/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-ext/27_Boop_simple_vf.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-25 23:23:23,178 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-25 23:23:23,180 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-25 23:23:23,209 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-03-25 23:23:23,252 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-25 23:23:23,253 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-25 23:23:23,253 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-25 23:23:23,256 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf [2021-03-25 23:23:23,283 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-25 23:23:23,283 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-25 23:23:23,286 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-25 23:23:23,286 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-25 23:23:23,286 INFO L138 SettingsManager]: * Use SBE=true [2021-03-25 23:23:23,286 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-25 23:23:23,287 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-25 23:23:23,287 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-25 23:23:23,287 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-25 23:23:23,287 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-25 23:23:23,288 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-25 23:23:23,288 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-25 23:23:23,288 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-25 23:23:23,288 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-25 23:23:23,288 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-25 23:23:23,288 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-25 23:23:23,288 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-25 23:23:23,288 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-25 23:23:23,288 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-25 23:23:23,289 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-25 23:23:23,289 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-25 23:23:23,289 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-25 23:23:23,289 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-25 23:23:23,289 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-25 23:23:23,289 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-25 23:23:23,289 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-25 23:23:23,289 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-25 23:23:23,290 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-03-25 23:23:23,290 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-25 23:23:23,290 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-25 23:23:23,290 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-25 23:23:23,556 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-25 23:23:23,575 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-25 23:23:23,577 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-25 23:23:23,578 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-25 23:23:23,578 INFO L275 PluginConnector]: CDTParser initialized [2021-03-25 23:23:23,579 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/27_Boop_simple_vf.i [2021-03-25 23:23:23,642 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/491b2ef1c/4ab99ae87951494386865b01c551d34f/FLAGc7d5f1f82 [2021-03-25 23:23:24,045 INFO L306 CDTParser]: Found 1 translation units. [2021-03-25 23:23:24,045 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/27_Boop_simple_vf.i [2021-03-25 23:23:24,059 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/491b2ef1c/4ab99ae87951494386865b01c551d34f/FLAGc7d5f1f82 [2021-03-25 23:23:24,068 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/491b2ef1c/4ab99ae87951494386865b01c551d34f [2021-03-25 23:23:24,070 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-25 23:23:24,071 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-25 23:23:24,072 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-25 23:23:24,072 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-25 23:23:24,082 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-25 23:23:24,082 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.03 11:23:24" (1/1) ... [2021-03-25 23:23:24,083 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ff21c70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 11:23:24, skipping insertion in model container [2021-03-25 23:23:24,083 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.03 11:23:24" (1/1) ... [2021-03-25 23:23:24,087 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-25 23:23:24,113 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-25 23:23:24,433 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-ext/27_Boop_simple_vf.i[30297,30310] [2021-03-25 23:23:24,441 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-25 23:23:24,447 INFO L203 MainTranslator]: Completed pre-run [2021-03-25 23:23:24,485 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-ext/27_Boop_simple_vf.i[30297,30310] [2021-03-25 23:23:24,490 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-25 23:23:24,540 INFO L208 MainTranslator]: Completed translation [2021-03-25 23:23:24,540 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 11:23:24 WrapperNode [2021-03-25 23:23:24,541 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-25 23:23:24,542 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-25 23:23:24,542 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-25 23:23:24,542 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-25 23:23:24,546 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 11:23:24" (1/1) ... [2021-03-25 23:23:24,570 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 11:23:24" (1/1) ... [2021-03-25 23:23:24,582 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-25 23:23:24,583 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-25 23:23:24,583 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-25 23:23:24,583 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-25 23:23:24,589 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 11:23:24" (1/1) ... [2021-03-25 23:23:24,590 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 11:23:24" (1/1) ... [2021-03-25 23:23:24,593 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 11:23:24" (1/1) ... [2021-03-25 23:23:24,593 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 11:23:24" (1/1) ... [2021-03-25 23:23:24,608 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 11:23:24" (1/1) ... [2021-03-25 23:23:24,611 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 11:23:24" (1/1) ... [2021-03-25 23:23:24,612 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 11:23:24" (1/1) ... [2021-03-25 23:23:24,613 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-25 23:23:24,614 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-25 23:23:24,614 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-25 23:23:24,614 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-25 23:23:24,614 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 11:23:24" (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 [2021-03-25 23:23:24,672 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2021-03-25 23:23:24,672 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2021-03-25 23:23:24,672 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-03-25 23:23:24,672 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-03-25 23:23:24,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-25 23:23:24,673 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-25 23:23:24,674 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-25 23:23:24,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-25 23:23:24,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-25 23:23:24,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-25 23:23:24,676 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-25 23:23:24,983 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-25 23:23:24,983 INFO L299 CfgBuilder]: Removed 15 assume(true) statements. [2021-03-25 23:23:24,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.03 11:23:24 BoogieIcfgContainer [2021-03-25 23:23:24,984 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-25 23:23:24,985 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-25 23:23:24,985 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-25 23:23:24,990 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-25 23:23:24,990 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.03 11:23:24" (1/3) ... [2021-03-25 23:23:24,991 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67db8c4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.03 11:23:24, skipping insertion in model container [2021-03-25 23:23:24,991 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 11:23:24" (2/3) ... [2021-03-25 23:23:24,991 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67db8c4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.03 11:23:24, skipping insertion in model container [2021-03-25 23:23:24,991 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.03 11:23:24" (3/3) ... [2021-03-25 23:23:24,992 INFO L111 eAbstractionObserver]: Analyzing ICFG 27_Boop_simple_vf.i [2021-03-25 23:23:24,999 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-25 23:23:25,002 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-25 23:23:25,003 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-25 23:23:25,028 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:25,029 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:25,029 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:25,029 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:25,029 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:25,029 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:25,029 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:25,029 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:25,030 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:25,030 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:25,030 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:25,030 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:25,031 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:25,031 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:25,031 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:25,031 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:25,032 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:25,033 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:25,033 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:25,033 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:25,033 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:25,033 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:25,033 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:25,033 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:25,033 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:25,033 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:25,033 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:25,034 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:25,034 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:25,034 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:25,038 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:25,039 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:25,039 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:25,039 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:25,040 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:25,040 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:25,040 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:25,040 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:25,040 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:25,041 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:25,041 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:25,041 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:25,041 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:25,041 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:25,042 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:25,042 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:25,042 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:25,042 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:25,042 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:25,042 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:25,042 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:25,042 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:25,043 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:25,043 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:25,044 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:25,044 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:25,044 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:25,045 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:25,045 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:25,045 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:25,046 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:25,047 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:25,047 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:25,047 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:25,051 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:25,051 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:25,051 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:25,051 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:25,052 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:25,052 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:25,052 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:25,052 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:25,057 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-25 23:23:25,070 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-03-25 23:23:25,089 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-25 23:23:25,090 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-25 23:23:25,090 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-25 23:23:25,090 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-25 23:23:25,090 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-25 23:23:25,090 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-25 23:23:25,090 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-25 23:23:25,090 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-25 23:23:25,097 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 69 places, 75 transitions, 160 flow [2021-03-25 23:23:25,133 INFO L129 PetriNetUnfolder]: 13/82 cut-off events. [2021-03-25 23:23:25,134 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 23:23:25,137 INFO L84 FinitePrefix]: Finished finitePrefix Result has 90 conditions, 82 events. 13/82 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 173 event pairs, 0 based on Foata normal form. 0/66 useless extension candidates. Maximal degree in co-relation 68. Up to 4 conditions per place. [2021-03-25 23:23:25,137 INFO L82 GeneralOperation]: Start removeDead. Operand has 69 places, 75 transitions, 160 flow [2021-03-25 23:23:25,140 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 68 places, 74 transitions, 156 flow [2021-03-25 23:23:25,141 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-25 23:23:25,149 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 68 places, 74 transitions, 156 flow [2021-03-25 23:23:25,151 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 68 places, 74 transitions, 156 flow [2021-03-25 23:23:25,152 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 68 places, 74 transitions, 156 flow [2021-03-25 23:23:25,163 INFO L129 PetriNetUnfolder]: 13/82 cut-off events. [2021-03-25 23:23:25,163 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 23:23:25,164 INFO L84 FinitePrefix]: Finished finitePrefix Result has 90 conditions, 82 events. 13/82 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 182 event pairs, 0 based on Foata normal form. 0/66 useless extension candidates. Maximal degree in co-relation 68. Up to 4 conditions per place. [2021-03-25 23:23:25,166 INFO L142 LiptonReduction]: Number of co-enabled transitions 1824 [2021-03-25 23:23:26,301 INFO L154 LiptonReduction]: Checked pairs total: 1201 [2021-03-25 23:23:26,302 INFO L156 LiptonReduction]: Total number of compositions: 43 [2021-03-25 23:23:26,303 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1162 [2021-03-25 23:23:26,310 INFO L129 PetriNetUnfolder]: 3/22 cut-off events. [2021-03-25 23:23:26,310 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 23:23:26,310 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 23:23:26,311 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 23:23:26,311 INFO L428 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-25 23:23:26,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 23:23:26,314 INFO L82 PathProgramCache]: Analyzing trace with hash -132464476, now seen corresponding path program 1 times [2021-03-25 23:23:26,320 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 23:23:26,320 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224520780] [2021-03-25 23:23:26,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 23:23:26,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 23:23:26,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 23:23:26,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 23:23:26,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 23:23:26,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 23:23:26,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 23:23:26,413 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [224520780] [2021-03-25 23:23:26,414 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 23:23:26,414 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-25 23:23:26,414 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884103668] [2021-03-25 23:23:26,419 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-03-25 23:23:26,419 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 23:23:26,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-03-25 23:23:26,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-03-25 23:23:26,429 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 101 out of 118 [2021-03-25 23:23:26,431 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 38 transitions, 84 flow. Second operand has 2 states, 2 states have (on average 102.0) internal successors, (204), 2 states have internal predecessors, (204), 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) [2021-03-25 23:23:26,431 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 23:23:26,431 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 101 of 118 [2021-03-25 23:23:26,432 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 23:23:26,438 INFO L129 PetriNetUnfolder]: 5/36 cut-off events. [2021-03-25 23:23:26,438 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 23:23:26,438 INFO L84 FinitePrefix]: Finished finitePrefix Result has 45 conditions, 36 events. 