/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/mix021_rmo.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-11 20:04:08,886 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-11 20:04:08,889 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-11 20:04:08,926 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-11 20:04:08,927 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-11 20:04:08,929 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-11 20:04:08,932 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-11 20:04:08,937 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-11 20:04:08,939 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-11 20:04:08,943 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-11 20:04:08,944 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-11 20:04:08,945 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-11 20:04:08,946 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-11 20:04:08,947 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-11 20:04:08,948 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-11 20:04:08,950 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-11 20:04:08,952 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-11 20:04:08,953 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-11 20:04:08,955 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-11 20:04:08,962 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-11 20:04:08,964 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-11 20:04:08,965 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-11 20:04:08,966 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-11 20:04:08,967 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-11 20:04:08,973 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-11 20:04:08,981 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-11 20:04:08,982 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-11 20:04:08,982 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-11 20:04:08,983 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-SemanticLbe.epf [2021-03-11 20:04:09,018 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-11 20:04:09,018 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-11 20:04:09,022 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-11 20:04:09,022 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-11 20:04:09,022 INFO L138 SettingsManager]: * Use SBE=true [2021-03-11 20:04:09,022 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-11 20:04:09,023 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-11 20:04:09,023 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-11 20:04:09,023 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-11 20:04:09,023 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-11 20:04:09,024 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-11 20:04:09,024 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-11 20:04:09,024 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-11 20:04:09,025 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-11 20:04:09,025 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-11 20:04:09,025 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-11 20:04:09,025 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-11 20:04:09,025 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-11 20:04:09,025 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-11 20:04:09,026 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-11 20:04:09,026 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-11 20:04:09,026 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-11 20:04:09,026 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-11 20:04:09,026 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-11 20:04:09,027 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-11 20:04:09,027 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-11 20:04:09,027 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-11 20:04:09,027 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-11 20:04:09,027 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-11 20:04:09,356 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-11 20:04:09,381 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-11 20:04:09,383 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-11 20:04:09,384 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-11 20:04:09,385 INFO L275 PluginConnector]: CDTParser initialized [2021-03-11 20:04:09,385 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix021_rmo.oepc.i [2021-03-11 20:04:09,440 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5ded75bd/65a8f6ca07e44229b02a8dda54719cfa/FLAGe6a849a27 [2021-03-11 20:04:09,942 INFO L306 CDTParser]: Found 1 translation units. [2021-03-11 20:04:09,942 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix021_rmo.oepc.i [2021-03-11 20:04:09,964 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5ded75bd/65a8f6ca07e44229b02a8dda54719cfa/FLAGe6a849a27 [2021-03-11 20:04:10,461 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5ded75bd/65a8f6ca07e44229b02a8dda54719cfa [2021-03-11 20:04:10,463 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-11 20:04:10,468 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-11 20:04:10,471 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-11 20:04:10,471 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-11 20:04:10,474 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-11 20:04:10,475 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.03 08:04:10" (1/1) ... [2021-03-11 20:04:10,476 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48f772ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:04:10, skipping insertion in model container [2021-03-11 20:04:10,476 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.03 08:04:10" (1/1) ... [2021-03-11 20:04:10,482 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-11 20:04:10,530 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-11 20:04:10,672 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/mix021_rmo.oepc.i[949,962] [2021-03-11 20:04:10,809 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-11 20:04:10,816 INFO L203 MainTranslator]: Completed pre-run [2021-03-11 20:04:10,825 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/mix021_rmo.oepc.i[949,962] [2021-03-11 20:04:10,896 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-11 20:04:10,968 INFO L208 MainTranslator]: Completed translation [2021-03-11 20:04:10,968 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:04:10 WrapperNode [2021-03-11 20:04:10,968 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-11 20:04:10,969 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-11 20:04:10,969 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-11 20:04:10,969 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-11 20:04:10,975 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:04:10" (1/1) ... [2021-03-11 20:04:10,989 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:04:10" (1/1) ... [2021-03-11 20:04:11,011 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-11 20:04:11,011 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-11 20:04:11,011 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-11 20:04:11,011 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-11 20:04:11,020 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:04:10" (1/1) ... [2021-03-11 20:04:11,021 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:04:10" (1/1) ... [2021-03-11 20:04:11,029 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:04:10" (1/1) ... [2021-03-11 20:04:11,029 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:04:10" (1/1) ... [2021-03-11 20:04:11,045 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:04:10" (1/1) ... [2021-03-11 20:04:11,049 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:04:10" (1/1) ... [2021-03-11 20:04:11,067 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:04:10" (1/1) ... [2021-03-11 20:04:11,071 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-11 20:04:11,072 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-11 20:04:11,072 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-11 20:04:11,072 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-11 20:04:11,073 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:04:10" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-11 20:04:11,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-11 20:04:11,134 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-11 20:04:11,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-11 20:04:11,135 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-11 20:04:11,136 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-03-11 20:04:11,136 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-03-11 20:04:11,136 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-03-11 20:04:11,136 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-03-11 20:04:11,137 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-03-11 20:04:11,137 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-03-11 20:04:11,137 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-03-11 20:04:11,137 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-03-11 20:04:11,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-11 20:04:11,138 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-11 20:04:11,138 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-11 20:04:11,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-11 20:04:11,139 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-11 20:04:13,034 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-11 20:04:13,035 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-03-11 20:04:13,037 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.03 08:04:13 BoogieIcfgContainer [2021-03-11 20:04:13,037 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-11 20:04:13,038 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-11 20:04:13,038 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-11 20:04:13,040 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-11 20:04:13,040 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.03 08:04:10" (1/3) ... [2021-03-11 20:04:13,041 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40eb5786 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.03 08:04:13, skipping insertion in model container [2021-03-11 20:04:13,041 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:04:10" (2/3) ... [2021-03-11 20:04:13,042 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40eb5786 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.03 08:04:13, skipping insertion in model container [2021-03-11 20:04:13,042 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.03 08:04:13" (3/3) ... [2021-03-11 20:04:13,043 INFO L111 eAbstractionObserver]: Analyzing ICFG mix021_rmo.oepc.i [2021-03-11 20:04:13,049 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-11 20:04:13,052 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-03-11 20:04:13,052 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-11 20:04:13,086 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,086 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,086 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,086 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,086 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,086 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,086 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,087 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,087 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,087 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,087 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,087 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,087 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,087 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,087 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,088 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,088 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,088 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,088 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,088 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,088 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,088 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,088 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,089 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,089 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,089 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,089 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,089 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,089 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,089 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,090 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,090 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,090 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,090 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,090 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,091 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,091 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,091 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,091 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,091 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,091 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,091 