/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/14_spin2003.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-28 15:42:08,201 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-28 15:42:08,205 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-28 15:42:08,249 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-28 15:42:08,249 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-28 15:42:08,251 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-28 15:42:08,253 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-28 15:42:08,256 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-28 15:42:08,258 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-28 15:42:08,260 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-28 15:42:08,263 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-28 15:42:08,265 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-28 15:42:08,265 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-28 15:42:08,267 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-28 15:42:08,268 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-28 15:42:08,270 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-28 15:42:08,271 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-28 15:42:08,274 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-28 15:42:08,277 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-28 15:42:08,279 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-28 15:42:08,282 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-28 15:42:08,283 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-28 15:42:08,287 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-28 15:42:08,289 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-28 15:42:08,292 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-04-28 15:42:08,293 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-04-28 15:42:08,293 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-04-28 15:42:08,295 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-04-28 15:42:08,295 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-04-28 15:42:08,297 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-04-28 15:42:08,297 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-04-28 15:42:08,298 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-04-28 15:42:08,299 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-04-28 15:42:08,300 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-04-28 15:42:08,302 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-04-28 15:42:08,302 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-04-28 15:42:08,303 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-04-28 15:42:08,304 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-04-28 15:42:08,304 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-28 15:42:08,305 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-28 15:42:08,306 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-28 15:42:08,307 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf [2021-04-28 15:42:08,338 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-28 15:42:08,338 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-28 15:42:08,340 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-28 15:42:08,341 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-28 15:42:08,341 INFO L138 SettingsManager]: * Use SBE=true [2021-04-28 15:42:08,341 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-28 15:42:08,342 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-28 15:42:08,342 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-28 15:42:08,342 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-28 15:42:08,343 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-28 15:42:08,343 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-28 15:42:08,343 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-28 15:42:08,344 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-28 15:42:08,344 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-28 15:42:08,344 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-28 15:42:08,344 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-28 15:42:08,345 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-28 15:42:08,345 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-28 15:42:08,345 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-28 15:42:08,345 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-28 15:42:08,345 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-28 15:42:08,346 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 15:42:08,346 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-28 15:42:08,346 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-28 15:42:08,347 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-28 15:42:08,347 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-28 15:42:08,347 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-28 15:42:08,347 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-28 15:42:08,348 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-28 15:42:08,348 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-28 15:42:08,348 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-28 15:42:08,779 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-28 15:42:08,815 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-28 15:42:08,819 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-28 15:42:08,821 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-28 15:42:08,822 INFO L275 PluginConnector]: CDTParser initialized [2021-04-28 15:42:08,824 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/14_spin2003.i [2021-04-28 15:42:08,928 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b49bfd4a/19456c1e481649aea36492b13bf39ecd/FLAG7a580128c [2021-04-28 15:42:09,731 INFO L306 CDTParser]: Found 1 translation units. [2021-04-28 15:42:09,732 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/14_spin2003.i [2021-04-28 15:42:09,755 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b49bfd4a/19456c1e481649aea36492b13bf39ecd/FLAG7a580128c [2021-04-28 15:42:09,964 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b49bfd4a/19456c1e481649aea36492b13bf39ecd [2021-04-28 15:42:09,968 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-28 15:42:10,019 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-28 15:42:10,021 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-28 15:42:10,021 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-28 15:42:10,026 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-28 15:42:10,027 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 03:42:09" (1/1) ... [2021-04-28 15:42:10,029 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cd9bd6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 03:42:10, skipping insertion in model container [2021-04-28 15:42:10,030 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 03:42:09" (1/1) ... [2021-04-28 15:42:10,040 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-28 15:42:10,080 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-28 15:42:10,474 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/14_spin2003.i[30203,30216] [2021-04-28 15:42:10,483 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 15:42:10,495 INFO L203 MainTranslator]: Completed pre-run [2021-04-28 15:42:10,536 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/14_spin2003.i[30203,30216] [2021-04-28 15:42:10,538 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 15:42:10,622 INFO L208 MainTranslator]: Completed translation [2021-04-28 15:42:10,623 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 03:42:10 WrapperNode [2021-04-28 15:42:10,623 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-28 15:42:10,625 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-28 15:42:10,625 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-28 15:42:10,625 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-28 15:42:10,634 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 03:42:10" (1/1) ... [2021-04-28 15:42:10,651 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 03:42:10" (1/1) ... [2021-04-28 15:42:10,676 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-28 15:42:10,677 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-28 15:42:10,677 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-28 15:42:10,677 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-28 15:42:10,688 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 03:42:10" (1/1) ... [2021-04-28 15:42:10,688 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 03:42:10" (1/1) ... [2021-04-28 15:42:10,691 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 03:42:10" (1/1) ... [2021-04-28 15:42:10,692 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 03:42:10" (1/1) ... [2021-04-28 15:42:10,698 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 03:42:10" (1/1) ... [2021-04-28 15:42:10,703 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 03:42:10" (1/1) ... [2021-04-28 15:42:10,725 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 03:42:10" (1/1) ... [2021-04-28 15:42:10,728 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-28 15:42:10,729 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-28 15:42:10,729 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-28 15:42:10,729 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-28 15:42:10,733 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 03:42:10" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 15:42:10,874 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-04-28 15:42:10,874 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-04-28 15:42:10,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-28 15:42:10,875 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-28 15:42:10,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-28 15:42:10,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-28 15:42:10,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-28 15:42:10,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-28 15:42:10,882 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-04-28 15:42:11,518 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-28 15:42:11,519 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-04-28 15:42:11,523 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 03:42:11 BoogieIcfgContainer [2021-04-28 15:42:11,523 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-28 15:42:11,528 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-28 15:42:11,529 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-28 15:42:11,532 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-28 15:42:11,533 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.04 03:42:09" (1/3) ... [2021-04-28 15:42:11,534 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@af0ff38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 03:42:11, skipping insertion in model container [2021-04-28 15:42:11,535 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 03:42:10" (2/3) ... [2021-04-28 15:42:11,536 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@af0ff38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 03:42:11, skipping insertion in model container [2021-04-28 15:42:11,536 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 03:42:11" (3/3) ... [2021-04-28 15:42:11,538 INFO L111 eAbstractionObserver]: Analyzing ICFG 14_spin2003.i [2021-04-28 15:42:11,550 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-28 15:42:11,559 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-04-28 15:42:11,561 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-28 15:42:11,595 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:11,595 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:11,596 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:11,596 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:11,596 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:11,596 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:11,596 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:11,597 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:11,600 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:11,601 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:11,602 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:11,602 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:11,603 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:11,603 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:11,604 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:11,604 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:11,605 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:11,605 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:11,605 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:11,605 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:11,608 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:11,609 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:11,610 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:11,610 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:11,611 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:11,612 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:11,616 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-28 15:42:11,647 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-04-28 15:42:11,697 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-28 15:42:11,697 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-28 15:42:11,698 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-28 15:42:11,699 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-28 15:42:11,699 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-28 15:42:11,699 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-28 15:42:11,700 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-28 15:42:11,700 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-28 15:42:11,721 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 36 places, 35 transitions, 75 flow [2021-04-28 15:42:11,774 INFO L129 PetriNetUnfolder]: 3/43 cut-off events. [2021-04-28 15:42:11,774 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 15:42:11,795 INFO L84 FinitePrefix]: Finished finitePrefix Result has 48 conditions, 43 events. 3/43 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 52 event pairs, 0 based on Foata normal form. 0/37 useless extension candidates. Maximal degree in co-relation 21. Up to 4 conditions per place. [2021-04-28 15:42:11,795 INFO L82 GeneralOperation]: Start removeDead. Operand has 36 places, 35 transitions, 75 flow [2021-04-28 15:42:11,805 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 36 places, 35 transitions, 75 flow [2021-04-28 15:42:11,808 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 15:42:11,826 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 36 places, 35 transitions, 75 flow [2021-04-28 15:42:11,831 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 36 places, 35 transitions, 75 flow [2021-04-28 15:42:11,833 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 36 places, 35 transitions, 75 flow [2021-04-28 15:42:11,859 INFO L129 PetriNetUnfolder]: 3/43 cut-off events. [2021-04-28 15:42:11,859 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 15:42:11,861 INFO L84 FinitePrefix]: Finished finitePrefix Result has 48 conditions, 43 events. 3/43 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 51 event pairs, 0 based on Foata normal form. 0/37 useless extension candidates. Maximal degree in co-relation 21. Up to 4 conditions per place. [2021-04-28 15:42:11,866 INFO L146 LiptonReduction]: Number of co-enabled transitions 240 [2021-04-28 15:42:13,795 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 43 [2021-04-28 15:42:15,696 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 59 [2021-04-28 15:42:15,918 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 59 [2021-04-28 15:42:16,187 INFO L158 LiptonReduction]: Checked pairs total: 376 [2021-04-28 15:42:16,188 INFO L160 LiptonReduction]: Total number of compositions: 58 [2021-04-28 15:42:16,192 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4385 [2021-04-28 15:42:16,205 INFO L129 PetriNetUnfolder]: 1/27 cut-off events. [2021-04-28 15:42:16,206 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 15:42:16,206 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 15:42:16,207 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2021-04-28 15:42:16,207 INFO L428 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 15:42:16,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 15:42:16,214 INFO L82 PathProgramCache]: Analyzing trace with hash 7176691, now seen corresponding path program 1 times [2021-04-28 15:42:16,225 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 15:42:16,226 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472420430] [2021-04-28 15:42:16,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 15:42:16,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 15:42:16,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:42:16,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:42:16,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 15:42:16,406 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472420430] [2021-04-28 15:42:16,407 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 15:42:16,408 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 15:42:16,408 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268348598] [2021-04-28 15:42:16,419 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-04-28 15:42:16,420 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 15:42:16,435 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-04-28 15:42:16,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-04-28 15:42:16,439 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 74 out of 93 [2021-04-28 15:42:16,442 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 40 transitions, 85 flow. Second operand has 2 states, 2 states have (on average 74.5) internal successors, (149), 2 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 15:42:16,442 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 15:42:16,442 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 74 of 93 [2021-04-28 15:42:16,444 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 15:42:16,457 INFO L129 PetriNetUnfolder]: 0/33 cut-off events. [2021-04-28 15:42:16,457 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 15:42:16,458 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39 conditions, 33 events. 