/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/mix020_rmo.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-24 19:33:43,908 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-24 19:33:43,910 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-24 19:33:43,937 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-24 19:33:43,938 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-24 19:33:43,939 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-24 19:33:43,940 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-24 19:33:43,948 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-24 19:33:43,950 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-24 19:33:43,954 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-24 19:33:43,955 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-24 19:33:43,956 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-24 19:33:43,957 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-24 19:33:43,958 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-24 19:33:43,959 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-24 19:33:43,962 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-24 19:33:43,963 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-24 19:33:43,964 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-24 19:33:43,968 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-24 19:33:43,974 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-24 19:33:43,976 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-24 19:33:43,980 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-24 19:33:43,981 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-24 19:33:43,981 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-24 19:33:43,986 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-24 19:33:43,992 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-24 19:33:43,993 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-24 19:33:43,993 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-24 19:33:43,999 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 [2021-03-24 19:33:44,030 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-24 19:33:44,030 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-24 19:33:44,033 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-24 19:33:44,033 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-24 19:33:44,034 INFO L138 SettingsManager]: * Use SBE=true [2021-03-24 19:33:44,034 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-24 19:33:44,034 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-24 19:33:44,034 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-24 19:33:44,034 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-24 19:33:44,034 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-24 19:33:44,035 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-24 19:33:44,035 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-24 19:33:44,035 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-24 19:33:44,035 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-24 19:33:44,036 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-24 19:33:44,036 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-24 19:33:44,036 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-24 19:33:44,036 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-24 19:33:44,036 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-24 19:33:44,036 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-24 19:33:44,037 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-24 19:33:44,037 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-24 19:33:44,037 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-24 19:33:44,037 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-24 19:33:44,037 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-24 19:33:44,037 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-24 19:33:44,037 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-24 19:33:44,038 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-24 19:33:44,038 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-24 19:33:44,357 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-24 19:33:44,374 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-24 19:33:44,375 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-24 19:33:44,376 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-24 19:33:44,377 INFO L275 PluginConnector]: CDTParser initialized [2021-03-24 19:33:44,378 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix020_rmo.oepc.i [2021-03-24 19:33:44,434 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/faf91dbfb/7377911e15054b4cbefe81a7ae02901f/FLAGea40d6ecb [2021-03-24 19:33:44,998 INFO L306 CDTParser]: Found 1 translation units. [2021-03-24 19:33:44,998 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix020_rmo.oepc.i [2021-03-24 19:33:45,013 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/faf91dbfb/7377911e15054b4cbefe81a7ae02901f/FLAGea40d6ecb [2021-03-24 19:33:45,427 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/faf91dbfb/7377911e15054b4cbefe81a7ae02901f [2021-03-24 19:33:45,429 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-24 19:33:45,430 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-24 19:33:45,434 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-24 19:33:45,434 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-24 19:33:45,437 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-24 19:33:45,438 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.03 07:33:45" (1/1) ... [2021-03-24 19:33:45,438 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27ceee96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 07:33:45, skipping insertion in model container [2021-03-24 19:33:45,439 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.03 07:33:45" (1/1) ... [2021-03-24 19:33:45,444 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-24 19:33:45,476 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-24 19:33:45,623 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/mix020_rmo.oepc.i[949,962] [2021-03-24 19:33:45,832 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-24 19:33:45,842 INFO L203 MainTranslator]: Completed pre-run [2021-03-24 19:33:45,853 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/mix020_rmo.oepc.i[949,962] [2021-03-24 19:33:45,919 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-24 19:33:45,994 INFO L208 MainTranslator]: Completed translation [2021-03-24 19:33:45,995 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 07:33:45 WrapperNode [2021-03-24 19:33:45,995 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-24 19:33:45,996 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-24 19:33:45,996 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-24 19:33:45,997 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-24 19:33:46,003 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 07:33:45" (1/1) ... [2021-03-24 19:33:46,035 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 07:33:45" (1/1) ... [2021-03-24 19:33:46,069 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-24 19:33:46,070 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-24 19:33:46,070 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-24 19:33:46,070 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-24 19:33:46,077 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 07:33:45" (1/1) ... [2021-03-24 19:33:46,077 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 07:33:45" (1/1) ... [2021-03-24 19:33:46,092 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 07:33:45" (1/1) ... [2021-03-24 19:33:46,093 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 07:33:45" (1/1) ... [2021-03-24 19:33:46,100 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 07:33:45" (1/1) ... [2021-03-24 19:33:46,117 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 07:33:45" (1/1) ... [2021-03-24 19:33:46,119 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 07:33:45" (1/1) ... [2021-03-24 19:33:46,123 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-24 19:33:46,123 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-24 19:33:46,123 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-24 19:33:46,124 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-24 19:33:46,124 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 07:33:45" (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 [2021-03-24 19:33:46,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-24 19:33:46,218 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-24 19:33:46,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-24 19:33:46,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-24 19:33:46,220 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-03-24 19:33:46,220 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-03-24 19:33:46,221 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-03-24 19:33:46,221 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-03-24 19:33:46,221 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-03-24 19:33:46,222 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-03-24 19:33:46,222 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-03-24 19:33:46,222 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-03-24 19:33:46,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-24 19:33:46,222 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-24 19:33:46,222 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-24 19:33:46,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-24 19:33:46,224 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-24 19:33:48,101 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-24 19:33:48,101 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-03-24 19:33:48,103 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.03 07:33:48 BoogieIcfgContainer [2021-03-24 19:33:48,103 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-24 19:33:48,105 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-24 19:33:48,105 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-24 19:33:48,108 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-24 19:33:48,108 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.03 07:33:45" (1/3) ... [2021-03-24 19:33:48,108 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b938a83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.03 07:33:48, skipping insertion in model container [2021-03-24 19:33:48,109 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 07:33:45" (2/3) ... [2021-03-24 19:33:48,109 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b938a83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.03 07:33:48, skipping insertion in model container [2021-03-24 19:33:48,109 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.03 07:33:48" (3/3) ... [2021-03-24 19:33:48,110 INFO L111 eAbstractionObserver]: Analyzing ICFG mix020_rmo.oepc.i [2021-03-24 19:33:48,116 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-24 19:33:48,120 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-03-24 19:33:48,120 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-24 19:33:48,159 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,159 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,159 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,159 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,159 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,160 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,160 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,160 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,160 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,160 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,160 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,160 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,161 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,161 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,161 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,161 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,161 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,161 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,161 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,162 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,162 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,162 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,162 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,163 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,163 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,163 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,163 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,163 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,163 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,163 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,164 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,164 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,164 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,164 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,164 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,164 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,165 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,165 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,165 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,165 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,165 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,165 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,165 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,165 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,166 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,166 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,166 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,166 