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,091 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,092 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,092 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,092 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,092 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,092 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,092 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,092 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,092 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,092 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,093 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,093 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,093 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,093 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,093 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,093 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,093 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,094 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,094 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,094 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,094 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,094 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,094 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,094 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,094 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,095 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,095 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,095 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,095 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,095 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,095 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,095 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,095 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,096 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,096 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,096 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,096 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,096 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,096 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,096 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,097 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,097 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,097 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,097 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,097 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,098 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,098 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,098 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,098 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,098 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,098 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,098 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,098 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,098 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,099 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,099 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,099 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,099 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,099 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,099 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,099 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,099 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,099 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,100 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,100 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,100 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,100 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,100 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,100 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,100 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,100 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,100 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,101 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,101 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,101 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,101 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,101 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,101 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,101 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,101 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,101 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,101 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,102 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,102 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,102 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,102 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,102 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,102 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,102 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,102 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,104 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,104 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,104 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,104 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,104 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,105 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,105 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,105 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,105 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,105 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,105 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,105 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,105 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,105 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,105 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,105 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,106 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,106 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,106 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,106 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,106 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,106 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,106 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,106 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,106 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,106 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,106 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,106 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,107 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,107 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,107 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,107 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,107 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,107 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,107 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,107 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,107 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,107 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,109 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,109 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,109 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,110 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,110 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,110 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,110 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,110 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,110 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,110 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,110 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,111 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,111 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,111 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,111 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,111 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,111 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,111 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,113 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,113 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,113 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,114 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,114 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,114 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,114 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,114 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,114 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,114 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,114 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,114 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,116 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,116 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,116 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,116 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,117 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,117 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,117 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,117 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,117 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,117 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,118 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,118 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,119 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,119 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,119 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,119 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,119 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,119 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,119 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,119 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,125 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,125 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,126 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,126 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,126 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,126 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,126 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,126 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,126 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,126 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,127 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,127 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,127 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,127 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,127 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,127 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,127 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,127 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,127 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,128 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,128 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,128 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,128 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,128 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,128 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,128 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,128 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,129 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,129 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,129 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,129 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,129 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,129 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:04:13,130 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-11 20:04:13,146 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-03-11 20:04:13,162 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-11 20:04:13,162 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-11 20:04:13,162 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-11 20:04:13,162 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-11 20:04:13,162 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-11 20:04:13,162 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-11 20:04:13,162 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-11 20:04:13,162 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-11 20:04:13,172 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 128 places, 117 transitions, 254 flow [2021-03-11 20:04:13,238 INFO L129 PetriNetUnfolder]: 2/113 cut-off events. [2021-03-11 20:04:13,238 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-11 20:04:13,242 INFO L84 FinitePrefix]: Finished finitePrefix Result has 126 conditions, 113 events. 2/113 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. 