0/33 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 134 event pairs, 0 based on Foata normal form. 3/11 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-04-28 15:42:16,459 INFO L132 encePairwiseOnDemand]: 84/93 looper letters, 0 selfloop transitions, 0 changer transitions 14/30 dead transitions. [2021-04-28 15:42:16,459 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 30 transitions, 65 flow [2021-04-28 15:42:16,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-28 15:42:16,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2021-04-28 15:42:16,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 157 transitions. [2021-04-28 15:42:16,475 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8440860215053764 [2021-04-28 15:42:16,476 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 157 transitions. [2021-04-28 15:42:16,476 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 157 transitions. [2021-04-28 15:42:16,478 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 15:42:16,481 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 157 transitions. [2021-04-28 15:42:16,485 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 78.5) internal successors, (157), 2 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 15:42:16,490 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 93.0) internal successors, (279), 3 states have internal predecessors, (279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 15:42:16,491 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 93.0) internal successors, (279), 3 states have internal predecessors, (279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 15:42:16,494 INFO L185 Difference]: Start difference. First operand has 42 places, 40 transitions, 85 flow. Second operand 2 states and 157 transitions. [2021-04-28 15:42:16,495 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 34 places, 30 transitions, 65 flow [2021-04-28 15:42:16,497 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 30 transitions, 65 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-28 15:42:16,499 INFO L241 Difference]: Finished difference. Result has 34 places, 16 transitions, 37 flow [2021-04-28 15:42:16,502 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=65, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=37, PETRI_PLACES=34, PETRI_TRANSITIONS=16} [2021-04-28 15:42:16,503 INFO L343 CegarLoopForPetriNet]: 42 programPoint places, -8 predicate places. [2021-04-28 15:42:16,503 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 15:42:16,504 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 34 places, 16 transitions, 37 flow [2021-04-28 15:42:16,504 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 34 places, 16 transitions, 37 flow [2021-04-28 15:42:16,505 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 19 places, 16 transitions, 37 flow [2021-04-28 15:42:16,508 INFO L129 PetriNetUnfolder]: 0/17 cut-off events. [2021-04-28 15:42:16,509 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 15:42:16,509 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22 conditions, 17 events. 0/17 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 56 event pairs, 0 based on Foata normal form. 0/8 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-04-28 15:42:16,510 INFO L146 LiptonReduction]: Number of co-enabled transitions 66 [2021-04-28 15:42:16,737 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2021-04-28 15:42:17,030 INFO L158 LiptonReduction]: Checked pairs total: 9 [2021-04-28 15:42:17,030 INFO L160 LiptonReduction]: Total number of compositions: 3 [2021-04-28 15:42:17,031 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 528 [2021-04-28 15:42:17,033 INFO L480 AbstractCegarLoop]: Abstraction has has 19 places, 16 transitions, 37 flow [2021-04-28 15:42:17,033 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 74.5) internal successors, (149), 2 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 15:42:17,033 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 15:42:17,034 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2021-04-28 15:42:17,034 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-28 15:42:17,034 INFO L428 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 15:42:17,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 15:42:17,035 INFO L82 PathProgramCache]: Analyzing trace with hash 222475337, now seen corresponding path program 1 times [2021-04-28 15:42:17,035 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 15:42:17,035 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799626212] [2021-04-28 15:42:17,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 15:42:17,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 15:42:17,074 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 15:42:17,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 15:42:17,113 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 15:42:17,153 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-04-28 15:42:17,153 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-04-28 15:42:17,154 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-28 15:42:17,155 WARN L342 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2021-04-28 15:42:17,156 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2021-04-28 15:42:17,167 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:17,168 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:17,168 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:17,168 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:17,168 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:17,168 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:17,169 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:17,169 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:17,169 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:17,169 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:17,169 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:17,169 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:17,174 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:17,175 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:17,175 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:17,175 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:17,175 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:17,177 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:17,177 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:17,177 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:17,179 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:17,180 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:17,180 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:17,180 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:17,180 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:17,180 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:17,180 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:17,181 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:17,181 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:17,181 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:17,181 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:17,181 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:17,182 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:17,182 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:17,182 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:17,182 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:17,183 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:17,183 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:17,183 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:17,183 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:17,184 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:17,184 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:17,184 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:17,184 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:17,185 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:17,185 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:17,186 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:17,186 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:17,187 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:17,187 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:17,187 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:17,187 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:17,188 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-28 15:42:17,188 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-04-28 15:42:17,190 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-28 15:42:17,190 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-28 15:42:17,190 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-28 15:42:17,191 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-28 15:42:17,191 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-28 15:42:17,191 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-28 15:42:17,191 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-28 15:42:17,191 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-28 15:42:17,193 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 50 places, 48 transitions, 108 flow [2021-04-28 15:42:17,205 INFO L129 PetriNetUnfolder]: 5/65 cut-off events. [2021-04-28 15:42:17,205 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-04-28 15:42:17,206 INFO L84 FinitePrefix]: Finished finitePrefix Result has 75 conditions, 65 events. 5/65 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 128 event pairs, 0 based on Foata normal form. 0/55 useless extension candidates. Maximal degree in co-relation 44. Up to 6 conditions per place. [2021-04-28 15:42:17,206 INFO L82 GeneralOperation]: Start removeDead. Operand has 50 places, 48 transitions, 108 flow [2021-04-28 15:42:17,207 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 50 places, 48 transitions, 108 flow [2021-04-28 15:42:17,208 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 15:42:17,208 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 50 places, 48 transitions, 108 flow [2021-04-28 15:42:17,209 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 50 places, 48 transitions, 108 flow [2021-04-28 15:42:17,209 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 50 places, 48 transitions, 108 flow [2021-04-28 15:42:17,219 INFO L129 PetriNetUnfolder]: 5/65 cut-off events. [2021-04-28 15:42:17,220 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-04-28 15:42:17,220 INFO L84 FinitePrefix]: Finished finitePrefix Result has 75 conditions, 65 events. 5/65 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 132 event pairs, 0 based on Foata normal form. 0/55 useless extension candidates. Maximal degree in co-relation 44. Up to 6 conditions per place. [2021-04-28 15:42:17,222 INFO L146 LiptonReduction]: Number of co-enabled transitions 792 [2021-04-28 15:42:19,715 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 59 [2021-04-28 15:42:19,903 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 59 [2021-04-28 15:42:20,167 INFO L158 LiptonReduction]: Checked pairs total: 5390 [2021-04-28 15:42:20,168 INFO L160 LiptonReduction]: Total number of compositions: 63 [2021-04-28 15:42:20,170 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2962 [2021-04-28 15:42:20,185 INFO L129 PetriNetUnfolder]: 0/53 cut-off events. [2021-04-28 15:42:20,186 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-04-28 15:42:20,186 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 15:42:20,186 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-04-28 15:42:20,186 INFO L428 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-04-28 15:42:20,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 15:42:20,187 INFO L82 PathProgramCache]: Analyzing trace with hash -505475730, now seen corresponding path program 1 times [2021-04-28 15:42:20,187 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 15:42:20,188 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332049155] [2021-04-28 15:42:20,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 15:42:20,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 15:42:20,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:42:20,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:42:20,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:42:20,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-28 15:42:20,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 15:42:20,292 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332049155] [2021-04-28 15:42:20,292 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 15:42:20,292 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 15:42:20,292 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385940748] [2021-04-28 15:42:20,293 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 15:42:20,293 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 15:42:20,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 15:42:20,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 15:42:20,295 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 111 [2021-04-28 15:42:20,296 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 58 transitions, 128 flow. Second operand has 3 states, 3 states have (on average 62.333333333333336) internal successors, (187), 3 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 15:42:20,296 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 15:42:20,296 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 111 [2021-04-28 15:42:20,296 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 15:42:20,368 INFO L129 PetriNetUnfolder]: 29/168 cut-off events. [2021-04-28 15:42:20,369 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-04-28 15:42:20,369 INFO L84 FinitePrefix]: Finished finitePrefix Result has 280 conditions, 168 events. 29/168 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 867 event pairs, 3 based on Foata normal form. 82/171 useless extension candidates. Maximal degree in co-relation 241. Up to 65 conditions per place. [2021-04-28 15:42:20,371 INFO L132 encePairwiseOnDemand]: 87/111 looper letters, 16 selfloop transitions, 9 changer transitions 12/56 dead transitions. [2021-04-28 15:42:20,371 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 56 transitions, 182 flow [2021-04-28 15:42:20,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 15:42:20,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 15:42:20,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 230 transitions. [2021-04-28 15:42:20,374 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6906906906906907 [2021-04-28 15:42:20,374 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 230 transitions. [2021-04-28 15:42:20,375 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 230 transitions. [2021-04-28 15:42:20,376 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 15:42:20,376 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 230 transitions. [2021-04-28 15:42:20,378 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 76.66666666666667) internal successors, (230), 3 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 15:42:20,380 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 111.0) internal successors, (444), 4 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 15:42:20,380 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 111.0) internal successors, (444), 4 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 15:42:20,380 INFO L185 Difference]: Start difference. First operand has 61 places, 58 transitions, 128 flow. Second operand 3 states and 230 transitions. [2021-04-28 15:42:20,381 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 56 transitions, 182 flow [2021-04-28 15:42:20,382 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 56 transitions, 180 flow, removed 1 selfloop flow, removed 0 redundant places. [2021-04-28 15:42:20,385 INFO L241 Difference]: Finished difference. Result has 55 places, 42 transitions, 154 flow [2021-04-28 15:42:20,385 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=102, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=154, PETRI_PLACES=55, PETRI_TRANSITIONS=42} [2021-04-28 15:42:20,385 INFO L343 CegarLoopForPetriNet]: 61 programPoint places, -6 predicate places. [2021-04-28 15:42:20,385 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 15:42:20,386 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 55 places, 42 transitions, 154 flow [2021-04-28 15:42:20,386 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 55 places, 42 transitions, 154 flow [2021-04-28 15:42:20,387 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 43 places, 42 transitions, 154 flow [2021-04-28 15:42:20,402 INFO L129 PetriNetUnfolder]: 16/133 cut-off events. [2021-04-28 15:42:20,403 INFO L130 PetriNetUnfolder]: For 11/17 co-relation queries the response was YES. [2021-04-28 15:42:20,403 INFO L84 FinitePrefix]: Finished finitePrefix Result has 250 conditions, 133 events. 