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,166 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,166 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,167 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,167 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,167 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,167 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,167 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,167 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,168 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,168 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,168 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,168 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,168 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,168 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,169 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,169 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,169 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,169 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,169 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,169 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,169 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,170 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,170 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,170 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,170 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,170 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,170 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,171 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,171 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,171 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,171 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,171 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,171 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,171 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,172 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,172 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,172 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,172 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,172 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,173 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,173 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,173 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,173 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,173 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,173 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,173 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,174 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,174 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,174 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,174 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,174 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,174 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,174 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,174 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,175 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,175 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,175 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,175 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,175 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,175 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,175 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,175 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,176 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,176 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,176 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,176 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,176 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,176 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,176 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,176 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,176 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,177 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,177 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,177 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,177 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,177 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,177 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,177 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,177 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,177 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,177 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,178 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,178 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,178 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,180 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,180 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,180 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,180 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,180 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,180 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,180 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,181 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,181 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,181 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,181 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,181 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,181 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,181 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,181 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,181 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,181 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,181 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,182 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,182 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,182 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,182 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,182 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,182 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,182 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,182 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,182 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,182 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,182 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,182 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,183 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,183 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,183 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,183 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,183 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,183 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,183 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,183 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,185 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,185 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,185 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,185 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,185 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,185 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,185 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,186 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,186 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,186 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,186 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,186 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,186 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,186 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,187 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,187 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,187 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,187 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,189 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,189 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,189 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,189 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,189 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,189 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,190 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,190 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,190 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,190 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,190 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,190 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,192 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,192 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,192 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,192 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,192 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,192 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,192 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,192 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,192 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,193 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,194 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,194 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,194 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,194 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,194 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,194 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,194 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,194 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,194 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,195 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,203 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,203 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,203 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,204 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,204 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,204 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,204 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,204 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,204 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,204 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,204 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,204 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,205 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,205 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,205 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,205 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,205 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,205 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,205 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,205 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,206 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,206 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,206 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,206 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,206 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,206 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,206 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,206 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,206 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,207 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,207 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,207 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,207 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:33:48,208 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-24 19:33:48,224 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-03-24 19:33:48,240 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-24 19:33:48,240 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-24 19:33:48,241 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-24 19:33:48,241 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-24 19:33:48,241 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-24 19:33:48,241 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-24 19:33:48,241 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-24 19:33:48,241 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-24 19:33:48,250 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 129 places, 118 transitions, 256 flow [2021-03-24 19:33:48,284 INFO L129 PetriNetUnfolder]: 2/114 cut-off events. [2021-03-24 19:33:48,284 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-24 19:33:48,288 INFO L84 FinitePrefix]: Finished finitePrefix Result has 127 conditions, 114 events. 2/114 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 87 event pairs, 0 based on Foata normal form. 0/110 useless extension candidates. Maximal degree in co-relation 77. Up to 2 conditions per place. [2021-03-24 19:33:48,288 INFO L82 GeneralOperation]: Start removeDead. Operand has 129 places, 118 transitions, 256 flow [2021-03-24 19:33:48,292 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 125 places, 114 transitions, 240 flow [2021-03-24 19:33:48,293 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-24 19:33:48,304 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 125 places, 114 transitions, 240 flow [2021-03-24 19:33:48,307 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 125 places, 114 transitions, 240 flow [2021-03-24 19:33:48,308 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 125 places, 114 transitions, 240 flow [2021-03-24 19:33:48,327 INFO L129 PetriNetUnfolder]: 2/114 cut-off events. [2021-03-24 19:33:48,327 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-24 19:33:48,328 INFO L84 FinitePrefix]: Finished finitePrefix Result has 127 conditions, 114 events. 