0/109 useless extension candidates. Maximal degree in co-relation 77. Up to 2 conditions per place. [2021-03-11 20:04:13,242 INFO L82 GeneralOperation]: Start removeDead. Operand has 128 places, 117 transitions, 254 flow [2021-03-11 20:04:13,249 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 124 places, 113 transitions, 238 flow [2021-03-11 20:04:13,253 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-11 20:04:13,261 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 124 places, 113 transitions, 238 flow [2021-03-11 20:04:13,263 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 124 places, 113 transitions, 238 flow [2021-03-11 20:04:13,263 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 124 places, 113 transitions, 238 flow [2021-03-11 20:04:13,282 INFO L129 PetriNetUnfolder]: 2/113 cut-off events. [2021-03-11 20:04:13,282 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-11 20:04:13,283 INFO L84 FinitePrefix]: Finished finitePrefix Result has 126 conditions, 113 events. 2/113 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 90 event pairs, 0 based on Foata normal form. 0/109 useless extension candidates. Maximal degree in co-relation 77. Up to 2 conditions per place. [2021-03-11 20:04:13,285 INFO L116 LiptonReduction]: Number of co-enabled transitions 2774 [2021-03-11 20:04:14,102 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2021-03-11 20:04:14,545 WARN L205 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 84 [2021-03-11 20:04:14,700 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-03-11 20:04:18,349 WARN L205 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 122 [2021-03-11 20:04:18,492 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2021-03-11 20:04:18,899 WARN L205 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 122 [2021-03-11 20:04:19,060 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2021-03-11 20:04:19,064 INFO L131 LiptonReduction]: Checked pairs total: 8408 [2021-03-11 20:04:19,064 INFO L133 LiptonReduction]: Total number of compositions: 92 [2021-03-11 20:04:19,065 INFO L182 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5816 [2021-03-11 20:04:19,071 INFO L129 PetriNetUnfolder]: 0/2 cut-off events. [2021-03-11 20:04:19,072 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-11 20:04:19,072 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 20:04:19,072 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2021-03-11 20:04:19,072 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]=== [2021-03-11 20:04:19,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 20:04:19,076 INFO L82 PathProgramCache]: Analyzing trace with hash 1209357, now seen corresponding path program 1 times [2021-03-11 20:04:19,083 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 20:04:19,083 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934685483] [2021-03-11 20:04:19,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 20:04:19,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 20:04:19,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:04:19,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 20:04:19,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 20:04:19,310 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934685483] [2021-03-11 20:04:19,310 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 20:04:19,311 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-03-11 20:04:19,311 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508043261] [2021-03-11 20:04:19,318 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-11 20:04:19,318 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 20:04:19,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-11 20:04:19,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-11 20:04:19,332 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 178 out of 209 [2021-03-11 20:04:19,334 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 32 transitions, 76 flow. Second operand has 3 states, 3 states have (on average 178.66666666666666) internal successors, (536), 3 states have internal predecessors, (536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:04:19,334 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 20:04:19,335 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 178 of 209 [2021-03-11 20:04:19,335 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 20:04:19,491 INFO L129 PetriNetUnfolder]: 133/316 cut-off events. [2021-03-11 20:04:19,492 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-11 20:04:19,495 INFO L84 FinitePrefix]: Finished finitePrefix Result has 535 conditions, 316 events. 133/316 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 1676 event pairs, 110 based on Foata normal form. 33/320 useless extension candidates. Maximal degree in co-relation 524. Up to 153 conditions per place. [2021-03-11 20:04:19,498 INFO L132 encePairwiseOnDemand]: 205/209 looper letters, 11 selfloop transitions, 2 changer transitions 0/35 dead transitions. [2021-03-11 20:04:19,498 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 35 transitions, 108 flow [2021-03-11 20:04:19,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-11 20:04:19,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-11 20:04:19,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 550 transitions. [2021-03-11 20:04:19,516 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.8771929824561403 [2021-03-11 20:04:19,516 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 550 transitions. [2021-03-11 20:04:19,517 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 550 transitions. [2021-03-11 20:04:19,520 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 20:04:19,522 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 550 transitions. [2021-03-11 20:04:19,527 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 183.33333333333334) internal successors, (550), 3 states have internal predecessors, (550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:04:19,535 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 209.0) internal successors, (836), 4 states have internal predecessors, (836), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:04:19,535 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 209.0) internal successors, (836), 4 states have internal predecessors, (836), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:04:19,536 INFO L185 Difference]: Start difference. First operand has 44 places, 32 transitions, 76 flow. Second operand 3 states and 550 transitions. [2021-03-11 20:04:19,537 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 35 transitions, 108 flow [2021-03-11 20:04:19,539 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 35 transitions, 104 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-03-11 20:04:19,540 INFO L241 Difference]: Finished difference. Result has 41 places, 30 transitions, 72 flow [2021-03-11 20:04:19,541 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=68, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=72, PETRI_PLACES=41, PETRI_TRANSITIONS=30} [2021-03-11 20:04:19,542 INFO L335 CegarLoopForPetriNet]: 44 programPoint places, -3 predicate places. [2021-03-11 20:04:19,542 INFO L480 AbstractCegarLoop]: Abstraction has has 41 places, 30 transitions, 72 flow [2021-03-11 20:04:19,542 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 178.66666666666666) internal successors, (536), 3 states have internal predecessors, (536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:04:19,543 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 20:04:19,543 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 20:04:19,543 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-11 20:04:19,543 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]=== [2021-03-11 20:04:19,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 20:04:19,544 INFO L82 PathProgramCache]: Analyzing trace with hash 1045958963, now seen corresponding path program 1 times [2021-03-11 20:04:19,544 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 20:04:19,544 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949263597] [2021-03-11 20:04:19,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 20:04:19,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 20:04:19,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:04:19,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 20:04:19,642 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-11 20:04:19,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 20:04:19,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 20:04:19,646 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949263597] [2021-03-11 20:04:19,646 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 20:04:19,646 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-11 20:04:19,647 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771847214] [2021-03-11 20:04:19,648 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-11 20:04:19,648 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 20:04:19,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-11 20:04:19,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-11 20:04:19,649 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 175 out of 209 [2021-03-11 20:04:19,650 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 30 transitions, 72 flow. Second operand has 4 states, 4 states have (on average 175.75) internal successors, (703), 4 states have internal predecessors, (703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:04:19,650 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 20:04:19,650 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 175 of 209 [2021-03-11 20:04:19,651 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 20:04:19,678 INFO L129 PetriNetUnfolder]: 13/68 cut-off events. [2021-03-11 20:04:19,678 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-11 20:04:19,679 INFO L84 FinitePrefix]: Finished finitePrefix Result has 112 conditions, 68 events. 13/68 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 206 event pairs, 2 based on Foata normal form. 0/63 useless extension candidates. Maximal degree in co-relation 103. Up to 15 conditions per place. [2021-03-11 20:04:19,679 INFO L132 encePairwiseOnDemand]: 203/209 looper letters, 4 selfloop transitions, 3 changer transitions 8/39 dead transitions. [2021-03-11 20:04:19,679 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 39 transitions, 120 flow [2021-03-11 20:04:19,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-11 20:04:19,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-11 20:04:19,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 892 transitions. [2021-03-11 20:04:19,682 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.8535885167464115 [2021-03-11 20:04:19,682 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 892 transitions. [2021-03-11 20:04:19,682 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 892 transitions. [2021-03-11 20:04:19,682 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 20:04:19,683 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 892 transitions. [2021-03-11 20:04:19,685 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 178.4) internal successors, (892), 5 states have internal predecessors, (892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:04:19,687 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 209.0) internal successors, (1254), 6 states have internal predecessors, (1254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:04:19,688 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 209.0) internal successors, (1254), 6 states have internal predecessors, (1254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:04:19,688 INFO L185 Difference]: Start difference. First operand has 41 places, 30 transitions, 72 flow. Second operand 5 states and 892 transitions. [2021-03-11 20:04:19,688 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 39 transitions, 120 flow [2021-03-11 20:04:19,688 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 39 transitions, 116 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-11 20:04:19,689 INFO L241 Difference]: Finished difference. Result has 46 places, 31 transitions, 93 flow [2021-03-11 20:04:19,689 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=68, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=93, PETRI_PLACES=46, PETRI_TRANSITIONS=31} [2021-03-11 20:04:19,690 INFO L335 CegarLoopForPetriNet]: 44 programPoint places, 2 predicate places. [2021-03-11 20:04:19,690 INFO L480 AbstractCegarLoop]: Abstraction has has 46 places, 31 transitions, 93 flow [2021-03-11 20:04:19,690 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 175.75) internal successors, (703), 4 states have internal predecessors, (703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:04:19,691 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 20:04:19,691 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 20:04:19,691 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-11 20:04:19,691 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]=== [2021-03-11 20:04:19,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 20:04:19,691 INFO L82 PathProgramCache]: Analyzing trace with hash 1314892748, now seen corresponding path program 1 times [2021-03-11 20:04:19,692 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 20:04:19,692 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615180588] [2021-03-11 20:04:19,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 20:04:19,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 20:04:19,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:04:19,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 20:04:19,786 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-03-11 20:04:19,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 20:04:19,802 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-11 20:04:19,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 20:04:19,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 20:04:19,807 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615180588] [2021-03-11 20:04:19,807 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 20:04:19,807 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-11 20:04:19,808 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249987335] [2021-03-11 20:04:19,808 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-11 20:04:19,808 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 20:04:19,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-11 20:04:19,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-11 20:04:19,810 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 156 out of 209 [2021-03-11 20:04:19,811 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 31 transitions, 93 flow. Second operand has 5 states, 5 states have (on average 156.8) internal successors, (784), 5 states have internal predecessors, (784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:04:19,811 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 20:04:19,811 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 156 of 209 [2021-03-11 20:04:19,811 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 20:04:20,006 INFO L129 PetriNetUnfolder]: 429/960 cut-off events. [2021-03-11 20:04:20,006 INFO L130 PetriNetUnfolder]: For 481/654 co-relation queries the response was YES. [2021-03-11 20:04:20,010 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2106 conditions, 960 events. 