guard1; [L742] 0 int x = 0; [L744] 0 int y = 0; [L746] 0 int z = 0; [L747] 0 _Bool weak$$choice0; [L748] 0 _Bool weak$$choice2; [L869] 0 pthread_t t225; [L870] FCALL, FORK 0 pthread_create(&t225, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L752] 1 a$w_buff1 = a$w_buff0 [L753] 1 a$w_buff0 = 1 [L754] 1 a$w_buff1_used = a$w_buff0_used [L755] 1 a$w_buff0_used = (_Bool)1 [L18] COND FALSE 1 !(!expression) [L757] 1 a$r_buff1_thd0 = a$r_buff0_thd0 [L758] 1 a$r_buff1_thd1 = a$r_buff0_thd1 [L759] 1 a$r_buff1_thd2 = a$r_buff0_thd2 [L760] 1 a$r_buff1_thd3 = a$r_buff0_thd3 [L761] 1 a$r_buff1_thd4 = a$r_buff0_thd4 [L762] 1 a$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L765] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L871] 0 pthread_t t226; [L872] FCALL, FORK 0 pthread_create(&t226, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L782] 2 x = 2 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, z=0] [L785] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=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, z=0] [L873] 0 pthread_t t227; [L874] FCALL, FORK 0 pthread_create(&t227, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=0] [L802] 3 y = 2 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z=0] [L805] 3 __unbuffered_p2_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z=0] [L808] 3 __unbuffered_p2_EBX = z VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z=0] [L875] 0 pthread_t t228; [L876] FCALL, FORK 0 pthread_create(&t228, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z=0] [L825] 4 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z=1] [L828] 4 __unbuffered_p3_EAX = z VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z=1] [L831] 4 weak$$choice0 = __VERIFIER_nondet_bool() [L832] 4 weak$$choice2 = __VERIFIER_nondet_bool() [L833] 4 a$flush_delayed = weak$$choice2 [L834] 4 a$mem_tmp = a [L835] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff1) [L835] 4 a = !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff1) [L836] EXPR 4 weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff0)) [L836] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff0) [L836] EXPR 4 weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff0)) [L836] 4 a$w_buff0 = weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff0)) [L837] EXPR 4 weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff1 : a$w_buff1)) [L837] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff1 : a$w_buff1) [L837] EXPR 4 weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff1 : a$w_buff1)) [L837] 4 a$w_buff1 = weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff1 : a$w_buff1)) [L838] EXPR 4 weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used)) [L838] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used) [L838] EXPR 4 weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used)) [L838] 4 a$w_buff0_used = weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used)) [L839] EXPR 4 weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L839] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0) [L839] EXPR 4 weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L839] 4 a$w_buff1_used = weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L840] EXPR 4 weak$$choice2 ? a$r_buff0_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff0_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4)) [L840] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff0_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4) [L840] EXPR 4 weak$$choice2 ? a$r_buff0_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff0_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4)) [L840] 4 a$r_buff0_thd4 = weak$$choice2 ? a$r_buff0_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff0_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4)) [L841] EXPR 4 weak$$choice2 ? a$r_buff1_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff1_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L841] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff1_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0) [L841] EXPR 4 weak$$choice2 ? a$r_buff1_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff1_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L841] 4 a$r_buff1_thd4 = weak$$choice2 ? a$r_buff1_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff1_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L842] 4 __unbuffered_p3_EBX = a [L843] EXPR 4 a$flush_delayed ? a$mem_tmp : a [L843] 4 a = a$flush_delayed ? a$mem_tmp : a [L844] 4 a$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, y=2, z=1] [L788] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) [L788] EXPR 2 a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a [L788] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) [L788] 2 a = a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) [L789] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$w_buff0_used [L789] 2 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$w_buff0_used [L790] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$w_buff1_used [L790] 2 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$w_buff1_used [L791] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$r_buff0_thd2 [L791] 2 a$r_buff0_thd2 = a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$r_buff0_thd2 [L792] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$r_buff1_thd2 [L792] 2 a$r_buff1_thd2 = a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$r_buff1_thd2 [L768] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd1 ? a$w_buff1 : a) [L768] 1 a = a$w_buff0_used && a$r_buff0_thd1 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd1 ? a$w_buff1 : a) [L769] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$w_buff0_used [L769] 1 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$w_buff0_used [L770] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$w_buff1_used [L770] 1 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$w_buff1_used [L771] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$r_buff0_thd1 [L771] 1 a$r_buff0_thd1 = a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$r_buff0_thd1 [L772] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$r_buff1_thd1 [L772] 1 a$r_buff1_thd1 = a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$r_buff1_thd1 [L775] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L777] 1 return 0; [L795] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L797] 2 return 0; [L811] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a) [L811] EXPR 3 a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a [L811] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a) [L811] 3 a = a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a) [L812] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used [L812] 3 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used [L813] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$w_buff1_used [L813] 3 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$w_buff1_used [L814] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3 [L814] 3 a$r_buff0_thd3 = a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3 [L815] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$r_buff1_thd3 [L815] 3 a$r_buff1_thd3 = a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$r_buff1_thd3 [L818] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L820] 3 return 0; [L847] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd4 ? a$w_buff1 : a) [L847] EXPR 4 a$w_buff1_used && a$r_buff1_thd4 ? a$w_buff1 : a [L847] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd4 ? a$w_buff1 : a) [L847] 4 a = a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd4 ? a$w_buff1 : a) [L848] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used [L848] 4 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used [L849] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$w_buff1_used [L849] 4 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$w_buff1_used [L850] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4 [L850] 4 a$r_buff0_thd4 = a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4 [L851] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$r_buff1_thd4 [L851] 4 a$r_buff1_thd4 = a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$r_buff1_thd4 [L854] 4 __unbuffered_cnt = __unbuffered_cnt + 1 [L856] 4 return 0; [L878] 0 main$tmp_guard0 = __unbuffered_cnt == 4 [L3] COND FALSE 0 !(!cond) VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, y=2, z=1] [L882] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a) [L882] EXPR 0 a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a [L882] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a) [L882] 0 a = a$w_buff0_used && a$r_buff0_thd0 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a) [L883] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$w_buff0_used [L883] 0 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$w_buff0_used [L884] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$w_buff1_used [L884] 0 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$w_buff1_used [L885] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$r_buff0_thd0 [L885] 0 a$r_buff0_thd0 = a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$r_buff0_thd0 [L886] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$r_buff1_thd0 [L886] 0 a$r_buff1_thd0 = a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$r_buff1_thd0 [L889] 0 main$tmp_guard1 = !(x == 2 && y == 2 && __unbuffered_p2_EAX == 2 && __unbuffered_p2_EBX == 0 && __unbuffered_p3_EAX == 1 && __unbuffered_p3_EBX == 0) [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, y=2, z=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 118 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 1.1ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 8166.6ms, OverallIterations: 13, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 2832.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 4179.6ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 178 SDtfs, 134 SDslu, 213 SDs, 0 SdLazy, 293 SolverSat, 56 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 289.8ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 52 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 214.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=2496occurred in iteration=10, InterpolantAutomatonStates: 68, 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: 32.1ms SsaConstructionTime, 375.9ms SatisfiabilityAnalysisTime, 481.0ms InterpolantComputationTime, 229 NumberOfCodeBlocks, 229 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 187 ConstructedInterpolants, 0 QuantifiedInterpolants, 1400 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...