2/114 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 88 event pairs, 0 based on Foata normal form. 0/110 useless extension candidates. Maximal degree in co-relation 77. Up to 2 conditions per place. [2021-03-24 19:33:48,331 INFO L142 LiptonReduction]: Number of co-enabled transitions 2774 [2021-03-24 19:33:49,696 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2021-03-24 19:33:50,066 WARN L205 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 81 [2021-03-24 19:33:50,188 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-03-24 19:33:51,437 INFO L154 LiptonReduction]: Checked pairs total: 4931 [2021-03-24 19:33:51,437 INFO L156 LiptonReduction]: Total number of compositions: 72 [2021-03-24 19:33:51,439 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3146 [2021-03-24 19:33:51,448 INFO L129 PetriNetUnfolder]: 0/15 cut-off events. [2021-03-24 19:33:51,448 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-24 19:33:51,448 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:33:51,448 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 19:33:51,449 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:33:51,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:33:51,452 INFO L82 PathProgramCache]: Analyzing trace with hash 1169704059, now seen corresponding path program 1 times [2021-03-24 19:33:51,457 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:33:51,458 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710979695] [2021-03-24 19:33:51,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:33:51,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 19:33:51,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:33:51,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:33:51,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:33:51,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:33:51,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 19:33:51,693 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710979695] [2021-03-24 19:33:51,693 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 19:33:51,694 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-24 19:33:51,694 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403767436] [2021-03-24 19:33:51,700 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-24 19:33:51,700 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 19:33:51,710 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-24 19:33:51,711 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-24 19:33:51,713 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 190 [2021-03-24 19:33:51,718 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 48 transitions, 108 flow. Second operand has 3 states, 3 states have (on average 169.66666666666666) internal successors, (509), 3 states have internal predecessors, (509), 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) [2021-03-24 19:33:51,718 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 19:33:51,718 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 190 [2021-03-24 19:33:51,719 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 19:33:51,863 INFO L129 PetriNetUnfolder]: 133/370 cut-off events. [2021-03-24 19:33:51,864 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-24 19:33:51,868 INFO L84 FinitePrefix]: Finished finitePrefix Result has 589 conditions, 370 events. 133/370 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 2058 event pairs, 110 based on Foata normal form. 32/373 useless extension candidates. Maximal degree in co-relation 567. Up to 153 conditions per place. [2021-03-24 19:33:51,871 INFO L132 encePairwiseOnDemand]: 186/190 looper letters, 11 selfloop transitions, 2 changer transitions 0/50 dead transitions. [2021-03-24 19:33:51,871 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 50 transitions, 138 flow [2021-03-24 19:33:51,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-24 19:33:51,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-24 19:33:51,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 523 transitions. [2021-03-24 19:33:51,889 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9175438596491228 [2021-03-24 19:33:51,889 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 523 transitions. [2021-03-24 19:33:51,890 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 523 transitions. [2021-03-24 19:33:51,893 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 19:33:51,895 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 523 transitions. [2021-03-24 19:33:51,900 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 174.33333333333334) internal successors, (523), 3 states have internal predecessors, (523), 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) [2021-03-24 19:33:51,922 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 190.0) internal successors, (760), 4 states have internal predecessors, (760), 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) [2021-03-24 19:33:51,922 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 190.0) internal successors, (760), 4 states have internal predecessors, (760), 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) [2021-03-24 19:33:51,924 INFO L185 Difference]: Start difference. First operand has 60 places, 48 transitions, 108 flow. Second operand 3 states and 523 transitions. [2021-03-24 19:33:51,925 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 50 transitions, 138 flow [2021-03-24 19:33:51,928 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 50 transitions, 134 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-03-24 19:33:51,930 INFO L241 Difference]: Finished difference. Result has 56 places, 45 transitions, 102 flow [2021-03-24 19:33:51,931 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=190, PETRI_DIFFERENCE_MINUEND_FLOW=98, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=102, PETRI_PLACES=56, PETRI_TRANSITIONS=45} [2021-03-24 19:33:51,934 INFO L343 CegarLoopForPetriNet]: 60 programPoint places, -4 predicate places. [2021-03-24 19:33:51,935 INFO L480 AbstractCegarLoop]: Abstraction has has 56 places, 45 transitions, 102 flow [2021-03-24 19:33:51,935 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 169.66666666666666) internal successors, (509), 3 states have internal predecessors, (509), 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) [2021-03-24 19:33:51,935 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:33:51,935 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 19:33:51,936 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-24 19:33:51,936 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:33:51,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:33:51,937 INFO L82 PathProgramCache]: Analyzing trace with hash -1873331778, now seen corresponding path program 1 times [2021-03-24 19:33:51,937 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:33:51,937 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657659153] [2021-03-24 19:33:51,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:33:51,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 19:33:52,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:33:52,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:33:52,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:33:52,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:33:52,052 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-03-24 19:33:52,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 19:33:52,062 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 19:33:52,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 19:33:52,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 19:33:52,067 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657659153] [2021-03-24 19:33:52,067 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 19:33:52,067 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-24 19:33:52,067 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505858278] [2021-03-24 19:33:52,068 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-24 19:33:52,068 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 19:33:52,069 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-24 19:33:52,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-24 19:33:52,071 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 190 [2021-03-24 19:33:52,071 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 45 transitions, 102 flow. Second operand has 5 states, 5 states have (on average 161.0) internal successors, (805), 5 states have internal predecessors, (805), 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) [2021-03-24 19:33:52,072 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 19:33:52,072 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 190 [2021-03-24 19:33:52,072 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 19:33:52,310 INFO L129 PetriNetUnfolder]: 445/1053 cut-off events. [2021-03-24 19:33:52,310 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-24 19:33:52,313 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1765 conditions, 1053 events. 445/1053 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 116. Compared 7177 event pairs, 45 based on Foata normal form. 0/997 useless extension candidates. Maximal degree in co-relation 1743. Up to 325 conditions per place. [2021-03-24 19:33:52,318 INFO L132 encePairwiseOnDemand]: 181/190 looper letters, 13 selfloop transitions, 7 changer transitions 24/74 dead transitions. [2021-03-24 19:33:52,318 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 74 transitions, 242 flow [2021-03-24 19:33:52,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 19:33:52,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 19:33:52,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1164 transitions. [2021-03-24 19:33:52,322 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8751879699248121 [2021-03-24 19:33:52,322 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1164 transitions. [2021-03-24 19:33:52,322 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1164 transitions. [2021-03-24 19:33:52,323 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 19:33:52,323 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1164 transitions. [2021-03-24 19:33:52,325 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 166.28571428571428) internal successors, (1164), 7 states have internal predecessors, (1164), 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) [2021-03-24 19:33:52,328 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 190.0) internal successors, (1520), 8 states have internal predecessors, (1520), 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) [2021-03-24 19:33:52,329 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 190.0) internal successors, (1520), 8 states have internal predecessors, (1520), 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) [2021-03-24 19:33:52,329 INFO L185 Difference]: Start difference. First operand has 56 places, 45 transitions, 102 flow. Second operand 7 states and 1164 transitions. [2021-03-24 19:33:52,329 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 74 transitions, 242 flow [2021-03-24 19:33:52,330 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 74 transitions, 238 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-24 19:33:52,331 INFO L241 Difference]: Finished difference. Result has 66 places, 46 transitions, 158 flow [2021-03-24 19:33:52,331 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=190, PETRI_DIFFERENCE_MINUEND_FLOW=98, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=158, PETRI_PLACES=66, PETRI_TRANSITIONS=46} [2021-03-24 19:33:52,332 INFO L343 CegarLoopForPetriNet]: 60 programPoint places, 6 predicate places. [2021-03-24 19:33:52,332 INFO L480 AbstractCegarLoop]: Abstraction has has 66 places, 46 transitions, 158 flow [2021-03-24 19:33:52,332 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 161.0) internal successors, (805), 5 states have internal predecessors, (805), 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) [2021-03-24 19:33:52,332 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:33:52,333 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 19:33:52,333 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-24 19:33:52,333 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:33:52,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:33:52,333 INFO L82 PathProgramCache]: Analyzing trace with hash -1874917294, now seen corresponding path program 1 times [2021-03-24 19:33:52,334 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:33:52,334 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048930986] [2021-03-24 19:33:52,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:33:52,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 19:33:52,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:33:52,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:33:52,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:33:52,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:33:52,426 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-03-24 19:33:52,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 19:33:52,439 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 19:33:52,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 19:33:52,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 19:33:52,444 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2048930986] [2021-03-24 19:33:52,445 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 19:33:52,445 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-24 19:33:52,445 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027278526] [2021-03-24 19:33:52,445 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-24 19:33:52,445 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 19:33:52,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-24 19:33:52,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-24 19:33:52,449 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 190 [2021-03-24 19:33:52,450 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 46 transitions, 158 flow. Second operand has 5 states, 5 states have (on average 161.2) internal successors, (806), 5 states have internal predecessors, (806), 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) [2021-03-24 19:33:52,451 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 19:33:52,451 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 190 [2021-03-24 19:33:52,451 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 19:33:52,596 INFO L129 PetriNetUnfolder]: 196/524 cut-off events. [2021-03-24 19:33:52,597 INFO L130 PetriNetUnfolder]: For 582/743 co-relation queries the response was YES. [2021-03-24 19:33:52,598 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1590 conditions, 524 events. 