5/36 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 44 event pairs, 0 based on Foata normal form. 4/34 useless extension candidates. Maximal degree in co-relation 41. Up to 2 conditions per place. [2021-03-25 23:23:26,439 INFO L132 encePairwiseOnDemand]: 115/118 looper letters, 0 selfloop transitions, 0 changer transitions 0/34 dead transitions. [2021-03-25 23:23:26,439 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 34 transitions, 76 flow [2021-03-25 23:23:26,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-25 23:23:26,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2021-03-25 23:23:26,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 205 transitions. [2021-03-25 23:23:26,446 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8686440677966102 [2021-03-25 23:23:26,447 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 205 transitions. [2021-03-25 23:23:26,447 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 205 transitions. [2021-03-25 23:23:26,448 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 23:23:26,449 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 205 transitions. [2021-03-25 23:23:26,451 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 102.5) internal successors, (205), 2 states have internal predecessors, (205), 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) [2021-03-25 23:23:26,453 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 118.0) internal successors, (354), 3 states have internal predecessors, (354), 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) [2021-03-25 23:23:26,453 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 118.0) internal successors, (354), 3 states have internal predecessors, (354), 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) [2021-03-25 23:23:26,455 INFO L185 Difference]: Start difference. First operand has 37 places, 38 transitions, 84 flow. Second operand 2 states and 205 transitions. [2021-03-25 23:23:26,455 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 34 transitions, 76 flow [2021-03-25 23:23:26,457 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 34 transitions, 75 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-25 23:23:26,457 INFO L241 Difference]: Finished difference. Result has 35 places, 34 transitions, 75 flow [2021-03-25 23:23:26,458 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=118, PETRI_DIFFERENCE_MINUEND_FLOW=75, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=75, PETRI_PLACES=35, PETRI_TRANSITIONS=34} [2021-03-25 23:23:26,459 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, -2 predicate places. [2021-03-25 23:23:26,459 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-25 23:23:26,459 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 35 places, 34 transitions, 75 flow [2021-03-25 23:23:26,459 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 35 places, 34 transitions, 75 flow [2021-03-25 23:23:26,460 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 34 places, 34 transitions, 75 flow [2021-03-25 23:23:26,463 INFO L129 PetriNetUnfolder]: 5/36 cut-off events. [2021-03-25 23:23:26,463 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 23:23:26,463 INFO L84 FinitePrefix]: Finished finitePrefix Result has 43 conditions, 36 events. 5/36 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 45 event pairs, 0 based on Foata normal form. 0/30 useless extension candidates. Maximal degree in co-relation 35. Up to 2 conditions per place. [2021-03-25 23:23:26,464 INFO L142 LiptonReduction]: Number of co-enabled transitions 498 [2021-03-25 23:23:26,894 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 70 [2021-03-25 23:23:27,064 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 70 [2021-03-25 23:23:27,151 INFO L154 LiptonReduction]: Checked pairs total: 538 [2021-03-25 23:23:27,152 INFO L156 LiptonReduction]: Total number of compositions: 12 [2021-03-25 23:23:27,152 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 693 [2021-03-25 23:23:27,153 INFO L480 AbstractCegarLoop]: Abstraction has has 29 places, 28 transitions, 63 flow [2021-03-25 23:23:27,153 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 102.0) internal successors, (204), 2 states have internal predecessors, (204), 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) [2021-03-25 23:23:27,153 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 23:23:27,153 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 23:23:27,154 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-25 23:23:27,154 INFO L428 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-25 23:23:27,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 23:23:27,154 INFO L82 PathProgramCache]: Analyzing trace with hash 1025837302, now seen corresponding path program 1 times [2021-03-25 23:23:27,154 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 23:23:27,154 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912020359] [2021-03-25 23:23:27,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 23:23:27,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-25 23:23:27,171 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-25 23:23:27,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-25 23:23:27,187 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-25 23:23:27,212 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-25 23:23:27,212 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-03-25 23:23:27,213 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-25 23:23:27,213 WARN L342 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2021-03-25 23:23:27,213 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2021-03-25 23:23:27,227 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,227 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,227 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,227 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,227 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,227 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,227 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,227 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,228 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,228 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,228 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,229 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,229 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,229 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,229 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,229 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,229 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,230 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,230 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,230 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,230 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,230 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,230 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,230 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,230 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,230 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,230 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,230 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,230 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,230 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,231 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,231 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,231 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,231 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,232 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,232 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,232 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,232 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,232 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,232 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,232 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,232 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,232 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,232 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,233 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,233 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,233 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,233 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,235 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,235 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,235 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,235 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,240 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,240 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,240 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,240 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,240 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,241 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,241 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,241 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,241 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,241 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,241 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,241 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,241 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,241 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,241 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,241 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,241 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,241 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,242 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,242 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,243 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,243 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,243 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,243 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,243 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,244 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,244 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,244 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,244 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,244 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,244 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,244 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,244 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,244 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,244 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,245 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,245 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,245 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,245 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,245 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,246 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,246 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,246 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,246 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,246 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,246 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,246 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,246 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,246 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,246 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,247 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,247 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,247 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,247 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,247 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,247 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,247 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,247 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,247 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,247 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,252 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,252 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,252 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,252 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,252 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,253 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,253 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,253 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,253 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,253 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,253 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,253 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,254 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,254 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,255 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,255 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,255 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,255 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,255 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,256 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,256 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,256 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,256 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,256 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,257 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,257 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,257 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,257 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,257 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,257 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,257 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,257 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:27,258 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-25 23:23:27,258 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-03-25 23:23:27,261 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-25 23:23:27,261 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-25 23:23:27,261 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-25 23:23:27,262 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-25 23:23:27,262 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-25 23:23:27,262 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-25 23:23:27,262 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-25 23:23:27,262 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-25 23:23:27,264 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 109 places, 122 transitions, 268 flow [2021-03-25 23:23:27,283 INFO L129 PetriNetUnfolder]: 17/104 cut-off events. [2021-03-25 23:23:27,283 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-03-25 23:23:27,285 INFO L84 FinitePrefix]: Finished finitePrefix Result has 118 conditions, 104 events. 17/104 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 283 event pairs, 0 based on Foata normal form. 0/83 useless extension candidates. Maximal degree in co-relation 113. Up to 6 conditions per place. [2021-03-25 23:23:27,285 INFO L82 GeneralOperation]: Start removeDead. Operand has 109 places, 122 transitions, 268 flow [2021-03-25 23:23:27,286 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 80 places, 87 transitions, 189 flow [2021-03-25 23:23:27,286 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-25 23:23:27,287 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 80 places, 87 transitions, 189 flow [2021-03-25 23:23:27,287 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 80 places, 87 transitions, 189 flow [2021-03-25 23:23:27,287 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 80 places, 87 transitions, 189 flow [2021-03-25 23:23:27,301 INFO L129 PetriNetUnfolder]: 17/104 cut-off events. [2021-03-25 23:23:27,301 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-03-25 23:23:27,302 INFO L84 FinitePrefix]: Finished finitePrefix Result has 117 conditions, 104 events. 17/104 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 287 event pairs, 0 based on Foata normal form. 0/83 useless extension candidates. Maximal degree in co-relation 94. Up to 6 conditions per place. [2021-03-25 23:23:27,304 INFO L142 LiptonReduction]: Number of co-enabled transitions 3234 [2021-03-25 23:23:28,256 INFO L154 LiptonReduction]: Checked pairs total: 3444 [2021-03-25 23:23:28,256 INFO L156 LiptonReduction]: Total number of compositions: 52 [2021-03-25 23:23:28,257 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 971 [2021-03-25 23:23:28,260 INFO L129 PetriNetUnfolder]: 6/38 cut-off events. [2021-03-25 23:23:28,260 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-03-25 23:23:28,260 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 23:23:28,260 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 23:23:28,260 INFO L428 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 23:23:28,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 23:23:28,260 INFO L82 PathProgramCache]: Analyzing trace with hash -346581190, now seen corresponding path program 1 times [2021-03-25 23:23:28,261 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 23:23:28,261 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833356919] [2021-03-25 23:23:28,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 23:23:28,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 23:23:28,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 23:23:28,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 23:23:28,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 23:23:28,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 23:23:28,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 23:23:28,280 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833356919] [2021-03-25 23:23:28,280 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 23:23:28,280 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-25 23:23:28,280 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484547112] [2021-03-25 23:23:28,280 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-03-25 23:23:28,280 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 23:23:28,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-03-25 23:23:28,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-03-25 23:23:28,281 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 147 out of 174 [2021-03-25 23:23:28,282 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 49 transitions, 113 flow. Second operand has 2 states, 2 states have (on average 148.0) internal successors, (296), 2 states have internal predecessors, (296), 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) [2021-03-25 23:23:28,282 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 23:23:28,282 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 147 of 174 [2021-03-25 23:23:28,282 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 23:23:28,285 INFO L129 PetriNetUnfolder]: 7/46 cut-off events. [2021-03-25 23:23:28,285 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-03-25 23:23:28,285 INFO L84 FinitePrefix]: Finished finitePrefix Result has 60 conditions, 46 events. 