16/133 cut-off events. For 11/17 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 716 event pairs, 0 based on Foata normal form. 0/76 useless extension candidates. Maximal degree in co-relation 228. Up to 37 conditions per place. [2021-04-28 15:42:20,406 INFO L146 LiptonReduction]: Number of co-enabled transitions 604 [2021-04-28 15:42:20,700 INFO L158 LiptonReduction]: Checked pairs total: 670 [2021-04-28 15:42:20,700 INFO L160 LiptonReduction]: Total number of compositions: 4 [2021-04-28 15:42:20,700 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 315 [2021-04-28 15:42:20,702 INFO L480 AbstractCegarLoop]: Abstraction has has 43 places, 42 transitions, 154 flow [2021-04-28 15:42:20,703 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 62.333333333333336) internal successors, (187), 3 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 15:42:20,703 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 15:42:20,703 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1] [2021-04-28 15:42:20,703 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-28 15:42:20,703 INFO L428 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-04-28 15:42:20,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 15:42:20,704 INFO L82 PathProgramCache]: Analyzing trace with hash 1464401412, now seen corresponding path program 1 times [2021-04-28 15:42:20,704 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 15:42:20,705 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042486905] [2021-04-28 15:42:20,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 15:42:20,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 15:42:20,726 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 15:42:20,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 15:42:20,743 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 15:42:20,749 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-04-28 15:42:20,750 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-04-28 15:42:20,750 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-28 15:42:20,750 WARN L342 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2021-04-28 15:42:20,752 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2021-04-28 15:42:20,759 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:20,759 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:20,759 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:20,759 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:20,759 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:20,760 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:20,760 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:20,760 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:20,760 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:20,760 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:20,761 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:20,761 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:20,761 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:20,762 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:20,762 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:20,762 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:20,762 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:20,762 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:20,763 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:20,763 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:20,763 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:20,763 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:20,764 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:20,764 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:20,764 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:20,764 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:20,764 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:20,764 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:20,765 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:20,765 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:20,765 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:20,765 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:20,766 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:20,766 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:20,766 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:20,766 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:20,767 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:20,767 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:20,767 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:20,767 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:20,768 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:20,768 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:20,768 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:20,768 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:20,768 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:20,768 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:20,769 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:20,769 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:20,769 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:20,769 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:20,769 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:20,769 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:20,770 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:20,770 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:20,770 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:20,770 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:20,771 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:20,771 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:20,771 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:20,771 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:20,772 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:20,772 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:20,772 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:20,772 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:20,773 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:20,773 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:20,774 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:20,775 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:20,775 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:20,775 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:20,775 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:20,775 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:20,777 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:20,777 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:20,778 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:20,778 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:20,778 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:20,778 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:20,787 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-28 15:42:20,787 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-04-28 15:42:20,788 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-28 15:42:20,789 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-28 15:42:20,789 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-28 15:42:20,789 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-28 15:42:20,789 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-28 15:42:20,789 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-28 15:42:20,789 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-28 15:42:20,789 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-28 15:42:20,791 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 64 places, 61 transitions, 143 flow [2021-04-28 15:42:20,814 INFO L129 PetriNetUnfolder]: 7/87 cut-off events. [2021-04-28 15:42:20,815 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2021-04-28 15:42:20,816 INFO L84 FinitePrefix]: Finished finitePrefix Result has 103 conditions, 87 events. 7/87 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 199 event pairs, 0 based on Foata normal form. 0/73 useless extension candidates. Maximal degree in co-relation 69. Up to 8 conditions per place. [2021-04-28 15:42:20,816 INFO L82 GeneralOperation]: Start removeDead. Operand has 64 places, 61 transitions, 143 flow [2021-04-28 15:42:20,820 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 64 places, 61 transitions, 143 flow [2021-04-28 15:42:20,820 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 15:42:20,820 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 64 places, 61 transitions, 143 flow [2021-04-28 15:42:20,821 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 64 places, 61 transitions, 143 flow [2021-04-28 15:42:20,821 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 64 places, 61 transitions, 143 flow [2021-04-28 15:42:20,834 INFO L129 PetriNetUnfolder]: 7/87 cut-off events. [2021-04-28 15:42:20,834 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2021-04-28 15:42:20,837 INFO L84 FinitePrefix]: Finished finitePrefix Result has 103 conditions, 87 events. 7/87 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 217 event pairs, 0 based on Foata normal form. 0/73 useless extension candidates. Maximal degree in co-relation 69. Up to 8 conditions per place. [2021-04-28 15:42:20,842 INFO L146 LiptonReduction]: Number of co-enabled transitions 1656 [2021-04-28 15:42:24,659 INFO L158 LiptonReduction]: Checked pairs total: 11614 [2021-04-28 15:42:24,659 INFO L160 LiptonReduction]: Total number of compositions: 78 [2021-04-28 15:42:24,660 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3840 [2021-04-28 15:42:24,667 INFO L129 PetriNetUnfolder]: 1/48 cut-off events. [2021-04-28 15:42:24,667 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-04-28 15:42:24,668 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 15:42:24,668 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-04-28 15:42:24,668 INFO L428 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-04-28 15:42:24,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 15:42:24,669 INFO L82 PathProgramCache]: Analyzing trace with hash 955073564, now seen corresponding path program 1 times [2021-04-28 15:42:24,669 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 15:42:24,669 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002956891] [2021-04-28 15:42:24,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 15:42:24,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 15:42:24,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:42:24,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:42:24,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:42:24,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-28 15:42:24,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 15:42:24,705 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002956891] [2021-04-28 15:42:24,705 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 15:42:24,705 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 15:42:24,706 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482168493] [2021-04-28 15:42:24,706 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 15:42:24,706 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 15:42:24,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 15:42:24,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 15:42:24,708 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 68 out of 139 [2021-04-28 15:42:24,709 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 74 transitions, 169 flow. Second operand has 3 states, 3 states have (on average 69.33333333333333) internal successors, (208), 3 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 15:42:24,709 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 15:42:24,709 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 68 of 139 [2021-04-28 15:42:24,709 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 15:42:25,004 INFO L129 PetriNetUnfolder]: 787/1995 cut-off events. [2021-04-28 15:42:25,004 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2021-04-28 15:42:25,011 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3487 conditions, 1995 events. 787/1995 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 231. Compared 17341 event pairs, 345 based on Foata normal form. 886/1946 useless extension candidates. Maximal degree in co-relation 3436. Up to 815 conditions per place. [2021-04-28 15:42:25,027 INFO L132 encePairwiseOnDemand]: 109/139 looper letters, 24 selfloop transitions, 13 changer transitions 13/76 dead transitions. [2021-04-28 15:42:25,027 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 76 transitions, 255 flow [2021-04-28 15:42:25,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 15:42:25,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 15:42:25,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 265 transitions. [2021-04-28 15:42:25,031 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6354916067146283 [2021-04-28 15:42:25,031 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 265 transitions. [2021-04-28 15:42:25,031 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 265 transitions. [2021-04-28 15:42:25,032 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 15:42:25,032 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 265 transitions. [2021-04-28 15:42:25,033 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 88.33333333333333) internal successors, (265), 3 states have internal predecessors, (265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 15:42:25,035 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 139.0) internal successors, (556), 4 states have internal predecessors, (556), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 15:42:25,036 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 139.0) internal successors, (556), 4 states have internal predecessors, (556), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 15:42:25,036 INFO L185 Difference]: Start difference. First operand has 78 places, 74 transitions, 169 flow. Second operand 3 states and 265 transitions. [2021-04-28 15:42:25,036 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 76 transitions, 255 flow [2021-04-28 15:42:25,038 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 76 transitions, 249 flow, removed 3 selfloop flow, removed 0 redundant places. [2021-04-28 15:42:25,040 INFO L241 Difference]: Finished difference. Result has 72 places, 60 transitions, 223 flow [2021-04-28 15:42:25,041 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=139, PETRI_DIFFERENCE_MINUEND_FLOW=137, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=223, PETRI_PLACES=72, PETRI_TRANSITIONS=60} [2021-04-28 15:42:25,041 INFO L343 CegarLoopForPetriNet]: 78 programPoint places, -6 predicate places. [2021-04-28 15:42:25,041 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 15:42:25,041 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 72 places, 60 transitions, 223 flow [2021-04-28 15:42:25,042 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 72 places, 60 transitions, 223 flow [2021-04-28 15:42:25,043 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 59 places, 60 transitions, 223 flow [2021-04-28 15:42:25,159 INFO L129 PetriNetUnfolder]: 440/1317 cut-off events. [2021-04-28 15:42:25,159 INFO L130 PetriNetUnfolder]: For 105/131 co-relation queries the response was YES. [2021-04-28 15:42:25,164 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2654 conditions, 1317 events. 