196/524 cut-off events. For 582/743 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 3106 event pairs, 46 based on Foata normal form. 37/551 useless extension candidates. Maximal degree in co-relation 1562. Up to 249 conditions per place. [2021-03-24 19:33:52,602 INFO L132 encePairwiseOnDemand]: 179/190 looper letters, 11 selfloop transitions, 16 changer transitions 14/71 dead transitions. [2021-03-24 19:33:52,602 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 71 transitions, 392 flow [2021-03-24 19:33:52,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 19:33:52,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 19:33:52,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1159 transitions. [2021-03-24 19:33:52,605 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8714285714285714 [2021-03-24 19:33:52,605 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1159 transitions. [2021-03-24 19:33:52,606 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1159 transitions. [2021-03-24 19:33:52,606 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 19:33:52,606 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1159 transitions. [2021-03-24 19:33:52,609 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 165.57142857142858) internal successors, (1159), 7 states have internal predecessors, (1159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:33:52,611 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 190.0) internal successors, (1520), 8 states have internal predecessors, (1520), 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) [2021-03-24 19:33:52,612 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 190.0) internal successors, (1520), 8 states have internal predecessors, (1520), 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) [2021-03-24 19:33:52,612 INFO L185 Difference]: Start difference. First operand has 66 places, 46 transitions, 158 flow. Second operand 7 states and 1159 transitions. [2021-03-24 19:33:52,612 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 71 transitions, 392 flow [2021-03-24 19:33:52,618 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 71 transitions, 380 flow, removed 4 selfloop flow, removed 2 redundant places. [2021-03-24 19:33:52,620 INFO L241 Difference]: Finished difference. Result has 68 places, 53 transitions, 259 flow [2021-03-24 19:33:52,620 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=190, PETRI_DIFFERENCE_MINUEND_FLOW=152, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=259, PETRI_PLACES=68, PETRI_TRANSITIONS=53} [2021-03-24 19:33:52,620 INFO L343 CegarLoopForPetriNet]: 60 programPoint places, 8 predicate places. [2021-03-24 19:33:52,620 INFO L480 AbstractCegarLoop]: Abstraction has has 68 places, 53 transitions, 259 flow [2021-03-24 19:33:52,621 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 161.2) internal successors, (806), 5 states have internal predecessors, (806), 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) [2021-03-24 19:33:52,621 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:33:52,621 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 19:33:52,621 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-24 19:33:52,621 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:33:52,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:33:52,622 INFO L82 PathProgramCache]: Analyzing trace with hash -1419788605, now seen corresponding path program 1 times [2021-03-24 19:33:52,622 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:33:52,622 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611023574] [2021-03-24 19:33:52,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:33:52,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 19:33:52,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:33:52,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:33:52,727 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-24 19:33:52,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 19:33:52,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:33:52,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:33:52,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 19:33:52,733 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611023574] [2021-03-24 19:33:52,734 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 19:33:52,734 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-24 19:33:52,734 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453459059] [2021-03-24 19:33:52,735 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-24 19:33:52,735 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 19:33:52,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-24 19:33:52,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-24 19:33:52,736 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 159 out of 190 [2021-03-24 19:33:52,737 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 53 transitions, 259 flow. Second operand has 4 states, 4 states have (on average 159.75) internal successors, (639), 4 states have internal predecessors, (639), 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) [2021-03-24 19:33:52,737 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 19:33:52,737 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 159 of 190 [2021-03-24 19:33:52,737 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 19:33:52,978 INFO L129 PetriNetUnfolder]: 944/1823 cut-off events. [2021-03-24 19:33:52,978 INFO L130 PetriNetUnfolder]: For 1128/1198 co-relation queries the response was YES. [2021-03-24 19:33:52,989 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4446 conditions, 1823 events. 944/1823 cut-off events. For 1128/1198 co-relation queries the response was YES. Maximal size of possible extension queue 270. Compared 13640 event pairs, 477 based on Foata normal form. 114/1630 useless extension candidates. Maximal degree in co-relation 4412. Up to 1122 conditions per place. [2021-03-24 19:33:53,000 INFO L132 encePairwiseOnDemand]: 183/190 looper letters, 12 selfloop transitions, 10 changer transitions 0/67 dead transitions. [2021-03-24 19:33:53,000 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 67 transitions, 331 flow [2021-03-24 19:33:53,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-24 19:33:53,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-24 19:33:53,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 819 transitions. [2021-03-24 19:33:53,006 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8621052631578947 [2021-03-24 19:33:53,012 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 819 transitions. [2021-03-24 19:33:53,012 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 819 transitions. [2021-03-24 19:33:53,012 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 19:33:53,013 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 819 transitions. [2021-03-24 19:33:53,014 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 163.8) internal successors, (819), 5 states have internal predecessors, (819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:33:53,016 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 190.0) internal successors, (1140), 6 states have internal predecessors, (1140), 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) [2021-03-24 19:33:53,016 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 190.0) internal successors, (1140), 6 states have internal predecessors, (1140), 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) [2021-03-24 19:33:53,016 INFO L185 Difference]: Start difference. First operand has 68 places, 53 transitions, 259 flow. Second operand 5 states and 819 transitions. [2021-03-24 19:33:53,016 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 67 transitions, 331 flow [2021-03-24 19:33:53,026 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 67 transitions, 321 flow, removed 5 selfloop flow, removed 4 redundant places. [2021-03-24 19:33:53,027 INFO L241 Difference]: Finished difference. Result has 68 places, 62 transitions, 324 flow [2021-03-24 19:33:53,027 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=190, PETRI_DIFFERENCE_MINUEND_FLOW=249, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=53, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=324, PETRI_PLACES=68, PETRI_TRANSITIONS=62} [2021-03-24 19:33:53,027 INFO L343 CegarLoopForPetriNet]: 60 programPoint places, 8 predicate places. [2021-03-24 19:33:53,027 INFO L480 AbstractCegarLoop]: Abstraction has has 68 places, 62 transitions, 324 flow [2021-03-24 19:33:53,028 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 159.75) internal successors, (639), 4 states have internal predecessors, (639), 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) [2021-03-24 19:33:53,029 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:33:53,029 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 19:33:53,029 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-24 19:33:53,029 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:33:53,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:33:53,029 INFO L82 PathProgramCache]: Analyzing trace with hash -2061083518, now seen corresponding path program 1 times [2021-03-24 19:33:53,029 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:33:53,030 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887092956] [2021-03-24 19:33:53,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:33:53,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 19:33:53,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:33:53,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:33:53,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:33:53,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:33:53,119 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-03-24 19:33:53,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 19:33:53,129 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 19:33:53,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 19:33:53,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 19:33:53,134 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887092956] [2021-03-24 19:33:53,134 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 19:33:53,134 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-24 19:33:53,134 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350270180] [2021-03-24 19:33:53,134 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-24 19:33:53,134 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 19:33:53,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-24 19:33:53,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-24 19:33:53,138 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 190 [2021-03-24 19:33:53,141 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 62 transitions, 324 flow. Second operand has 5 states, 5 states have (on average 161.4) internal successors, (807), 5 states have internal predecessors, (807), 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) [2021-03-24 19:33:53,141 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 19:33:53,141 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 190 [2021-03-24 19:33:53,141 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 19:33:53,421 INFO L129 PetriNetUnfolder]: 1003/2082 cut-off events. [2021-03-24 19:33:53,421 INFO L130 PetriNetUnfolder]: For 2508/3566 co-relation queries the response was YES. [2021-03-24 19:33:53,435 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6866 conditions, 2082 events. 