7/46 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 73 event pairs, 0 based on Foata normal form. 6/44 useless extension candidates. Maximal degree in co-relation 55. Up to 3 conditions per place. [2021-03-25 23:23:28,286 INFO L132 encePairwiseOnDemand]: 169/174 looper letters, 0 selfloop transitions, 0 changer transitions 0/41 dead transitions. [2021-03-25 23:23:28,286 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 41 transitions, 97 flow [2021-03-25 23:23:28,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-25 23:23:28,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2021-03-25 23:23:28,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 299 transitions. [2021-03-25 23:23:28,287 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8591954022988506 [2021-03-25 23:23:28,287 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 299 transitions. [2021-03-25 23:23:28,287 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 299 transitions. [2021-03-25 23:23:28,288 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 23:23:28,288 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 299 transitions. [2021-03-25 23:23:28,289 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 149.5) internal successors, (299), 2 states have internal predecessors, (299), 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) [2021-03-25 23:23:28,290 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 174.0) internal successors, (522), 3 states have internal predecessors, (522), 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) [2021-03-25 23:23:28,290 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 174.0) internal successors, (522), 3 states have internal predecessors, (522), 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) [2021-03-25 23:23:28,290 INFO L185 Difference]: Start difference. First operand has 46 places, 49 transitions, 113 flow. Second operand 2 states and 299 transitions. [2021-03-25 23:23:28,290 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 41 transitions, 97 flow [2021-03-25 23:23:28,291 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 41 transitions, 94 flow, removed 1 selfloop flow, removed 1 redundant places. [2021-03-25 23:23:28,291 INFO L241 Difference]: Finished difference. Result has 42 places, 41 transitions, 94 flow [2021-03-25 23:23:28,291 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=174, PETRI_DIFFERENCE_MINUEND_FLOW=94, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=94, PETRI_PLACES=42, PETRI_TRANSITIONS=41} [2021-03-25 23:23:28,291 INFO L343 CegarLoopForPetriNet]: 46 programPoint places, -4 predicate places. [2021-03-25 23:23:28,291 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-25 23:23:28,291 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 42 places, 41 transitions, 94 flow [2021-03-25 23:23:28,292 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 42 places, 41 transitions, 94 flow [2021-03-25 23:23:28,292 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 41 places, 41 transitions, 94 flow [2021-03-25 23:23:28,294 INFO L129 PetriNetUnfolder]: 7/46 cut-off events. [2021-03-25 23:23:28,294 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-03-25 23:23:28,294 INFO L84 FinitePrefix]: Finished finitePrefix Result has 57 conditions, 46 events. 7/46 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 71 event pairs, 0 based on Foata normal form. 0/38 useless extension candidates. Maximal degree in co-relation 48. Up to 3 conditions per place. [2021-03-25 23:23:28,295 INFO L142 LiptonReduction]: Number of co-enabled transitions 864 [2021-03-25 23:23:28,784 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 70 [2021-03-25 23:23:28,881 INFO L154 LiptonReduction]: Checked pairs total: 1348 [2021-03-25 23:23:28,881 INFO L156 LiptonReduction]: Total number of compositions: 9 [2021-03-25 23:23:28,881 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 590 [2021-03-25 23:23:28,882 INFO L480 AbstractCegarLoop]: Abstraction has has 36 places, 35 transitions, 82 flow [2021-03-25 23:23:28,882 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 148.0) internal successors, (296), 2 states have internal predecessors, (296), 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) [2021-03-25 23:23:28,882 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 23:23:28,883 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 23:23:28,883 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-25 23:23:28,883 INFO L428 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 23:23:28,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 23:23:28,883 INFO L82 PathProgramCache]: Analyzing trace with hash -933681405, now seen corresponding path program 1 times [2021-03-25 23:23:28,883 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 23:23:28,883 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446525823] [2021-03-25 23:23:28,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 23:23:28,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-25 23:23:28,899 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-25 23:23:28,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-25 23:23:28,906 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-25 23:23:28,924 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-25 23:23:28,925 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-03-25 23:23:28,925 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-25 23:23:28,925 WARN L342 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2021-03-25 23:23:28,926 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2021-03-25 23:23:28,941 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,941 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,941 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,941 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,941 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,941 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,942 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,942 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,942 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,942 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,942 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,942 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,942 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,942 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,942 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,942 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,942 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,942 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,942 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,942 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,942 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,942 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,942 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,942 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,943 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,943 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,943 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,943 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,943 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,943 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,943 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,943 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,943 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,943 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,943 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,943 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,943 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,943 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,943 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,943 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,943 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,943 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,944 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,944 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,944 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,944 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,944 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,944 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,944 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,944 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,944 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,944 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,944 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,944 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,944 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,944 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,944 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,944 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,944 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,945 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,945 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,945 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,945 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,945 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,945 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,945 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,945 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,945 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,945 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,945 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,945 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,945 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,945 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,945 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,945 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,945 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,945 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,945 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,946 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,946 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,946 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,946 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,946 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,946 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,946 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,946 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,946 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,946 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,946 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,946 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,946 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,946 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,946 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,946 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,947 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,947 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,947 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,947 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,947 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,947 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,947 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,947 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,947 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,947 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,947 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,947 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,947 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,947 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,947 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,947 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,947 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,947 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,947 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,947 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,948 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,948 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,948 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,948 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,948 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,948 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,948 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,948 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,948 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,948 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,948 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,948 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,948 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,948 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,948 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,948 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,948 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,948 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,948 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,949 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,949 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,949 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,949 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,949 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,949 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,949 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,949 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,949 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,949 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,949 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,949 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,950 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,951 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,951 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,951 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,951 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,951 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,951 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,951 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,951 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,951 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,951 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,951 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,951 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,951 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,951 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,951 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,951 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,951 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,952 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,952 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,952 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,952 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,952 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,952 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,952 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,952 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,952 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,952 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,952 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,952 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,952 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,952 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,952 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,952 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,952 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,953 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,953 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,953 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,953 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,957 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,957 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,957 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,958 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,958 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,958 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,958 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,958 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,959 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,959 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,959 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,959 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,959 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,959 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,959 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,959 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,960 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,960 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,960 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,960 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,960 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,960 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,960 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,960 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,961 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,961 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,961 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,961 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,961 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,961 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,961 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,961 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:28,962 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-25 23:23:28,962 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-03-25 23:23:28,975 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-25 23:23:28,976 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-25 23:23:28,976 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-25 23:23:28,976 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-25 23:23:28,976 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-25 23:23:28,976 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-25 23:23:28,976 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-25 23:23:28,976 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-25 23:23:28,977 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 149 places, 169 transitions, 380 flow [2021-03-25 23:23:28,984 INFO L129 PetriNetUnfolder]: 21/126 cut-off events. [2021-03-25 23:23:28,984 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2021-03-25 23:23:28,985 INFO L84 FinitePrefix]: Finished finitePrefix Result has 147 conditions, 126 events. 