440/1317 cut-off events. For 105/131 co-relation queries the response was YES. Maximal size of possible extension queue 156. Compared 11434 event pairs, 94 based on Foata normal form. 0/719 useless extension candidates. Maximal degree in co-relation 2631. Up to 439 conditions per place. [2021-04-28 15:42:25,245 INFO L146 LiptonReduction]: Number of co-enabled transitions 1734 [2021-04-28 15:42:25,559 INFO L158 LiptonReduction]: Checked pairs total: 2400 [2021-04-28 15:42:25,560 INFO L160 LiptonReduction]: Total number of compositions: 4 [2021-04-28 15:42:25,560 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 519 [2021-04-28 15:42:25,562 INFO L480 AbstractCegarLoop]: Abstraction has has 59 places, 60 transitions, 223 flow [2021-04-28 15:42:25,563 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 69.33333333333333) internal successors, (208), 3 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 15:42:25,563 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 15:42:25,563 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 3, 1, 1, 1, 1, 1] [2021-04-28 15:42:25,563 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-28 15:42:25,564 INFO L428 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-04-28 15:42:25,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 15:42:25,564 INFO L82 PathProgramCache]: Analyzing trace with hash -1822953769, now seen corresponding path program 1 times [2021-04-28 15:42:25,564 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 15:42:25,565 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179131914] [2021-04-28 15:42:25,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 15:42:25,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 15:42:25,584 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 15:42:25,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 15:42:25,598 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 15:42:25,609 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-04-28 15:42:25,609 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-04-28 15:42:25,609 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-28 15:42:25,610 WARN L342 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2021-04-28 15:42:25,610 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2021-04-28 15:42:25,619 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:25,619 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:25,619 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:25,619 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:25,620 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:25,620 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:25,620 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:25,620 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:25,620 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:25,620 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:25,621 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:25,621 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:25,621 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:25,621 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:25,622 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:25,622 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:25,622 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:25,622 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:25,622 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:25,622 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:25,623 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:25,623 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:25,623 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:25,623 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:25,623 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:25,624 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:25,624 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:25,624 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:25,624 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:25,624 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:25,624 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:25,625 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:25,625 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:25,625 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:25,625 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:25,626 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:25,626 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:25,626 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:25,626 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:25,626 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:25,627 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:25,627 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:25,627 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:25,627 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:25,627 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:25,627 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:25,628 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:25,628 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:25,628 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:25,628 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:25,628 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:25,628 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:25,629 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:25,629 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:25,629 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:25,630 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:25,630 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:25,630 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:25,630 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:25,630 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:25,631 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:25,631 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:25,631 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:25,631 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:25,631 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:25,632 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:25,632 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:25,632 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:25,632 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:25,632 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:25,632 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:25,633 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:25,633 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:25,633 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:25,633 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:25,634 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:25,634 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:25,634 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:25,634 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:25,634 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:25,635 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:25,635 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:25,635 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:25,635 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:25,635 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:25,636 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:25,637 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:25,637 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:25,637 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:25,638 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:25,638 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:25,638 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:25,639 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:25,640 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:25,640 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:25,640 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:25,640 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:25,640 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:25,642 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:25,642 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:25,642 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:25,642 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:25,642 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:25,643 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:25,644 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-28 15:42:25,644 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-04-28 15:42:25,645 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-28 15:42:25,645 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-28 15:42:25,646 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-28 15:42:25,646 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-28 15:42:25,646 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-28 15:42:25,646 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-28 15:42:25,646 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-28 15:42:25,646 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-28 15:42:25,648 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 78 places, 74 transitions, 180 flow [2021-04-28 15:42:25,661 INFO L129 PetriNetUnfolder]: 9/109 cut-off events. [2021-04-28 15:42:25,662 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2021-04-28 15:42:25,663 INFO L84 FinitePrefix]: Finished finitePrefix Result has 132 conditions, 109 events. 9/109 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 280 event pairs, 0 based on Foata normal form. 0/91 useless extension candidates. Maximal degree in co-relation 95. Up to 10 conditions per place. [2021-04-28 15:42:25,663 INFO L82 GeneralOperation]: Start removeDead. Operand has 78 places, 74 transitions, 180 flow [2021-04-28 15:42:25,664 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 78 places, 74 transitions, 180 flow [2021-04-28 15:42:25,664 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 15:42:25,665 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 78 places, 74 transitions, 180 flow [2021-04-28 15:42:25,665 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 78 places, 74 transitions, 180 flow [2021-04-28 15:42:25,666 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 78 places, 74 transitions, 180 flow [2021-04-28 15:42:25,682 INFO L129 PetriNetUnfolder]: 9/109 cut-off events. [2021-04-28 15:42:25,682 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2021-04-28 15:42:25,683 INFO L84 FinitePrefix]: Finished finitePrefix Result has 132 conditions, 109 events. 9/109 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 292 event pairs, 0 based on Foata normal form. 0/91 useless extension candidates. Maximal degree in co-relation 95. Up to 10 conditions per place. [2021-04-28 15:42:25,686 INFO L146 LiptonReduction]: Number of co-enabled transitions 2832 [2021-04-28 15:42:28,354 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2021-04-28 15:42:29,961 INFO L158 LiptonReduction]: Checked pairs total: 20410 [2021-04-28 15:42:29,961 INFO L160 LiptonReduction]: Total number of compositions: 86 [2021-04-28 15:42:29,962 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4298 [2021-04-28 15:42:29,969 INFO L129 PetriNetUnfolder]: 0/52 cut-off events. [2021-04-28 15:42:29,969 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-04-28 15:42:29,969 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 15:42:29,970 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-04-28 15:42:29,970 INFO L428 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 15:42:29,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 15:42:29,970 INFO L82 PathProgramCache]: Analyzing trace with hash 1865548999, now seen corresponding path program 1 times [2021-04-28 15:42:29,971 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 15:42:29,971 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801022947] [2021-04-28 15:42:29,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 15:42:29,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 15:42:29,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:42:29,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:42:29,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:42:29,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-28 15:42:29,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 15:42:29,998 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801022947] [2021-04-28 15:42:29,998 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 15:42:29,998 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 15:42:29,999 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744507353] [2021-04-28 15:42:29,999 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 15:42:29,999 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 15:42:30,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 15:42:30,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 15:42:30,001 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 78 out of 160 [2021-04-28 15:42:30,002 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 90 transitions, 212 flow. Second operand has 3 states, 3 states have (on average 79.33333333333333) internal successors, (238), 3 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 15:42:30,002 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 15:42:30,002 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 78 of 160 [2021-04-28 15:42:30,002 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 15:42:33,488 INFO L129 PetriNetUnfolder]: 11993/21893 cut-off events. [2021-04-28 15:42:33,489 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2021-04-28 15:42:33,614 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40186 conditions, 21893 events. 11993/21893 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 2003. Compared 212544 event pairs, 4067 based on Foata normal form. 8977/20069 useless extension candidates. Maximal degree in co-relation 40123. Up to 9245 conditions per place. [2021-04-28 15:42:33,847 INFO L132 encePairwiseOnDemand]: 124/160 looper letters, 32 selfloop transitions, 17 changer transitions 13/95 dead transitions. [2021-04-28 15:42:33,847 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 95 transitions, 328 flow [2021-04-28 15:42:33,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 15:42:33,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 15:42:33,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 309 transitions. [2021-04-28 15:42:33,850 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.64375 [2021-04-28 15:42:33,850 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 309 transitions. [2021-04-28 15:42:33,850 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 309 transitions. [2021-04-28 15:42:33,851 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 15:42:33,851 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 309 transitions. [2021-04-28 15:42:33,852 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 103.0) internal successors, (309), 3 states have internal predecessors, (309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 15:42:33,856 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 160.0) internal successors, (640), 4 states have internal predecessors, (640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 15:42:33,857 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 160.0) internal successors, (640), 4 states have internal predecessors, (640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 15:42:33,857 INFO L185 Difference]: Start difference. First operand has 95 places, 90 transitions, 212 flow. Second operand 3 states and 309 transitions. [2021-04-28 15:42:33,857 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 95 transitions, 328 flow [2021-04-28 15:42:33,860 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 95 transitions, 316 flow, removed 6 selfloop flow, removed 0 redundant places. [2021-04-28 15:42:33,863 INFO L241 Difference]: Finished difference. Result has 88 places, 78 transitions, 292 flow [2021-04-28 15:42:33,863 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=160, PETRI_DIFFERENCE_MINUEND_FLOW=170, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=292, PETRI_PLACES=88, PETRI_TRANSITIONS=78} [2021-04-28 15:42:33,864 INFO L343 CegarLoopForPetriNet]: 95 programPoint places, -7 predicate places. [2021-04-28 15:42:33,864 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 15:42:33,864 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 88 places, 78 transitions, 292 flow [2021-04-28 15:42:33,864 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 88 places, 78 transitions, 292 flow [2021-04-28 15:42:33,865 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 75 places, 78 transitions, 292 flow [2021-04-28 15:42:35,209 INFO L129 PetriNetUnfolder]: 6176/13281 cut-off events. [2021-04-28 15:42:35,209 INFO L130 PetriNetUnfolder]: For 799/1167 co-relation queries the response was YES. [2021-04-28 15:42:35,271 INFO L84 FinitePrefix]: Finished finitePrefix Result has 27526 conditions, 13281 events. 6176/13281 cut-off events. For 799/1167 co-relation queries the response was YES. Maximal size of possible extension queue 1330. Compared 139818 event pairs, 3034 based on Foata normal form. 0/7110 useless extension candidates. Maximal degree in co-relation 27502. Up to 5241 conditions per place. [2021-04-28 15:42:35,471 INFO L146 LiptonReduction]: Number of co-enabled transitions 3140 [2021-04-28 15:42:35,929 INFO L158 LiptonReduction]: Checked pairs total: 4600 [2021-04-28 15:42:35,929 INFO L160 LiptonReduction]: Total number of compositions: 4 [2021-04-28 15:42:35,929 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2065 [2021-04-28 15:42:35,936 INFO L480 AbstractCegarLoop]: Abstraction has has 75 places, 78 transitions, 292 flow [2021-04-28 15:42:35,937 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 79.33333333333333) internal successors, (238), 3 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 15:42:35,937 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 15:42:35,937 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 15:42:35,937 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-04-28 15:42:35,937 INFO L428 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 15:42:35,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 15:42:35,938 INFO L82 PathProgramCache]: Analyzing trace with hash 139228280, now seen corresponding path program 1 times [2021-04-28 15:42:35,938 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 15:42:35,938 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029847704] [2021-04-28 15:42:35,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 15:42:35,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 15:42:36,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:42:36,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:42:36,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:42:36,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:42:36,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:42:36,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:42:36,036 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 15:42:36,037 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029847704] [2021-04-28 15:42:36,037 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 15:42:36,037 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 15:42:36,037 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891006328] [2021-04-28 15:42:36,037 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 15:42:36,038 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 15:42:36,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 15:42:36,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 15:42:36,039 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 85 out of 164 [2021-04-28 15:42:36,040 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 78 transitions, 292 flow. Second operand has 3 states, 3 states have (on average 86.0) internal successors, (258), 3 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 15:42:36,043 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 15:42:36,043 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 85 of 164 [2021-04-28 15:42:36,043 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 15:42:36,352 INFO L129 PetriNetUnfolder]: 513/2589 cut-off events. [2021-04-28 15:42:36,353 INFO L130 PetriNetUnfolder]: For 259/259 co-relation queries the response was YES. [2021-04-28 15:42:36,360 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5940 conditions, 2589 events. 