1003/2082 cut-off events. For 2508/3566 co-relation queries the response was YES. Maximal size of possible extension queue 320. Compared 16705 event pairs, 420 based on Foata normal form. 114/1986 useless extension candidates. Maximal degree in co-relation 6829. Up to 1152 conditions per place. [2021-03-24 19:33:53,450 INFO L132 encePairwiseOnDemand]: 181/190 looper letters, 24 selfloop transitions, 16 changer transitions 0/79 dead transitions. [2021-03-24 19:33:53,450 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 79 transitions, 529 flow [2021-03-24 19:33:53,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-24 19:33:53,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-24 19:33:53,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 991 transitions. [2021-03-24 19:33:53,453 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8692982456140351 [2021-03-24 19:33:53,453 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 991 transitions. [2021-03-24 19:33:53,453 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 991 transitions. [2021-03-24 19:33:53,454 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 19:33:53,454 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 991 transitions. [2021-03-24 19:33:53,455 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 165.16666666666666) internal successors, (991), 6 states have internal predecessors, (991), 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) [2021-03-24 19:33:53,457 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 190.0) internal successors, (1330), 7 states have internal predecessors, (1330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:33:53,458 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 190.0) internal successors, (1330), 7 states have internal predecessors, (1330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:33:53,458 INFO L185 Difference]: Start difference. First operand has 68 places, 62 transitions, 324 flow. Second operand 6 states and 991 transitions. [2021-03-24 19:33:53,458 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 79 transitions, 529 flow [2021-03-24 19:33:53,465 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 79 transitions, 524 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-24 19:33:53,468 INFO L241 Difference]: Finished difference. Result has 76 places, 68 transitions, 430 flow [2021-03-24 19:33:53,468 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=190, PETRI_DIFFERENCE_MINUEND_FLOW=319, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=430, PETRI_PLACES=76, PETRI_TRANSITIONS=68} [2021-03-24 19:33:53,468 INFO L343 CegarLoopForPetriNet]: 60 programPoint places, 16 predicate places. [2021-03-24 19:33:53,468 INFO L480 AbstractCegarLoop]: Abstraction has has 76 places, 68 transitions, 430 flow [2021-03-24 19:33:53,469 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 161.4) internal successors, (807), 5 states have internal predecessors, (807), 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) [2021-03-24 19:33:53,469 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:33:53,469 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 19:33:53,469 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-24 19:33:53,469 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:33:53,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:33:53,469 INFO L82 PathProgramCache]: Analyzing trace with hash 251683680, now seen corresponding path program 1 times [2021-03-24 19:33:53,470 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:33:53,473 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120828826] [2021-03-24 19:33:53,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:33:53,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 19:33:53,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:33:53,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:33:53,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:33:53,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:33:53,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:33:53,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:33:53,533 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 19:33:53,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 19:33:53,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 19:33:53,537 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2120828826] [2021-03-24 19:33:53,537 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 19:33:53,538 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-24 19:33:53,538 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683946088] [2021-03-24 19:33:53,538 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-24 19:33:53,538 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 19:33:53,539 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-24 19:33:53,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-03-24 19:33:53,540 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 167 out of 190 [2021-03-24 19:33:53,541 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 68 transitions, 430 flow. Second operand has 5 states, 5 states have (on average 168.4) internal successors, (842), 5 states have internal predecessors, (842), 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) [2021-03-24 19:33:53,541 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 19:33:53,541 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 167 of 190 [2021-03-24 19:33:53,541 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 19:33:54,033 INFO L129 PetriNetUnfolder]: 1548/3267 cut-off events. [2021-03-24 19:33:54,033 INFO L130 PetriNetUnfolder]: For 6824/8933 co-relation queries the response was YES. [2021-03-24 19:33:54,054 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10775 conditions, 3267 events. 1548/3267 cut-off events. For 6824/8933 co-relation queries the response was YES. Maximal size of possible extension queue 524. Compared 29445 event pairs, 719 based on Foata normal form. 106/2989 useless extension candidates. Maximal degree in co-relation 10731. Up to 1941 conditions per place. [2021-03-24 19:33:54,073 INFO L132 encePairwiseOnDemand]: 186/190 looper letters, 13 selfloop transitions, 6 changer transitions 0/75 dead transitions. [2021-03-24 19:33:54,074 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 75 transitions, 532 flow [2021-03-24 19:33:54,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-24 19:33:54,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-24 19:33:54,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 847 transitions. [2021-03-24 19:33:54,076 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.891578947368421 [2021-03-24 19:33:54,076 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 847 transitions. [2021-03-24 19:33:54,076 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 847 transitions. [2021-03-24 19:33:54,076 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 19:33:54,076 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 847 transitions. [2021-03-24 19:33:54,078 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 169.4) internal successors, (847), 5 states have internal predecessors, (847), 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) [2021-03-24 19:33:54,079 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 190.0) internal successors, (1140), 6 states have internal predecessors, (1140), 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) [2021-03-24 19:33:54,080 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 190.0) internal successors, (1140), 6 states have internal predecessors, (1140), 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) [2021-03-24 19:33:54,080 INFO L185 Difference]: Start difference. First operand has 76 places, 68 transitions, 430 flow. Second operand 5 states and 847 transitions. [2021-03-24 19:33:54,080 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 75 transitions, 532 flow [2021-03-24 19:33:54,102 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 75 transitions, 516 flow, removed 8 selfloop flow, removed 0 redundant places. [2021-03-24 19:33:54,104 INFO L241 Difference]: Finished difference. Result has 83 places, 72 transitions, 486 flow [2021-03-24 19:33:54,104 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=190, PETRI_DIFFERENCE_MINUEND_FLOW=416, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=486, PETRI_PLACES=83, PETRI_TRANSITIONS=72} [2021-03-24 19:33:54,104 INFO L343 CegarLoopForPetriNet]: 60 programPoint places, 23 predicate places. [2021-03-24 19:33:54,104 INFO L480 AbstractCegarLoop]: Abstraction has has 83 places, 72 transitions, 486 flow [2021-03-24 19:33:54,105 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 168.4) internal successors, (842), 5 states have internal predecessors, (842), 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) [2021-03-24 19:33:54,105 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:33:54,105 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 19:33:54,105 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-24 19:33:54,105 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:33:54,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:33:54,109 INFO L82 PathProgramCache]: Analyzing trace with hash -1011958819, now seen corresponding path program 1 times [2021-03-24 19:33:54,109 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:33:54,109 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437675622] [2021-03-24 19:33:54,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:33:54,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 19:33:54,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:33:54,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:33:54,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:33:54,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:33:54,212 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-24 19:33:54,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 19:33:54,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:33:54,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:33:54,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 19:33:54,219 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1437675622] [2021-03-24 19:33:54,219 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 19:33:54,219 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-24 19:33:54,219 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403706595] [2021-03-24 19:33:54,219 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-24 19:33:54,219 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 19:33:54,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-24 19:33:54,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-24 19:33:54,221 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 159 out of 190 [2021-03-24 19:33:54,221 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 72 transitions, 486 flow. Second operand has 5 states, 5 states have (on average 159.8) internal successors, (799), 5 states have internal predecessors, (799), 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) [2021-03-24 19:33:54,221 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 19:33:54,221 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 159 of 190 [2021-03-24 19:33:54,222 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 19:33:54,723 INFO L129 PetriNetUnfolder]: 1424/2943 cut-off events. [2021-03-24 19:33:54,723 INFO L130 PetriNetUnfolder]: For 5785/11853 co-relation queries the response was YES. [2021-03-24 19:33:54,741 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11217 conditions, 2943 events. 1424/2943 cut-off events. For 5785/11853 co-relation queries the response was YES. Maximal size of possible extension queue 498. Compared 24733 event pairs, 214 based on Foata normal form. 681/3295 useless extension candidates. Maximal degree in co-relation 11170. Up to 1957 conditions per place. [2021-03-24 19:33:54,758 INFO L132 encePairwiseOnDemand]: 183/190 looper letters, 13 selfloop transitions, 19 changer transitions 0/87 dead transitions. [2021-03-24 19:33:54,759 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 87 transitions, 630 flow [2021-03-24 19:33:54,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 19:33:54,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 19:33:54,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1147 transitions. [2021-03-24 19:33:54,762 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.862406015037594 [2021-03-24 19:33:54,762 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1147 transitions. [2021-03-24 19:33:54,762 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1147 transitions. [2021-03-24 19:33:54,762 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 19:33:54,762 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1147 transitions. [2021-03-24 19:33:54,765 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 163.85714285714286) internal successors, (1147), 7 states have internal predecessors, (1147), 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) [2021-03-24 19:33:54,767 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 190.0) internal successors, (1520), 8 states have internal predecessors, (1520), 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) [2021-03-24 19:33:54,769 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 190.0) internal successors, (1520), 8 states have internal predecessors, (1520), 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) [2021-03-24 19:33:54,770 INFO L185 Difference]: Start difference. First operand has 83 places, 72 transitions, 486 flow. Second operand 7 states and 1147 transitions. [2021-03-24 19:33:54,770 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 87 transitions, 630 flow [2021-03-24 19:33:54,789 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 87 transitions, 627 flow, removed 1 selfloop flow, removed 1 redundant places. [2021-03-24 19:33:54,791 INFO L241 Difference]: Finished difference. Result has 91 places, 81 transitions, 617 flow [2021-03-24 19:33:54,791 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=190, PETRI_DIFFERENCE_MINUEND_FLOW=483, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=72, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=617, PETRI_PLACES=91, PETRI_TRANSITIONS=81} [2021-03-24 19:33:54,791 INFO L343 CegarLoopForPetriNet]: 60 programPoint places, 31 predicate places. [2021-03-24 19:33:54,791 INFO L480 AbstractCegarLoop]: Abstraction has has 91 places, 81 transitions, 617 flow [2021-03-24 19:33:54,792 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 159.8) internal successors, (799), 5 states have internal predecessors, (799), 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) [2021-03-24 19:33:54,792 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:33:54,792 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 19:33:54,792 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-24 19:33:54,792 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:33:54,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:33:54,793 