429/960 cut-off events. For 481/654 co-relation queries the response was YES. Maximal size of possible extension queue 111. Compared 6371 event pairs, 80 based on Foata normal form. 69/1004 useless extension candidates. Maximal degree in co-relation 2094. Up to 339 conditions per place. [2021-03-11 20:04:20,016 INFO L132 encePairwiseOnDemand]: 199/209 looper letters, 16 selfloop transitions, 12 changer transitions 21/68 dead transitions. [2021-03-11 20:04:20,016 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 68 transitions, 306 flow [2021-03-11 20:04:20,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-11 20:04:20,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-11 20:04:20,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1140 transitions. [2021-03-11 20:04:20,020 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.7792207792207793 [2021-03-11 20:04:20,020 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1140 transitions. [2021-03-11 20:04:20,020 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1140 transitions. [2021-03-11 20:04:20,021 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 20:04:20,021 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1140 transitions. [2021-03-11 20:04:20,024 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 162.85714285714286) internal successors, (1140), 7 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) [2021-03-11 20:04:20,027 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 209.0) internal successors, (1672), 8 states have internal predecessors, (1672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:04:20,028 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 209.0) internal successors, (1672), 8 states have internal predecessors, (1672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:04:20,028 INFO L185 Difference]: Start difference. First operand has 46 places, 31 transitions, 93 flow. Second operand 7 states and 1140 transitions. [2021-03-11 20:04:20,028 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 68 transitions, 306 flow [2021-03-11 20:04:20,032 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 68 transitions, 296 flow, removed 2 selfloop flow, removed 2 redundant places. [2021-03-11 20:04:20,033 INFO L241 Difference]: Finished difference. Result has 53 places, 42 transitions, 208 flow [2021-03-11 20:04:20,033 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=88, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=208, PETRI_PLACES=53, PETRI_TRANSITIONS=42} [2021-03-11 20:04:20,033 INFO L335 CegarLoopForPetriNet]: 44 programPoint places, 9 predicate places. [2021-03-11 20:04:20,034 INFO L480 AbstractCegarLoop]: Abstraction has has 53 places, 42 transitions, 208 flow [2021-03-11 20:04:20,034 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 156.8) internal successors, (784), 5 states have internal predecessors, (784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:04:20,034 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 20:04:20,034 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 20:04:20,034 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-11 20:04:20,035 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]=== [2021-03-11 20:04:20,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 20:04:20,035 INFO L82 PathProgramCache]: Analyzing trace with hash 142442238, now seen corresponding path program 1 times [2021-03-11 20:04:20,035 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 20:04:20,035 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930143929] [2021-03-11 20:04:20,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 20:04:20,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 20:04:20,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:04:20,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 20:04:20,114 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-11 20:04:20,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 20:04:20,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 20:04:20,117 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930143929] [2021-03-11 20:04:20,118 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 20:04:20,118 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-11 20:04:20,118 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821449256] [2021-03-11 20:04:20,118 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-11 20:04:20,119 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 20:04:20,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-11 20:04:20,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-11 20:04:20,121 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 177 out of 209 [2021-03-11 20:04:20,121 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 42 transitions, 208 flow. Second operand has 4 states, 4 states have (on average 177.75) internal successors, (711), 4 states have internal predecessors, (711), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:04:20,122 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 20:04:20,122 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 177 of 209 [2021-03-11 20:04:20,122 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 20:04:20,225 INFO L129 PetriNetUnfolder]: 248/668 cut-off events. [2021-03-11 20:04:20,226 INFO L130 PetriNetUnfolder]: For 1478/1595 co-relation queries the response was YES. [2021-03-11 20:04:20,228 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1934 conditions, 668 events. 248/668 cut-off events. For 1478/1595 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 4539 event pairs, 84 based on Foata normal form. 44/690 useless extension candidates. Maximal degree in co-relation 1916. Up to 271 conditions per place. [2021-03-11 20:04:20,231 INFO L132 encePairwiseOnDemand]: 205/209 looper letters, 2 selfloop transitions, 5 changer transitions 1/45 dead transitions. [2021-03-11 20:04:20,231 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 45 transitions, 244 flow [2021-03-11 20:04:20,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-11 20:04:20,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-11 20:04:20,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 893 transitions. [2021-03-11 20:04:20,233 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.8545454545454545 [2021-03-11 20:04:20,234 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 893 transitions. [2021-03-11 20:04:20,234 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 893 transitions. [2021-03-11 20:04:20,235 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 20:04:20,235 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 893 transitions. [2021-03-11 20:04:20,237 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 178.6) internal successors, (893), 5 states have internal predecessors, (893), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:04:20,239 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 209.0) internal successors, (1254), 6 states have internal predecessors, (1254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:04:20,242 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 209.0) internal successors, (1254), 6 states have internal predecessors, (1254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:04:20,243 INFO L185 Difference]: Start difference. First operand has 53 places, 42 transitions, 208 flow. Second operand 5 states and 893 transitions. [2021-03-11 20:04:20,243 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 45 transitions, 244 flow [2021-03-11 20:04:20,248 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 45 transitions, 238 flow, removed 3 selfloop flow, removed 2 redundant places. [2021-03-11 20:04:20,250 INFO L241 Difference]: Finished difference. Result has 55 places, 44 transitions, 239 flow [2021-03-11 20:04:20,250 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=202, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=239, PETRI_PLACES=55, PETRI_TRANSITIONS=44} [2021-03-11 20:04:20,250 INFO L335 CegarLoopForPetriNet]: 44 programPoint places, 11 predicate places. [2021-03-11 20:04:20,250 INFO L480 AbstractCegarLoop]: Abstraction has has 55 places, 44 transitions, 239 flow [2021-03-11 20:04:20,251 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 177.75) internal successors, (711), 4 states have internal predecessors, (711), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:04:20,251 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 20:04:20,251 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 20:04:20,251 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-11 20:04:20,251 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]=== [2021-03-11 20:04:20,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 20:04:20,252 INFO L82 PathProgramCache]: Analyzing trace with hash 1741956147, now seen corresponding path program 1 times [2021-03-11 20:04:20,252 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 20:04:20,252 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280399141] [2021-03-11 20:04:20,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 20:04:20,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 20:04:20,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:04:20,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 20:04:20,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:04:20,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 20:04:20,313 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-11 20:04:20,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 20:04:20,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 20:04:20,317 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280399141] [2021-03-11 20:04:20,317 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 20:04:20,317 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-11 20:04:20,317 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578452063] [2021-03-11 20:04:20,318 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-11 20:04:20,318 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 20:04:20,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-11 20:04:20,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-11 20:04:20,319 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 175 out of 209 [2021-03-11 20:04:20,321 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 44 transitions, 239 flow. Second operand has 4 states, 4 states have (on average 176.0) internal successors, (704), 4 states have internal predecessors, (704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:04:20,321 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 20:04:20,321 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 175 of 209 [2021-03-11 20:04:20,321 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 20:04:20,475 INFO L129 PetriNetUnfolder]: 272/897 cut-off events. [2021-03-11 20:04:20,476 INFO L130 PetriNetUnfolder]: For 1538/1713 co-relation queries the response was YES. [2021-03-11 20:04:20,479 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2535 conditions, 897 events. 