21/126 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 349 event pairs, 0 based on Foata normal form. 0/100 useless extension candidates. Maximal degree in co-relation 140. Up to 8 conditions per place. [2021-03-25 23:23:28,985 INFO L82 GeneralOperation]: Start removeDead. Operand has 149 places, 169 transitions, 380 flow [2021-03-25 23:23:28,986 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 92 places, 100 transitions, 224 flow [2021-03-25 23:23:28,986 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-25 23:23:28,986 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 92 places, 100 transitions, 224 flow [2021-03-25 23:23:28,986 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 92 places, 100 transitions, 224 flow [2021-03-25 23:23:28,986 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 92 places, 100 transitions, 224 flow [2021-03-25 23:23:28,993 INFO L129 PetriNetUnfolder]: 21/126 cut-off events. [2021-03-25 23:23:28,993 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2021-03-25 23:23:28,994 INFO L84 FinitePrefix]: Finished finitePrefix Result has 145 conditions, 126 events. 21/126 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 355 event pairs, 0 based on Foata normal form. 0/100 useless extension candidates. Maximal degree in co-relation 121. Up to 8 conditions per place. [2021-03-25 23:23:28,996 INFO L142 LiptonReduction]: Number of co-enabled transitions 4956 [2021-03-25 23:23:29,876 INFO L154 LiptonReduction]: Checked pairs total: 4945 [2021-03-25 23:23:29,876 INFO L156 LiptonReduction]: Total number of compositions: 56 [2021-03-25 23:23:29,876 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 890 [2021-03-25 23:23:29,878 INFO L129 PetriNetUnfolder]: 3/29 cut-off events. [2021-03-25 23:23:29,879 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 23:23:29,879 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 23:23:29,879 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 23:23:29,879 INFO L428 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 23:23:29,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 23:23:29,879 INFO L82 PathProgramCache]: Analyzing trace with hash 2019900322, now seen corresponding path program 1 times [2021-03-25 23:23:29,879 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 23:23:29,879 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044381999] [2021-03-25 23:23:29,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 23:23:29,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 23:23:29,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 23:23:29,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 23:23:29,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 23:23:29,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 23:23:29,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 23:23:29,893 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044381999] [2021-03-25 23:23:29,894 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 23:23:29,894 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-25 23:23:29,894 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043723588] [2021-03-25 23:23:29,894 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-03-25 23:23:29,894 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 23:23:29,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-03-25 23:23:29,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-03-25 23:23:29,895 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 192 out of 225 [2021-03-25 23:23:29,895 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 56 transitions, 136 flow. Second operand has 2 states, 2 states have (on average 193.0) internal successors, (386), 2 states have internal predecessors, (386), 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) [2021-03-25 23:23:29,895 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 23:23:29,895 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 192 of 225 [2021-03-25 23:23:29,895 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 23:23:29,899 INFO L129 PetriNetUnfolder]: 9/59 cut-off events. [2021-03-25 23:23:29,899 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2021-03-25 23:23:29,900 INFO L84 FinitePrefix]: Finished finitePrefix Result has 79 conditions, 59 events. 9/59 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 95 event pairs, 0 based on Foata normal form. 7/55 useless extension candidates. Maximal degree in co-relation 73. Up to 4 conditions per place. [2021-03-25 23:23:29,900 INFO L132 encePairwiseOnDemand]: 221/225 looper letters, 0 selfloop transitions, 0 changer transitions 0/51 dead transitions. [2021-03-25 23:23:29,900 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 51 transitions, 126 flow [2021-03-25 23:23:29,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-25 23:23:29,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2021-03-25 23:23:29,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 388 transitions. [2021-03-25 23:23:29,902 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8622222222222222 [2021-03-25 23:23:29,902 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 388 transitions. [2021-03-25 23:23:29,902 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 388 transitions. [2021-03-25 23:23:29,902 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 23:23:29,902 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 388 transitions. [2021-03-25 23:23:29,903 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 194.0) internal successors, (388), 2 states have internal predecessors, (388), 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) [2021-03-25 23:23:29,904 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 225.0) internal successors, (675), 3 states have internal predecessors, (675), 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) [2021-03-25 23:23:29,904 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 225.0) internal successors, (675), 3 states have internal predecessors, (675), 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) [2021-03-25 23:23:29,904 INFO L185 Difference]: Start difference. First operand has 54 places, 56 transitions, 136 flow. Second operand 2 states and 388 transitions. [2021-03-25 23:23:29,904 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 51 transitions, 126 flow [2021-03-25 23:23:29,905 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 51 transitions, 119 flow, removed 3 selfloop flow, removed 1 redundant places. [2021-03-25 23:23:29,905 INFO L241 Difference]: Finished difference. Result has 52 places, 51 transitions, 119 flow [2021-03-25 23:23:29,905 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=225, PETRI_DIFFERENCE_MINUEND_FLOW=119, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=119, PETRI_PLACES=52, PETRI_TRANSITIONS=51} [2021-03-25 23:23:29,906 INFO L343 CegarLoopForPetriNet]: 54 programPoint places, -2 predicate places. [2021-03-25 23:23:29,906 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-25 23:23:29,906 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 52 places, 51 transitions, 119 flow [2021-03-25 23:23:29,906 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 52 places, 51 transitions, 119 flow [2021-03-25 23:23:29,906 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 51 places, 51 transitions, 119 flow [2021-03-25 23:23:29,909 INFO L129 PetriNetUnfolder]: 9/59 cut-off events. [2021-03-25 23:23:29,909 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-03-25 23:23:29,909 INFO L84 FinitePrefix]: Finished finitePrefix Result has 74 conditions, 59 events. 9/59 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 95 event pairs, 0 based on Foata normal form. 0/48 useless extension candidates. Maximal degree in co-relation 62. Up to 4 conditions per place. [2021-03-25 23:23:29,910 INFO L142 LiptonReduction]: Number of co-enabled transitions 1384 [2021-03-25 23:23:30,458 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 70 [2021-03-25 23:23:30,606 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 70 [2021-03-25 23:23:30,661 INFO L154 LiptonReduction]: Checked pairs total: 2592 [2021-03-25 23:23:30,661 INFO L156 LiptonReduction]: Total number of compositions: 9 [2021-03-25 23:23:30,661 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 755 [2021-03-25 23:23:30,662 INFO L480 AbstractCegarLoop]: Abstraction has has 45 places, 45 transitions, 107 flow [2021-03-25 23:23:30,662 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 193.0) internal successors, (386), 2 states have internal predecessors, (386), 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) [2021-03-25 23:23:30,662 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 23:23:30,662 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 23:23:30,662 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-25 23:23:30,662 INFO L428 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 23:23:30,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 23:23:30,662 INFO L82 PathProgramCache]: Analyzing trace with hash 146405544, now seen corresponding path program 1 times [2021-03-25 23:23:30,663 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 23:23:30,663 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493289068] [2021-03-25 23:23:30,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 23:23:30,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 23:23:30,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 23:23:30,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 23:23:30,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 23:23:30,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 23:23:30,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 23:23:30,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 23:23:30,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 23:23:30,688 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493289068] [2021-03-25 23:23:30,688 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 23:23:30,689 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 23:23:30,689 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509496045] [2021-03-25 23:23:30,689 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-25 23:23:30,689 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 23:23:30,689 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-25 23:23:30,689 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-25 23:23:30,690 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 176 out of 234 [2021-03-25 23:23:30,690 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 45 transitions, 107 flow. Second operand has 3 states, 3 states have (on average 176.66666666666666) internal successors, (530), 3 states have internal predecessors, (530), 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) [2021-03-25 23:23:30,690 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 23:23:30,691 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 176 of 234 [2021-03-25 23:23:30,691 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 23:23:30,734 INFO L129 PetriNetUnfolder]: 51/162 cut-off events. [2021-03-25 23:23:30,734 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-03-25 23:23:30,735 INFO L84 FinitePrefix]: Finished finitePrefix Result has 242 conditions, 162 events. 51/162 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 608 event pairs, 11 based on Foata normal form. 8/141 useless extension candidates. Maximal degree in co-relation 232. Up to 45 conditions per place. [2021-03-25 23:23:30,736 INFO L132 encePairwiseOnDemand]: 228/234 looper letters, 5 selfloop transitions, 5 changer transitions 0/49 dead transitions. [2021-03-25 23:23:30,736 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 49 transitions, 135 flow [2021-03-25 23:23:30,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 23:23:30,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 23:23:30,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 539 transitions. [2021-03-25 23:23:30,741 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7678062678062678 [2021-03-25 23:23:30,741 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 539 transitions. [2021-03-25 23:23:30,741 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 539 transitions. [2021-03-25 23:23:30,741 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 23:23:30,741 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 539 transitions. [2021-03-25 23:23:30,743 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 179.66666666666666) internal successors, (539), 3 states have internal predecessors, (539), 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) [2021-03-25 23:23:30,745 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 234.0) internal successors, (936), 4 states have internal predecessors, (936), 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) [2021-03-25 23:23:30,746 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 234.0) internal successors, (936), 4 states have internal predecessors, (936), 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) [2021-03-25 23:23:30,746 INFO L185 Difference]: Start difference. First operand has 45 places, 45 transitions, 107 flow. Second operand 3 states and 539 transitions. [2021-03-25 23:23:30,746 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 49 transitions, 135 flow [2021-03-25 23:23:30,747 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 49 transitions, 135 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-25 23:23:30,748 INFO L241 Difference]: Finished difference. Result has 49 places, 49 transitions, 145 flow [2021-03-25 23:23:30,748 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=234, PETRI_DIFFERENCE_MINUEND_FLOW=107, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=145, PETRI_PLACES=49, PETRI_TRANSITIONS=49} [2021-03-25 23:23:30,748 INFO L343 CegarLoopForPetriNet]: 54 programPoint places, -5 predicate places. [2021-03-25 23:23:30,748 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-25 23:23:30,749 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 49 places, 49 transitions, 145 flow [2021-03-25 23:23:30,749 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 49 places, 49 transitions, 145 flow [2021-03-25 23:23:30,749 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 49 places, 49 transitions, 145 flow [2021-03-25 23:23:30,760 INFO L129 PetriNetUnfolder]: 55/184 cut-off events. [2021-03-25 23:23:30,761 INFO L130 PetriNetUnfolder]: For 10/12 co-relation queries the response was YES. [2021-03-25 23:23:30,761 INFO L84 FinitePrefix]: Finished finitePrefix Result has 289 conditions, 184 events. 