INFO L82 PathProgramCache]: Analyzing trace with hash 1847383682, now seen corresponding path program 1 times [2021-03-24 19:33:54,793 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:33:54,793 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802445973] [2021-03-24 19:33:54,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:33:54,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 19:33:54,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:33:54,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:33:54,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:33:54,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:33:54,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:33:54,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:33:54,936 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-24 19:33:54,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 19:33:54,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:33:54,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:33:54,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 19:33:54,945 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [802445973] [2021-03-24 19:33:54,945 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 19:33:54,945 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-24 19:33:54,945 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174706189] [2021-03-24 19:33:54,945 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-24 19:33:54,945 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 19:33:54,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-24 19:33:54,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-03-24 19:33:54,947 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 159 out of 190 [2021-03-24 19:33:54,948 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 81 transitions, 617 flow. Second operand has 6 states, 6 states have (on average 159.83333333333334) internal successors, (959), 6 states have internal predecessors, (959), 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) [2021-03-24 19:33:54,948 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 19:33:54,948 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 159 of 190 [2021-03-24 19:33:54,948 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 19:33:55,321 INFO L129 PetriNetUnfolder]: 1172/2422 cut-off events. [2021-03-24 19:33:55,321 INFO L130 PetriNetUnfolder]: For 9738/26427 co-relation queries the response was YES. [2021-03-24 19:33:55,343 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12450 conditions, 2422 events. 1172/2422 cut-off events. For 9738/26427 co-relation queries the response was YES. Maximal size of possible extension queue 471. Compared 19733 event pairs, 35 based on Foata normal form. 1015/3148 useless extension candidates. Maximal degree in co-relation 12399. Up to 1784 conditions per place. [2021-03-24 19:33:55,360 INFO L132 encePairwiseOnDemand]: 183/190 looper letters, 10 selfloop transitions, 28 changer transitions 8/97 dead transitions. [2021-03-24 19:33:55,360 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 97 transitions, 833 flow [2021-03-24 19:33:55,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-24 19:33:55,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-24 19:33:55,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1475 transitions. [2021-03-24 19:33:55,364 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8625730994152047 [2021-03-24 19:33:55,364 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1475 transitions. [2021-03-24 19:33:55,364 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1475 transitions. [2021-03-24 19:33:55,364 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 19:33:55,365 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1475 transitions. [2021-03-24 19:33:55,367 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 163.88888888888889) internal successors, (1475), 9 states have internal predecessors, (1475), 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) [2021-03-24 19:33:55,370 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 190.0) internal successors, (1900), 10 states have internal predecessors, (1900), 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) [2021-03-24 19:33:55,371 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 190.0) internal successors, (1900), 10 states have internal predecessors, (1900), 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) [2021-03-24 19:33:55,371 INFO L185 Difference]: Start difference. First operand has 91 places, 81 transitions, 617 flow. Second operand 9 states and 1475 transitions. [2021-03-24 19:33:55,371 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 97 transitions, 833 flow [2021-03-24 19:33:55,433 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 97 transitions, 775 flow, removed 18 selfloop flow, removed 4 redundant places. [2021-03-24 19:33:55,436 INFO L241 Difference]: Finished difference. Result has 98 places, 86 transitions, 689 flow [2021-03-24 19:33:55,437 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=190, PETRI_DIFFERENCE_MINUEND_FLOW=559, PETRI_DIFFERENCE_MINUEND_PLACES=87, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=81, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=689, PETRI_PLACES=98, PETRI_TRANSITIONS=86} [2021-03-24 19:33:55,437 INFO L343 CegarLoopForPetriNet]: 60 programPoint places, 38 predicate places. [2021-03-24 19:33:55,437 INFO L480 AbstractCegarLoop]: Abstraction has has 98 places, 86 transitions, 689 flow [2021-03-24 19:33:55,437 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 159.83333333333334) internal successors, (959), 6 states have internal predecessors, (959), 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) [2021-03-24 19:33:55,438 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:33:55,438 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 19:33:55,438 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-24 19:33:55,438 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:33:55,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:33:55,438 INFO L82 PathProgramCache]: Analyzing trace with hash 50961785, now seen corresponding path program 1 times [2021-03-24 19:33:55,438 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:33:55,439 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205363427] [2021-03-24 19:33:55,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:33:55,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 19:33:55,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:33:55,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:33:55,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:33:55,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:33:55,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:33:55,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:33:55,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:33:55,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:33:55,541 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-24 19:33:55,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 19:33:55,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:33:55,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:33:55,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 19:33:55,550 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205363427] [2021-03-24 19:33:55,550 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 19:33:55,550 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-24 19:33:55,550 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475400287] [2021-03-24 19:33:55,550 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 19:33:55,550 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 19:33:55,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 19:33:55,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-24 19:33:55,551 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 159 out of 190 [2021-03-24 19:33:55,552 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 86 transitions, 689 flow. Second operand has 7 states, 7 states have (on average 159.85714285714286) internal successors, (1119), 7 states have internal predecessors, (1119), 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) [2021-03-24 19:33:55,552 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 19:33:55,553 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 159 of 190 [2021-03-24 19:33:55,553 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 19:33:55,939 INFO L129 PetriNetUnfolder]: 1073/2211 cut-off events. [2021-03-24 19:33:55,939 INFO L130 PetriNetUnfolder]: For 12900/22193 co-relation queries the response was YES. [2021-03-24 19:33:55,958 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11864 conditions, 2211 events. 1073/2211 cut-off events. For 12900/22193 co-relation queries the response was YES. Maximal size of possible extension queue 471. Compared 17891 event pairs, 13 based on Foata normal form. 835/2761 useless extension candidates. Maximal degree in co-relation 11833. Up to 1202 conditions per place. [2021-03-24 19:33:55,967 INFO L132 encePairwiseOnDemand]: 183/190 looper letters, 6 selfloop transitions, 33 changer transitions 5/95 dead transitions. [2021-03-24 19:33:55,968 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 105 places, 95 transitions, 841 flow [2021-03-24 19:33:55,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-24 19:33:55,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-24 19:33:55,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1795 transitions. [2021-03-24 19:33:55,972 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8588516746411483 [2021-03-24 19:33:55,972 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1795 transitions. [2021-03-24 19:33:55,972 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1795 transitions. [2021-03-24 19:33:55,973 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 19:33:55,973 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1795 transitions. [2021-03-24 19:33:55,977 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 163.1818181818182) internal successors, (1795), 11 states have internal predecessors, (1795), 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) [2021-03-24 19:33:55,980 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 190.0) internal successors, (2280), 12 states have internal predecessors, (2280), 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) [2021-03-24 19:33:55,980 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 190.0) internal successors, (2280), 12 states have internal predecessors, (2280), 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) [2021-03-24 19:33:55,981 INFO L185 Difference]: Start difference. First operand has 98 places, 86 transitions, 689 flow. Second operand 11 states and 1795 transitions. [2021-03-24 19:33:55,981 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 105 places, 95 transitions, 841 flow [2021-03-24 19:33:56,143 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 95 transitions, 722 flow, removed 43 selfloop flow, removed 8 redundant places. [2021-03-24 19:33:56,145 INFO L241 Difference]: Finished difference. Result has 100 places, 87 transitions, 664 flow [2021-03-24 19:33:56,145 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=190, PETRI_DIFFERENCE_MINUEND_FLOW=570, PETRI_DIFFERENCE_MINUEND_PLACES=87, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=86, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=32, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=664, PETRI_PLACES=100, PETRI_TRANSITIONS=87} [2021-03-24 19:33:56,145 INFO L343 CegarLoopForPetriNet]: 60 programPoint places, 40 predicate places. [2021-03-24 19:33:56,145 INFO L480 AbstractCegarLoop]: Abstraction has has 100 places, 87 transitions, 664 flow [2021-03-24 19:33:56,146 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 159.85714285714286) internal successors, (1119), 7 states have internal predecessors, (1119), 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) [2021-03-24 19:33:56,146 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:33:56,146 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 19:33:56,146 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-24 19:33:56,146 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:33:56,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:33:56,147 INFO L82 PathProgramCache]: Analyzing trace with hash 1606961929, now seen corresponding path program 1 times [2021-03-24 19:33:56,147 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:33:56,147 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213736535] [2021-03-24 19:33:56,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:33:56,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 19:33:56,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:33:56,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:33:56,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:33:56,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:33:56,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:33:56,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 19:33:56,289 INFO L142 QuantifierPusher]: treesize reduction 4, result has 90.5 percent of original size [2021-03-24 19:33:56,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 19:33:56,320 INFO L142 QuantifierPusher]: treesize reduction 10, result has 76.7 percent of original size [2021-03-24 19:33:56,321 INFO L147 QuantifierPusher]: treesize reduction 5, result has 84.8 percent of original size 28 [2021-03-24 19:33:56,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:33:56,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 19:33:56,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:33:56,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 19:33:56,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:33:56,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 19:33:56,384 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 19:33:56,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 19:33:56,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 19:33:56,395 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213736535] [2021-03-24 19:33:56,396 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 19:33:56,396 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-24 19:33:56,396 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435982019] [2021-03-24 19:33:56,397 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-24 19:33:56,397 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 19:33:56,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-24 19:33:56,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-03-24 19:33:56,402 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 144 out of 190 [2021-03-24 19:33:56,404 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 87 transitions, 664 flow. Second operand has 10 states, 10 states have (on average 145.5) internal successors, (1455), 10 states have internal predecessors, (1455), 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) [2021-03-24 19:33:56,404 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 19:33:56,404 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 144 of 190 [2021-03-24 19:33:56,404 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 19:33:57,432 INFO L129 PetriNetUnfolder]: 2446/5961 cut-off events. [2021-03-24 19:33:57,432 INFO L130 PetriNetUnfolder]: For 30477/32976 co-relation queries the response was YES. [2021-03-24 19:33:57,495 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24706 conditions, 5961 events. 