272/897 cut-off events. For 1538/1713 co-relation queries the response was YES. Maximal size of possible extension queue 108. Compared 7325 event pairs, 92 based on Foata normal form. 22/899 useless extension candidates. Maximal degree in co-relation 2514. Up to 344 conditions per place. [2021-03-11 20:04:20,483 INFO L132 encePairwiseOnDemand]: 205/209 looper letters, 7 selfloop transitions, 6 changer transitions 4/49 dead transitions. [2021-03-11 20:04:20,483 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 49 transitions, 325 flow [2021-03-11 20:04:20,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-11 20:04:20,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-11 20:04:20,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 886 transitions. [2021-03-11 20:04:20,485 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.8478468899521531 [2021-03-11 20:04:20,485 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 886 transitions. [2021-03-11 20:04:20,485 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 886 transitions. [2021-03-11 20:04:20,486 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 20:04:20,486 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 886 transitions. [2021-03-11 20:04:20,488 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 177.2) internal successors, (886), 5 states have internal predecessors, (886), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:04:20,490 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 209.0) internal successors, (1254), 6 states have internal predecessors, (1254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:04:20,490 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 209.0) internal successors, (1254), 6 states have internal predecessors, (1254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:04:20,490 INFO L185 Difference]: Start difference. First operand has 55 places, 44 transitions, 239 flow. Second operand 5 states and 886 transitions. [2021-03-11 20:04:20,490 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 49 transitions, 325 flow [2021-03-11 20:04:20,493 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 49 transitions, 314 flow, removed 4 selfloop flow, removed 1 redundant places. [2021-03-11 20:04:20,494 INFO L241 Difference]: Finished difference. Result has 61 places, 44 transitions, 258 flow [2021-03-11 20:04:20,494 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=232, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=258, PETRI_PLACES=61, PETRI_TRANSITIONS=44} [2021-03-11 20:04:20,495 INFO L335 CegarLoopForPetriNet]: 44 programPoint places, 17 predicate places. [2021-03-11 20:04:20,495 INFO L480 AbstractCegarLoop]: Abstraction has has 61 places, 44 transitions, 258 flow [2021-03-11 20:04:20,495 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 176.0) internal successors, (704), 4 states have internal predecessors, (704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:04:20,495 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 20:04:20,495 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 20:04:20,495 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-11 20:04:20,496 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]=== [2021-03-11 20:04:20,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 20:04:20,496 INFO L82 PathProgramCache]: Analyzing trace with hash 1518377124, now seen corresponding path program 1 times [2021-03-11 20:04:20,496 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 20:04:20,496 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734549549] [2021-03-11 20:04:20,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 20:04:20,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 20:04:20,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:04:20,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 20:04:20,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:04:20,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 20:04:20,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:04:20,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 20:04:20,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 20:04:20,557 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734549549] [2021-03-11 20:04:20,557 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 20:04:20,557 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-11 20:04:20,561 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949208704] [2021-03-11 20:04:20,561 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-11 20:04:20,561 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 20:04:20,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-11 20:04:20,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-11 20:04:20,569 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 171 out of 209 [2021-03-11 20:04:20,570 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 44 transitions, 258 flow. Second operand has 4 states, 4 states have (on average 171.75) internal successors, (687), 4 states have internal predecessors, (687), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:04:20,570 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 20:04:20,570 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 171 of 209 [2021-03-11 20:04:20,570 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 20:04:20,907 INFO L129 PetriNetUnfolder]: 1285/2749 cut-off events. [2021-03-11 20:04:20,907 INFO L130 PetriNetUnfolder]: For 3557/3832 co-relation queries the response was YES. [2021-03-11 20:04:20,925 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6845 conditions, 2749 events. 1285/2749 cut-off events. For 3557/3832 co-relation queries the response was YES. Maximal size of possible extension queue 396. Compared 23937 event pairs, 630 based on Foata normal form. 211/2728 useless extension candidates. Maximal degree in co-relation 6821. Up to 1575 conditions per place. [2021-03-11 20:04:20,940 INFO L132 encePairwiseOnDemand]: 202/209 looper letters, 10 selfloop transitions, 10 changer transitions 0/57 dead transitions. [2021-03-11 20:04:20,940 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 57 transitions, 324 flow [2021-03-11 20:04:20,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-11 20:04:20,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-11 20:04:20,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 877 transitions. [2021-03-11 20:04:20,943 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.8392344497607656 [2021-03-11 20:04:20,943 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 877 transitions. [2021-03-11 20:04:20,943 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 877 transitions. [2021-03-11 20:04:20,944 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 20:04:20,944 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 877 transitions. [2021-03-11 20:04:20,946 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 175.4) internal successors, (877), 5 states have internal predecessors, (877), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:04:20,948 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 209.0) internal successors, (1254), 6 states have internal predecessors, (1254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:04:20,948 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 209.0) internal successors, (1254), 6 states have internal predecessors, (1254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:04:20,948 INFO L185 Difference]: Start difference. First operand has 61 places, 44 transitions, 258 flow. Second operand 5 states and 877 transitions. [2021-03-11 20:04:20,949 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 57 transitions, 324 flow [2021-03-11 20:04:20,957 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 57 transitions, 310 flow, removed 4 selfloop flow, removed 3 redundant places. [2021-03-11 20:04:20,959 INFO L241 Difference]: Finished difference. Result has 63 places, 53 transitions, 319 flow [2021-03-11 20:04:20,959 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=244, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=319, PETRI_PLACES=63, PETRI_TRANSITIONS=53} [2021-03-11 20:04:20,959 INFO L335 CegarLoopForPetriNet]: 44 programPoint places, 19 predicate places. [2021-03-11 20:04:20,959 INFO L480 AbstractCegarLoop]: Abstraction has has 63 places, 53 transitions, 319 flow [2021-03-11 20:04:20,960 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 171.75) internal successors, (687), 4 states have internal predecessors, (687), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:04:20,960 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 20:04:20,960 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 20:04:20,960 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-11 20:04:20,960 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]=== [2021-03-11 20:04:20,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 20:04:20,960 INFO L82 PathProgramCache]: Analyzing trace with hash -2001614557, now seen corresponding path program 1 times [2021-03-11 20:04:20,962 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 20:04:20,962 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798209370] [2021-03-11 20:04:20,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 20:04:20,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 20:04:21,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:04:21,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 20:04:21,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:04:21,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 20:04:21,031 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-03-11 20:04:21,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 20:04:21,048 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-11 20:04:21,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 20:04:21,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 20:04:21,053 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798209370] [2021-03-11 20:04:21,053 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 20:04:21,053 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-11 20:04:21,053 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089949790] [2021-03-11 20:04:21,054 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-11 20:04:21,054 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 20:04:21,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-11 20:04:21,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-11 20:04:21,055 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 156 out of 209 [2021-03-11 20:04:21,056 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 53 transitions, 319 flow. Second operand has 5 states, 5 states have (on average 157.2) internal successors, (786), 5 states have internal predecessors, (786), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:04:21,056 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 20:04:21,056 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 156 of 209 [2021-03-11 20:04:21,056 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 20:04:21,703 INFO L129 PetriNetUnfolder]: 2082/4558 cut-off events. [2021-03-11 20:04:21,703 INFO L130 PetriNetUnfolder]: For 8146/10321 co-relation queries the response was YES. [2021-03-11 20:04:21,734 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14883 conditions, 4558 events. 2082/4558 cut-off events. For 8146/10321 co-relation queries the response was YES. Maximal size of possible extension queue 591. Compared 43536 event pairs, 963 based on Foata normal form. 196/4341 useless extension candidates. Maximal degree in co-relation 14857. Up to 2795 conditions per place. [2021-03-11 20:04:21,755 INFO L132 encePairwiseOnDemand]: 199/209 looper letters, 32 selfloop transitions, 22 changer transitions 4/86 dead transitions. [2021-03-11 20:04:21,755 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 86 transitions, 697 flow [2021-03-11 20:04:21,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-11 20:04:21,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-11 20:04:21,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1131 transitions. [2021-03-11 20:04:21,758 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.773069036226931 [2021-03-11 20:04:21,758 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1131 transitions. [2021-03-11 20:04:21,758 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1131 transitions. [2021-03-11 20:04:21,759 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 20:04:21,759 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1131 transitions. [2021-03-11 20:04:21,761 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 161.57142857142858) internal successors, (1131), 7 states have internal predecessors, (1131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:04:21,764 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 209.0) internal successors, (1672), 8 states have internal predecessors, (1672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:04:21,766 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 209.0) internal successors, (1672), 8 states have internal predecessors, (1672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:04:21,766 INFO L185 Difference]: Start difference. First operand has 63 places, 53 transitions, 319 flow. Second operand 7 states and 1131 transitions. [2021-03-11 20:04:21,766 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 86 transitions, 697 flow [2021-03-11 20:04:21,782 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 86 transitions, 692 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-11 20:04:21,785 INFO L241 Difference]: Finished difference. Result has 74 places, 69 transitions, 560 flow [2021-03-11 20:04:21,786 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=314, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=53, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=560, PETRI_PLACES=74, PETRI_TRANSITIONS=69} [2021-03-11 20:04:21,786 INFO L335 CegarLoopForPetriNet]: 44 programPoint places, 30 predicate places. [2021-03-11 20:04:21,786 INFO L480 