513/2589 cut-off events. For 259/259 co-relation queries the response was YES. Maximal size of possible extension queue 243. Compared 28307 event pairs, 513 based on Foata normal form. 375/1665 useless extension candidates. Maximal degree in co-relation 5914. Up to 770 conditions per place. [2021-04-28 15:42:36,447 INFO L132 encePairwiseOnDemand]: 148/164 looper letters, 1 selfloop transitions, 20 changer transitions 0/54 dead transitions. [2021-04-28 15:42:36,447 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 54 transitions, 238 flow [2021-04-28 15:42:36,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 15:42:36,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 15:42:36,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 276 transitions. [2021-04-28 15:42:36,449 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5609756097560976 [2021-04-28 15:42:36,449 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 276 transitions. [2021-04-28 15:42:36,449 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 276 transitions. [2021-04-28 15:42:36,450 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 15:42:36,450 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 276 transitions. [2021-04-28 15:42:36,452 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 92.0) internal successors, (276), 3 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 15:42:36,453 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 164.0) internal successors, (656), 4 states have internal predecessors, (656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 15:42:36,454 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 164.0) internal successors, (656), 4 states have internal predecessors, (656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 15:42:36,454 INFO L185 Difference]: Start difference. First operand has 75 places, 78 transitions, 292 flow. Second operand 3 states and 276 transitions. [2021-04-28 15:42:36,454 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 54 transitions, 238 flow [2021-04-28 15:42:36,465 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 54 transitions, 170 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-04-28 15:42:36,467 INFO L241 Difference]: Finished difference. Result has 65 places, 54 transitions, 168 flow [2021-04-28 15:42:36,467 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=128, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=54, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=168, PETRI_PLACES=65, PETRI_TRANSITIONS=54} [2021-04-28 15:42:36,467 INFO L343 CegarLoopForPetriNet]: 95 programPoint places, -30 predicate places. [2021-04-28 15:42:36,468 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 15:42:36,468 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 65 places, 54 transitions, 168 flow [2021-04-28 15:42:36,468 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 65 places, 54 transitions, 168 flow [2021-04-28 15:42:36,469 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 65 places, 54 transitions, 168 flow [2021-04-28 15:42:36,700 INFO L129 PetriNetUnfolder]: 513/2589 cut-off events. [2021-04-28 15:42:36,700 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-04-28 15:42:36,706 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3887 conditions, 2589 events. 513/2589 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 222. Compared 28436 event pairs, 513 based on Foata normal form. 0/1290 useless extension candidates. Maximal degree in co-relation 3866. Up to 769 conditions per place. [2021-04-28 15:42:36,735 INFO L146 LiptonReduction]: Number of co-enabled transitions 824 [2021-04-28 15:42:38,492 INFO L158 LiptonReduction]: Checked pairs total: 326 [2021-04-28 15:42:38,492 INFO L160 LiptonReduction]: Total number of compositions: 34 [2021-04-28 15:42:38,492 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2024 [2021-04-28 15:42:38,495 INFO L480 AbstractCegarLoop]: Abstraction has has 66 places, 55 transitions, 170 flow [2021-04-28 15:42:38,496 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 86.0) internal successors, (258), 3 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 15:42:38,496 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 15:42:38,496 INFO L263 CegarLoopForPetriNet]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1] [2021-04-28 15:42:38,496 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-04-28 15:42:38,496 INFO L428 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 15:42:38,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 15:42:38,497 INFO L82 PathProgramCache]: Analyzing trace with hash 2011145236, now seen corresponding path program 1 times [2021-04-28 15:42:38,497 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 15:42:38,497 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845967586] [2021-04-28 15:42:38,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 15:42:38,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 15:42:38,534 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 15:42:38,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 15:42:38,547 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 15:42:38,553 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-04-28 15:42:38,553 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-04-28 15:42:38,554 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-04-28 15:42:38,554 WARN L342 ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis [2021-04-28 15:42:38,554 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances. [2021-04-28 15:42:38,562 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,563 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,563 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,563 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,563 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,563 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,563 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,563 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,564 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,564 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,564 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,564 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,564 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,564 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,564 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,565 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,565 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,565 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,565 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,565 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,565 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,565 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,566 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,566 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,566 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,566 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,566 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,566 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,566 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,566 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,567 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,567 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,567 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,567 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,567 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,567 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,568 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,568 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,568 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,568 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,568 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,569 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,569 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,569 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,569 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,569 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,569 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,569 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,569 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,570 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,570 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,570 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,570 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,570 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,570 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,571 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,571 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,571 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,571 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,571 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,571 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,572 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,572 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,572 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,572 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,572 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,572 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,572 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,572 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,573 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,573 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,573 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,573 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,573 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,574 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,574 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,574 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,574 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,574 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,574 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,575 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,575 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,575 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,575 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,575 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,575 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,576 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,576 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,576 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,576 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,576 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,576 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,577 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,577 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,577 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,577 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,577 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,578 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,578 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,578 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,578 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,578 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,579 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,579 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,579 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,579 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,580 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,580 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,581 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,581 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,581 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,581 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,582 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,582 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,582 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,583 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,583 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,583 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,584 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,584 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,584 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,584 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,584 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,584 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,585 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,586 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,586 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,586 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,586 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,586 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:42:38,587 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-28 15:42:38,587 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-04-28 15:42:38,589 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-28 15:42:38,589 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-28 15:42:38,589 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-28 15:42:38,589 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-28 15:42:38,589 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-28 15:42:38,589 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-28 15:42:38,589 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-28 15:42:38,590 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-28 15:42:38,591 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 92 places, 87 transitions, 219 flow [2021-04-28 15:42:38,601 INFO L129 PetriNetUnfolder]: 11/131 cut-off events. [2021-04-28 15:42:38,602 INFO L130 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2021-04-28 15:42:38,603 INFO L84 FinitePrefix]: Finished finitePrefix Result has 162 conditions, 131 events. 11/131 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 341 event pairs, 0 based on Foata normal form. 0/109 useless extension candidates. Maximal degree in co-relation 122. Up to 12 conditions per place. [2021-04-28 15:42:38,603 INFO L82 GeneralOperation]: Start removeDead. Operand has 92 places, 87 transitions, 219 flow [2021-04-28 15:42:38,604 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 92 places, 87 transitions, 219 flow [2021-04-28 15:42:38,604 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 15:42:38,604 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 92 places, 87 transitions, 219 flow [2021-04-28 15:42:38,605 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 92 places, 87 transitions, 219 flow [2021-04-28 15:42:38,605 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 92 places, 87 transitions, 219 flow [2021-04-28 15:42:38,616 INFO L129 PetriNetUnfolder]: 11/131 cut-off events. [2021-04-28 15:42:38,616 INFO L130 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2021-04-28 15:42:38,617 INFO L84 FinitePrefix]: Finished finitePrefix Result has 162 conditions, 131 events. 11/131 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 363 event pairs, 0 based on Foata normal form. 0/109 useless extension candidates. Maximal degree in co-relation 122. Up to 12 conditions per place. [2021-04-28 15:42:38,620 INFO L146 LiptonReduction]: Number of co-enabled transitions 4320 [2021-04-28 15:42:41,739 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2021-04-28 15:42:43,624 INFO L158 LiptonReduction]: Checked pairs total: 35846 [2021-04-28 15:42:43,624 INFO L160 LiptonReduction]: Total number of compositions: 101 [2021-04-28 15:42:43,625 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5020 [2021-04-28 15:42:43,631 INFO L129 PetriNetUnfolder]: 0/49 cut-off events. [2021-04-28 15:42:43,631 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-04-28 15:42:43,631 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 15:42:43,631 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-04-28 15:42:43,632 INFO L428 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 15:42:43,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 15:42:43,632 INFO L82 PathProgramCache]: Analyzing trace with hash -986860485, now seen corresponding path program 1 times [2021-04-28 15:42:43,632 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 15:42:43,633 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280126616] [2021-04-28 15:42:43,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 15:42:43,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 15:42:43,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:42:43,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:42:43,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:42:43,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-28 15:42:43,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 15:42:43,655 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280126616] [2021-04-28 15:42:43,655 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 15:42:43,655 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 15:42:43,655 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035658129] [2021-04-28 15:42:43,656 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 15:42:43,656 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 15:42:43,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 15:42:43,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 15:42:43,657 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 88 out of 188 [2021-04-28 15:42:43,658 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 114 places, 105 transitions, 255 flow. Second operand has 3 states, 3 states have (on average 89.33333333333333) internal successors, (268), 3 states have internal predecessors, (268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 15:42:43,658 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 15:42:43,658 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 88 of 188 [2021-04-28 15:42:43,659 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 15:43:24,210 INFO L129 PetriNetUnfolder]: 177178/282716 cut-off events. [2021-04-28 15:43:24,210 INFO L130 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2021-04-28 15:43:25,468 INFO L84 FinitePrefix]: Finished finitePrefix Result has 527791 conditions, 282716 events. 