2446/5961 cut-off events. For 30477/32976 co-relation queries the response was YES. Maximal size of possible extension queue 934. Compared 64517 event pairs, 209 based on Foata normal form. 437/5915 useless extension candidates. Maximal degree in co-relation 24648. Up to 1625 conditions per place. [2021-03-24 19:33:57,504 INFO L132 encePairwiseOnDemand]: 182/190 looper letters, 20 selfloop transitions, 7 changer transitions 10/102 dead transitions. [2021-03-24 19:33:57,505 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 102 transitions, 800 flow [2021-03-24 19:33:57,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-24 19:33:57,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-24 19:33:57,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1325 transitions. [2021-03-24 19:33:57,508 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7748538011695907 [2021-03-24 19:33:57,508 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1325 transitions. [2021-03-24 19:33:57,508 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1325 transitions. [2021-03-24 19:33:57,509 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 19:33:57,509 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1325 transitions. [2021-03-24 19:33:57,512 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 147.22222222222223) internal successors, (1325), 9 states have internal predecessors, (1325), 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) [2021-03-24 19:33:57,515 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 190.0) internal successors, (1900), 10 states have internal predecessors, (1900), 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) [2021-03-24 19:33:57,515 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 190.0) internal successors, (1900), 10 states have internal predecessors, (1900), 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) [2021-03-24 19:33:57,516 INFO L185 Difference]: Start difference. First operand has 100 places, 87 transitions, 664 flow. Second operand 9 states and 1325 transitions. [2021-03-24 19:33:57,516 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 102 transitions, 800 flow [2021-03-24 19:33:58,248 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 102 transitions, 669 flow, removed 35 selfloop flow, removed 11 redundant places. [2021-03-24 19:33:58,250 INFO L241 Difference]: Finished difference. Result has 99 places, 82 transitions, 507 flow [2021-03-24 19:33:58,250 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=190, PETRI_DIFFERENCE_MINUEND_FLOW=541, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=87, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=507, PETRI_PLACES=99, PETRI_TRANSITIONS=82} [2021-03-24 19:33:58,251 INFO L343 CegarLoopForPetriNet]: 60 programPoint places, 39 predicate places. [2021-03-24 19:33:58,251 INFO L480 AbstractCegarLoop]: Abstraction has has 99 places, 82 transitions, 507 flow [2021-03-24 19:33:58,251 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 145.5) internal successors, (1455), 10 states have internal predecessors, (1455), 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) [2021-03-24 19:33:58,251 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:33:58,251 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 19:33:58,252 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-24 19:33:58,252 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:33:58,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:33:58,252 INFO L82 PathProgramCache]: Analyzing trace with hash 1798735231, now seen corresponding path program 2 times [2021-03-24 19:33:58,252 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:33:58,252 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438866204] [2021-03-24 19:33:58,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:33:58,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 19:33:58,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:33:58,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:33:58,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:33:58,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:33:58,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:33:58,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:33:58,309 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 19:33:58,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 19:33:58,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 19:33:58,313 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438866204] [2021-03-24 19:33:58,313 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 19:33:58,314 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-24 19:33:58,314 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732492335] [2021-03-24 19:33:58,314 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-24 19:33:58,314 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 19:33:58,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-24 19:33:58,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-03-24 19:33:58,315 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 190 [2021-03-24 19:33:58,316 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 82 transitions, 507 flow. Second operand has 5 states, 5 states have (on average 169.2) internal successors, (846), 5 states have internal predecessors, (846), 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) [2021-03-24 19:33:58,316 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 19:33:58,316 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 190 [2021-03-24 19:33:58,316 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 19:33:58,528 INFO L129 PetriNetUnfolder]: 864/2065 cut-off events. [2021-03-24 19:33:58,528 INFO L130 PetriNetUnfolder]: For 3703/3958 co-relation queries the response was YES. [2021-03-24 19:33:58,541 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7324 conditions, 2065 events. 864/2065 cut-off events. For 3703/3958 co-relation queries the response was YES. Maximal size of possible extension queue 429. Compared 18261 event pairs, 24 based on Foata normal form. 17/1864 useless extension candidates. Maximal degree in co-relation 7296. Up to 580 conditions per place. [2021-03-24 19:33:58,544 INFO L132 encePairwiseOnDemand]: 186/190 looper letters, 5 selfloop transitions, 1 changer transitions 31/85 dead transitions. [2021-03-24 19:33:58,544 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 85 transitions, 556 flow [2021-03-24 19:33:58,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-24 19:33:58,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-24 19:33:58,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 849 transitions. [2021-03-24 19:33:58,546 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8936842105263157 [2021-03-24 19:33:58,546 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 849 transitions. [2021-03-24 19:33:58,546 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 849 transitions. [2021-03-24 19:33:58,546 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 19:33:58,546 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 849 transitions. [2021-03-24 19:33:58,548 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 169.8) internal successors, (849), 5 states have internal predecessors, (849), 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) [2021-03-24 19:33:58,549 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 190.0) internal successors, (1140), 6 states have internal predecessors, (1140), 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) [2021-03-24 19:33:58,550 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 190.0) internal successors, (1140), 6 states have internal predecessors, (1140), 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) [2021-03-24 19:33:58,550 INFO L185 Difference]: Start difference. First operand has 99 places, 82 transitions, 507 flow. Second operand 5 states and 849 transitions. [2021-03-24 19:33:58,550 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 85 transitions, 556 flow [2021-03-24 19:33:58,631 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 85 transitions, 528 flow, removed 7 selfloop flow, removed 7 redundant places. [2021-03-24 19:33:58,632 INFO L241 Difference]: Finished difference. Result has 97 places, 54 transitions, 270 flow [2021-03-24 19:33:58,633 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=190, PETRI_DIFFERENCE_MINUEND_FLOW=485, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=82, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=81, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=270, PETRI_PLACES=97, PETRI_TRANSITIONS=54} [2021-03-24 19:33:58,633 INFO L343 CegarLoopForPetriNet]: 60 programPoint places, 37 predicate places. [2021-03-24 19:33:58,633 INFO L480 AbstractCegarLoop]: Abstraction has has 97 places, 54 transitions, 270 flow [2021-03-24 19:33:58,633 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 169.2) internal successors, (846), 5 states have internal predecessors, (846), 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) [2021-03-24 19:33:58,633 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:33:58,633 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 19:33:58,633 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-24 19:33:58,634 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:33:58,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:33:58,634 INFO L82 PathProgramCache]: Analyzing trace with hash 954059539, now seen corresponding path program 3 times [2021-03-24 19:33:58,634 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:33:58,634 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614185796] [2021-03-24 19:33:58,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:33:58,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-24 19:33:58,684 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-24 19:33:58,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-24 19:33:58,752 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-24 19:33:58,792 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-24 19:33:58,793 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-03-24 19:33:58,793 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-03-24 19:33:58,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.03 07:33:58 BasicIcfg [2021-03-24 19:33:58,930 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-24 19:33:58,931 INFO L168 Benchmark]: Toolchain (without parser) took 13500.44 ms. Allocated memory was 255.9 MB in the beginning and 704.6 MB in the end (delta: 448.8 MB). Free memory was 233.9 MB in the beginning and 371.9 MB in the end (delta: -138.0 MB). Peak memory consumption was 310.0 MB. Max. memory is 16.0 GB. [2021-03-24 19:33:58,931 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 255.9 MB. Free memory was 237.7 MB in the beginning and 237.5 MB in the end (delta: 168.5 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-24 19:33:58,932 INFO L168 Benchmark]: CACSL2BoogieTranslator took 561.65 ms. Allocated memory was 255.9 MB in the beginning and 348.1 MB in the end (delta: 92.3 MB). Free memory was 233.9 MB in the beginning and 305.3 MB in the end (delta: -71.4 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.0 GB. [2021-03-24 19:33:58,932 INFO L168 Benchmark]: Boogie Procedure Inliner took 73.54 ms. Allocated memory is still 348.1 MB. Free memory was 305.3 MB in the beginning and 303.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-24 19:33:58,932 INFO L168 Benchmark]: Boogie Preprocessor took 52.46 ms. Allocated memory is still 348.1 MB. Free memory was 303.2 MB in the beginning and 300.4 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-24 19:33:58,932 INFO L168 Benchmark]: RCFGBuilder took 1979.82 ms. Allocated memory is still 348.1 MB. Free memory was 300.4 MB in the beginning and 273.0 MB in the end (delta: 27.4 MB). Peak memory consumption was 65.5 MB. Max. memory is 16.0 GB. [2021-03-24 19:33:58,933 INFO L168 Benchmark]: TraceAbstraction took 10824.96 ms. Allocated memory was 348.1 MB in the beginning and 704.6 MB in the end (delta: 356.5 MB). Free memory was 273.0 MB in the beginning and 371.9 MB in the end (delta: -98.9 MB). Peak memory consumption was 256.6 MB. Max. memory is 16.0 GB. [2021-03-24 19:33:58,934 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 255.9 MB. Free memory was 237.7 MB in the beginning and 237.5 MB in the end (delta: 168.5 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 561.65 ms. Allocated memory was 255.9 MB in the beginning and 348.1 MB in the end (delta: 92.3 MB). Free memory was 233.9 MB in the beginning and 305.3 MB in the end (delta: -71.4 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 73.54 ms. Allocated memory is still 348.1 MB. Free memory was 305.3 MB in the beginning and 303.