AbstractCegarLoop]: Abstraction has has 74 places, 69 transitions, 560 flow [2021-03-11 20:04:21,786 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 157.2) internal successors, (786), 5 states have internal predecessors, (786), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:04:21,786 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 20:04:21,786 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 20:04:21,787 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-11 20:04:21,787 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]=== [2021-03-11 20:04:21,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 20:04:21,787 INFO L82 PathProgramCache]: Analyzing trace with hash 123473513, now seen corresponding path program 1 times [2021-03-11 20:04:21,787 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 20:04:21,787 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897490886] [2021-03-11 20:04:21,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 20:04:21,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 20:04:21,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:04:21,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 20:04:21,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:04:21,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 20:04:21,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:04:21,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 20:04:21,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:04:21,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 20:04:21,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 20:04:21,860 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897490886] [2021-03-11 20:04:21,860 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 20:04:21,860 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-11 20:04:21,861 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982784786] [2021-03-11 20:04:21,861 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-11 20:04:21,861 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 20:04:21,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-11 20:04:21,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-11 20:04:21,863 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 171 out of 209 [2021-03-11 20:04:21,863 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 69 transitions, 560 flow. Second operand has 5 states, 5 states have (on average 171.8) internal successors, (859), 5 states have internal predecessors, (859), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:04:21,863 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 20:04:21,863 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 171 of 209 [2021-03-11 20:04:21,864 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 20:04:22,364 INFO L129 PetriNetUnfolder]: 1353/3125 cut-off events. [2021-03-11 20:04:22,364 INFO L130 PetriNetUnfolder]: For 6674/9328 co-relation queries the response was YES. [2021-03-11 20:04:22,386 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12226 conditions, 3125 events. 1353/3125 cut-off events. For 6674/9328 co-relation queries the response was YES. Maximal size of possible extension queue 457. Compared 28915 event pairs, 252 based on Foata normal form. 939/3855 useless extension candidates. Maximal degree in co-relation 12193. Up to 2192 conditions per place. [2021-03-11 20:04:22,402 INFO L132 encePairwiseOnDemand]: 202/209 looper letters, 10 selfloop transitions, 19 changer transitions 2/82 dead transitions. [2021-03-11 20:04:22,402 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 82 transitions, 694 flow [2021-03-11 20:04:22,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-11 20:04:22,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-11 20:04:22,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1228 transitions. [2021-03-11 20:04:22,405 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.8393711551606289 [2021-03-11 20:04:22,405 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1228 transitions. [2021-03-11 20:04:22,405 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1228 transitions. [2021-03-11 20:04:22,406 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 20:04:22,406 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1228 transitions. [2021-03-11 20:04:22,408 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 175.42857142857142) internal successors, (1228), 7 states have internal predecessors, (1228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:04:22,411 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 209.0) internal successors, (1672), 8 states have internal predecessors, (1672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:04:22,411 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 209.0) internal successors, (1672), 8 states have internal predecessors, (1672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:04:22,412 INFO L185 Difference]: Start difference. First operand has 74 places, 69 transitions, 560 flow. Second operand 7 states and 1228 transitions. [2021-03-11 20:04:22,412 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 82 transitions, 694 flow [2021-03-11 20:04:22,434 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 82 transitions, 684 flow, removed 5 selfloop flow, removed 0 redundant places. [2021-03-11 20:04:22,436 INFO L241 Difference]: Finished difference. Result has 83 places, 76 transitions, 664 flow [2021-03-11 20:04:22,436 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=550, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=54, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=664, PETRI_PLACES=83, PETRI_TRANSITIONS=76} [2021-03-11 20:04:22,436 INFO L335 CegarLoopForPetriNet]: 44 programPoint places, 39 predicate places. [2021-03-11 20:04:22,436 INFO L480 AbstractCegarLoop]: Abstraction has has 83 places, 76 transitions, 664 flow [2021-03-11 20:04:22,436 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 171.8) internal successors, (859), 5 states have internal predecessors, (859), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:04:22,437 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 20:04:22,437 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 20:04:22,437 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-11 20:04:22,437 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]=== [2021-03-11 20:04:22,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 20:04:22,438 INFO L82 PathProgramCache]: Analyzing trace with hash -1941729985, now seen corresponding path program 1 times [2021-03-11 20:04:22,438 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 20:04:22,439 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277427114] [2021-03-11 20:04:22,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 20:04:22,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 20:04:22,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:04:22,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 20:04:22,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:04:22,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 20:04:22,504 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-03-11 20:04:22,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 20:04:22,516 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-11 20:04:22,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 20:04:22,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 20:04:22,521 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277427114] [2021-03-11 20:04:22,521 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 20:04:22,521 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-11 20:04:22,521 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959342691] [2021-03-11 20:04:22,521 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-11 20:04:22,521 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 20:04:22,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-11 20:04:22,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-03-11 20:04:22,523 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 209 [2021-03-11 20:04:22,523 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 76 transitions, 664 flow. Second operand has 5 states, 5 states have (on average 153.8) internal successors, (769), 5 states have internal predecessors, (769), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:04:22,524 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 20:04:22,524 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 209 [2021-03-11 20:04:22,524 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 20:04:23,249 INFO L129 PetriNetUnfolder]: 1975/4678 cut-off events. [2021-03-11 20:04:23,249 INFO L130 PetriNetUnfolder]: For 22410/31843 co-relation queries the response was YES. [2021-03-11 20:04:23,288 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22161 conditions, 4678 events. 1975/4678 cut-off events. For 22410/31843 co-relation queries the response was YES. Maximal size of possible extension queue 736. Compared 46695 event pairs, 307 based on Foata normal form. 220/4533 useless extension candidates. Maximal degree in co-relation 22123. Up to 3116 conditions per place. [2021-03-11 20:04:23,313 INFO L132 encePairwiseOnDemand]: 198/209 looper letters, 37 selfloop transitions, 49 changer transitions 11/133 dead transitions. [2021-03-11 20:04:23,313 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 133 transitions, 1448 flow [2021-03-11 20:04:23,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-11 20:04:23,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-11 20:04:23,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1108 transitions. [2021-03-11 20:04:23,316 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.7573479152426521 [2021-03-11 20:04:23,317 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1108 transitions. [2021-03-11 20:04:23,317 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1108 transitions. [2021-03-11 20:04:23,317 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 20:04:23,318 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1108 transitions. [2021-03-11 20:04:23,320 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 158.28571428571428) internal successors, (1108), 7 states have internal predecessors, (1108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:04:23,323 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 209.0) internal successors, (1672), 8 states have internal predecessors, (1672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:04:23,324 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 209.0) internal successors, (1672), 8 states have internal predecessors, (1672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:04:23,324 INFO L185 Difference]: Start difference. First operand has 83 places, 76 transitions, 664 flow. Second operand 7 states and 1108 transitions. [2021-03-11 20:04:23,324 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 133 transitions, 1448 flow [2021-03-11 20:04:23,500 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 133 transitions, 1398 flow, removed 17 selfloop flow, removed 3 redundant places. [2021-03-11 20:04:23,506 INFO L241 Difference]: Finished difference. Result has 91 places, 111 transitions, 1206 flow [2021-03-11 20:04:23,507 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=614, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=76, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1206, PETRI_PLACES=91, PETRI_TRANSITIONS=111} [2021-03-11 20:04:23,507 INFO L335 CegarLoopForPetriNet]: 44 programPoint places, 47 predicate places. [2021-03-11 20:04:23,507 INFO L480 AbstractCegarLoop]: Abstraction has has 91 places, 111 transitions, 1206 flow [2021-03-11 20:04:23,507 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 153.8) internal successors, (769), 5 states have internal predecessors, (769), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:04:23,508 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 20:04:23,508 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 20:04:23,508 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-11 20:04:23,508 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]=== [2021-03-11 20:04:23,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 20:04:23,508 INFO L82 PathProgramCache]: Analyzing trace with hash -2001749049, now seen corresponding path program 2 times [2021-03-11 20:04:23,510 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 20:04:23,510 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825393721] [2021-03-11 20:04:23,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 20:04:23,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 20:04:23,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:04:23,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 20:04:23,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:04:23,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 20:04:23,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:04:23,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 20:04:23,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:04:23,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 20:04:23,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:04:23,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 20:04:23,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 20:04:23,615 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825393721] [2021-03-11 20:04:23,615 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 20:04:23,615 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-11 20:04:23,615 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800538872] [2021-03-11 20:04:23,616 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-11 20:04:23,616 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 20:04:23,617 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-11 20:04:23,617 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-03-11 20:04:23,618 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 171 out of 209 [2021-03-11 20:04:23,620 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 111 transitions, 1206 flow. Second operand has 6 states, 6 states have (on average 171.83333333333334) internal successors, (1031), 6 states have internal predecessors, (1031), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:04:23,620 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 20:04:23,620 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 171 of 209 [2021-03-11 20:04:23,620 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 20:04:24,201 INFO L129 PetriNetUnfolder]: 1523/3534 cut-off events. [2021-03-11 20:04:24,201 INFO L130 PetriNetUnfolder]: For 17708/27601 co-relation queries the response was YES. [2021-03-11 20:04:24,231 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17053 conditions, 3534 events. 