55/184 cut-off events. For 10/12 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 686 event pairs, 11 based on Foata normal form. 0/147 useless extension candidates. Maximal degree in co-relation 277. Up to 45 conditions per place. [2021-03-25 23:23:30,763 INFO L142 LiptonReduction]: Number of co-enabled transitions 1368 [2021-03-25 23:23:30,847 INFO L154 LiptonReduction]: Checked pairs total: 1377 [2021-03-25 23:23:30,847 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-25 23:23:30,847 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 99 [2021-03-25 23:23:30,849 INFO L480 AbstractCegarLoop]: Abstraction has has 47 places, 46 transitions, 139 flow [2021-03-25 23:23:30,850 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 176.66666666666666) internal successors, (530), 3 states have internal predecessors, (530), 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) [2021-03-25 23:23:30,850 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 23:23:30,850 INFO L263 CegarLoopForPetriNet]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 23:23:30,850 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-25 23:23:30,850 INFO L428 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 23:23:30,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 23:23:30,850 INFO L82 PathProgramCache]: Analyzing trace with hash -1264867328, now seen corresponding path program 1 times [2021-03-25 23:23:30,850 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 23:23:30,850 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859106498] [2021-03-25 23:23:30,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 23:23:30,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-25 23:23:30,872 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-25 23:23:30,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-25 23:23:30,878 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-25 23:23:30,892 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-25 23:23:30,892 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-03-25 23:23:30,892 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-25 23:23:30,892 WARN L342 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2021-03-25 23:23:30,893 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2021-03-25 23:23:30,909 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,909 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,909 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,909 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,909 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,909 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,909 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,910 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,910 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,910 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,910 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,910 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,910 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,911 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,911 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,911 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,911 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,911 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,911 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,911 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,911 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,911 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,911 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,911 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,911 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,911 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,911 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,911 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,912 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,912 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,912 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,912 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,912 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,912 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,912 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,912 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,912 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,912 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,912 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,912 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,912 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,912 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,912 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,912 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,912 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,913 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,913 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,913 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,914 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,914 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,914 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,914 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,914 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,914 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,914 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,914 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,914 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,914 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,914 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,914 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,914 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,914 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,914 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,915 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,916 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,916 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,916 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,916 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,916 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,916 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,916 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,916 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,916 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,916 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,916 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,916 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,916 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,916 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,916 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,916 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,917 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,918 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,918 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,918 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,918 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,918 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,918 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,918 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,918 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,918 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,918 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,918 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,918 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,918 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,918 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,918 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,918 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,918 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,918 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,919 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,919 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,919 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,919 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,919 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,919 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,919 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,919 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,919 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,920 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,920 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,920 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,920 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,920 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,920 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,920 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,920 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,920 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,920 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,920 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,920 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,920 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,920 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,920 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,921 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,921 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,921 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,921 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,921 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,921 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,921 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,921 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,921 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,921 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,921 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,921 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,921 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,921 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,921 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,922 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,922 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,922 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,922 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,922 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,922 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,922 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,922 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,922 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,922 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,922 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,922 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,922 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,922 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,923 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,923 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,923 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,923 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,923 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,923 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,923 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,924 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,924 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,924 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,924 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,924 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,924 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,924 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,924 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,924 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,924 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,924 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,924 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,924 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,924 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,924 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,924 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,924 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,925 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,925 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,925 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,925 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,925 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,925 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,925 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,925 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,925 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,925 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,925 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,925 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,925 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,925 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,925 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,925 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,925 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,925 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,926 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,926 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,926 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,926 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,926 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,926 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,926 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,926 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,926 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,926 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,926 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,926 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,926 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,926 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,926 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,926 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,926 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,927 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,927 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,927 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,927 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,927 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,927 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,927 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,927 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,927 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,927 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,927 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,927 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,927 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,927 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,927 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,927 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,927 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,927 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,928 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,928 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,928 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,928 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,928 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,928 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,928 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,928 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,928 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,928 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,928 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,929 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,929 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,929 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,929 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,930 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,930 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,930 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,930 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,931 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,931 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,931 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,931 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,932 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,933 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,933 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,933 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,933 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,933 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,933 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,934 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,934 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,934 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,934 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,934 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,935 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,935 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,935 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,935 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,935 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,935 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,935 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,935 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,936 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,936 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,936 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,936 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,936 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,936 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,937 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,937 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,937 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~count~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,937 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~rval~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,937 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,937 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,938 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,938 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,938 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~rval~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,938 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:23:30,938 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-25 23:23:30,938 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-03-25 23:23:30,939 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-25 23:23:30,939 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-25 23:23:30,939 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-25 23:23:30,939 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-25 23:23:30,939 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-25 23:23:30,939 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-25 23:23:30,939 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-25 23:23:30,940 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-25 23:23:30,943 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 189 places, 216 transitions, 496 flow [2021-03-25 23:23:30,952 INFO L129 PetriNetUnfolder]: 25/148 cut-off events. [2021-03-25 23:23:30,952 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2021-03-25 23:23:30,952 INFO L84 FinitePrefix]: Finished finitePrefix Result has 177 conditions, 148 events. 