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 52.46 ms. Allocated memory is still 348.1 MB. Free memory was 303.2 MB in the beginning and 300.4 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 1979.82 ms. Allocated memory is still 348.1 MB. Free memory was 300.4 MB in the beginning and 273.0 MB in the end (delta: 27.4 MB). Peak memory consumption was 65.5 MB. Max. memory is 16.0 GB. * TraceAbstraction took 10824.96 ms. Allocated memory was 348.1 MB in the beginning and 704.6 MB in the end (delta: 356.5 MB). Free memory was 273.0 MB in the beginning and 371.9 MB in the end (delta: -98.9 MB). Peak memory consumption was 256.6 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3130.8ms, 125 PlacesBefore, 60 PlacesAfterwards, 114 TransitionsBefore, 48 TransitionsAfterwards, 2774 CoEnabledTransitionPairs, 5 FixpointIterations, 30 TrivialSequentialCompositions, 40 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 1 ChoiceCompositions, 72 TotalNumberOfCompositions, 4931 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2436, positive: 2331, positive conditional: 0, positive unconditional: 2331, negative: 105, negative conditional: 0, negative unconditional: 105, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1672, positive: 1619, positive conditional: 0, positive unconditional: 1619, negative: 53, negative conditional: 0, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1672, positive: 1619, positive conditional: 0, positive unconditional: 1619, negative: 53, negative conditional: 0, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1672, positive: 1616, positive conditional: 0, positive unconditional: 1616, negative: 56, negative conditional: 0, negative unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 56, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 53, negative conditional: 0, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 660, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 649, negative conditional: 0, negative unconditional: 649, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2436, positive: 712, positive conditional: 0, positive unconditional: 712, negative: 52, negative conditional: 0, negative unconditional: 52, unknown: 1672, unknown conditional: 0, unknown unconditional: 1672] , Statistics on independence cache: Total cache size (in pairs): 281, Positive cache size: 249, Positive conditional cache size: 0, Positive unconditional cache size: 249, Negative cache size: 32, Negative conditional cache size: 0, Negative unconditional cache size: 32 - 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; VAL [__unbuffered_cnt=0] [L712] 0 int __unbuffered_p0_EAX = 0; [L714] 0 int __unbuffered_p2_EAX = 0; [L716] 0 int __unbuffered_p3_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __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$mem_tmp; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0] [L723] 0 _Bool a$r_buff0_thd0; [L724] 0 _Bool a$r_buff0_thd1; [L725] 0 _Bool a$r_buff0_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=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$r_buff0_thd2=0] [L726] 0 _Bool a$r_buff0_thd3; [L727] 0 _Bool a$r_buff0_thd4; [L728] 0 _Bool a$r_buff1_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=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] [L729] 0 _Bool a$r_buff1_thd1; [L730] 0 _Bool a$r_buff1_thd2; [L731] 0 _Bool a$r_buff1_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$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] [L732] 0 _Bool a$r_buff1_thd4; [L733] 0 _Bool a$read_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=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$read_delayed=0] [L734] 0 int *a$read_delayed_var; [L735] 0 int a$w_buff0; [L736] 0 _Bool a$w_buff0_used; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=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] [L737] 0 int a$w_buff1; [L738] 0 _Bool a$w_buff1_used; [L739] 0 _Bool main$tmp_guard0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$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] [L740] 0 _Bool main$tmp_guard1; [L742] 0 int x = 0; [L744] 0 int y = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$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, x=0, y=0] [L746] 0 int z = 0; [L747] 0 _Bool weak$$choice0; [L748] 0 _Bool weak$$choice2; [L866] 0 pthread_t t537; [L867] FCALL, FORK 0 pthread_create(&t537, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=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] [L868] 0 pthread_t t538; [L869] FCALL, FORK 0 pthread_create(&t538, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=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, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L870] 0 pthread_t t539; [L871] FCALL, FORK 0 pthread_create(&t539, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=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, arg={0:0}, arg={0:0}, 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$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$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=0, y=0, z=0] [L765] 1 __unbuffered_p0_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=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=0, y=0, z=0] [L782] 2 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=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=1, y=0, z=0] [L785] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=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=1, y=1, z=0] [L802] 3 y = 2 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=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=1, y=2, z=0] [L872] 0 pthread_t t540; [L873] FCALL, FORK 0 pthread_create(&t540, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=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=1, y=2, z=0] [L805] 3 __unbuffered_p2_EAX = z VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=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=1, y=2, z=0] [L822] 4 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=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=1, y=2, z=1] [L825] 4 __unbuffered_p3_EAX = z VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=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=1, y=2, z=1] [L828] 4 weak$$choice0 = __VERIFIER_nondet_bool() [L829] 4 weak$$choice2 = __VERIFIER_nondet_bool() [L830] 4 a$flush_delayed = weak$$choice2 [L831] 4 a$mem_tmp = a [L832] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff1) [L832] 4 a = !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff1) [L833] EXPR 4 weak$$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$w_buff0)) [L833] EXPR 4 !a$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) [L833] EXPR 4 weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff0)) [L833] 4 a$w_buff0 = weak$$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)) [L834] EXPR 4 weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff1 : a$w_buff1)) [L834] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff1 : a$w_buff1) [L834] EXPR 4 weak$$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$w_buff1)) [L834] 4 a$w_buff1 = weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff1 : a$w_buff1)) [L835] EXPR 4 weak$$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)) [L835] 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) [L835] EXPR 4 weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used)) [L835] 4 a$w_buff0_used = weak$$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)) [L836] EXPR 4 weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L836] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0) [L836] EXPR 4 weak$$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$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L836] 4 a$w_buff1_used = weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L837] EXPR 4 weak$$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)) [L837] 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) [L837] EXPR 4 weak$$choice2 ? a$r_buff0_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff0_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4)) [L837] 4 a$r_buff0_thd4 = weak$$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)) [L838] EXPR 4 weak$$choice2 ? a$r_buff1_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff1_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L838] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff1_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0) [L838] EXPR 4 weak$$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$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L838] 4 a$r_buff1_thd4 = weak$$choice2 ? a$r_buff1_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff1_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L839] 4 __unbuffered_p3_EBX = a [L840] EXPR 4 a$flush_delayed ? a$mem_tmp : a [L840] 4 a = a$flush_delayed ? a$mem_tmp : a [L841] 4 a$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=2, z=1] [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; [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 [L795] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L797] 2 return 0; [L808] 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) [L808] EXPR 3 a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a [L808] 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) [L808] 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) [L809] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used [L809] 3 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used [L810] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$w_buff1_used [L810] 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 [L811] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3 [L811] 3 a$r_buff0_thd3 = a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3 [L812] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$r_buff1_thd3 [L812] 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 [L815] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L817] 3 return 0; [L844] 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) [L844] EXPR 4 a$w_buff1_used && a$r_buff1_thd4 ? a$w_buff1 : a [L844] 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) [L844] 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) [L845] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used [L845] 4 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used [L846] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$w_buff1_used [L846] 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 [L847] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4 [L847] 4 a$r_buff0_thd4 = a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4 [L848] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$r_buff1_thd4 [L848] 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 [L851] 4 __unbuffered_cnt = __unbuffered_cnt + 1 [L853] 4 return 0; [L875] 0 main$tmp_guard0 = __unbuffered_cnt == 4 [L3] COND FALSE 0 !(!cond) [L879] 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) [L879] EXPR 0 a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a [L879] 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) [L879] 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) [L880] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$w_buff0_used [L880] 0 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$w_buff0_used [L881] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$w_buff1_used [L881] 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 [L882] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$r_buff0_thd0 [L882] 0 a$r_buff0_thd0 = a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$r_buff0_thd0 [L883] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$r_buff1_thd0 [L883] 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 [L886] 0 main$tmp_guard1 = !(y == 2 && __unbuffered_p0_EAX == 0 && __unbuffered_p2_EAX == 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_p0_EAX=0, __unbuffered_p2_EAX=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=1, y=2, z=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 117 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 3.2ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 10556.3ms, OverallIterations: 12, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 5680.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 3203.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 100 SDtfs, 103 SDslu, 149 SDs, 0 SdLazy, 397 SolverSat, 107 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 403.1ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 73 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 388.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=689occurred in iteration=8, InterpolantAutomatonStates: 74, 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: 44.9ms SsaConstructionTime, 471.6ms SatisfiabilityAnalysisTime, 847.6ms InterpolantComputationTime, 363 NumberOfCodeBlocks, 363 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 312 ConstructedInterpolants, 0 QuantifiedInterpolants, 1484 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 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...