177178/282716 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 18742. Compared 3035698 event pairs, 71156 based on Foata normal form. 104744/245070 useless extension candidates. Maximal degree in co-relation 527715. Up to 129599 conditions per place. [2021-04-28 15:43:27,268 INFO L132 encePairwiseOnDemand]: 149/188 looper letters, 42 selfloop transitions, 21 changer transitions 13/116 dead transitions. [2021-04-28 15:43:27,268 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 116 transitions, 411 flow [2021-04-28 15:43:27,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 15:43:27,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 15:43:27,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 347 transitions. [2021-04-28 15:43:27,270 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6152482269503546 [2021-04-28 15:43:27,270 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 347 transitions. [2021-04-28 15:43:27,270 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 347 transitions. [2021-04-28 15:43:27,271 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 15:43:27,271 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 347 transitions. [2021-04-28 15:43:27,273 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 115.66666666666667) internal successors, (347), 3 states have internal predecessors, (347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 15:43:27,275 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 15:43:27,276 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 15:43:27,276 INFO L185 Difference]: Start difference. First operand has 114 places, 105 transitions, 255 flow. Second operand 3 states and 347 transitions. [2021-04-28 15:43:27,276 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 116 transitions, 411 flow [2021-04-28 15:43:27,277 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 116 transitions, 391 flow, removed 10 selfloop flow, removed 0 redundant places. [2021-04-28 15:43:27,280 INFO L241 Difference]: Finished difference. Result has 106 places, 98 transitions, 369 flow [2021-04-28 15:43:27,280 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=207, PETRI_DIFFERENCE_MINUEND_PLACES=102, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=369, PETRI_PLACES=106, PETRI_TRANSITIONS=98} [2021-04-28 15:43:27,280 INFO L343 CegarLoopForPetriNet]: 114 programPoint places, -8 predicate places. [2021-04-28 15:43:27,280 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 15:43:27,281 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 106 places, 98 transitions, 369 flow [2021-04-28 15:43:27,281 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 106 places, 98 transitions, 369 flow [2021-04-28 15:43:27,282 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 93 places, 98 transitions, 369 flow [2021-04-28 15:43:44,122 INFO L129 PetriNetUnfolder]: 84454/151875 cut-off events. [2021-04-28 15:43:44,122 INFO L130 PetriNetUnfolder]: For 15125/24017 co-relation queries the response was YES. [2021-04-28 15:43:44,750 INFO L84 FinitePrefix]: Finished finitePrefix Result has 322452 conditions, 151875 events. 84454/151875 cut-off events. For 15125/24017 co-relation queries the response was YES. Maximal size of possible extension queue 11329. Compared 1812881 event pairs, 33577 based on Foata normal form. 0/76510 useless extension candidates. Maximal degree in co-relation 322427. Up to 68175 conditions per place. [2021-04-28 15:43:46,698 INFO L146 LiptonReduction]: Number of co-enabled transitions 5094 [2021-04-28 15:43:47,079 INFO L158 LiptonReduction]: Checked pairs total: 7660 [2021-04-28 15:43:47,080 INFO L160 LiptonReduction]: Total number of compositions: 4 [2021-04-28 15:43:47,080 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 19800 [2021-04-28 15:43:47,081 INFO L480 AbstractCegarLoop]: Abstraction has has 93 places, 98 transitions, 369 flow [2021-04-28 15:43:47,082 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 89.33333333333333) internal successors, (268), 3 states have internal predecessors, (268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 15:43:47,082 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 15:43:47,082 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 15:43:47,082 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-04-28 15:43:47,082 INFO L428 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 15:43:47,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 15:43:47,083 INFO L82 PathProgramCache]: Analyzing trace with hash -1983770722, now seen corresponding path program 1 times [2021-04-28 15:43:47,083 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 15:43:47,083 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193425563] [2021-04-28 15:43:47,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 15:43:47,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 15:43:47,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:43:47,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:43:47,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:43:47,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 15:43:47,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:43:47,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:43:47,111 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 15:43:47,111 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [193425563] [2021-04-28 15:43:47,111 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 15:43:47,111 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 15:43:47,111 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523047493] [2021-04-28 15:43:47,112 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 15:43:47,112 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 15:43:47,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 15:43:47,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 15:43:47,113 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 98 out of 192 [2021-04-28 15:43:47,114 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 98 transitions, 369 flow. Second operand has 3 states, 3 states have (on average 99.0) internal successors, (297), 3 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 15:43:47,114 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 15:43:47,114 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 98 of 192 [2021-04-28 15:43:47,114 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 15:43:48,504 INFO L129 PetriNetUnfolder]: 2817/12835 cut-off events. [2021-04-28 15:43:48,505 INFO L130 PetriNetUnfolder]: For 1284/1284 co-relation queries the response was YES. [2021-04-28 15:43:48,539 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29502 conditions, 12835 events. 2817/12835 cut-off events. For 1284/1284 co-relation queries the response was YES. Maximal size of possible extension queue 1080. Compared 178975 event pairs, 2817 based on Foata normal form. 2532/8937 useless extension candidates. Maximal degree in co-relation 29475. Up to 3842 conditions per place. [2021-04-28 15:43:48,565 INFO L132 encePairwiseOnDemand]: 172/192 looper letters, 1 selfloop transitions, 25 changer transitions 0/66 dead transitions. [2021-04-28 15:43:48,565 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 66 transitions, 293 flow [2021-04-28 15:43:48,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 15:43:48,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 15:43:48,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 320 transitions. [2021-04-28 15:43:48,567 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5555555555555556 [2021-04-28 15:43:48,568 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 320 transitions. [2021-04-28 15:43:48,568 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 320 transitions. [2021-04-28 15:43:48,568 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 15:43:48,568 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 320 transitions. [2021-04-28 15:43:48,569 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 106.66666666666667) internal successors, (320), 3 states have internal predecessors, (320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 15:43:48,571 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 192.0) internal successors, (768), 4 states have internal predecessors, (768), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 15:43:48,572 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 192.0) internal successors, (768), 4 states have internal predecessors, (768), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 15:43:48,572 INFO L185 Difference]: Start difference. First operand has 93 places, 98 transitions, 369 flow. Second operand 3 states and 320 transitions. [2021-04-28 15:43:48,572 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 66 transitions, 293 flow [2021-04-28 15:43:48,604 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 66 transitions, 209 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-04-28 15:43:48,606 INFO L241 Difference]: Finished difference. Result has 79 places, 66 transitions, 207 flow [2021-04-28 15:43:48,606 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=192, PETRI_DIFFERENCE_MINUEND_FLOW=157, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=207, PETRI_PLACES=79, PETRI_TRANSITIONS=66} [2021-04-28 15:43:48,606 INFO L343 CegarLoopForPetriNet]: 114 programPoint places, -35 predicate places. [2021-04-28 15:43:48,606 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 15:43:48,607 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 66 transitions, 207 flow [2021-04-28 15:43:48,607 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 79 places, 66 transitions, 207 flow [2021-04-28 15:43:48,608 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 79 places, 66 transitions, 207 flow [2021-04-28 15:43:49,539 INFO L129 PetriNetUnfolder]: 2817/12835 cut-off events. [2021-04-28 15:43:49,539 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-04-28 15:43:49,558 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19257 conditions, 12835 events. 2817/12835 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 1026. Compared 181048 event pairs, 2817 based on Foata normal form. 0/6405 useless extension candidates. Maximal degree in co-relation 19235. Up to 3841 conditions per place. [2021-04-28 15:43:49,629 INFO L146 LiptonReduction]: Number of co-enabled transitions 1190 [2021-04-28 15:43:53,395 INFO L158 LiptonReduction]: Checked pairs total: 520 [2021-04-28 15:43:53,395 INFO L160 LiptonReduction]: Total number of compositions: 47 [2021-04-28 15:43:53,395 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4789 [2021-04-28 15:43:53,397 INFO L480 AbstractCegarLoop]: Abstraction has has 83 places, 70 transitions, 215 flow [2021-04-28 15:43:53,397 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 99.0) internal successors, (297), 3 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 15:43:53,397 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 15:43:53,398 INFO L263 CegarLoopForPetriNet]: trace histogram [5, 5, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 15:43:53,398 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-04-28 15:43:53,398 INFO L428 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 15:43:53,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 15:43:53,399 INFO L82 PathProgramCache]: Analyzing trace with hash 1526505583, now seen corresponding path program 1 times [2021-04-28 15:43:53,399 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 15:43:53,399 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48782966] [2021-04-28 15:43:53,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 15:43:53,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 15:43:53,410 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 15:43:53,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 15:43:53,419 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 15:43:53,427 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-04-28 15:43:53,428 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-04-28 15:43:53,428 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-04-28 15:43:53,428 WARN L342 ceAbstractionStarter]: 5 thread instances were not sufficient, I will increase this number and restart the analysis [2021-04-28 15:43:53,429 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 6 thread instances. [2021-04-28 15:43:53,438 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,438 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,438 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,439 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,439 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,439 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,439 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,439 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,439 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,439 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,439 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,440 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,440 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,440 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,440 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,440 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,440 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,441 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,441 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,441 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,441 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,441 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,441 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,441 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,441 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,442 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,442 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,442 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,442 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,442 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,442 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,442 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,443 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,443 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,443 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,443 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,443 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,443 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,443 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,444 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,444 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,444 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,444 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,444 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,444 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,444 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,445 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,445 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,445 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,445 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,445 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,445 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,445 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,446 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,446 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,446 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,446 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,446 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,446 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,446 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,447 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,447 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,447 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,447 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,447 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,447 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,447 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,447 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,447 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,448 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,448 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,448 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,448 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,448 