25/148 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 414 event pairs, 0 based on Foata normal form. 0/117 useless extension candidates. Maximal degree in co-relation 168. Up to 10 conditions per place. [2021-03-25 23:23:30,953 INFO L82 GeneralOperation]: Start removeDead. Operand has 189 places, 216 transitions, 496 flow [2021-03-25 23:23:30,954 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 104 places, 113 transitions, 261 flow [2021-03-25 23:23:30,954 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-25 23:23:30,954 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 104 places, 113 transitions, 261 flow [2021-03-25 23:23:30,955 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 104 places, 113 transitions, 261 flow [2021-03-25 23:23:30,955 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 104 places, 113 transitions, 261 flow [2021-03-25 23:23:30,965 INFO L129 PetriNetUnfolder]: 25/148 cut-off events. [2021-03-25 23:23:30,965 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2021-03-25 23:23:30,966 INFO L84 FinitePrefix]: Finished finitePrefix Result has 174 conditions, 148 events. 25/148 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 432 event pairs, 0 based on Foata normal form. 0/117 useless extension candidates. Maximal degree in co-relation 149. Up to 10 conditions per place. [2021-03-25 23:23:30,969 INFO L142 LiptonReduction]: Number of co-enabled transitions 6990 [2021-03-25 23:23:32,219 INFO L154 LiptonReduction]: Checked pairs total: 7492 [2021-03-25 23:23:32,219 INFO L156 LiptonReduction]: Total number of compositions: 66 [2021-03-25 23:23:32,219 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1265 [2021-03-25 23:23:32,221 INFO L129 PetriNetUnfolder]: 3/26 cut-off events. [2021-03-25 23:23:32,221 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 23:23:32,222 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 23:23:32,222 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 23:23:32,222 INFO L428 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-25 23:23:32,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 23:23:32,222 INFO L82 PathProgramCache]: Analyzing trace with hash 678349370, now seen corresponding path program 1 times [2021-03-25 23:23:32,222 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 23:23:32,222 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367501447] [2021-03-25 23:23:32,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 23:23:32,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 23:23:32,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 23:23:32,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 23:23:32,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 23:23:32,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 23:23:32,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 23:23:32,246 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1367501447] [2021-03-25 23:23:32,246 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 23:23:32,246 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-25 23:23:32,246 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825487350] [2021-03-25 23:23:32,246 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-03-25 23:23:32,246 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 23:23:32,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-03-25 23:23:32,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-03-25 23:23:32,247 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 242 out of 282 [2021-03-25 23:23:32,247 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 60 transitions, 155 flow. Second operand has 2 states, 2 states have (on average 243.0) internal successors, (486), 2 states have internal predecessors, (486), 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) [2021-03-25 23:23:32,247 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 23:23:32,247 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 242 of 282 [2021-03-25 23:23:32,247 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 23:23:32,251 INFO L129 PetriNetUnfolder]: 11/66 cut-off events. [2021-03-25 23:23:32,251 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2021-03-25 23:23:32,252 INFO L84 FinitePrefix]: Finished finitePrefix Result has 93 conditions, 66 events. 11/66 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 102 event pairs, 0 based on Foata normal form. 8/61 useless extension candidates. Maximal degree in co-relation 86. Up to 5 conditions per place. [2021-03-25 23:23:32,252 INFO L132 encePairwiseOnDemand]: 278/282 looper letters, 0 selfloop transitions, 0 changer transitions 0/55 dead transitions. [2021-03-25 23:23:32,252 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 55 transitions, 145 flow [2021-03-25 23:23:32,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-25 23:23:32,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2021-03-25 23:23:32,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 488 transitions. [2021-03-25 23:23:32,253 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8652482269503546 [2021-03-25 23:23:32,253 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 488 transitions. [2021-03-25 23:23:32,253 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 488 transitions. [2021-03-25 23:23:32,253 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 23:23:32,253 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 488 transitions. [2021-03-25 23:23:32,267 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 244.0) internal successors, (488), 2 states have internal predecessors, (488), 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) [2021-03-25 23:23:32,268 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 282.0) internal successors, (846), 3 states have internal predecessors, (846), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 23:23:32,269 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 282.0) internal successors, (846), 3 states have internal predecessors, (846), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 23:23:32,269 INFO L185 Difference]: Start difference. First operand has 58 places, 60 transitions, 155 flow. Second operand 2 states and 488 transitions. [2021-03-25 23:23:32,269 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 55 transitions, 145 flow [2021-03-25 23:23:32,270 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 55 transitions, 132 flow, removed 6 selfloop flow, removed 1 redundant places. [2021-03-25 23:23:32,270 INFO L241 Difference]: Finished difference. Result has 56 places, 55 transitions, 132 flow [2021-03-25 23:23:32,270 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=282, PETRI_DIFFERENCE_MINUEND_FLOW=132, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=132, PETRI_PLACES=56, PETRI_TRANSITIONS=55} [2021-03-25 23:23:32,270 INFO L343 CegarLoopForPetriNet]: 58 programPoint places, -2 predicate places. [2021-03-25 23:23:32,270 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-25 23:23:32,270 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 56 places, 55 transitions, 132 flow [2021-03-25 23:23:32,271 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 56 places, 55 transitions, 132 flow [2021-03-25 23:23:32,271 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 55 places, 55 transitions, 132 flow [2021-03-25 23:23:32,274 INFO L129 PetriNetUnfolder]: 11/66 cut-off events. [2021-03-25 23:23:32,274 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-03-25 23:23:32,274 INFO L84 FinitePrefix]: Finished finitePrefix Result has 85 conditions, 66 events. 11/66 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 102 event pairs, 0 based on Foata normal form. 0/53 useless extension candidates. Maximal degree in co-relation 74. Up to 5 conditions per place. [2021-03-25 23:23:32,275 INFO L142 LiptonReduction]: Number of co-enabled transitions 1884 [2021-03-25 23:23:32,868 INFO L154 LiptonReduction]: Checked pairs total: 3700 [2021-03-25 23:23:32,868 INFO L156 LiptonReduction]: Total number of compositions: 8 [2021-03-25 23:23:32,869 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 599 [2021-03-25 23:23:32,869 INFO L480 AbstractCegarLoop]: Abstraction has has 51 places, 50 transitions, 122 flow [2021-03-25 23:23:32,870 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 243.0) internal successors, (486), 2 states have internal predecessors, (486), 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) [2021-03-25 23:23:32,870 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 23:23:32,870 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 23:23:32,870 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-25 23:23:32,870 INFO L428 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-25 23:23:32,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 23:23:32,870 INFO L82 PathProgramCache]: Analyzing trace with hash 610197202, now seen corresponding path program 1 times [2021-03-25 23:23:32,870 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 23:23:32,870 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659979669] [2021-03-25 23:23:32,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 23:23:32,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 23:23:32,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 23:23:32,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 23:23:32,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 23:23:32,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 23:23:32,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 23:23:32,883 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659979669] [2021-03-25 23:23:32,883 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 23:23:32,883 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-25 23:23:32,883 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411581502] [2021-03-25 23:23:32,884 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-25 23:23:32,884 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 23:23:32,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-25 23:23:32,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-25 23:23:32,884 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 220 out of 290 [2021-03-25 23:23:32,885 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 50 transitions, 122 flow. Second operand has 3 states, 3 states have (on average 220.66666666666666) internal successors, (662), 3 states have internal predecessors, (662), 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) [2021-03-25 23:23:32,885 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 23:23:32,885 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 220 of 290 [2021-03-25 23:23:32,885 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 23:23:32,942 INFO L129 PetriNetUnfolder]: 127/296 cut-off events. [2021-03-25 23:23:32,942 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-03-25 23:23:32,943 INFO L84 FinitePrefix]: Finished finitePrefix Result has 489 conditions, 296 events. 127/296 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 1334 event pairs, 40 based on Foata normal form. 16/273 useless extension candidates. Maximal degree in co-relation 478. Up to 131 conditions per place. [2021-03-25 23:23:32,944 INFO L132 encePairwiseOnDemand]: 283/290 looper letters, 6 selfloop transitions, 6 changer transitions 0/55 dead transitions. [2021-03-25 23:23:32,944 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 55 transitions, 156 flow [2021-03-25 23:23:32,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 23:23:32,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 23:23:32,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 673 transitions. [2021-03-25 23:23:32,946 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7735632183908046 [2021-03-25 23:23:32,946 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 673 transitions. [2021-03-25 23:23:32,946 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 673 transitions. [2021-03-25 23:23:32,946 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 23:23:32,946 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 673 transitions. [2021-03-25 23:23:32,947 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 224.33333333333334) internal successors, (673), 3 states have internal predecessors, (673), 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) [2021-03-25 23:23:32,948 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 290.0) internal successors, (1160), 4 states have internal predecessors, (1160), 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) [2021-03-25 23:23:32,949 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 290.0) internal successors, (1160), 4 states have internal predecessors, (1160), 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) [2021-03-25 23:23:32,949 INFO L185 Difference]: Start difference. First operand has 51 places, 50 transitions, 122 flow. Second operand 3 states and 673 transitions. [2021-03-25 23:23:32,949 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 55 transitions, 156 flow [2021-03-25 23:23:32,949 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 55 transitions, 156 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-25 23:23:32,950 INFO L241 Difference]: Finished difference. Result has 55 places, 55 transitions, 168 flow [2021-03-25 23:23:32,950 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=290, PETRI_DIFFERENCE_MINUEND_FLOW=122, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=168, PETRI_PLACES=55, PETRI_TRANSITIONS=55} [2021-03-25 23:23:32,950 INFO L343 CegarLoopForPetriNet]: 58 programPoint places, -3 predicate places. [2021-03-25 23:23:32,950 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-25 23:23:32,951 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 55 places, 55 transitions, 168 flow [2021-03-25 23:23:32,951 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 55 places, 55 transitions, 168 flow [2021-03-25 23:23:32,951 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 55 places, 55 transitions, 168 flow [2021-03-25 23:23:32,964 INFO L129 PetriNetUnfolder]: 127/296 cut-off events. [2021-03-25 23:23:32,965 INFO L130 PetriNetUnfolder]: For 23/31 co-relation queries the response was YES. [2021-03-25 23:23:32,966 INFO L84 FinitePrefix]: Finished finitePrefix Result has 549 conditions, 296 events. 127/296 cut-off events. For 23/31 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 1367 event pairs, 40 based on Foata normal form. 0/257 useless extension candidates. Maximal degree in co-relation 536. Up to 131 conditions per place. [2021-03-25 23:23:32,969 INFO L142 LiptonReduction]: Number of co-enabled transitions 1866 [2021-03-25 23:23:33,111 INFO L154 LiptonReduction]: Checked pairs total: 2021 [2021-03-25 23:23:33,111 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-25 23:23:33,111 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 161 [2021-03-25 23:23:33,114 INFO L480 AbstractCegarLoop]: Abstraction has has 54 places, 54 transitions, 166 flow [2021-03-25 23:23:33,114 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 220.66666666666666) internal successors, (662), 3 states have internal predecessors, (662), 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) [2021-03-25 23:23:33,115 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 23:23:33,115 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 23:23:33,115 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-25 23:23:33,115 INFO L428 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-25 23:23:33,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 23:23:33,116 INFO L82 PathProgramCache]: Analyzing trace with hash 1553190237, now seen corresponding path program 1 times [2021-03-25 23:23:33,116 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 23:23:33,116 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864449630] [2021-03-25 23:23:33,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 23:23:33,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 23:23:33,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 23:23:33,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 23:23:33,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 23:23:33,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 23:23:33,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 23:23:33,136 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864449630] [2021-03-25 23:23:33,136 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 23:23:33,136 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-25 23:23:33,136 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748895298] [2021-03-25 23:23:33,136 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-25 23:23:33,136 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 23:23:33,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-25 23:23:33,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-25 23:23:33,137 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 226 out of 292 [2021-03-25 23:23:33,138 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 54 transitions, 166 flow. Second operand has 3 states, 3 states have (on average 227.0) internal successors, (681), 3 states have internal predecessors, (681), 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) [2021-03-25 23:23:33,138 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 23:23:33,138 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 226 of 292 [2021-03-25 23:23:33,139 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 23:23:33,197 INFO L129 PetriNetUnfolder]: 347/729 cut-off events. [2021-03-25 23:23:33,197 INFO L130 PetriNetUnfolder]: For 43/43 co-relation queries the response was YES. [2021-03-25 23:23:33,200 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1351 conditions, 729 events. 