1523/3534 cut-off events. For 17708/27601 co-relation queries the response was YES. Maximal size of possible extension queue 685. Compared 33839 event pairs, 37 based on Foata normal form. 1964/5209 useless extension candidates. Maximal degree in co-relation 17010. Up to 1956 conditions per place. [2021-03-11 20:04:24,243 INFO L132 encePairwiseOnDemand]: 202/209 looper letters, 6 selfloop transitions, 28 changer transitions 21/119 dead transitions. [2021-03-11 20:04:24,243 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 119 transitions, 1336 flow [2021-03-11 20:04:24,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-11 20:04:24,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-11 20:04:24,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1579 transitions. [2021-03-11 20:04:24,247 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.8394471026049973 [2021-03-11 20:04:24,247 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1579 transitions. [2021-03-11 20:04:24,247 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1579 transitions. [2021-03-11 20:04:24,248 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 20:04:24,248 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1579 transitions. [2021-03-11 20:04:24,251 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 175.44444444444446) internal successors, (1579), 9 states have internal predecessors, (1579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:04:24,254 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 209.0) internal successors, (2090), 10 states have internal predecessors, (2090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:04:24,255 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 209.0) internal successors, (2090), 10 states have internal predecessors, (2090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:04:24,255 INFO L185 Difference]: Start difference. First operand has 91 places, 111 transitions, 1206 flow. Second operand 9 states and 1579 transitions. [2021-03-11 20:04:24,255 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 119 transitions, 1336 flow [2021-03-11 20:04:24,350 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 119 transitions, 1303 flow, removed 12 selfloop flow, removed 1 redundant places. [2021-03-11 20:04:24,352 INFO L241 Difference]: Finished difference. Result has 101 places, 98 transitions, 1043 flow [2021-03-11 20:04:24,353 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=1101, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=106, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1043, PETRI_PLACES=101, PETRI_TRANSITIONS=98} [2021-03-11 20:04:24,353 INFO L335 CegarLoopForPetriNet]: 44 programPoint places, 57 predicate places. [2021-03-11 20:04:24,353 INFO L480 AbstractCegarLoop]: Abstraction has has 101 places, 98 transitions, 1043 flow [2021-03-11 20:04:24,353 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 171.83333333333334) internal successors, (1031), 6 states have internal predecessors, (1031), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:04:24,354 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 20:04:24,354 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 20:04:24,354 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-11 20:04:24,354 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]=== [2021-03-11 20:04:24,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 20:04:24,354 INFO L82 PathProgramCache]: Analyzing trace with hash -984402133, now seen corresponding path program 1 times [2021-03-11 20:04:24,354 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 20:04:24,354 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959701392] [2021-03-11 20:04:24,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 20:04:24,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 20:04:24,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:04:24,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 20:04:24,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:04:24,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 20:04:24,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:04:24,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 20:04:24,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:04:24,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 20:04:24,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:04:24,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 20:04:24,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:04:24,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 20:04:24,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 20:04:24,455 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959701392] [2021-03-11 20:04:24,455 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 20:04:24,455 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-11 20:04:24,455 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443839278] [2021-03-11 20:04:24,455 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-11 20:04:24,456 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 20:04:24,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-11 20:04:24,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-11 20:04:24,457 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 171 out of 209 [2021-03-11 20:04:24,458 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 98 transitions, 1043 flow. Second operand has 7 states, 7 states have (on average 171.85714285714286) internal successors, (1203), 7 states have internal predecessors, (1203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:04:24,458 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 20:04:24,458 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 171 of 209 [2021-03-11 20:04:24,458 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 20:04:24,941 INFO L129 PetriNetUnfolder]: 1342/3141 cut-off events. [2021-03-11 20:04:24,941 INFO L130 PetriNetUnfolder]: For 24215/36596 co-relation queries the response was YES. [2021-03-11 20:04:24,967 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18362 conditions, 3141 events. 1342/3141 cut-off events. For 24215/36596 co-relation queries the response was YES. Maximal size of possible extension queue 674. Compared 30164 event pairs, 8 based on Foata normal form. 1586/4445 useless extension candidates. Maximal degree in co-relation 18319. Up to 1701 conditions per place. [2021-03-11 20:04:24,972 INFO L132 encePairwiseOnDemand]: 202/209 looper letters, 2 selfloop transitions, 33 changer transitions 25/103 dead transitions. [2021-03-11 20:04:24,973 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 103 transitions, 1177 flow [2021-03-11 20:04:24,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-11 20:04:24,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-11 20:04:24,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1922 transitions. [2021-03-11 20:04:24,977 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.8360156589821661 [2021-03-11 20:04:24,977 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1922 transitions. [2021-03-11 20:04:24,977 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1922 transitions. [2021-03-11 20:04:24,979 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 20:04:24,979 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1922 transitions. [2021-03-11 20:04:24,983 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 174.72727272727272) internal successors, (1922), 11 states have internal predecessors, (1922), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:04:24,987 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 209.0) internal successors, (2508), 12 states have internal predecessors, (2508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:04:24,987 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 209.0) internal successors, (2508), 12 states have internal predecessors, (2508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:04:24,987 INFO L185 Difference]: Start difference. First operand has 101 places, 98 transitions, 1043 flow. Second operand 11 states and 1922 transitions. [2021-03-11 20:04:24,987 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 103 transitions, 1177 flow [2021-03-11 20:04:25,308 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 103 transitions, 1032 flow, removed 52 selfloop flow, removed 14 redundant places. [2021-03-11 20:04:25,309 INFO L241 Difference]: Finished difference. Result has 93 places, 78 transitions, 729 flow [2021-03-11 20:04:25,310 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=898, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=98, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=32, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=729, PETRI_PLACES=93, PETRI_TRANSITIONS=78} [2021-03-11 20:04:25,310 INFO L335 CegarLoopForPetriNet]: 44 programPoint places, 49 predicate places. [2021-03-11 20:04:25,310 INFO L480 AbstractCegarLoop]: Abstraction has has 93 places, 78 transitions, 729 flow [2021-03-11 20:04:25,310 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 171.85714285714286) internal successors, (1203), 7 states have internal predecessors, (1203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:04:25,310 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 20:04:25,310 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 20:04:25,311 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-11 20:04:25,311 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]=== [2021-03-11 20:04:25,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 20:04:25,311 INFO L82 PathProgramCache]: Analyzing trace with hash -1584909528, now seen corresponding path program 1 times [2021-03-11 20:04:25,311 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 20:04:25,311 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239535893] [2021-03-11 20:04:25,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 20:04:25,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-11 20:04:25,362 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-11 20:04:25,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-11 20:04:25,410 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-11 20:04:25,440 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-11 20:04:25,440 INFO L620 BasicCegarLoop]: Counterexample might be feasible [2021-03-11 20:04:25,440 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-03-11 20:04:25,529 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.03 08:04:25 BasicIcfg [2021-03-11 20:04:25,530 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-11 20:04:25,530 INFO L168 Benchmark]: Toolchain (without parser) took 15065.59 ms. Allocated memory was 255.9 MB in the beginning and 809.5 MB in the end (delta: 553.6 MB). Free memory was 233.2 MB in the beginning and 464.2 MB in the end (delta: -231.0 MB). Peak memory consumption was 322.3 MB. Max. memory is 16.0 GB. [2021-03-11 20:04:25,531 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 255.9 MB. Free memory is still 237.6 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-11 20:04:25,531 INFO L168 Benchmark]: CACSL2BoogieTranslator took 497.46 ms. Allocated memory was 255.9 MB in the beginning and 385.9 MB in the end (delta: 130.0 MB). Free memory was 232.5 MB in the beginning and 344.0 MB in the end (delta: -111.5 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.0 GB. [2021-03-11 20:04:25,531 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.58 ms. Allocated memory is still 385.9 MB. Free memory was 344.0 MB in the beginning and 341.2 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-03-11 20:04:25,532 INFO L168 Benchmark]: Boogie Preprocessor took 59.65 ms. Allocated memory is still 385.9 MB. Free memory was 341.2 MB in the beginning and 339.