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,448 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,448 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,449 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,449 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,449 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,449 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,449 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,449 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,450 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,450 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,450 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,450 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,450 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,450 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,450 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,450 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,450 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,451 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,451 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,451 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,451 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,451 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,452 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,452 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,452 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,452 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,452 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,452 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,453 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,453 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,453 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,453 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,453 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,453 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,453 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,453 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,454 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,454 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,454 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,454 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,454 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,454 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,454 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,454 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,455 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,455 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,455 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,455 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,455 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,455 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,456 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,456 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,457 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,457 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,457 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,457 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,457 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,458 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,459 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,459 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,459 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,459 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,459 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,459 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,460 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,460 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,460 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,461 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,461 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,461 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,462 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,462 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,462 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,462 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,462 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,463 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,463 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,464 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,464 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,464 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,464 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,464 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 15:43:53,465 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-28 15:43:53,465 INFO L253 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2021-04-28 15:43:53,467 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-28 15:43:53,467 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-28 15:43:53,467 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-28 15:43:53,467 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-28 15:43:53,467 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-28 15:43:53,467 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-28 15:43:53,467 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-28 15:43:53,467 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-28 15:43:53,469 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 106 places, 100 transitions, 260 flow [2021-04-28 15:43:53,482 INFO L129 PetriNetUnfolder]: 13/153 cut-off events. [2021-04-28 15:43:53,482 INFO L130 PetriNetUnfolder]: For 50/50 co-relation queries the response was YES. [2021-04-28 15:43:53,483 INFO L84 FinitePrefix]: Finished finitePrefix Result has 193 conditions, 153 events. 13/153 cut-off events. For 50/50 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 426 event pairs, 0 based on Foata normal form. 0/127 useless extension candidates. Maximal degree in co-relation 151. Up to 14 conditions per place. [2021-04-28 15:43:53,483 INFO L82 GeneralOperation]: Start removeDead. Operand has 106 places, 100 transitions, 260 flow [2021-04-28 15:43:53,484 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 106 places, 100 transitions, 260 flow [2021-04-28 15:43:53,484 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 15:43:53,485 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 106 places, 100 transitions, 260 flow [2021-04-28 15:43:53,485 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 106 places, 100 transitions, 260 flow [2021-04-28 15:43:53,485 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 106 places, 100 transitions, 260 flow [2021-04-28 15:43:53,498 INFO L129 PetriNetUnfolder]: 13/153 cut-off events. [2021-04-28 15:43:53,499 INFO L130 PetriNetUnfolder]: For 50/50 co-relation queries the response was YES. [2021-04-28 15:43:53,500 INFO L84 FinitePrefix]: Finished finitePrefix Result has 193 conditions, 153 events. 13/153 cut-off events. For 50/50 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 425 event pairs, 0 based on Foata normal form. 0/127 useless extension candidates. Maximal degree in co-relation 151. Up to 14 conditions per place. [2021-04-28 15:43:53,504 INFO L146 LiptonReduction]: Number of co-enabled transitions 6120 [2021-04-28 15:43:59,329 INFO L158 LiptonReduction]: Checked pairs total: 52195 [2021-04-28 15:43:59,329 INFO L160 LiptonReduction]: Total number of compositions: 115 [2021-04-28 15:43:59,330 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5846 [2021-04-28 15:43:59,334 INFO L129 PetriNetUnfolder]: 0/46 cut-off events. [2021-04-28 15:43:59,334 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-04-28 15:43:59,334 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 15:43:59,334 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-04-28 15:43:59,334 INFO L428 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 15:43:59,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 15:43:59,335 INFO L82 PathProgramCache]: Analyzing trace with hash -2115885627, now seen corresponding path program 1 times [2021-04-28 15:43:59,335 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 15:43:59,335 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086642722] [2021-04-28 15:43:59,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 15:43:59,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 15:43:59,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:43:59,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 15:43:59,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 15:43:59,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-28 15:43:59,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 15:43:59,359 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086642722] [2021-04-28 15:43:59,359 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 15:43:59,359 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 15:43:59,359 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094177000] [2021-04-28 15:43:59,360 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 15:43:59,360 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 15:43:59,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 15:43:59,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 15:43:59,361 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 97 out of 215 [2021-04-28 15:43:59,362 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 132 places, 122 transitions, 304 flow. Second operand has 3 states, 3 states have (on average 98.33333333333333) internal successors, (295), 3 states have internal predecessors, (295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 15:43:59,362 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 15:43:59,362 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 97 of 215 [2021-04-28 15:43:59,362 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown [2021-04-28 15:52:04,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 15:52:04,180 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-04-28 15:52:04,180 WARN L545 AbstractCegarLoop]: Verification canceled [2021-04-28 15:52:04,184 WARN L224 ceAbstractionStarter]: Timeout [2021-04-28 15:52:04,184 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.04 03:52:04 BasicIcfg [2021-04-28 15:52:04,184 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-04-28 15:52:04,186 INFO L168 Benchmark]: Toolchain (without parser) took 594216.19 ms. Allocated memory was 302.0 MB in the beginning and 15.5 GB in the end (delta: 15.2 GB). Free memory was 277.3 MB in the beginning and 6.3 GB in the end (delta: -6.0 GB). Peak memory consumption was 9.4 GB. Max. memory is 16.0 GB. [2021-04-28 15:52:04,186 INFO L168 Benchmark]: CDTParser took 0.94 ms. Allocated memory is still 302.0 MB. Free memory was 271.7 MB in the beginning and 271.6 MB in the end (delta: 153.8 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-04-28 15:52:04,187 INFO L168 Benchmark]: CACSL2BoogieTranslator took 602.37 ms. Allocated memory is still 302.0 MB. Free memory was 274.3 MB in the beginning and 245.7 MB in the end (delta: 28.7 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.0 GB. [2021-04-28 15:52:04,187 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.55 ms. Allocated memory is still 302.0 MB. Free memory was 245.7 MB in the beginning and 243.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-28 15:52:04,188 INFO L168 Benchmark]: Boogie Preprocessor took 51.31 ms. Allocated memory is still 302.0 MB. Free memory was 243.8 MB in the beginning and 284.8 MB in the end (delta: -41.0 MB). Peak memory consumption was 6.4 MB. Max. memory is 16.0 GB. [2021-04-28 15:52:04,188 INFO L168 Benchmark]: RCFGBuilder took 794.45 ms. Allocated memory is still 302.0 MB. Free memory was 284.8 MB in the beginning and 260.6 MB in the end (delta: 24.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. [2021-04-28 15:52:04,189 INFO L168 Benchmark]: TraceAbstraction took 592656.21 ms. Allocated memory was 302.0 MB in the beginning and 15.5 GB in the end (delta: 15.2 GB). Free memory was 260.6 MB in the beginning and 6.3 GB in the end (delta: -6.0 GB). Peak memory consumption was 9.4 GB. Max. memory is 16.0 GB. [2021-04-28 15:52:04,192 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.94 ms. Allocated memory is still 302.0 MB. Free memory was 271.7 MB in the beginning and 271.6 MB in the end (delta: 153.8 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 602.37 ms. Allocated memory is still 302.0 MB. Free memory was 274.3 MB in the beginning and 245.7 MB in the end (delta: 28.7 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 51.55 ms. Allocated memory is still 302.0 MB. Free memory was 245.7 MB in the beginning and 243.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 51.31 ms. Allocated memory is still 302.0 MB. Free memory was 243.8 MB in the beginning and 284.8 MB in the end (delta: -41.0 MB). Peak memory consumption was 6.4 MB. Max. memory is 16.0 GB. * RCFGBuilder took 794.45 ms. Allocated memory is still 302.0 MB. Free memory was 284.8 MB in the beginning and 260.6 MB in the end (delta: 24.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 592656.21 ms. Allocated memory was 302.0 MB in the beginning and 15.5 GB in the end (delta: 15.2 GB). Free memory was 260.6 MB in the beginning and 6.3 GB in the end (delta: -6.0 GB). Peak memory consumption was 9.4 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4356.5ms, 36 PlacesBefore, 42 PlacesAfterwards, 35 TransitionsBefore, 40 TransitionsAfterwards, 240 CoEnabledTransitionPairs, 6 FixpointIterations, 24 TrivialSequentialCompositions, 33 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 1 ChoiceCompositions, 58 TotalNumberOfCompositions, 376 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 376, positive: 376, positive conditional: 376, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 167, positive: 167, positive conditional: 0, positive unconditional: 167, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 167, positive: 167, positive conditional: 0, positive unconditional: 167, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 167, positive: 167, positive conditional: 0, positive unconditional: 167, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 376, positive: 209, positive conditional: 209, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 167, unknown conditional: 167, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 163, Positive cache size: 163, Positive conditional cache size: 163, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 526.4ms, 34 PlacesBefore, 19 PlacesAfterwards, 16 TransitionsBefore, 16 TransitionsAfterwards, 66 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 3 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 9 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 9, positive: 9, positive conditional: 9, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 9, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 3, unknown conditional: 3, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 166, Positive cache size: 166, Positive conditional cache size: 166, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2959.4ms, 50 PlacesBefore, 61 PlacesAfterwards, 48 TransitionsBefore, 58 TransitionsAfterwards, 792 CoEnabledTransitionPairs, 6 FixpointIterations, 24 TrivialSequentialCompositions, 36 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 1 ChoiceCompositions, 63 TotalNumberOfCompositions, 5390 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2454, positive: 2280, positive conditional: 2280, positive unconditional: 0, negative: 174, negative conditional: 174, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1035, positive: 1016, positive conditional: 0, positive unconditional: 1016, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1035, positive: 1016, positive conditional: 0, positive unconditional: 1016, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1035, positive: 905, positive conditional: 0, positive unconditional: 905, negative: 130, negative conditional: 0, negative unconditional: 130, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 130, positive: 111, positive conditional: 0, positive unconditional: 111, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 204, positive: 152, positive conditional: 0, positive unconditional: 152, negative: 52, negative conditional: 0, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2454, positive: 1264, positive conditional: 1264, positive unconditional: 0, negative: 155, negative conditional: 155, negative unconditional: 0, unknown: 1035, unknown conditional: 1035, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1010, Positive cache size: 991, Positive conditional cache size: 991, Positive unconditional cache size: 0, Negative cache size: 19, Negative conditional cache size: 19, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 314.2ms, 55 PlacesBefore, 43 PlacesAfterwards, 42 TransitionsBefore, 42 TransitionsAfterwards, 604 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 4 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 4 TotalNumberOfCompositions, 670 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 390, positive: 356, positive conditional: 356, positive unconditional: 0, negative: 34, negative conditional: 34, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 120, positive: 112, positive conditional: 14, positive unconditional: 98, negative: 8, negative conditional: 2, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 120, positive: 112, positive conditional: 14, positive unconditional: 98, negative: 8, negative conditional: 2, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 