347/729 cut-off events. For 43/43 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 3827 event pairs, 70 based on Foata normal form. 0/603 useless extension candidates. Maximal degree in co-relation 1336. Up to 221 conditions per place. [2021-03-25 23:23:33,204 INFO L132 encePairwiseOnDemand]: 282/292 looper letters, 8 selfloop transitions, 6 changer transitions 0/58 dead transitions. [2021-03-25 23:23:33,204 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 58 transitions, 202 flow [2021-03-25 23:23:33,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 23:23:33,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 23:23:33,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 696 transitions. [2021-03-25 23:23:33,206 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7945205479452054 [2021-03-25 23:23:33,206 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 696 transitions. [2021-03-25 23:23:33,206 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 696 transitions. [2021-03-25 23:23:33,206 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 23:23:33,206 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 696 transitions. [2021-03-25 23:23:33,207 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 232.0) internal successors, (696), 3 states have internal predecessors, (696), 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) [2021-03-25 23:23:33,208 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 292.0) internal successors, (1168), 4 states have internal predecessors, (1168), 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) [2021-03-25 23:23:33,209 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 292.0) internal successors, (1168), 4 states have internal predecessors, (1168), 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) [2021-03-25 23:23:33,209 INFO L185 Difference]: Start difference. First operand has 54 places, 54 transitions, 166 flow. Second operand 3 states and 696 transitions. [2021-03-25 23:23:33,209 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 58 transitions, 202 flow [2021-03-25 23:23:33,212 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 58 transitions, 190 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-25 23:23:33,213 INFO L241 Difference]: Finished difference. Result has 56 places, 58 transitions, 202 flow [2021-03-25 23:23:33,213 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=292, PETRI_DIFFERENCE_MINUEND_FLOW=154, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=54, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=202, PETRI_PLACES=56, PETRI_TRANSITIONS=58} [2021-03-25 23:23:33,213 INFO L343 CegarLoopForPetriNet]: 58 programPoint places, -2 predicate places. [2021-03-25 23:23:33,213 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-25 23:23:33,213 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 56 places, 58 transitions, 202 flow [2021-03-25 23:23:33,213 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 56 places, 58 transitions, 202 flow [2021-03-25 23:23:33,214 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 56 places, 58 transitions, 202 flow [2021-03-25 23:23:33,249 INFO L129 PetriNetUnfolder]: 349/745 cut-off events. [2021-03-25 23:23:33,249 INFO L130 PetriNetUnfolder]: For 36/36 co-relation queries the response was YES. [2021-03-25 23:23:33,253 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1320 conditions, 745 events. 349/745 cut-off events. For 36/36 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 4047 event pairs, 70 based on Foata normal form. 0/647 useless extension candidates. Maximal degree in co-relation 1305. Up to 221 conditions per place. [2021-03-25 23:23:33,263 INFO L142 LiptonReduction]: Number of co-enabled transitions 1888 [2021-03-25 23:23:33,409 INFO L154 LiptonReduction]: Checked pairs total: 989 [2021-03-25 23:23:33,410 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 23:23:33,410 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 197 [2021-03-25 23:23:33,411 INFO L480 AbstractCegarLoop]: Abstraction has has 55 places, 57 transitions, 200 flow [2021-03-25 23:23:33,411 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 227.0) internal successors, (681), 3 states have internal predecessors, (681), 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) [2021-03-25 23:23:33,411 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 23:23:33,411 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 23:23:33,411 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-25 23:23:33,411 INFO L428 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-25 23:23:33,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 23:23:33,411 INFO L82 PathProgramCache]: Analyzing trace with hash 625045257, now seen corresponding path program 1 times [2021-03-25 23:23:33,412 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 23:23:33,412 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692747817] [2021-03-25 23:23:33,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 23:23:33,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 23:23:33,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 23:23:33,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 23:23:33,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 23:23:33,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 23:23:33,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 23:23:33,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 23:23:33,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 23:23:33,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 23:23:33,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 23:23:33,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 23:23:33,462 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-25 23:23:33,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 23:23:33,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 23:23:33,465 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692747817] [2021-03-25 23:23:33,465 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 23:23:33,465 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-25 23:23:33,465 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713300497] [2021-03-25 23:23:33,465 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-25 23:23:33,465 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 23:23:33,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-25 23:23:33,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-03-25 23:23:33,466 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 176 out of 293 [2021-03-25 23:23:33,467 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 57 transitions, 200 flow. Second operand has 6 states, 6 states have (on average 177.33333333333334) internal successors, (1064), 6 states have internal predecessors, (1064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 23:23:33,467 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 23:23:33,467 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 176 of 293 [2021-03-25 23:23:33,467 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 23:23:34,648 INFO L129 PetriNetUnfolder]: 9925/14187 cut-off events. [2021-03-25 23:23:34,648 INFO L130 PetriNetUnfolder]: For 11784/12860 co-relation queries the response was YES. [2021-03-25 23:23:34,710 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38916 conditions, 14187 events. 9925/14187 cut-off events. For 11784/12860 co-relation queries the response was YES. Maximal size of possible extension queue 1139. Compared 88368 event pairs, 788 based on Foata normal form. 72/12130 useless extension candidates. Maximal degree in co-relation 38898. Up to 5905 conditions per place. [2021-03-25 23:23:34,821 INFO L132 encePairwiseOnDemand]: 277/293 looper letters, 54 selfloop transitions, 30 changer transitions 0/119 dead transitions. [2021-03-25 23:23:34,821 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 119 transitions, 628 flow [2021-03-25 23:23:34,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 23:23:34,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 23:23:34,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1303 transitions. [2021-03-25 23:23:34,824 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6352998537298878 [2021-03-25 23:23:34,824 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1303 transitions. [2021-03-25 23:23:34,824 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1303 transitions. [2021-03-25 23:23:34,825 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 23:23:34,825 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1303 transitions. [2021-03-25 23:23:34,826 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 186.14285714285714) internal successors, (1303), 7 states have internal predecessors, (1303), 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) [2021-03-25 23:23:34,829 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 293.0) internal successors, (2344), 8 states have internal predecessors, (2344), 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) [2021-03-25 23:23:34,829 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 293.0) internal successors, (2344), 8 states have internal predecessors, (2344), 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) [2021-03-25 23:23:34,829 INFO L185 Difference]: Start difference. First operand has 55 places, 57 transitions, 200 flow. Second operand 7 states and 1303 transitions. [2021-03-25 23:23:34,829 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 119 transitions, 628 flow [2021-03-25 23:23:34,890 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 119 transitions, 584 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-25 23:23:34,891 INFO L241 Difference]: Finished difference. Result has 64 places, 85 transitions, 427 flow [2021-03-25 23:23:34,892 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=293, PETRI_DIFFERENCE_MINUEND_FLOW=188, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=57, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=427, PETRI_PLACES=64, PETRI_TRANSITIONS=85} [2021-03-25 23:23:34,892 INFO L343 CegarLoopForPetriNet]: 58 programPoint places, 6 predicate places. [2021-03-25 23:23:34,892 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-25 23:23:34,892 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 64 places, 85 transitions, 427 flow [2021-03-25 23:23:34,892 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 64 places, 85 transitions, 427 flow [2021-03-25 23:23:34,892 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 64 places, 85 transitions, 427 flow [2021-03-25 23:23:35,075 INFO L129 PetriNetUnfolder]: 1312/2526 cut-off events. [2021-03-25 23:23:35,076 INFO L130 PetriNetUnfolder]: For 1101/1507 co-relation queries the response was YES. [2021-03-25 23:23:35,087 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5921 conditions, 2526 events. 1312/2526 cut-off events. For 1101/1507 co-relation queries the response was YES. Maximal size of possible extension queue 285. Compared 17984 event pairs, 83 based on Foata normal form. 4/2249 useless extension candidates. Maximal degree in co-relation 5901. Up to 675 conditions per place. [2021-03-25 23:23:35,112 INFO L142 LiptonReduction]: Number of co-enabled transitions 3042 [2021-03-25 23:23:35,428 INFO L154 LiptonReduction]: Checked pairs total: 246 [2021-03-25 23:23:35,428 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 23:23:35,428 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 536 [2021-03-25 23:23:35,435 INFO L480 AbstractCegarLoop]: Abstraction has has 64 places, 85 transitions, 427 flow [2021-03-25 23:23:35,436 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 177.33333333333334) internal successors, (1064), 6 states have internal predecessors, (1064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 23:23:35,436 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 23:23:35,436 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 23:23:35,436 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-25 23:23:35,436 INFO L428 AbstractCegarLoop]: === Iteration 5 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-25 23:23:35,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 23:23:35,436 INFO L82 PathProgramCache]: Analyzing trace with hash -1722029788, now seen corresponding path program 1 times [2021-03-25 23:23:35,436 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 23:23:35,436 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796635421] [2021-03-25 23:23:35,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 23:23:35,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-25 23:23:35,453 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-25 23:23:35,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-25 23:23:35,463 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-25 23:23:35,475 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-25 23:23:35,475 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-03-25 23:23:35,475 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-03-25 23:23:35,529 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.03 11:23:35 BasicIcfg [2021-03-25 23:23:35,529 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-25 23:23:35,530 INFO L168 Benchmark]: Toolchain (without parser) took 11458.43 ms. Allocated memory was 323.0 MB in the beginning and 658.5 MB in the end (delta: 335.5 MB). Free memory was 286.0 MB in the beginning and 448.1 MB in the end (delta: -162.1 MB). Peak memory consumption was 175.4 MB. Max. memory is 16.0 GB. [2021-03-25 23:23:35,530 INFO L168 Benchmark]: CDTParser took 0.52 ms. Allocated memory is still 323.0 MB. Free memory was 303.9 MB in the beginning and 303.8 MB in the end (delta: 144.7 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-25 23:23:35,530 INFO L168 Benchmark]: CACSL2BoogieTranslator took 469.21 ms. Allocated memory is still 323.0 MB. Free memory was 285.9 MB in the beginning and 287.9 MB in the end (delta: -2.1 MB). Peak memory consumption was 8.7 MB. Max. memory is 16.0 GB. [2021-03-25 23:23:35,530 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.72 ms. Allocated memory is still 323.0 MB. Free memory was 287.9 MB in the beginning and 285.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-25 23:23:35,530 INFO L168 Benchmark]: Boogie Preprocessor took 30.43 ms. Allocated memory is still 323.0 MB. Free memory was 285.8 MB in the beginning and 283.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-25 23:23:35,530 INFO L168 Benchmark]: RCFGBuilder took 370.07 ms. Allocated memory is still 323.0 MB. Free memory was 283.7 MB in the beginning and 261.7 MB in the end (delta: 22.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.0 GB. [2021-03-25 23:23:35,531 INFO L168 Benchmark]: TraceAbstraction took 10543.61 ms. Allocated memory was 323.0 MB in the beginning and 658.5 MB in the end (delta: 335.5 MB). Free memory was 260.7 MB in the beginning and 448.1 MB in the end (delta: -187.4 MB). Peak memory consumption was 149.2 MB. Max. memory is 16.0 GB. [2021-03-25 23:23:35,531 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.52 ms. Allocated memory is still 323.0 MB. Free memory was 303.9 MB in the beginning and 303.8 MB in the end (delta: 144.7 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 469.21 ms. Allocated memory is still 323.0 MB. Free memory was 285.9 MB in the beginning and 287.9 MB in the end (delta: -2.1 MB). Peak memory consumption was 8.7 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 40.72 ms. Allocated memory is still 323.0 MB. Free memory was 287.9 MB in the beginning and 285.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 30.43 ms. Allocated memory is still 323.0 MB. Free memory was 285.8 MB in the beginning and 283.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 370.07 ms. Allocated memory is still 323.0 MB. Free memory was 283.7 MB in the beginning and 261.7 MB in the end (delta: 22.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.0 GB. * TraceAbstraction took 10543.61 ms. Allocated memory was 323.0 MB in the beginning and 658.5 MB in the end (delta: 335.5 MB). Free memory was 260.7 MB in the beginning and 448.1 MB in the end (delta: -187.4 MB). Peak memory consumption was 149.2 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1150.5ms, 68 PlacesBefore, 37 PlacesAfterwards, 74 TransitionsBefore, 38 TransitionsAfterwards, 1824 CoEnabledTransitionPairs, 5 FixpointIterations, 13 TrivialSequentialCompositions, 20 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 5 ChoiceCompositions, 43 TotalNumberOfCompositions, 1201 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 853, positive: 833, positive conditional: 833, positive unconditional: 0, negative: 20, negative conditional: 20, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 764, positive: 750, positive conditional: 0, positive unconditional: 750, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 764, positive: 750, positive conditional: 0, positive unconditional: 750, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 764, positive: 735, positive conditional: 0, positive unconditional: 735, negative: 29, negative conditional: 0, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 29, positive: 15, positive conditional: 0, positive unconditional: 15, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 85, positive: 49, positive conditional: 0, positive unconditional: 49, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 853, positive: 83, positive conditional: 83, positive unconditional: 0, negative: 6, negative conditional: 6, negative unconditional: 0, unknown: 764, unknown conditional: 764, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 33, Positive cache size: 30, Positive conditional cache size: 30, Positive unconditional cache size: 0, Negative cache size: 3, Negative conditional cache size: 3, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 692.3ms, 35 PlacesBefore, 29 PlacesAfterwards, 34 TransitionsBefore, 28 TransitionsAfterwards, 498 CoEnabledTransitionPairs, 4 FixpointIterations, 2 TrivialSequentialCompositions, 4 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 1 ChoiceCompositions, 12 TotalNumberOfCompositions, 538 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 260, positive: 231, positive conditional: 231, positive unconditional: 0, negative: 29, negative conditional: 29, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 156, positive: 148, positive conditional: 0, positive unconditional: 148, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 156, positive: 148, positive conditional: 0, positive unconditional: 148, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 156, positive: 144, positive conditional: 0, positive unconditional: 144, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 12, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 34, positive: 13, positive conditional: 0, positive unconditional: 13, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 260, positive: 83, positive conditional: 83, positive unconditional: 0, negative: 21, negative conditional: 21, negative unconditional: 0, unknown: 156, unknown conditional: 156, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 32, Positive conditional cache size: 32, Positive unconditional cache size: 0, Negative cache size: 7, Negative conditional cache size: 7, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 969.6ms, 80 PlacesBefore, 46 PlacesAfterwards, 87 TransitionsBefore, 49 TransitionsAfterwards, 3234 CoEnabledTransitionPairs, 5 FixpointIterations, 13 TrivialSequentialCompositions, 22 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 