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-11 20:04:25,532 INFO L168 Benchmark]: RCFGBuilder took 1965.24 ms. Allocated memory is still 385.9 MB. Free memory was 339.1 MB in the beginning and 333.6 MB in the end (delta: 5.5 MB). Peak memory consumption was 62.5 MB. Max. memory is 16.0 GB. [2021-03-11 20:04:25,532 INFO L168 Benchmark]: TraceAbstraction took 12491.68 ms. Allocated memory was 385.9 MB in the beginning and 809.5 MB in the end (delta: 423.6 MB). Free memory was 332.5 MB in the beginning and 464.2 MB in the end (delta: -131.6 MB). Peak memory consumption was 292.0 MB. Max. memory is 16.0 GB. [2021-03-11 20:04:25,534 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 255.9 MB. Free memory is still 237.6 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 497.46 ms. Allocated memory was 255.9 MB in the beginning and 385.9 MB in the end (delta: 130.0 MB). Free memory was 232.5 MB in the beginning and 344.0 MB in the end (delta: -111.5 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 41.58 ms. Allocated memory is still 385.9 MB. Free memory was 344.0 MB in the beginning and 341.2 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 59.65 ms. Allocated memory is still 385.9 MB. Free memory was 341.2 MB in the beginning and 339.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 1965.24 ms. Allocated memory is still 385.9 MB. Free memory was 339.1 MB in the beginning and 333.6 MB in the end (delta: 5.5 MB). Peak memory consumption was 62.5 MB. Max. memory is 16.0 GB. * TraceAbstraction took 12491.68 ms. Allocated memory was 385.9 MB in the beginning and 809.5 MB in the end (delta: 423.6 MB). Free memory was 332.5 MB in the beginning and 464.2 MB in the end (delta: -131.6 MB). Peak memory consumption was 292.0 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5801.1ms, 124 PlacesBefore, 44 PlacesAfterwards, 113 TransitionsBefore, 32 TransitionsAfterwards, 2774 CoEnabledTransitionPairs, 7 FixpointIterations, 40 TrivialSequentialCompositions, 42 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 9 ConcurrentYvCompositions, 1 ChoiceCompositions, 92 TotalNumberOfCompositions, 8408 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3811, positive: 3579, positive conditional: 0, positive unconditional: 3579, negative: 232, negative conditional: 0, negative unconditional: 232, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1973, positive: 1898, positive conditional: 0, positive unconditional: 1898, negative: 75, negative conditional: 0, negative unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1973, positive: 1858, positive conditional: 0, positive unconditional: 1858, negative: 115, negative conditional: 0, negative unconditional: 115, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 115, positive: 40, positive conditional: 0, positive unconditional: 40, negative: 75, negative conditional: 0, negative unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 959, positive: 132, positive conditional: 0, positive unconditional: 132, negative: 828, negative conditional: 0, negative unconditional: 828, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3811, positive: 1681, positive conditional: 0, positive unconditional: 1681, negative: 157, negative conditional: 0, negative unconditional: 157, unknown: 1973, unknown conditional: 0, unknown unconditional: 1973] , Statistics on independence cache: Total cache size (in pairs): 319, Positive cache size: 289, Positive conditional cache size: 0, Positive unconditional cache size: 289, Negative cache size: 30, Negative conditional cache size: 0, Negative unconditional cache size: 30 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L710] 0 int __unbuffered_cnt = 0; [L712] 0 int __unbuffered_p2_EAX = 0; [L714] 0 int __unbuffered_p3_EAX = 0; [L716] 0 int __unbuffered_p3_EBX = 0; [L718] 0 int a = 0; [L719] 0 _Bool a$flush_delayed; [L720] 0 int a$mem_tmp; [L721] 0 _Bool a$r_buff0_thd0; [L722] 0 _Bool a$r_buff0_thd1; [L723] 0 _Bool a$r_buff0_thd2; [L724] 0 _Bool a$r_buff0_thd3; [L725] 0 _Bool a$r_buff0_thd4; [L726] 0 _Bool a$r_buff1_thd0; [L727] 0 _Bool a$r_buff1_thd1; [L728] 0 _Bool a$r_buff1_thd2; [L729] 0 _Bool a$r_buff1_thd3; [L730] 0 _Bool a$r_buff1_thd4; [L731] 0 _Bool a$read_delayed; [L732] 0 int *a$read_delayed_var; [L733] 0 int a$w_buff0; [L734] 0 _Bool a$w_buff0_used; [L735] 0 int a$w_buff1; [L736] 0 _Bool a$w_buff1_used; [L737] 0 _Bool main$tmp_guard0; [L738] 0 _Bool main$tmp_guard1; [L740] 0 int x = 0; [L742] 0 int y = 0; [L744] 0 int z = 0; [L745] 0 _Bool weak$$choice0; [L746] 0 _Bool weak$$choice2; [L864] 0 pthread_t t569; [L865] FCALL, FORK 0 pthread_create(&t569, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=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] [L866] 0 pthread_t t570; [L867] FCALL, FORK 0 pthread_create(&t570, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=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] [L868] 0 pthread_t t571; [L869] FCALL, FORK 0 pthread_create(&t571, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=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] [L870] 0 pthread_t t572; [L871] FCALL, FORK 0 pthread_create(&t572, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=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}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L750] 1 a$w_buff1 = a$w_buff0 [L751] 1 a$w_buff0 = 1 [L752] 1 a$w_buff1_used = a$w_buff0_used [L753] 1 a$w_buff0_used = (_Bool)1 [L18] COND FALSE 1 !(!expression) [L755] 1 a$r_buff1_thd0 = a$r_buff0_thd0 [L756] 1 a$r_buff1_thd1 = a$r_buff0_thd1 [L757] 1 a$r_buff1_thd2 = a$r_buff0_thd2 [L758] 1 a$r_buff1_thd3 = a$r_buff0_thd3 [L759] 1 a$r_buff1_thd4 = a$r_buff0_thd4 [L760] 1 a$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$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=0, y=0, z=0] [L763] 1 x = 1 VAL [__unbuffered_cnt=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] [L780] 2 x = 2 VAL [__unbuffered_cnt=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=2, y=0, z=0] [L783] 2 y = 1 VAL [__unbuffered_cnt=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=2, y=1, z=0] [L800] 3 y = 2 VAL [__unbuffered_cnt=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=2, y=2, z=0] [L803] 3 __unbuffered_p2_EAX = z VAL [__unbuffered_cnt=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=2, y=2, z=0] [L820] 4 z = 1 VAL [__unbuffered_cnt=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=2, y=2, z=1] [L823] 4 __unbuffered_p3_EAX = z VAL [__unbuffered_cnt=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=2, y=2, z=1] [L826] 4 weak$$choice0 = __VERIFIER_nondet_bool() [L827] 4 weak$$choice2 = __VERIFIER_nondet_bool() [L828] 4 a$flush_delayed = weak$$choice2 [L829] 4 a$mem_tmp = a [L830] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff1) [L830] 4 a = !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff1) [L831] EXPR 4 weak$$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$w_buff0)) [L831] 4 a$w_buff0 = weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff0)) [L832] EXPR 4 weak$$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$w_buff1)) [L832] 4 a$w_buff1 = weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff1 : a$w_buff1)) [L833] EXPR 4 weak$$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)) [L833] 4 a$w_buff0_used = weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used)) [L834] EXPR 4 weak$$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$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L834] 4 a$w_buff1_used = weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L835] EXPR 4 weak$$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)) [L835] 4 a$r_buff0_thd4 = weak$$choice2 ? a$r_buff0_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff0_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4)) [L836] EXPR 4 weak$$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$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L836] 4 a$r_buff1_thd4 = weak$$choice2 ? a$r_buff1_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff1_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L837] 4 __unbuffered_p3_EBX = a [L838] EXPR 4 a$flush_delayed ? a$mem_tmp : a [L838] 4 a = a$flush_delayed ? a$mem_tmp : a [L839] 4 a$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=2, y=2, z=1] [L766] 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) [L766] 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) [L767] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$w_buff0_used [L767] 1 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$w_buff0_used [L768] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$w_buff1_used [L768] 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 [L769] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$r_buff0_thd1 [L769] 1 a$r_buff0_thd1 = a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$r_buff0_thd1 [L770] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$r_buff1_thd1 [L770] 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 [L773] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L775] 1 return 0; [L786] 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) [L786] EXPR 2 a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a [L786] 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) [L786] 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) [L787] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$w_buff0_used [L787] 2 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$w_buff0_used [L788] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$w_buff1_used [L788] 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 [L789] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$r_buff0_thd2 [L789] 2 a$r_buff0_thd2 = a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$r_buff0_thd2 [L790] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$r_buff1_thd2 [L790] 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 [L793] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L795] 2 return 0; [L806] 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) [L806] EXPR 3 a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a [L806] 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) [L806] 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) [L807] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used [L807] 3 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used [L808] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$w_buff1_used [L808] 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 [L809] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3 [L809] 3 a$r_buff0_thd3 = a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3 [L810] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$r_buff1_thd3 [L810] 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 [L813] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L815] 3 return 0; [L842] 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) [L842] EXPR 4 a$w_buff1_used && a$r_buff1_thd4 ? a$w_buff1 : a [L842] 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) [L842] 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) [L843] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used [L843] 4 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used [L844] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$w_buff1_used [L844] 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 [L845] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4 [L845] 4 a$r_buff0_thd4 = a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4 [L846] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$r_buff1_thd4 [L846] 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 [L849] 4 __unbuffered_cnt = __unbuffered_cnt + 1 [L851] 4 return 0; [L873] 0 main$tmp_guard0 = __unbuffered_cnt == 4 [L3] COND FALSE 0 !(!cond) [L877] 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) [L877] EXPR 0 a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a [L877] 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) [L877] 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) [L878] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$w_buff0_used [L878] 0 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$w_buff0_used [L879] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$w_buff1_used [L879] 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 [L880] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$r_buff0_thd0 [L880] 0 a$r_buff0_thd0 = a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$r_buff0_thd0 [L881] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$r_buff1_thd0 [L881] 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 [L884] 0 main$tmp_guard1 = !(x == 2 && y == 2 && __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_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=255, x=2, y=2, z=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 116 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 1.7ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 12281.9ms, OverallIterations: 12, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 5062.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 5907.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 103 SDtfs, 93 SDslu, 117 SDs, 0 SdLazy, 270 SolverSat, 84 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 256.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 57 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 218.9ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=1206occurred in iteration=9, InterpolantAutomatonStates: 71, 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: 40.1ms SsaConstructionTime, 348.0ms SatisfiabilityAnalysisTime, 617.2ms InterpolantComputationTime, 210 NumberOfCodeBlocks, 210 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 170 ConstructedInterpolants, 0 QuantifiedInterpolants, 748 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...