120, positive: 103, positive conditional: 0, positive unconditional: 103, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 17, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 8, negative conditional: 2, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 59, positive: 25, positive conditional: 0, positive unconditional: 25, negative: 33, negative conditional: 5, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 390, positive: 244, positive conditional: 244, positive unconditional: 0, negative: 26, negative conditional: 26, negative unconditional: 0, unknown: 120, unknown conditional: 120, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1130, Positive cache size: 1103, Positive conditional cache size: 1103, 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: 3838.5ms, 64 PlacesBefore, 78 PlacesAfterwards, 61 TransitionsBefore, 74 TransitionsAfterwards, 1656 CoEnabledTransitionPairs, 6 FixpointIterations, 28 TrivialSequentialCompositions, 47 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 1 ChoiceCompositions, 78 TotalNumberOfCompositions, 11614 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3437, positive: 3186, positive conditional: 3186, positive unconditional: 0, negative: 251, negative conditional: 251, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1780, positive: 1745, positive conditional: 0, positive unconditional: 1745, negative: 35, negative conditional: 0, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1780, positive: 1745, positive conditional: 0, positive unconditional: 1745, negative: 35, negative conditional: 0, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1780, positive: 1444, positive conditional: 0, positive unconditional: 1444, negative: 336, negative conditional: 0, negative unconditional: 336, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 336, positive: 301, positive conditional: 0, positive unconditional: 301, negative: 35, negative conditional: 0, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 414, positive: 296, positive conditional: 0, positive unconditional: 296, negative: 118, negative conditional: 0, negative unconditional: 118, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3437, positive: 1441, positive conditional: 1441, positive unconditional: 0, negative: 216, negative conditional: 216, negative unconditional: 0, unknown: 1780, unknown conditional: 1780, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1750, Positive cache size: 1715, Positive conditional cache size: 1715, Positive unconditional cache size: 0, Negative cache size: 35, Negative conditional cache size: 35, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 518.3ms, 72 PlacesBefore, 59 PlacesAfterwards, 60 TransitionsBefore, 60 TransitionsAfterwards, 1734 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 4 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 4 TotalNumberOfCompositions, 2400 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 654, positive: 598, positive conditional: 598, positive unconditional: 0, negative: 56, negative conditional: 56, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 212, positive: 200, positive conditional: 19, positive unconditional: 181, negative: 12, negative conditional: 1, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 212, positive: 200, positive conditional: 19, positive unconditional: 181, negative: 12, negative conditional: 1, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 212, positive: 196, positive conditional: 0, positive unconditional: 196, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 16, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 12, negative conditional: 1, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 60, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 49, negative conditional: 3, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 654, positive: 398, positive conditional: 398, positive unconditional: 0, negative: 44, negative conditional: 44, negative unconditional: 0, unknown: 212, unknown conditional: 212, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1962, Positive cache size: 1915, Positive conditional cache size: 1915, Positive unconditional cache size: 0, Negative cache size: 47, Negative conditional cache size: 47, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4296.1ms, 78 PlacesBefore, 95 PlacesAfterwards, 74 TransitionsBefore, 90 TransitionsAfterwards, 2832 CoEnabledTransitionPairs, 6 FixpointIterations, 28 TrivialSequentialCompositions, 55 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 1 ChoiceCompositions, 86 TotalNumberOfCompositions, 20410 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 5227, positive: 4898, positive conditional: 4898, positive unconditional: 0, negative: 329, negative conditional: 329, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3024, positive: 2956, positive conditional: 0, positive unconditional: 2956, negative: 68, negative conditional: 0, negative unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3024, positive: 2956, positive conditional: 0, positive unconditional: 2956, negative: 68, negative conditional: 0, negative unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3024, positive: 2461, positive conditional: 0, positive unconditional: 2461, negative: 563, negative conditional: 0, negative unconditional: 563, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 563, positive: 495, positive conditional: 0, positive unconditional: 495, negative: 68, negative conditional: 0, negative unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 626, positive: 468, positive conditional: 0, positive unconditional: 468, negative: 158, negative conditional: 0, negative unconditional: 158, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5227, positive: 1942, positive conditional: 1942, positive unconditional: 0, negative: 261, negative conditional: 261, negative unconditional: 0, unknown: 3024, unknown conditional: 3024, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2980, Positive cache size: 2912, Positive conditional cache size: 2912, Positive unconditional cache size: 0, Negative cache size: 68, Negative conditional cache size: 68, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2065.0ms, 88 PlacesBefore, 75 PlacesAfterwards, 78 TransitionsBefore, 78 TransitionsAfterwards, 3140 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 4 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 4 TotalNumberOfCompositions, 4600 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 826, positive: 750, positive conditional: 750, 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: 408, positive: 393, positive conditional: 42, positive unconditional: 351, negative: 15, negative conditional: 3, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 408, positive: 393, positive conditional: 42, positive unconditional: 351, negative: 15, negative conditional: 3, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 408, positive: 354, positive conditional: 0, positive unconditional: 354, negative: 54, negative conditional: 0, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 54, positive: 39, positive conditional: 0, positive unconditional: 39, negative: 15, negative conditional: 3, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 157, positive: 103, positive conditional: 0, positive unconditional: 103, negative: 54, negative conditional: 7, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 826, positive: 357, positive conditional: 357, positive unconditional: 0, negative: 61, negative conditional: 61, negative unconditional: 0, unknown: 408, unknown conditional: 408, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3388, Positive cache size: 3305, Positive conditional cache size: 3305, Positive unconditional cache size: 0, Negative cache size: 83, Negative conditional cache size: 83, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2023.9ms, 65 PlacesBefore, 66 PlacesAfterwards, 54 TransitionsBefore, 55 TransitionsAfterwards, 824 CoEnabledTransitionPairs, 4 FixpointIterations, 0 TrivialSequentialCompositions, 34 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 34 TotalNumberOfCompositions, 326 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 326, positive: 326, positive conditional: 326, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 96, positive: 96, positive conditional: 0, positive unconditional: 96, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 96, positive: 96, positive conditional: 0, positive unconditional: 96, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 96, positive: 96, positive conditional: 0, positive unconditional: 96, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 326, positive: 230, positive conditional: 230, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 96, unknown conditional: 96, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3484, Positive cache size: 3401, Positive conditional cache size: 3401, Positive unconditional cache size: 0, Negative cache size: 83, Negative conditional cache size: 83, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5019.4ms, 92 PlacesBefore, 114 PlacesAfterwards, 87 TransitionsBefore, 105 TransitionsAfterwards, 4320 CoEnabledTransitionPairs, 6 FixpointIterations, 28 TrivialSequentialCompositions, 67 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 4 ChoiceCompositions, 101 TotalNumberOfCompositions, 35846 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 8499, positive: 8022, positive conditional: 8022, positive unconditional: 0, negative: 477, negative conditional: 477, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4668, positive: 4558, positive conditional: 0, positive unconditional: 4558, negative: 110, negative conditional: 0, negative unconditional: 110, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4668, positive: 4558, positive conditional: 0, positive unconditional: 4558, negative: 110, negative conditional: 0, negative unconditional: 110, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4668, positive: 3774, positive conditional: 0, positive unconditional: 3774, negative: 894, negative conditional: 0, negative unconditional: 894, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 894, positive: 784, positive conditional: 0, positive unconditional: 784, negative: 110, negative conditional: 0, negative unconditional: 110, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1000, positive: 743, positive conditional: 0, positive unconditional: 743, negative: 257, negative conditional: 0, negative unconditional: 257, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 8499, positive: 3464, positive conditional: 3464, positive unconditional: 0, negative: 367, negative conditional: 367, negative unconditional: 0, unknown: 4668, unknown conditional: 4668, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 4454, Positive cache size: 4351, Positive conditional cache size: 4351, Positive unconditional cache size: 0, Negative cache size: 103, Negative conditional cache size: 103, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 19798.6ms, 106 PlacesBefore, 93 PlacesAfterwards, 98 TransitionsBefore, 98 TransitionsAfterwards, 5094 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 4 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 4 TotalNumberOfCompositions, 7660 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 933, positive: 837, positive conditional: 837, positive unconditional: 0, negative: 96, negative conditional: 96, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 311, positive: 297, positive conditional: 16, positive unconditional: 281, negative: 14, negative conditional: 4, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 311, positive: 297, positive conditional: 16, positive unconditional: 281, negative: 14, negative conditional: 4, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 311, positive: 281, positive conditional: 0, positive unconditional: 281, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 30, positive: 16, positive conditional: 0, positive unconditional: 16, negative: 14, negative conditional: 4, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 69, positive: 35, positive conditional: 0, positive unconditional: 35, negative: 34, negative conditional: 7, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 933, positive: 540, positive conditional: 540, positive unconditional: 0, negative: 82, negative conditional: 82, negative unconditional: 0, unknown: 311, unknown conditional: 311, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 4765, Positive cache size: 4648, Positive conditional cache size: 4648, Positive unconditional cache size: 0, Negative cache size: 117, Negative conditional cache size: 117, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4788.2ms, 79 PlacesBefore, 83 PlacesAfterwards, 66 TransitionsBefore, 70 TransitionsAfterwards, 1190 CoEnabledTransitionPairs, 4 FixpointIterations, 0 TrivialSequentialCompositions, 47 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 47 TotalNumberOfCompositions, 520 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 520, positive: 520, positive conditional: 520, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 136, positive: 136, positive conditional: 0, positive unconditional: 136, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 136, positive: 136, positive conditional: 0, positive unconditional: 136, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 136, positive: 136, positive conditional: 0, positive unconditional: 136, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 520, positive: 384, positive conditional: 384, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 136, unknown conditional: 136, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 4901, Positive cache size: 4784, Positive conditional cache size: 4784, Positive unconditional cache size: 0, Negative cache size: 117, Negative conditional cache size: 117, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5844.4ms, 106 PlacesBefore, 132 PlacesAfterwards, 100 TransitionsBefore, 122 TransitionsAfterwards, 6120 CoEnabledTransitionPairs, 6 FixpointIterations, 28 TrivialSequentialCompositions, 80 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 3 ConcurrentYvCompositions, 4 ChoiceCompositions, 115 TotalNumberOfCompositions, 52195 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 13579, positive: 13011, positive conditional: 13011, positive unconditional: 0, negative: 568, negative conditional: 568, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7266, positive: 7142, positive conditional: 0, positive unconditional: 7142, negative: 124, negative conditional: 0, negative unconditional: 124, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 7266, positive: 7142, positive conditional: 0, positive unconditional: 7142, negative: 124, negative conditional: 0, negative unconditional: 124, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 7266, positive: 5746, positive conditional: 0, positive unconditional: 5746, negative: 1520, negative conditional: 0, negative unconditional: 1520, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1520, positive: 1396, positive conditional: 0, positive unconditional: 1396, negative: 124, negative conditional: 0, negative unconditional: 124, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1690, positive: 1401, positive conditional: 0, positive unconditional: 1401, negative: 288, negative conditional: 0, negative unconditional: 288, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 13579, positive: 5869, positive conditional: 5869, positive unconditional: 0, negative: 444, negative conditional: 444, negative unconditional: 0, unknown: 7266, unknown conditional: 7266, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 6976, Positive cache size: 6855, Positive conditional cache size: 6855, Positive unconditional cache size: 0, Negative cache size: 121, Negative conditional cache size: 121, Negative unconditional cache size: 0 - TimeoutResultAtElement [Line: 703]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable (line 703). Cancelled while CegarLoopForPetriNetWithRepeatedLiptonReduction was enhancing Floyd-Hoare automaton (3states, 97/215 universal loopers) in iteration 1,while PetriNetUnfolder was constructing finite prefix that currently has 2397876 conditions, 1229808 events (948708/1229807 cut-off events. For 50/50 co-relation queries the response was YES. Maximal size of possible extension queue 137336. Compared 10797280 event pairs, 365508 based on Foata normal form. 515542/1197536 useless extension candidates. Maximal degree in co-relation 2397786. Up to 724275 conditions per place.). - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 33 locations, 1 error locations. Started 6 CEGAR loops. EmptinessCheckTime: 37.8ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 592311.5ms, OverallIterations: 13, TraceHistogramMax: 5, EmptinessCheckTime: 0.0ms, AutomataDifference: 534727.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 26571.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 149 SDtfs, 20 SDslu, 0 SDs, 0 SdLazy, 169 SolverSat, 89 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 206.8ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 19.4ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=369occurred in iteration=1, InterpolantAutomatonStates: 20, 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: 29.3ms SsaConstructionTime, 201.3ms SatisfiabilityAnalysisTime, 240.9ms InterpolantComputationTime, 118 NumberOfCodeBlocks, 118 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 55 ConstructedInterpolants, 0 QuantifiedInterpolants, 89 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 4/4 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 could not prove your program: Timeout