13 ConcurrentYvCompositions, 4 ChoiceCompositions, 52 TotalNumberOfCompositions, 3444 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2050, positive: 1999, positive conditional: 1999, positive unconditional: 0, negative: 51, negative conditional: 51, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1712, positive: 1685, positive conditional: 0, positive unconditional: 1685, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1712, positive: 1685, positive conditional: 0, positive unconditional: 1685, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1712, positive: 1662, positive conditional: 0, positive unconditional: 1662, negative: 50, negative conditional: 0, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 50, positive: 23, positive conditional: 0, positive unconditional: 23, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 67, positive: 31, positive conditional: 0, positive unconditional: 31, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2050, positive: 314, positive conditional: 314, positive unconditional: 0, negative: 24, negative conditional: 24, negative unconditional: 0, unknown: 1712, unknown conditional: 1712, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 93, Positive cache size: 89, Positive conditional cache size: 89, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 589.7ms, 42 PlacesBefore, 36 PlacesAfterwards, 41 TransitionsBefore, 35 TransitionsAfterwards, 864 CoEnabledTransitionPairs, 4 FixpointIterations, 2 TrivialSequentialCompositions, 3 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 3 ConcurrentYvCompositions, 1 ChoiceCompositions, 9 TotalNumberOfCompositions, 1348 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 493, positive: 439, positive conditional: 439, positive unconditional: 0, negative: 54, negative conditional: 54, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 182, positive: 172, positive conditional: 0, positive unconditional: 172, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 182, positive: 172, positive conditional: 0, positive unconditional: 172, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 182, positive: 166, positive conditional: 0, positive unconditional: 166, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 16, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 34, positive: 14, positive conditional: 0, positive unconditional: 14, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 493, positive: 267, positive conditional: 267, positive unconditional: 0, negative: 44, negative conditional: 44, negative unconditional: 0, unknown: 182, unknown conditional: 182, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 141, Positive cache size: 130, Positive conditional cache size: 130, Positive unconditional cache size: 0, Negative cache size: 11, Negative conditional cache size: 11, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 889.6ms, 92 PlacesBefore, 54 PlacesAfterwards, 100 TransitionsBefore, 56 TransitionsAfterwards, 4956 CoEnabledTransitionPairs, 4 FixpointIterations, 11 TrivialSequentialCompositions, 24 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 15 ConcurrentYvCompositions, 6 ChoiceCompositions, 56 TotalNumberOfCompositions, 4945 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2912, positive: 2858, positive conditional: 2858, positive unconditional: 0, negative: 54, negative conditional: 54, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2456, positive: 2413, positive conditional: 0, positive unconditional: 2413, negative: 43, negative conditional: 0, negative unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2456, positive: 2413, positive conditional: 0, positive unconditional: 2413, negative: 43, negative conditional: 0, negative unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2456, positive: 2358, positive conditional: 0, positive unconditional: 2358, negative: 98, negative conditional: 0, negative unconditional: 98, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 98, positive: 55, positive conditional: 0, positive unconditional: 55, negative: 43, negative conditional: 0, negative unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 121, positive: 69, positive conditional: 0, positive unconditional: 69, negative: 52, negative conditional: 0, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2912, positive: 445, positive conditional: 445, positive unconditional: 0, negative: 11, negative conditional: 11, negative unconditional: 0, unknown: 2456, unknown conditional: 2456, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 117, Positive cache size: 106, Positive conditional cache size: 106, Positive unconditional cache size: 0, Negative cache size: 11, Negative conditional cache size: 11, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 754.9ms, 52 PlacesBefore, 45 PlacesAfterwards, 51 TransitionsBefore, 45 TransitionsAfterwards, 1384 CoEnabledTransitionPairs, 4 FixpointIterations, 4 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 3 ConcurrentYvCompositions, 0 ChoiceCompositions, 9 TotalNumberOfCompositions, 2592 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 668, positive: 589, positive conditional: 589, positive unconditional: 0, negative: 79, negative conditional: 79, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 209, positive: 200, positive conditional: 0, positive unconditional: 200, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 209, positive: 200, positive conditional: 0, positive unconditional: 200, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 209, positive: 189, positive conditional: 0, positive unconditional: 189, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 20, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 32, positive: 19, positive conditional: 0, positive unconditional: 19, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 668, positive: 389, positive conditional: 389, positive unconditional: 0, negative: 70, negative conditional: 70, negative unconditional: 0, unknown: 209, unknown conditional: 209, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 182, Positive cache size: 166, Positive conditional cache size: 166, Positive unconditional cache size: 0, Negative cache size: 16, Negative conditional cache size: 16, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 98.6ms, 49 PlacesBefore, 47 PlacesAfterwards, 49 TransitionsBefore, 46 TransitionsAfterwards, 1368 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 1 ChoiceCompositions, 3 TotalNumberOfCompositions, 1377 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 445, positive: 403, positive conditional: 403, positive unconditional: 0, negative: 42, negative conditional: 42, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 137, positive: 132, positive conditional: 0, positive unconditional: 132, negative: 5, negative conditional: 4, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 137, positive: 132, positive conditional: 0, positive unconditional: 132, negative: 5, negative conditional: 4, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 137, positive: 126, positive conditional: 0, positive unconditional: 126, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 11, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 5, negative conditional: 4, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 21, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 12, negative conditional: 10, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 445, positive: 271, positive conditional: 271, positive unconditional: 0, negative: 37, negative conditional: 37, negative unconditional: 0, unknown: 137, unknown conditional: 137, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 244, Positive cache size: 223, Positive conditional cache size: 223, Positive unconditional cache size: 0, Negative cache size: 21, Negative conditional cache size: 21, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1264.3ms, 104 PlacesBefore, 58 PlacesAfterwards, 113 TransitionsBefore, 60 TransitionsAfterwards, 6990 CoEnabledTransitionPairs, 5 FixpointIterations, 13 TrivialSequentialCompositions, 28 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 18 ConcurrentYvCompositions, 7 ChoiceCompositions, 66 TotalNumberOfCompositions, 7492 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3961, positive: 3885, positive conditional: 3885, positive unconditional: 0, negative: 76, negative conditional: 76, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3362, positive: 3313, positive conditional: 0, positive unconditional: 3313, negative: 49, negative conditional: 0, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3362, positive: 3313, positive conditional: 0, positive unconditional: 3313, negative: 49, negative conditional: 0, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3362, positive: 3256, positive conditional: 0, positive unconditional: 3256, negative: 106, negative conditional: 0, negative unconditional: 106, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 106, positive: 57, positive conditional: 0, positive unconditional: 57, negative: 49, negative conditional: 0, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 136, positive: 74, positive conditional: 0, positive unconditional: 74, negative: 63, negative conditional: 0, negative unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3961, positive: 572, positive conditional: 572, positive unconditional: 0, negative: 27, negative conditional: 27, negative unconditional: 0, unknown: 3362, unknown conditional: 3362, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 137, Positive cache size: 125, Positive conditional cache size: 125, Positive unconditional cache size: 0, Negative cache size: 12, Negative conditional cache size: 12, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 597.7ms, 56 PlacesBefore, 51 PlacesAfterwards, 55 TransitionsBefore, 50 TransitionsAfterwards, 1884 CoEnabledTransitionPairs, 4 FixpointIterations, 2 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 3 ConcurrentYvCompositions, 1 ChoiceCompositions, 8 TotalNumberOfCompositions, 3700 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 931, positive: 836, positive conditional: 836, positive unconditional: 0, negative: 95, negative conditional: 95, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 294, positive: 284, positive conditional: 0, positive unconditional: 284, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 294, positive: 284, positive conditional: 0, positive unconditional: 284, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 294, positive: 272, positive conditional: 0, positive unconditional: 272, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 22, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 33, positive: 19, positive conditional: 0, positive unconditional: 19, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 931, positive: 552, positive conditional: 552, positive unconditional: 0, negative: 85, negative conditional: 85, negative unconditional: 0, unknown: 294, unknown conditional: 294, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 238, Positive cache size: 217, Positive conditional cache size: 217, Positive unconditional cache size: 0, Negative cache size: 21, Negative conditional cache size: 21, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 160.1ms, 55 PlacesBefore, 54 PlacesAfterwards, 55 TransitionsBefore, 54 TransitionsAfterwards, 1866 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 2021 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 547, positive: 496, positive conditional: 496, positive unconditional: 0, negative: 51, negative conditional: 51, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 123, positive: 115, positive conditional: 0, positive unconditional: 115, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 123, positive: 115, positive conditional: 0, positive unconditional: 115, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 123, positive: 111, positive conditional: 0, positive unconditional: 111, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 12, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 20, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 547, positive: 381, positive conditional: 381, positive unconditional: 0, negative: 43, negative conditional: 43, negative unconditional: 0, unknown: 123, unknown conditional: 123, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 295, Positive cache size: 266, Positive conditional cache size: 266, Positive unconditional cache size: 0, Negative cache size: 29, Negative conditional cache size: 29, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 196.3ms, 56 PlacesBefore, 55 PlacesAfterwards, 58 TransitionsBefore, 57 TransitionsAfterwards, 1888 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 989 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 93, positive: 67, positive conditional: 67, positive unconditional: 0, negative: 26, negative conditional: 26, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 30, positive: 21, positive conditional: 0, positive unconditional: 21, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 30, positive: 21, positive conditional: 0, positive unconditional: 21, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 30, positive: 20, positive conditional: 0, positive unconditional: 20, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 10, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 19, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 93, positive: 46, positive conditional: 46, positive unconditional: 0, negative: 17, negative conditional: 17, negative unconditional: 0, unknown: 30, unknown conditional: 30, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 282, Positive cache size: 255, Positive conditional cache size: 255, Positive unconditional cache size: 0, Negative cache size: 27, Negative conditional cache size: 27, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 536.2ms, 64 PlacesBefore, 64 PlacesAfterwards, 85 TransitionsBefore, 85 TransitionsAfterwards, 3042 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 246 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 40, positive: 36, positive conditional: 36, positive unconditional: 0, negative: 4, negative conditional: 4, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 33, positive: 30, positive conditional: 10, positive unconditional: 20, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 33, positive: 30, positive conditional: 10, positive unconditional: 20, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 33, positive: 21, positive conditional: 0, positive unconditional: 21, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 12, positive: 9, positive conditional: 3, positive unconditional: 6, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 34, positive: 30, positive conditional: 11, positive unconditional: 19, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 40, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 33, unknown conditional: 33, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 315, Positive cache size: 285, Positive conditional cache size: 285, Positive unconditional cache size: 0, Negative cache size: 30, Negative conditional cache size: 30, Negative unconditional cache size: 0 - CounterExampleResult [Line: 710]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L685] 0 int usecount; [L686] 0 int locked; [L687] 0 int flag1 = 0; [L688] 0 int flag2 = 0; [L689] 0 int release_thr1 = 0; [L744] 0 pthread_t t; [L745] FCALL, FORK 0 pthread_create(&t, 0, thr1, 0) VAL [flag1=0, flag2=0, locked=0, release_thr1=0, usecount=0] [L746] COND TRUE 0 1 VAL [flag1=0, flag2=0, locked=0, release_thr1=0, usecount=0] [L746] FCALL, FORK 0 pthread_create(&t, 0, thr2, 0) VAL [arg={0:0}, flag1=0, flag2=0, locked=0, release_thr1=0, usecount=0] [L717] 1 void* rval; [L718] 1 int count; [L719] 1 usecount = 0 [L720] 1 locked = 0 VAL [arg={0:0}, arg={0:0}, flag1=0, flag2=0, locked=0, release_thr1=0, usecount=0] [L721] 1 release_thr1 = 1 VAL [arg={0:0}, arg={0:0}, flag1=0, flag2=0, locked=0, release_thr1=1, usecount=0] [L692] COND FALSE 2 !(!release_thr1) [L693] 2 usecount = usecount + 1 VAL [arg={0:0}, arg={0:0}, flag1=0, flag2=0, locked=0, release_thr1=1, usecount=1] [L694] COND FALSE 2 !(\read(locked)) VAL [arg={0:0}, arg={0:0}, flag1=0, flag2=0, locked=0, release_thr1=1, usecount=1] [L696] 2 locked = 1 [L697] 2 flag1 = 1 [L698] 2 return 0; [L722] COND TRUE 1 1 VAL [\result={0:0}, arg={0:0}, arg={0:0}, flag1=1, flag2=0, locked=1, release_thr1=1, usecount=1] [L724] COND TRUE 1 \read(flag1) VAL [\result={0:0}, arg={0:0}, arg={0:0}, flag1=1, flag2=0, locked=1, release_thr1=1, usecount=1] [L729] 1 rval = (void*)__VERIFIER_nondet_int() VAL [\result={0:0}, arg={0:0}, arg={0:0}, flag1=1, flag2=0, locked=1, release_thr1=1, usecount=1] [L730] COND TRUE 1 rval == 0 [L732] 1 count = 1 [L702] 1 usecount = usecount - 1 [L703] 1 locked = 0 [L738] COND TRUE 1 count != 0 [L729] 1 rval = (void*)__VERIFIER_nondet_int() [L730] COND FALSE 1 !(rval == 0) [L736] 1 count = 0 VAL [\result={0:0}, arg={0:0}, arg={0:0}, flag1=1, flag2=0, locked=0, release_thr1=1, usecount=0] [L738] COND FALSE 1 !(count != 0) [L702] 1 usecount = usecount - 1 [L703] 1 locked = 0 VAL [\result={0:0}, arg={0:0}, arg={0:0}, flag1=1, flag2=0, locked=0, release_thr1=1, usecount=-1] [L708] COND TRUE 1 usecount != 0 [L710] 1 reach_error() VAL [\result={0:0}, arg={0:0}, arg={0:0}, flag1=1, flag2=0, locked=0, release_thr1=1, usecount=-1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 63 locations, 1 error locations. Started 4 CEGAR loops. EmptinessCheckTime: 8.2ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 10256.6ms, OverallIterations: 12, TraceHistogramMax: 4, EmptinessCheckTime: 0.0ms, AutomataDifference: 1709.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 4394.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 48 SDtfs, 22 SDslu, 24 SDs, 0 SdLazy, 114 SolverSat, 32 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 63.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 30.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=427occurred in iteration=4, InterpolantAutomatonStates: 24, 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: 14.5ms SsaConstructionTime, 99.0ms SatisfiabilityAnalysisTime, 135.9ms InterpolantComputationTime, 184 NumberOfCodeBlocks, 184 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 110 ConstructedInterpolants, 0 QuantifiedInterpolants, 251 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...